summaryrefslogtreecommitdiff
path: root/posix
diff options
context:
space:
mode:
Diffstat (limited to 'posix')
-rw-r--r--posix/_exit.c36
-rw-r--r--posix/alarm.c39
-rw-r--r--posix/environ.c12
-rw-r--r--posix/execve.c44
-rw-r--r--posix/fexecve.c43
-rw-r--r--posix/fork.c36
-rw-r--r--posix/fpathconf.c62
-rw-r--r--posix/gai_strerror.c29
-rw-r--r--posix/getaddrinfo.c41
-rw-r--r--posix/getconf.c20
-rw-r--r--posix/getegid.c32
-rw-r--r--posix/geteuid.c33
-rw-r--r--posix/getgid.c33
-rw-r--r--posix/getgroups.c48
-rw-r--r--posix/getlogin.c33
-rw-r--r--posix/getlogin_r.c37
-rw-r--r--posix/getpgid.c33
-rw-r--r--posix/getpgrp.c27
-rw-r--r--posix/getpid.c34
-rw-r--r--posix/getppid.c33
-rw-r--r--posix/getresgid.c34
-rw-r--r--posix/getresuid.c34
-rw-r--r--posix/getsid.c32
-rw-r--r--posix/getuid.c33
-rw-r--r--posix/glob.c1558
-rw-r--r--posix/glob64.c54
-rw-r--r--posix/group_member.c50
-rw-r--r--posix/init-posix.c1
-rw-r--r--posix/nanosleep.c36
-rw-r--r--posix/pathconf.c41
-rw-r--r--posix/pause.c34
-rw-r--r--posix/posix_madvise.c32
-rw-r--r--posix/pread.c46
-rw-r--r--posix/pread64.c46
-rw-r--r--posix/pwrite.c46
-rw-r--r--posix/pwrite64.c47
-rw-r--r--posix/regex_internal.h8
-rw-r--r--posix/sched_getaffinity.c35
-rw-r--r--posix/sched_getp.c34
-rw-r--r--posix/sched_gets.c34
-rw-r--r--posix/sched_primax.c33
-rw-r--r--posix/sched_primin.c33
-rw-r--r--posix/sched_rr_gi.c34
-rw-r--r--posix/sched_setaffinity.c35
-rw-r--r--posix/sched_setp.c34
-rw-r--r--posix/sched_sets.c35
-rw-r--r--posix/sched_yield.c33
-rw-r--r--posix/setgid.c37
-rw-r--r--posix/setlogin.c32
-rw-r--r--posix/setpgid.c37
-rw-r--r--posix/setpgrp.c25
-rw-r--r--posix/setresgid.c35
-rw-r--r--posix/setresuid.c35
-rw-r--r--posix/setsid.c35
-rw-r--r--posix/setuid.c37
-rw-r--r--posix/sleep.c41
-rw-r--r--posix/spawni.c46
-rw-r--r--posix/sysconf.c273
-rw-r--r--posix/times.c43
-rw-r--r--posix/uname.c66
-rw-r--r--posix/unistd.h18
-rw-r--r--posix/vfork.c31
-rw-r--r--posix/wait.c33
-rw-r--r--posix/wait3.c43
-rw-r--r--posix/wait4.c33
-rw-r--r--posix/waitid.c35
-rw-r--r--posix/waitpid.c53
-rw-r--r--posix/wordexp.c2457
68 files changed, 6611 insertions, 11 deletions
diff --git a/posix/_exit.c b/posix/_exit.c
new file mode 100644
index 0000000000..673667df30
--- /dev/null
+++ b/posix/_exit.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991,94,95,96,97,99,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <unistd.h>
+#include <stdlib.h>
+
+/* The function `_exit' should take a status argument and simply
+ terminate program execution, using the low-order 8 bits of the
+ given integer as status. */
+void
+_exit (status)
+ int status;
+{
+ status &= 0xff;
+ abort ();
+}
+libc_hidden_def (_exit)
+weak_alias (_exit, _Exit)
+
+stub_warning (_exit)
+#include <stub-tag.h>
diff --git a/posix/alarm.c b/posix/alarm.c
new file mode 100644
index 0000000000..1f0cceb58e
--- /dev/null
+++ b/posix/alarm.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1991,95,96,97,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Schedule an alarm. In SECONDS seconds, the process will get a SIGALRM.
+ If SECONDS is zero, any currently scheduled alarm will be cancelled.
+ The function returns the number of seconds remaining until the last
+ alarm scheduled would have signaled, or zero if there wasn't one.
+ There is no return value to indicate an error, but you can set `errno'
+ to 0 and check its value after calling `alarm', and this might tell you.
+ The signal may come late due to processor scheduling. */
+unsigned int
+alarm (seconds)
+ unsigned int seconds;
+{
+ __set_errno (ENOSYS);
+ return 0;
+}
+libc_hidden_def (alarm)
+
+stub_warning (alarm)
+#include <stub-tag.h>
diff --git a/posix/environ.c b/posix/environ.c
new file mode 100644
index 0000000000..a0ed0d80ea
--- /dev/null
+++ b/posix/environ.c
@@ -0,0 +1,12 @@
+/* This file just defines the `__environ' variable (and alias `environ'). */
+
+#include <unistd.h>
+#include <stddef.h>
+
+/* This must be initialized; we cannot have a weak alias into bss. */
+char **__environ = NULL;
+weak_alias (__environ, environ)
+
+/* The SVR4 ABI says `_environ' will be the name to use
+ in case the user overrides the weak alias `environ'. */
+weak_alias (__environ, _environ)
diff --git a/posix/execve.c b/posix/execve.c
new file mode 100644
index 0000000000..2d756293ed
--- /dev/null
+++ b/posix/execve.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Replace the current process, executing PATH with arguments ARGV and
+ environment ENVP. ARGV and ENVP are terminated by NULL pointers. */
+int
+__execve (path, argv, envp)
+ const char *path;
+ char *const argv[];
+ char *const envp[];
+{
+ if (path == NULL || argv == NULL || envp == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (execve)
+
+weak_alias (__execve, execve)
+#include <stub-tag.h>
diff --git a/posix/fexecve.c b/posix/fexecve.c
new file mode 100644
index 0000000000..fceae9251a
--- /dev/null
+++ b/posix/fexecve.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Execute the file FD refers to, overlaying the running program image.
+ ARGV and ENVP are passed to the new program, as for `execve'. */
+int
+fexecve (fd, argv, envp)
+ int fd;
+ char *const argv[];
+ char *const envp[];
+{
+ if (fd < 0 || argv == NULL || envp == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (fexecve)
+#include <stub-tag.h>
diff --git a/posix/fork.c b/posix/fork.c
new file mode 100644
index 0000000000..c19fa656b3
--- /dev/null
+++ b/posix/fork.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+
+/* Clone the calling process, creating an exact copy.
+ Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+int
+__fork ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__fork)
+stub_warning (fork)
+
+weak_alias (__fork, fork)
+#include <stub-tag.h>
diff --git a/posix/fpathconf.c b/posix/fpathconf.c
new file mode 100644
index 0000000000..840460b04b
--- /dev/null
+++ b/posix/fpathconf.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Get file-specific information about descriptor FD. */
+long int
+__fpathconf (fd, name)
+ int fd;
+ int name;
+{
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ switch (name)
+ {
+ default:
+ __set_errno (EINVAL);
+ return -1;
+
+ case _PC_LINK_MAX:
+ case _PC_MAX_CANON:
+ case _PC_MAX_INPUT:
+ case _PC_NAME_MAX:
+ case _PC_PATH_MAX:
+ case _PC_PIPE_BUF:
+ case _PC_SOCK_MAXBUF:
+ case _PC_CHOWN_RESTRICTED:
+ case _PC_NO_TRUNC:
+ case _PC_VDISABLE:
+ break;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+weak_alias (__fpathconf, fpathconf)
+
+stub_warning (fpathconf)
+#include <stub-tag.h>
diff --git a/posix/gai_strerror.c b/posix/gai_strerror.c
new file mode 100644
index 0000000000..932c5910df
--- /dev/null
+++ b/posix/gai_strerror.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 1996,97,2001,02 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <netdb.h>
+
+const char *
+gai_strerror (int code)
+{
+ static char buffer[128];
+ snprintf (buffer, sizeof buffer, "Unknown error (%d)", code);
+ return buffer;
+}
+libc_hidden_def (gai_strerror)
diff --git a/posix/getaddrinfo.c b/posix/getaddrinfo.c
new file mode 100644
index 0000000000..548c0b863e
--- /dev/null
+++ b/posix/getaddrinfo.c
@@ -0,0 +1,41 @@
+/* Stub version of getaddrinfo function.
+ Copyright (C) 1996, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <netdb.h>
+
+int
+getaddrinfo (const char *name, const char *service, const struct addrinfo *req,
+ struct addrinfo **pai)
+{
+ __set_errno (ENOSYS);
+ return EAI_SYSTEM;
+}
+stub_warning (getaddrinfo)
+libc_hidden_def (getaddrinfo)
+
+void
+freeaddrinfo (struct addrinfo *ai)
+{
+ /* Nothing. */
+}
+stub_warning (freeaddrinfo)
+libc_hidden_def (freeaddrinfo)
+
+#include <stub-tag.h>
diff --git a/posix/getconf.c b/posix/getconf.c
index da8e538ad3..57c1d6a5d6 100644
--- a/posix/getconf.c
+++ b/posix/getconf.c
@@ -1,20 +1,18 @@
/* Copyright (C) 1991, 92, 1995-2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation.
- The GNU C Library is distributed in the hope that it will be useful,
+ This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <unistd.h>
#include <errno.h>
diff --git a/posix/getegid.c b/posix/getegid.c
new file mode 100644
index 0000000000..d939d6ad64
--- /dev/null
+++ b/posix/getegid.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Get the effective group ID of the calling process. */
+__gid_t
+__getegid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (getegid)
+
+weak_alias (__getegid, getegid)
+#include <stub-tag.h>
diff --git a/posix/geteuid.c b/posix/geteuid.c
new file mode 100644
index 0000000000..c67dbfd708
--- /dev/null
+++ b/posix/geteuid.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+
+/* Get the effective user ID of the calling process. */
+__uid_t
+__geteuid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (geteuid)
+
+weak_alias (__geteuid, geteuid)
+#include <stub-tag.h>
diff --git a/posix/getgid.c b/posix/getgid.c
new file mode 100644
index 0000000000..742c099fa2
--- /dev/null
+++ b/posix/getgid.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Get the real group ID of the calling process. */
+gid_t
+__getgid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (getgid)
+
+weak_alias (__getgid, getgid)
+#include <stub-tag.h>
diff --git a/posix/getgroups.c b/posix/getgroups.c
new file mode 100644
index 0000000000..d5868cc1b8
--- /dev/null
+++ b/posix/getgroups.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1991,1992,1995,1996,1997,2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <limits.h>
+
+
+/* If SIZE is zero, return the number of supplementary groups
+ the calling process is in. Otherwise, fill in the group IDs
+ of its supplementary groups in LIST and return the number written. */
+int
+__getgroups (size, list)
+ int size;
+ gid_t *list;
+{
+#if defined (NGROUPS_MAX) && NGROUPS_MAX == 0
+ /* The system has no supplementary groups. */
+ return 0;
+#endif
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+#if !(defined (NGROUPS_MAX) && NGROUPS_MAX == 0)
+stub_warning (getgroups);
+#endif
+
+weak_alias (__getgroups, getgroups)
+#include <stub-tag.h>
diff --git a/posix/getlogin.c b/posix/getlogin.c
new file mode 100644
index 0000000000..12b4283396
--- /dev/null
+++ b/posix/getlogin.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stddef.h>
+#include <errno.h>
+#include <unistd.h>
+
+/* Return the login name of the user, or NULL if it can't be determined.
+ The returned pointer, if not NULL, is good only until the next call. */
+char *
+getlogin (void)
+{
+ __set_errno (ENOSYS);
+ return NULL;
+}
+
+stub_warning (getlogin)
+#include <stub-tag.h>
diff --git a/posix/getlogin_r.c b/posix/getlogin_r.c
new file mode 100644
index 0000000000..f2470ee032
--- /dev/null
+++ b/posix/getlogin_r.c
@@ -0,0 +1,37 @@
+/* Reentrant function to return the current login name. Stub version.
+ Copyright (C) 1996, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Return at most NAME_LEN characters of the login name of the user in NAME.
+ If it cannot be determined or some other error occurred, return the error
+ code. Otherwise return 0. */
+int
+getlogin_r (name, name_len)
+ char *name;
+ size_t name_len;
+{
+ __set_errno (ENOSYS);
+ return errno;
+}
+libc_hidden_def (getlogin_r)
+
+stub_warning (getlogin_r)
+#include <stub-tag.h>
diff --git a/posix/getpgid.c b/posix/getpgid.c
new file mode 100644
index 0000000000..ad46771d2f
--- /dev/null
+++ b/posix/getpgid.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Get the process group ID of process PID. */
+pid_t
+__getpgid (pid)
+ pid_t pid;
+{
+ return pid;
+}
+libc_hidden_def (__getpgid)
+weak_alias (__getpgid, getpgid)
+
+stub_warning (getpgid)
+#include <stub-tag.h>
diff --git a/posix/getpgrp.c b/posix/getpgrp.c
new file mode 100644
index 0000000000..85efc2f215
--- /dev/null
+++ b/posix/getpgrp.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 1991, 1995, 1997, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Get the process group ID of the calling process. */
+pid_t
+getpgrp (void)
+{
+ return __getpgid (0);
+}
diff --git a/posix/getpid.c b/posix/getpid.c
new file mode 100644
index 0000000000..c1c91fede7
--- /dev/null
+++ b/posix/getpid.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Get the process ID of the calling process. */
+int
+__getpid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__getpid)
+stub_warning (getpid)
+
+weak_alias (__getpid, getpid)
+libc_hidden_weak (getpid)
+#include <stub-tag.h>
diff --git a/posix/getppid.c b/posix/getppid.c
new file mode 100644
index 0000000000..e00c237496
--- /dev/null
+++ b/posix/getppid.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+
+/* Get the parent process ID of the calling process. */
+int
+__getppid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (getppid)
+
+weak_alias (__getppid, getppid)
+#include <stub-tag.h>
diff --git a/posix/getresgid.c b/posix/getresgid.c
new file mode 100644
index 0000000000..d6a9b52957
--- /dev/null
+++ b/posix/getresgid.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Fetch the effective group ID, real group ID, and saved-set group ID,
+ of the calling process. */
+int
+__getresgid (gid_t *egid, gid_t *rgid, gid_t *sgid)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__getresgid)
+stub_warning (getresgid)
+
+weak_alias (__getresgid, getresgid)
+#include <stub-tag.h>
diff --git a/posix/getresuid.c b/posix/getresuid.c
new file mode 100644
index 0000000000..227d6b7ded
--- /dev/null
+++ b/posix/getresuid.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Fetch the effective user ID, real user ID, and saved-set user ID,
+ of the calling process. */
+int
+__getresuid (uid_t *euid, uid_t *ruid, uid_t *suid)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__getresuid)
+stub_warning (getresuid)
+
+weak_alias (__getresuid, getresuid)
+#include <stub-tag.h>
diff --git a/posix/getsid.c b/posix/getsid.c
new file mode 100644
index 0000000000..eb7e60fa42
--- /dev/null
+++ b/posix/getsid.c
@@ -0,0 +1,32 @@
+/* getsid -- Return session ID of a process. Stub version.
+ Copyright (C) 1995,96,97,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <errno.h>
+
+pid_t
+getsid (pid_t pid)
+{
+ __set_errno (ENOSYS);
+ return (pid_t) -1;
+}
+libc_hidden_def (getsid)
+stub_warning (getsid)
+#include <stub-tag.h>
diff --git a/posix/getuid.c b/posix/getuid.c
new file mode 100644
index 0000000000..c4ea7e8c98
--- /dev/null
+++ b/posix/getuid.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Get the real user ID of the calling process. */
+uid_t
+__getuid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (getuid)
+
+weak_alias (__getuid, getuid)
+#include <stub-tag.h>
diff --git a/posix/glob.c b/posix/glob.c
new file mode 100644
index 0000000000..2e767304a7
--- /dev/null
+++ b/posix/glob.c
@@ -0,0 +1,1558 @@
+/* Copyright (C) 1991-2002,2003,2004,2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* AIX requires this to be the first thing in the file. */
+#if defined _AIX && !defined __GNUC__
+ #pragma alloca
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Enable GNU extensions in glob.h. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/* Outcomment the following line for production quality code. */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
+#include <stdio.h> /* Needed on stupid SunOS for assert. */
+
+
+/* Comment out all this code if we are using the GNU C Library, and are not
+ actually compiling the library itself. This code is part of the GNU C
+ Library, but also included in many other GNU distributions. Compiling
+ and linking in this code is a waste when using the GNU C library
+ (especially if it is a shared library). Rather than having every GNU
+ program understand `configure --with-gnu-libc' and omit the object files,
+ it is simpler to just do this in the source for each such file. */
+
+#define GLOB_INTERFACE_VERSION 1
+#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
+# include <gnu-versions.h>
+# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
+# define ELIDE_CODE
+# endif
+#endif
+
+#ifndef ELIDE_CODE
+#if !defined _LIBC || !defined GLOB_ONLY_P
+
+#if defined STDC_HEADERS || defined __GNU_LIBRARY__
+# include <stddef.h>
+#endif
+
+#if defined HAVE_UNISTD_H || defined _LIBC
+# include <unistd.h>
+# ifndef POSIX
+# ifdef _POSIX_VERSION
+# define POSIX
+# endif
+# endif
+#endif
+
+#if !defined _AMIGA && !defined VMS && !defined WINDOWS32
+# include <pwd.h>
+#endif
+
+#if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS
+extern int errno;
+#endif
+#ifndef __set_errno
+# define __set_errno(val) errno = (val)
+#endif
+
+#ifndef NULL
+# define NULL 0
+#endif
+
+
+#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+# ifdef HAVE_VMSDIR_H
+# include "vmsdir.h"
+# endif /* HAVE_VMSDIR_H */
+#endif
+
+
+/* In GNU systems, <dirent.h> defines this macro for us. */
+#ifdef _D_NAMLEN
+# undef NAMLEN
+# define NAMLEN(d) _D_NAMLEN(d)
+#endif
+
+/* When used in the GNU libc the symbol _DIRENT_HAVE_D_TYPE is available
+ if the `d_type' member for `struct dirent' is available. */
+#ifdef _DIRENT_HAVE_D_TYPE
+# define HAVE_D_TYPE 1
+#endif
+
+#if _LIBC
+# define HAVE_DIRENT64 1
+#endif
+
+/* If the system has the `struct dirent64' type we use it internally. */
+#if defined HAVE_DIRENT64 && !defined COMPILE_GLOB64
+# if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__
+# define CONVERT_D_NAMLEN(d64, d32)
+# else
+# define CONVERT_D_NAMLEN(d64, d32) \
+ (d64)->d_namlen = (d32)->d_namlen;
+# endif
+
+# if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
+# define CONVERT_D_INO(d64, d32)
+# else
+# define CONVERT_D_INO(d64, d32) \
+ (d64)->d_ino = (d32)->d_ino;
+# endif
+
+# ifdef HAVE_D_TYPE
+# define CONVERT_D_TYPE(d64, d32) \
+ (d64)->d_type = (d32)->d_type;
+# else
+# define CONVERT_D_TYPE(d64, d32)
+# endif
+
+# define CONVERT_DIRENT_DIRENT64(d64, d32) \
+ memcpy ((d64)->d_name, (d32)->d_name, NAMLEN (d32) + 1); \
+ CONVERT_D_NAMLEN (d64, d32) \
+ CONVERT_D_INO (d64, d32) \
+ CONVERT_D_TYPE (d64, d32)
+#endif
+
+
+#if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
+/* Posix does not require that the d_ino field be present, and some
+ systems do not provide it. */
+# define REAL_DIR_ENTRY(dp) 1
+#else
+# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
+#endif /* POSIX */
+
+#if defined STDC_HEADERS || defined __GNU_LIBRARY__
+# include <stdlib.h>
+# include <string.h>
+# define ANSI_STRING
+#else /* No standard headers. */
+
+extern char *getenv ();
+
+# ifdef HAVE_STRING_H
+# include <string.h>
+# define ANSI_STRING
+# else
+# include <strings.h>
+# endif
+# ifdef HAVE_MEMORY_H
+# include <memory.h>
+# endif
+
+extern char *malloc (), *realloc ();
+extern void free ();
+
+extern void qsort ();
+extern void abort (), exit ();
+
+#endif /* Standard headers. */
+
+/* NAME_MAX is usually defined in <dirent.h> or <limits.h>. */
+#if defined HAVE_LIMITS_H || defined __GNU_LIBRARY__
+# include <limits.h>
+#endif
+#ifndef NAME_MAX
+# define NAME_MAX (sizeof (((struct dirent *) 0)->d_name))
+#endif
+
+#ifndef ANSI_STRING
+
+# ifndef bzero
+extern void bzero ();
+# endif
+# ifndef bcopy
+extern void bcopy ();
+# endif
+
+# define memcpy(d, s, n) bcopy ((s), (d), (n))
+# define strrchr rindex
+/* memset is only used for zero here, but let's be paranoid. */
+# define memset(s, better_be_zero, n) \
+ ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0)))
+#endif /* Not ANSI_STRING. */
+
+#if !defined HAVE_STRCOLL && !defined _LIBC
+# define strcoll strcmp
+#endif
+
+#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1
+# define HAVE_MEMPCPY 1
+# undef mempcpy
+# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len)
+#endif
+
+#ifndef __GNU_LIBRARY__
+# ifdef __GNUC__
+__inline
+# endif
+# ifndef __SASC
+# ifdef WINDOWS32
+static void *
+# else
+static char *
+# endif
+my_realloc (p, n)
+ char *p;
+ unsigned int n;
+{
+ /* These casts are the for sake of the broken Ultrix compiler,
+ which warns of illegal pointer combinations otherwise. */
+ if (p == NULL)
+ return (char *) malloc (n);
+ return (char *) realloc (p, n);
+}
+# define realloc my_realloc
+# endif /* __SASC */
+#endif /* __GNU_LIBRARY__ */
+
+
+#if !defined __alloca && !defined __GNU_LIBRARY__
+
+# ifdef __GNUC__
+# undef alloca
+# define alloca(n) __builtin_alloca (n)
+# else /* Not GCC. */
+# ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+# else /* Not HAVE_ALLOCA_H. */
+# ifndef _AIX
+# ifdef WINDOWS32
+# include <malloc.h>
+# else
+extern char *alloca ();
+# endif /* WINDOWS32 */
+# endif /* Not _AIX. */
+# endif /* sparc or HAVE_ALLOCA_H. */
+# endif /* GCC. */
+
+# define __alloca alloca
+
+#endif
+
+#ifndef __GNU_LIBRARY__
+# define __stat stat
+# ifdef STAT_MACROS_BROKEN
+# undef S_ISDIR
+# endif
+# ifndef S_ISDIR
+# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
+# endif
+#endif
+
+#ifdef _LIBC
+# include <alloca.h>
+# undef strdup
+# define strdup(str) __strdup (str)
+# define sysconf(id) __sysconf (id)
+# define closedir(dir) __closedir (dir)
+# define opendir(name) __opendir (name)
+# define readdir(str) __readdir64 (str)
+# define getpwnam_r(name, bufp, buf, len, res) \
+ __getpwnam_r (name, bufp, buf, len, res)
+# ifndef __stat64
+# define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf)
+# endif
+# define HAVE_STAT64 1
+#endif
+
+#ifndef HAVE_STAT64
+# define __stat64(fname, buf) __stat (fname, buf)
+/* This is the variable name we are using. */
+# define st64 st
+#endif
+
+#if !(defined STDC_HEADERS || defined __GNU_LIBRARY__)
+# undef size_t
+# define size_t unsigned int
+#endif
+
+/* Some system header files erroneously define these.
+ We want our own definitions from <fnmatch.h> to take precedence. */
+#ifndef __GNU_LIBRARY__
+# undef FNM_PATHNAME
+# undef FNM_NOESCAPE
+# undef FNM_PERIOD
+#endif
+#include <fnmatch.h>
+
+/* Some system header files erroneously define these.
+ We want our own definitions from <glob.h> to take precedence. */
+#ifndef __GNU_LIBRARY__
+# undef GLOB_ERR
+# undef GLOB_MARK
+# undef GLOB_NOSORT
+# undef GLOB_DOOFFS
+# undef GLOB_NOCHECK
+# undef GLOB_APPEND
+# undef GLOB_NOESCAPE
+# undef GLOB_PERIOD
+#endif
+#include <glob.h>
+
+#ifdef HAVE_GETLOGIN_R
+extern int getlogin_r (char *, size_t);
+#else
+extern char *getlogin (void);
+#endif
+
+static const char *next_brace_sub (const char *begin, int flags) __THROW;
+
+#endif /* GLOB_ONLY_P */
+
+static int glob_in_dir (const char *pattern, const char *directory,
+ int flags, int (*errfunc) (const char *, int),
+ glob_t *pglob);
+
+#if !defined _LIBC || !defined GLOB_ONLY_P
+static int prefix_array (const char *prefix, char **array, size_t n) __THROW;
+static int collated_compare (const __ptr_t, const __ptr_t) __THROW;
+
+
+/* Find the end of the sub-pattern in a brace expression. */
+static const char *
+next_brace_sub (cp, flags)
+ const char *cp;
+ int flags;
+{
+ unsigned int depth = 0;
+ while (*cp != '\0')
+ if ((flags & GLOB_NOESCAPE) == 0 && *cp == '\\')
+ {
+ if (*++cp == '\0')
+ break;
+ ++cp;
+ }
+ else
+ {
+ if ((*cp == '}' && depth-- == 0) || (*cp == ',' && depth == 0))
+ break;
+
+ if (*cp++ == '{')
+ depth++;
+ }
+
+ return *cp != '\0' ? cp : NULL;
+}
+
+#endif /* !GLOB_ONLY_P */
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+ The bits defined above may be set in FLAGS.
+ If a directory cannot be opened or read and ERRFUNC is not nil,
+ it is called with the pathname that caused the error, and the
+ `errno' value from the failing call; if it returns non-zero
+ `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
+ If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
+ Otherwise, `glob' returns zero. */
+int
+#ifdef GLOB_ATTRIBUTE
+GLOB_ATTRIBUTE
+#endif
+glob (pattern, flags, errfunc, pglob)
+ const char *pattern;
+ int flags;
+ int (*errfunc) (const char *, int);
+ glob_t *pglob;
+{
+ const char *filename;
+ const char *dirname;
+ size_t dirlen;
+ int status;
+ size_t oldcount;
+
+ if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (!(flags & GLOB_DOOFFS))
+ /* Have to do this so `globfree' knows where to start freeing. It
+ also makes all the code that uses gl_offs simpler. */
+ pglob->gl_offs = 0;
+
+ if (flags & GLOB_BRACE)
+ {
+ const char *begin;
+
+ if (flags & GLOB_NOESCAPE)
+ begin = strchr (pattern, '{');
+ else
+ {
+ begin = pattern;
+ while (1)
+ {
+ if (*begin == '\0')
+ {
+ begin = NULL;
+ break;
+ }
+
+ if (*begin == '\\' && begin[1] != '\0')
+ ++begin;
+ else if (*begin == '{')
+ break;
+
+ ++begin;
+ }
+ }
+
+ if (begin != NULL)
+ {
+ /* Allocate working buffer large enough for our work. Note that
+ we have at least an opening and closing brace. */
+ size_t firstc;
+ char *alt_start;
+ const char *p;
+ const char *next;
+ const char *rest;
+ size_t rest_len;
+#ifdef __GNUC__
+ char onealt[strlen (pattern) - 1];
+#else
+ char *onealt = (char *) malloc (strlen (pattern) - 1);
+ if (onealt == NULL)
+ {
+ if (!(flags & GLOB_APPEND))
+ {
+ pglob->gl_pathc = 0;
+ pglob->gl_pathv = NULL;
+ }
+ return GLOB_NOSPACE;
+ }
+#endif
+
+ /* We know the prefix for all sub-patterns. */
+#ifdef HAVE_MEMPCPY
+ alt_start = mempcpy (onealt, pattern, begin - pattern);
+#else
+ memcpy (onealt, pattern, begin - pattern);
+ alt_start = &onealt[begin - pattern];
+#endif
+
+ /* Find the first sub-pattern and at the same time find the
+ rest after the closing brace. */
+ next = next_brace_sub (begin + 1, flags);
+ if (next == NULL)
+ {
+ /* It is an illegal expression. */
+#ifndef __GNUC__
+ free (onealt);
+#endif
+ return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
+ }
+
+ /* Now find the end of the whole brace expression. */
+ rest = next;
+ while (*rest != '}')
+ {
+ rest = next_brace_sub (rest + 1, flags);
+ if (rest == NULL)
+ {
+ /* It is an illegal expression. */
+#ifndef __GNUC__
+ free (onealt);
+#endif
+ return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
+ }
+ }
+ /* Please note that we now can be sure the brace expression
+ is well-formed. */
+ rest_len = strlen (++rest) + 1;
+
+ /* We have a brace expression. BEGIN points to the opening {,
+ NEXT points past the terminator of the first element, and END
+ points past the final }. We will accumulate result names from
+ recursive runs for each brace alternative in the buffer using
+ GLOB_APPEND. */
+
+ if (!(flags & GLOB_APPEND))
+ {
+ /* This call is to set a new vector, so clear out the
+ vector so we can append to it. */
+ pglob->gl_pathc = 0;
+ pglob->gl_pathv = NULL;
+ }
+ firstc = pglob->gl_pathc;
+
+ p = begin + 1;
+ while (1)
+ {
+ int result;
+
+ /* Construct the new glob expression. */
+#ifdef HAVE_MEMPCPY
+ mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len);
+#else
+ memcpy (alt_start, p, next - p);
+ memcpy (&alt_start[next - p], rest, rest_len);
+#endif
+
+ result = glob (onealt,
+ ((flags & ~(GLOB_NOCHECK | GLOB_NOMAGIC))
+ | GLOB_APPEND), errfunc, pglob);
+
+ /* If we got an error, return it. */
+ if (result && result != GLOB_NOMATCH)
+ {
+#ifndef __GNUC__
+ free (onealt);
+#endif
+ if (!(flags & GLOB_APPEND))
+ {
+ globfree (pglob);
+ pglob->gl_pathc = 0;
+ }
+ return result;
+ }
+
+ if (*next == '}')
+ /* We saw the last entry. */
+ break;
+
+ p = next + 1;
+ next = next_brace_sub (p, flags);
+ assert (next != NULL);
+ }
+
+#ifndef __GNUC__
+ free (onealt);
+#endif
+
+ if (pglob->gl_pathc != firstc)
+ /* We found some entries. */
+ return 0;
+ else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+ return GLOB_NOMATCH;
+ }
+ }
+
+ /* Find the filename. */
+ filename = strrchr (pattern, '/');
+#if defined __MSDOS__ || defined WINDOWS32
+ /* The case of "d:pattern". Since `:' is not allowed in
+ file names, we can safely assume that wherever it
+ happens in pattern, it signals the filename part. This
+ is so we could some day support patterns like "[a-z]:foo". */
+ if (filename == NULL)
+ filename = strchr (pattern, ':');
+#endif /* __MSDOS__ || WINDOWS32 */
+ if (filename == NULL)
+ {
+ /* This can mean two things: a simple name or "~name". The latter
+ case is nothing but a notation for a directory. */
+ if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~')
+ {
+ dirname = pattern;
+ dirlen = strlen (pattern);
+
+ /* Set FILENAME to NULL as a special flag. This is ugly but
+ other solutions would require much more code. We test for
+ this special case below. */
+ filename = NULL;
+ }
+ else
+ {
+ filename = pattern;
+#ifdef _AMIGA
+ dirname = "";
+#else
+ dirname = ".";
+#endif
+ dirlen = 0;
+ }
+ }
+ else if (filename == pattern)
+ {
+ /* "/pattern". */
+ dirname = "/";
+ dirlen = 1;
+ ++filename;
+ }
+ else
+ {
+ char *newp;
+ dirlen = filename - pattern;
+#if defined __MSDOS__ || defined WINDOWS32
+ if (*filename == ':'
+ || (filename > pattern + 1 && filename[-1] == ':'))
+ {
+ char *drive_spec;
+
+ ++dirlen;
+ drive_spec = (char *) __alloca (dirlen + 1);
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0';
+#else
+ memcpy (drive_spec, pattern, dirlen);
+ drive_spec[dirlen] = '\0';
+#endif
+ /* For now, disallow wildcards in the drive spec, to
+ prevent infinite recursion in glob. */
+ if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE)))
+ return GLOB_NOMATCH;
+ /* If this is "d:pattern", we need to copy `:' to DIRNAME
+ as well. If it's "d:/pattern", don't remove the slash
+ from "d:/", since "d:" and "d:/" are not the same.*/
+ }
+#endif
+ newp = (char *) __alloca (dirlen + 1);
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (newp, pattern, dirlen)) = '\0';
+#else
+ memcpy (newp, pattern, dirlen);
+ newp[dirlen] = '\0';
+#endif
+ dirname = newp;
+ ++filename;
+
+ if (filename[0] == '\0'
+#if defined __MSDOS__ || defined WINDOWS32
+ && dirname[dirlen - 1] != ':'
+ && (dirlen < 3 || dirname[dirlen - 2] != ':'
+ || dirname[dirlen - 1] != '/')
+#endif
+ && dirlen > 1)
+ /* "pattern/". Expand "pattern", appending slashes. */
+ {
+ int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob);
+ if (val == 0)
+ pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK)
+ | (flags & GLOB_MARK));
+ return val;
+ }
+ }
+
+ if (!(flags & GLOB_APPEND))
+ {
+ pglob->gl_pathc = 0;
+ if (!(flags & GLOB_DOOFFS))
+ pglob->gl_pathv = NULL;
+ else
+ {
+ size_t i;
+ pglob->gl_pathv = (char **) malloc ((pglob->gl_offs + 1)
+ * sizeof (char *));
+ if (pglob->gl_pathv == NULL)
+ return GLOB_NOSPACE;
+
+ for (i = 0; i <= pglob->gl_offs; ++i)
+ pglob->gl_pathv[i] = NULL;
+ }
+ }
+
+ oldcount = pglob->gl_pathc + pglob->gl_offs;
+
+#ifndef VMS
+ if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~')
+ {
+ if (dirname[1] == '\0' || dirname[1] == '/')
+ {
+ /* Look up home directory. */
+ const char *home_dir = getenv ("HOME");
+# ifdef _AMIGA
+ if (home_dir == NULL || home_dir[0] == '\0')
+ home_dir = "SYS:";
+# else
+# ifdef WINDOWS32
+ if (home_dir == NULL || home_dir[0] == '\0')
+ home_dir = "c:/users/default"; /* poor default */
+# else
+ if (home_dir == NULL || home_dir[0] == '\0')
+ {
+ int success;
+ char *name;
+# if defined HAVE_GETLOGIN_R || defined _LIBC
+ size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1;
+
+ if (buflen == 0)
+ /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try
+ a moderate value. */
+ buflen = 20;
+ name = (char *) __alloca (buflen);
+
+ success = getlogin_r (name, buflen) == 0;
+# else
+ success = (name = getlogin ()) != NULL;
+# endif
+ if (success)
+ {
+ struct passwd *p;
+# if defined HAVE_GETPWNAM_R || defined _LIBC
+ long int pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX);
+ char *pwtmpbuf;
+ struct passwd pwbuf;
+ int save = errno;
+
+# ifndef _LIBC
+ if (pwbuflen == -1)
+ /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX.
+ Try a moderate value. */
+ pwbuflen = 1024;
+# endif
+ pwtmpbuf = (char *) __alloca (pwbuflen);
+
+ while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p)
+ != 0)
+ {
+ if (errno != ERANGE)
+ {
+ p = NULL;
+ break;
+ }
+# ifdef _LIBC
+ pwtmpbuf = extend_alloca (pwtmpbuf, pwbuflen,
+ 2 * pwbuflen);
+# else
+ pwbuflen *= 2;
+ pwtmpbuf = (char *) __alloca (pwbuflen);
+# endif
+ __set_errno (save);
+ }
+# else
+ p = getpwnam (name);
+# endif
+ if (p != NULL)
+ home_dir = p->pw_dir;
+ }
+ }
+ if (home_dir == NULL || home_dir[0] == '\0')
+ {
+ if (flags & GLOB_TILDE_CHECK)
+ return GLOB_NOMATCH;
+ else
+ home_dir = "~"; /* No luck. */
+ }
+# endif /* WINDOWS32 */
+# endif
+ /* Now construct the full directory. */
+ if (dirname[1] == '\0')
+ dirname = home_dir;
+ else
+ {
+ char *newp;
+ size_t home_len = strlen (home_dir);
+ newp = (char *) __alloca (home_len + dirlen);
+# ifdef HAVE_MEMPCPY
+ mempcpy (mempcpy (newp, home_dir, home_len),
+ &dirname[1], dirlen);
+# else
+ memcpy (newp, home_dir, home_len);
+ memcpy (&newp[home_len], &dirname[1], dirlen);
+# endif
+ dirname = newp;
+ }
+ }
+# if !defined _AMIGA && !defined WINDOWS32
+ else
+ {
+ char *end_name = strchr (dirname, '/');
+ const char *user_name;
+ const char *home_dir;
+
+ if (end_name == NULL)
+ user_name = dirname + 1;
+ else
+ {
+ char *newp;
+ newp = (char *) __alloca (end_name - dirname);
+# ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
+ = '\0';
+# else
+ memcpy (newp, dirname + 1, end_name - dirname);
+ newp[end_name - dirname - 1] = '\0';
+# endif
+ user_name = newp;
+ }
+
+ /* Look up specific user's home directory. */
+ {
+ struct passwd *p;
+# if defined HAVE_GETPWNAM_R || defined _LIBC
+ long int buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
+ char *pwtmpbuf;
+ struct passwd pwbuf;
+ int save = errno;
+
+# ifndef _LIBC
+ if (buflen == -1)
+ /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a
+ moderate value. */
+ buflen = 1024;
+# endif
+ pwtmpbuf = (char *) __alloca (buflen);
+
+ while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0)
+ {
+ if (errno != ERANGE)
+ {
+ p = NULL;
+ break;
+ }
+# ifdef _LIBC
+ pwtmpbuf = extend_alloca (pwtmpbuf, buflen, 2 * buflen);
+# else
+ buflen *= 2;
+ pwtmpbuf = __alloca (buflen);
+# endif
+ __set_errno (save);
+ }
+# else
+ p = getpwnam (user_name);
+# endif
+ if (p != NULL)
+ home_dir = p->pw_dir;
+ else
+ home_dir = NULL;
+ }
+ /* If we found a home directory use this. */
+ if (home_dir != NULL)
+ {
+ char *newp;
+ size_t home_len = strlen (home_dir);
+ size_t rest_len = end_name == NULL ? 0 : strlen (end_name);
+ newp = (char *) __alloca (home_len + rest_len + 1);
+# ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (mempcpy (newp, home_dir, home_len),
+ end_name, rest_len)) = '\0';
+# else
+ memcpy (newp, home_dir, home_len);
+ memcpy (&newp[home_len], end_name, rest_len);
+ newp[home_len + rest_len] = '\0';
+# endif
+ dirname = newp;
+ }
+ else
+ if (flags & GLOB_TILDE_CHECK)
+ /* We have to regard it as an error if we cannot find the
+ home directory. */
+ return GLOB_NOMATCH;
+ }
+# endif /* Not Amiga && not WINDOWS32. */
+ }
+#endif /* Not VMS. */
+
+ /* Now test whether we looked for "~" or "~NAME". In this case we
+ can give the answer now. */
+ if (filename == NULL)
+ {
+ struct stat st;
+#ifdef HAVE_STAT64
+ struct stat64 st64;
+#endif
+
+ /* Return the directory if we don't check for error or if it exists. */
+ if ((flags & GLOB_NOCHECK)
+ || (((flags & GLOB_ALTDIRFUNC)
+ ? ((*pglob->gl_stat) (dirname, &st) == 0
+ && S_ISDIR (st.st_mode))
+ : (__stat64 (dirname, &st64) == 0 && S_ISDIR (st64.st_mode)))))
+ {
+ int newcount = pglob->gl_pathc + pglob->gl_offs;
+ char **new_gl_pathv;
+
+ new_gl_pathv
+ = (char **) realloc (pglob->gl_pathv,
+ (newcount + 1 + 1) * sizeof (char *));
+ if (new_gl_pathv == NULL)
+ {
+ nospace:
+ free (pglob->gl_pathv);
+ pglob->gl_pathv = NULL;
+ pglob->gl_pathc = 0;
+ return GLOB_NOSPACE;
+ }
+ pglob->gl_pathv = new_gl_pathv;
+
+#if defined HAVE_STRDUP || defined _LIBC
+ pglob->gl_pathv[newcount] = strdup (dirname);
+#else
+ {
+ size_t len = strlen (dirname) + 1;
+ char *dircopy = (char *) malloc (len);
+ if (dircopy != NULL)
+ pglob->gl_pathv[newcount] = memcpy (dircopy, dirname, len);
+ }
+#endif
+ if (pglob->gl_pathv[newcount] == NULL)
+ goto nospace;
+ pglob->gl_pathv[++newcount] = NULL;
+ ++pglob->gl_pathc;
+ pglob->gl_flags = flags;
+
+ return 0;
+ }
+
+ /* Not found. */
+ return GLOB_NOMATCH;
+ }
+
+ if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE)))
+ {
+ /* The directory name contains metacharacters, so we
+ have to glob for the directory, and then glob for
+ the pattern in each directory found. */
+ glob_t dirs;
+ size_t i;
+
+ if ((flags & GLOB_ALTDIRFUNC) != 0)
+ {
+ /* Use the alternative access functions also in the recursive
+ call. */
+ dirs.gl_opendir = pglob->gl_opendir;
+ dirs.gl_readdir = pglob->gl_readdir;
+ dirs.gl_closedir = pglob->gl_closedir;
+ dirs.gl_stat = pglob->gl_stat;
+ dirs.gl_lstat = pglob->gl_lstat;
+ }
+
+ status = glob (dirname,
+ ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE
+ | GLOB_ALTDIRFUNC))
+ | GLOB_NOSORT | GLOB_ONLYDIR),
+ errfunc, &dirs);
+ if (status != 0)
+ return status;
+
+ /* We have successfully globbed the preceding directory name.
+ For each name we found, call glob_in_dir on it and FILENAME,
+ appending the results to PGLOB. */
+ for (i = 0; i < dirs.gl_pathc; ++i)
+ {
+ int old_pathc;
+
+#ifdef SHELL
+ {
+ /* Make globbing interruptible in the bash shell. */
+ extern int interrupt_state;
+
+ if (interrupt_state)
+ {
+ globfree (&dirs);
+ return GLOB_ABORTED;
+ }
+ }
+#endif /* SHELL. */
+
+ old_pathc = pglob->gl_pathc;
+ status = glob_in_dir (filename, dirs.gl_pathv[i],
+ ((flags | GLOB_APPEND)
+ & ~(GLOB_NOCHECK | GLOB_NOMAGIC)),
+ errfunc, pglob);
+ if (status == GLOB_NOMATCH)
+ /* No matches in this directory. Try the next. */
+ continue;
+
+ if (status != 0)
+ {
+ globfree (&dirs);
+ globfree (pglob);
+ pglob->gl_pathc = 0;
+ return status;
+ }
+
+ /* Stick the directory on the front of each name. */
+ if (prefix_array (dirs.gl_pathv[i],
+ &pglob->gl_pathv[old_pathc + pglob->gl_offs],
+ pglob->gl_pathc - old_pathc))
+ {
+ globfree (&dirs);
+ globfree (pglob);
+ pglob->gl_pathc = 0;
+ return GLOB_NOSPACE;
+ }
+ }
+
+ flags |= GLOB_MAGCHAR;
+
+ /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls.
+ But if we have not found any matching entry and the GLOB_NOCHECK
+ flag was set we must return the input pattern itself. */
+ if (pglob->gl_pathc + pglob->gl_offs == oldcount)
+ {
+ /* No matches. */
+ if (flags & GLOB_NOCHECK)
+ {
+ int newcount = pglob->gl_pathc + pglob->gl_offs;
+ char **new_gl_pathv;
+
+ new_gl_pathv = (char **) realloc (pglob->gl_pathv,
+ (newcount + 2)
+ * sizeof (char *));
+ if (new_gl_pathv == NULL)
+ {
+ globfree (&dirs);
+ return GLOB_NOSPACE;
+ }
+ pglob->gl_pathv = new_gl_pathv;
+
+ pglob->gl_pathv[newcount] = __strdup (pattern);
+ if (pglob->gl_pathv[newcount] == NULL)
+ {
+ globfree (&dirs);
+ globfree (pglob);
+ pglob->gl_pathc = 0;
+ return GLOB_NOSPACE;
+ }
+
+ ++pglob->gl_pathc;
+ ++newcount;
+
+ pglob->gl_pathv[newcount] = NULL;
+ pglob->gl_flags = flags;
+ }
+ else
+ {
+ globfree (&dirs);
+ return GLOB_NOMATCH;
+ }
+ }
+
+ globfree (&dirs);
+ }
+ else
+ {
+ int old_pathc = pglob->gl_pathc;
+
+ status = glob_in_dir (filename, dirname, flags, errfunc, pglob);
+ if (status != 0)
+ return status;
+
+ if (dirlen > 0)
+ {
+ /* Stick the directory on the front of each name. */
+ if (prefix_array (dirname,
+ &pglob->gl_pathv[old_pathc + pglob->gl_offs],
+ pglob->gl_pathc - old_pathc))
+ {
+ globfree (pglob);
+ pglob->gl_pathc = 0;
+ return GLOB_NOSPACE;
+ }
+ }
+ }
+
+ if (flags & GLOB_MARK)
+ {
+ /* Append slashes to directory names. */
+ size_t i;
+ struct stat st;
+#ifdef HAVE_STAT64
+ struct stat64 st64;
+#endif
+
+ for (i = oldcount; i < pglob->gl_pathc + pglob->gl_offs; ++i)
+ if (((flags & GLOB_ALTDIRFUNC)
+ ? ((*pglob->gl_stat) (pglob->gl_pathv[i], &st) == 0
+ && S_ISDIR (st.st_mode))
+ : (__stat64 (pglob->gl_pathv[i], &st64) == 0
+ && S_ISDIR (st64.st_mode))))
+ {
+ size_t len = strlen (pglob->gl_pathv[i]) + 2;
+ char *new = realloc (pglob->gl_pathv[i], len);
+ if (new == NULL)
+ {
+ globfree (pglob);
+ pglob->gl_pathc = 0;
+ return GLOB_NOSPACE;
+ }
+ strcpy (&new[len - 2], "/");
+ pglob->gl_pathv[i] = new;
+ }
+ }
+
+ if (!(flags & GLOB_NOSORT))
+ {
+ /* Sort the vector. */
+ qsort ((__ptr_t) &pglob->gl_pathv[oldcount],
+ pglob->gl_pathc + pglob->gl_offs - oldcount,
+ sizeof (char *), collated_compare);
+ }
+
+ return 0;
+}
+#if defined _LIBC && !defined glob
+libc_hidden_def (glob)
+#endif
+
+
+#if !defined _LIBC || !defined GLOB_ONLY_P
+
+/* Free storage allocated in PGLOB by a previous `glob' call. */
+void
+globfree (pglob)
+ register glob_t *pglob;
+{
+ if (pglob->gl_pathv != NULL)
+ {
+ size_t i;
+ for (i = 0; i < pglob->gl_pathc; ++i)
+ if (pglob->gl_pathv[pglob->gl_offs + i] != NULL)
+ free ((__ptr_t) pglob->gl_pathv[pglob->gl_offs + i]);
+ free ((__ptr_t) pglob->gl_pathv);
+ pglob->gl_pathv = NULL;
+ }
+}
+#if defined _LIBC && !defined globfree
+libc_hidden_def (globfree)
+#endif
+
+
+/* Do a collated comparison of A and B. */
+static int
+collated_compare (a, b)
+ const __ptr_t a;
+ const __ptr_t b;
+{
+ const char *const s1 = *(const char *const * const) a;
+ const char *const s2 = *(const char *const * const) b;
+
+ if (s1 == s2)
+ return 0;
+ if (s1 == NULL)
+ return 1;
+ if (s2 == NULL)
+ return -1;
+ return strcoll (s1, s2);
+}
+
+
+/* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's
+ elements in place. Return nonzero if out of memory, zero if successful.
+ A slash is inserted between DIRNAME and each elt of ARRAY,
+ unless DIRNAME is just "/". Each old element of ARRAY is freed. */
+static int
+prefix_array (dirname, array, n)
+ const char *dirname;
+ char **array;
+ size_t n;
+{
+ register size_t i;
+ size_t dirlen = strlen (dirname);
+#if defined __MSDOS__ || defined WINDOWS32
+ int sep_char = '/';
+# define DIRSEP_CHAR sep_char
+#else
+# define DIRSEP_CHAR '/'
+#endif
+
+ if (dirlen == 1 && dirname[0] == '/')
+ /* DIRNAME is just "/", so normal prepending would get us "//foo".
+ We want "/foo" instead, so don't prepend any chars from DIRNAME. */
+ dirlen = 0;
+#if defined __MSDOS__ || defined WINDOWS32
+ else if (dirlen > 1)
+ {
+ if (dirname[dirlen - 1] == '/' && dirname[dirlen - 2] == ':')
+ /* DIRNAME is "d:/". Don't prepend the slash from DIRNAME. */
+ --dirlen;
+ else if (dirname[dirlen - 1] == ':')
+ {
+ /* DIRNAME is "d:". Use `:' instead of `/'. */
+ --dirlen;
+ sep_char = ':';
+ }
+ }
+#endif
+
+ for (i = 0; i < n; ++i)
+ {
+ size_t eltlen = strlen (array[i]) + 1;
+ char *new = (char *) malloc (dirlen + 1 + eltlen);
+ if (new == NULL)
+ {
+ while (i > 0)
+ free ((__ptr_t) array[--i]);
+ return 1;
+ }
+
+#ifdef HAVE_MEMPCPY
+ {
+ char *endp = (char *) mempcpy (new, dirname, dirlen);
+ *endp++ = DIRSEP_CHAR;
+ mempcpy (endp, array[i], eltlen);
+ }
+#else
+ memcpy (new, dirname, dirlen);
+ new[dirlen] = DIRSEP_CHAR;
+ memcpy (&new[dirlen + 1], array[i], eltlen);
+#endif
+ free ((__ptr_t) array[i]);
+ array[i] = new;
+ }
+
+ return 0;
+}
+
+
+/* We must not compile this function twice. */
+#if !defined _LIBC || !defined NO_GLOB_PATTERN_P
+/* Return nonzero if PATTERN contains any metacharacters.
+ Metacharacters can be quoted with backslashes if QUOTE is nonzero. */
+int
+__glob_pattern_p (pattern, quote)
+ const char *pattern;
+ int quote;
+{
+ register const char *p;
+ int open = 0;
+
+ for (p = pattern; *p != '\0'; ++p)
+ switch (*p)
+ {
+ case '?':
+ case '*':
+ return 1;
+
+ case '\\':
+ if (quote && p[1] != '\0')
+ ++p;
+ break;
+
+ case '[':
+ open = 1;
+ break;
+
+ case ']':
+ if (open)
+ return 1;
+ break;
+ }
+
+ return 0;
+}
+# ifdef _LIBC
+weak_alias (__glob_pattern_p, glob_pattern_p)
+# endif
+#endif
+
+#endif /* !GLOB_ONLY_P */
+
+
+/* We put this in a separate function mainly to allow the memory
+ allocated with alloca to be recycled. */
+#if !defined _LIBC || !defined GLOB_ONLY_P
+static int
+link_exists_p (const char *dir, size_t dirlen, const char *fname,
+ glob_t *pglob, int flags)
+{
+ size_t fnamelen = strlen (fname);
+ char *fullname = (char *) __alloca (dirlen + 1 + fnamelen + 1);
+ struct stat st;
+ struct stat64 st64;
+
+# ifdef HAVE_MEMPCPY
+ mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
+ fname, fnamelen + 1);
+# else
+ memcpy (fullname, dir, dirlen);
+ fullname[dirlen] = '/';
+ memcpy (&fullname[dirlen + 1], fname, fnamelen + 1);
+# endif
+
+ return (((flags & GLOB_ALTDIRFUNC)
+ ? (*pglob->gl_stat) (fullname, &st)
+ : __stat64 (fullname, &st64)) == 0);
+}
+#endif
+
+
+/* Like `glob', but PATTERN is a final pathname component,
+ and matches are searched for in DIRECTORY.
+ The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done.
+ The GLOB_APPEND flag is assumed to be set (always appends). */
+static int
+glob_in_dir (pattern, directory, flags, errfunc, pglob)
+ const char *pattern;
+ const char *directory;
+ int flags;
+ int (*errfunc) (const char *, int);
+ glob_t *pglob;
+{
+ size_t dirlen = strlen (directory);
+ __ptr_t stream = NULL;
+ struct globlink
+ {
+ struct globlink *next;
+ char *name;
+ };
+ struct globlink *names = NULL;
+ size_t nfound;
+ int meta;
+ int save;
+
+ meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+ if (meta == 0 && (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+ {
+ /* We need not do any tests. The PATTERN contains no meta
+ characters and we must not return an error therefore the
+ result will always contain exactly one name. */
+ flags |= GLOB_NOCHECK;
+ nfound = 0;
+ }
+ else if (meta == 0 &&
+ ((flags & GLOB_NOESCAPE) || strchr (pattern, '\\') == NULL))
+ {
+ /* Since we use the normal file functions we can also use stat()
+ to verify the file is there. */
+ struct stat st;
+# ifdef HAVE_STAT64
+ struct stat64 st64;
+# endif
+ size_t patlen = strlen (pattern);
+ char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1);
+
+# ifdef HAVE_MEMPCPY
+ mempcpy (mempcpy (mempcpy (fullname, directory, dirlen),
+ "/", 1),
+ pattern, patlen + 1);
+# else
+ memcpy (fullname, directory, dirlen);
+ fullname[dirlen] = '/';
+ memcpy (&fullname[dirlen + 1], pattern, patlen + 1);
+# endif
+ if (((flags & GLOB_ALTDIRFUNC)
+ ? (*pglob->gl_stat) (fullname, &st)
+ : __stat64 (fullname, &st64)) == 0)
+ /* We found this file to be existing. Now tell the rest
+ of the function to copy this name into the result. */
+ flags |= GLOB_NOCHECK;
+
+ nfound = 0;
+ }
+ else
+ {
+ if (pattern[0] == '\0')
+ {
+ /* This is a special case for matching directories like in
+ "*a/". */
+ names = (struct globlink *) __alloca (sizeof (struct globlink));
+ names->name = (char *) malloc (1);
+ if (names->name == NULL)
+ goto memory_error;
+ names->name[0] = '\0';
+ names->next = NULL;
+ nfound = 1;
+ meta = 0;
+ }
+ else
+ {
+ stream = ((flags & GLOB_ALTDIRFUNC)
+ ? (*pglob->gl_opendir) (directory)
+ : (__ptr_t) opendir (directory));
+ if (stream == NULL)
+ {
+ if (errno != ENOTDIR
+ && ((errfunc != NULL && (*errfunc) (directory, errno))
+ || (flags & GLOB_ERR)))
+ return GLOB_ABORTED;
+ nfound = 0;
+ meta = 0;
+ }
+ else
+ {
+ int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0)
+ | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
+#if defined _AMIGA || defined VMS
+ | FNM_CASEFOLD
+#endif
+ );
+ nfound = 0;
+ flags |= GLOB_MAGCHAR;
+
+ while (1)
+ {
+ const char *name;
+ size_t len;
+#if defined HAVE_DIRENT64 && !defined COMPILE_GLOB64
+ struct dirent64 *d;
+ union
+ {
+ struct dirent64 d64;
+ char room [offsetof (struct dirent64, d_name[0])
+ + NAME_MAX + 1];
+ }
+ d64buf;
+
+ if (flags & GLOB_ALTDIRFUNC)
+ {
+ struct dirent *d32 = (*pglob->gl_readdir) (stream);
+ if (d32 != NULL)
+ {
+ CONVERT_DIRENT_DIRENT64 (&d64buf.d64, d32);
+ d = &d64buf.d64;
+ }
+ else
+ d = NULL;
+ }
+ else
+ d = __readdir64 ((DIR *) stream);
+#else
+ struct dirent *d = ((flags & GLOB_ALTDIRFUNC)
+ ? ((struct dirent *)
+ (*pglob->gl_readdir) (stream))
+ : __readdir ((DIR *) stream));
+#endif
+ if (d == NULL)
+ break;
+ if (! REAL_DIR_ENTRY (d))
+ continue;
+
+#ifdef HAVE_D_TYPE
+ /* If we shall match only directories use the information
+ provided by the dirent call if possible. */
+ if ((flags & GLOB_ONLYDIR)
+ && d->d_type != DT_UNKNOWN
+ && d->d_type != DT_DIR
+ && d->d_type != DT_LNK)
+ continue;
+#endif
+
+ name = d->d_name;
+
+ if (fnmatch (pattern, name, fnm_flags) == 0)
+ {
+ /* If the file we found is a symlink we have to
+ make sure the target file exists. */
+ if (
+#ifdef HAVE_D_TYPE
+ (d->d_type != DT_UNKNOWN && d->d_type != DT_LNK) ||
+#endif
+ link_exists_p (directory, dirlen, name, pglob,
+ flags))
+ {
+ struct globlink *new = (struct globlink *)
+ __alloca (sizeof (struct globlink));
+ len = NAMLEN (d);
+ new->name = (char *) malloc (len + 1);
+ if (new->name == NULL)
+ goto memory_error;
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy ((__ptr_t) new->name, name, len))
+ = '\0';
+#else
+ memcpy ((__ptr_t) new->name, name, len);
+ new->name[len] = '\0';
+#endif
+ new->next = names;
+ names = new;
+ ++nfound;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (nfound == 0 && (flags & GLOB_NOCHECK))
+ {
+ size_t len = strlen (pattern);
+ nfound = 1;
+ names = (struct globlink *) __alloca (sizeof (struct globlink));
+ names->next = NULL;
+ names->name = (char *) malloc (len + 1);
+ if (names->name == NULL)
+ goto memory_error;
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (names->name, pattern, len)) = '\0';
+#else
+ memcpy (names->name, pattern, len);
+ names->name[len] = '\0';
+#endif
+ }
+
+ if (nfound != 0)
+ {
+ char **new_gl_pathv;
+
+ new_gl_pathv
+ = (char **) realloc (pglob->gl_pathv,
+ (pglob->gl_pathc + pglob->gl_offs + nfound + 1)
+ * sizeof (char *));
+ if (new_gl_pathv == NULL)
+ goto memory_error;
+ pglob->gl_pathv = new_gl_pathv;
+
+ for (; names != NULL; names = names->next)
+ pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc++] = names->name;
+ pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
+
+ pglob->gl_flags = flags;
+ }
+
+ save = errno;
+ if (stream != NULL)
+ {
+ if (flags & GLOB_ALTDIRFUNC)
+ (*pglob->gl_closedir) (stream);
+ else
+ closedir ((DIR *) stream);
+ }
+ __set_errno (save);
+
+ return nfound == 0 ? GLOB_NOMATCH : 0;
+
+ memory_error:
+ {
+ int save = errno;
+ if (flags & GLOB_ALTDIRFUNC)
+ (*pglob->gl_closedir) (stream);
+ else
+ closedir ((DIR *) stream);
+ __set_errno (save);
+ }
+ while (names != NULL)
+ {
+ if (names->name != NULL)
+ free ((__ptr_t) names->name);
+ names = names->next;
+ }
+ return GLOB_NOSPACE;
+}
+
+#endif /* Not ELIDE_CODE. */
diff --git a/posix/glob64.c b/posix/glob64.c
new file mode 100644
index 0000000000..2bfab74074
--- /dev/null
+++ b/posix/glob64.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1998,99,2002,2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stddef.h>
+#include <sys/types.h>
+#include <glob.h>
+#include <errno.h>
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+ The bits defined above may be set in FLAGS.
+ If a directory cannot be opened or read and ERRFUNC is not nil,
+ it is called with the pathname that caused the error, and the
+ `errno' value from the failing call; if it returns non-zero
+ `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
+ If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
+ Otherwise, `glob' returns zero. */
+int
+glob64 (const char *pattern, int flags,
+ int (*errfunc) (const char *, int), glob64_t *pglob)
+{
+ if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return GLOB_NOSYS;
+}
+libc_hidden_def (glob64)
+
+void
+globfree64 (glob64_t *pglob)
+{
+}
+libc_hidden_def (globfree64)
+
+stub_warning (glob64)
+#include <stub-tag.h>
diff --git a/posix/group_member.c b/posix/group_member.c
new file mode 100644
index 0000000000..7bd9c46ba2
--- /dev/null
+++ b/posix/group_member.c
@@ -0,0 +1,50 @@
+/* `group_member' -- test if process is in a given group.
+ Copyright (C) 1995, 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#ifndef NGROUPS_MAX
+#define NGROUPS_MAX 16 /* First guess. */
+#endif
+
+int
+__group_member (gid)
+ gid_t gid;
+{
+ int n, size;
+ gid_t *groups;
+
+ size = NGROUPS_MAX;
+ do
+ {
+ groups = __alloca (size * sizeof *groups);
+ n = __getgroups (size, groups);
+ size *= 2;
+ } while (n == size / 2);
+
+ while (n >= 0)
+ if (groups[n--] == gid)
+ return 1;
+
+ return 0;
+}
+weak_alias (__group_member, group_member)
diff --git a/posix/init-posix.c b/posix/init-posix.c
new file mode 100644
index 0000000000..0c2b717e6d
--- /dev/null
+++ b/posix/init-posix.c
@@ -0,0 +1 @@
+/* Nothing to do. */
diff --git a/posix/nanosleep.c b/posix/nanosleep.c
new file mode 100644
index 0000000000..7a2138b6f1
--- /dev/null
+++ b/posix/nanosleep.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <time.h>
+
+
+/* Pause execution for a number of nanoseconds. */
+int
+__libc_nanosleep (const struct timespec *requested_time,
+ struct timespec *remaining)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (nanosleep)
+
+weak_alias (__libc_nanosleep, __nanosleep)
+libc_hidden_def (__nanosleep)
+weak_alias (__libc_nanosleep, nanosleep)
+#include <stub-tag.h>
diff --git a/posix/pathconf.c b/posix/pathconf.c
new file mode 100644
index 0000000000..6ac5d31902
--- /dev/null
+++ b/posix/pathconf.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+/* Get file-specific information about PATH. */
+long int
+__pathconf (path, name)
+ const char *path;
+ int name;
+{
+ if (path == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ return __fpathconf (0, name);
+}
+
+weak_alias (__pathconf, pathconf)
+
+stub_warning (pathconf)
+#include <stub-tag.h>
diff --git a/posix/pause.c b/posix/pause.c
new file mode 100644
index 0000000000..2e34b436f1
--- /dev/null
+++ b/posix/pause.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+
+/* Suspend the process until a signal arrives.
+ This is supposed to always return -1 and set errno to EINTR,
+ but rules were meant to be broken. */
+int
+pause ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (pause)
+#include <stub-tag.h>
diff --git a/posix/posix_madvise.c b/posix/posix_madvise.c
new file mode 100644
index 0000000000..6f8d60f55f
--- /dev/null
+++ b/posix/posix_madvise.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1994, 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <errno.h>
+
+/* Advise the system about particular usage patterns the program follows
+ for the region starting at ADDR and extending LEN bytes. */
+
+int
+posix_madvise (__ptr_t addr, size_t len, int advice)
+{
+ return ENOSYS;
+}
+stub_warning (posix_madvise)
+#include <stub-tag.h>
diff --git a/posix/pread.c b/posix/pread.c
new file mode 100644
index 0000000000..5c79dd526d
--- /dev/null
+++ b/posix/pread.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Read NBYTES into BUF from FD at the given position OFFSET without
+ changing the file pointer. Return the number read or -1. */
+ssize_t
+__libc_pread (int fd, void *buf, size_t nbytes, off_t offset)
+{
+ if (nbytes == 0)
+ return 0;
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+ if (buf == NULL || offset < 0)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+strong_alias (__libc_pread, __pread)
+weak_alias (__libc_pread, pread)
+stub_warning (pread)
+#include <stub-tag.h>
diff --git a/posix/pread64.c b/posix/pread64.c
new file mode 100644
index 0000000000..68316579c6
--- /dev/null
+++ b/posix/pread64.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Read NBYTES into BUF from FD at the given position OFFSET without
+ changing the file pointer. Return the number read or -1. */
+ssize_t
+__libc_pread64 (int fd, void *buf, size_t nbytes, off64_t offset)
+{
+ if (nbytes == 0)
+ return 0;
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+ if (buf == NULL || offset < 0)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+strong_alias (__libc_pread64, __pread64)
+weak_alias (__libc_pread64, pread64)
+stub_warning (pread64)
+#include <stub-tag.h>
diff --git a/posix/pwrite.c b/posix/pwrite.c
new file mode 100644
index 0000000000..ec35ecea9c
--- /dev/null
+++ b/posix/pwrite.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Write NBYTES of BUF to FD at given position OFFSET without changing
+ the file position. Return the number written, or -1. */
+ssize_t
+__libc_pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
+{
+ if (nbytes == 0)
+ return 0;
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+ if (buf == NULL || offset < 0)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+strong_alias (__libc_pwrite, __pwrite)
+weak_alias (__libc_pwrite, pwrite)
+stub_warning (pwrite)
+#include <stub-tag.h>
diff --git a/posix/pwrite64.c b/posix/pwrite64.c
new file mode 100644
index 0000000000..dd14aa0bd7
--- /dev/null
+++ b/posix/pwrite64.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1991,1995,1996,1997,1999,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Write NBYTES of BUF to FD at given position OFFSET without changing
+ the file position. Return the number written, or -1. */
+ssize_t
+__libc_pwrite64 (int fd, const void *buf, size_t nbytes, off64_t offset)
+{
+ if (nbytes == 0)
+ return 0;
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+ if (buf == NULL || offset < 0)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+strong_alias (__libc_pwrite64, __pwrite64)
+libc_hidden_def (__pwrite64)
+weak_alias (__libc_pwrite64, pwrite64)
+stub_warning (pwrite64)
+#include <stub-tag.h>
diff --git a/posix/regex_internal.h b/posix/regex_internal.h
index d1447a4d5e..3b575c3c48 100644
--- a/posix/regex_internal.h
+++ b/posix/regex_internal.h
@@ -42,6 +42,9 @@
#if defined HAVE_STDBOOL_H || defined _LIBC
# include <stdbool.h>
#endif /* HAVE_STDBOOL_H || _LIBC */
+#if defined HAVE_STDINT_H || defined _LIBC
+# include <stdint.h>
+#endif /* HAVE_STDINT_H || _LIBC */
#if defined _LIBC
# include <bits/libc-lock.h>
#else
@@ -83,6 +86,11 @@
# define gettext_noop(String) String
#endif
+/* For loser systems without the definition. */
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
+#endif
+
#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_WCRTOMB && HAVE_MBRTOWC && HAVE_WCSCOLL) || _LIBC
# define RE_ENABLE_I18N
#endif
diff --git a/posix/sched_getaffinity.c b/posix/sched_getaffinity.c
new file mode 100644
index 0000000000..b2e452f879
--- /dev/null
+++ b/posix/sched_getaffinity.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+#include <sys/types.h>
+
+
+/* Retrieve the CPU affinity mask for a particular process. */
+int
+sched_getaffinity (pid, cpusetsize, cpuset)
+ pid_t pid;
+ size_t cpusetsize;
+ cpu_set_t *cpuset;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_getaffinity)
+#include <stub-tag.h>
diff --git a/posix/sched_getp.c b/posix/sched_getp.c
new file mode 100644
index 0000000000..1ca77893f4
--- /dev/null
+++ b/posix/sched_getp.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sched.h>
+
+
+/* Retrieve scheduling parameters for a particular process. */
+int
+__sched_getparam (pid_t pid, struct sched_param *param)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_getparam)
+
+weak_alias (__sched_getparam, sched_getparam)
+#include <stub-tag.h>
diff --git a/posix/sched_gets.c b/posix/sched_gets.c
new file mode 100644
index 0000000000..479b913f32
--- /dev/null
+++ b/posix/sched_gets.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+#include <sys/types.h>
+
+
+/* Retrieve scheduling algorithm for a particular purpose. */
+int
+__sched_getscheduler (pid_t pid)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_getscheduler)
+
+weak_alias (__sched_getscheduler, sched_getscheduler)
+#include <stub-tag.h>
diff --git a/posix/sched_primax.c b/posix/sched_primax.c
new file mode 100644
index 0000000000..4b3c1cbe67
--- /dev/null
+++ b/posix/sched_primax.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+
+
+/* Get maximum priority value for a scheduler. */
+int
+__sched_get_priority_max (int algorithm)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_get_priority_max)
+
+weak_alias (__sched_get_priority_max, sched_get_priority_max)
+#include <stub-tag.h>
diff --git a/posix/sched_primin.c b/posix/sched_primin.c
new file mode 100644
index 0000000000..813b8f63ca
--- /dev/null
+++ b/posix/sched_primin.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+
+
+/* Get minimum priority value for a scheduler. */
+int
+__sched_get_priority_min (int algorithm)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_get_priority_min)
+
+weak_alias (__sched_get_priority_min, sched_get_priority_min)
+#include <stub-tag.h>
diff --git a/posix/sched_rr_gi.c b/posix/sched_rr_gi.c
new file mode 100644
index 0000000000..f8fec63617
--- /dev/null
+++ b/posix/sched_rr_gi.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+#include <sys/types.h>
+
+
+/* Get the SCHED_RR interval for the named process. */
+int
+__sched_rr_get_interval (pid_t pid, struct timespec *t)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_rr_get_interval)
+
+weak_alias (__sched_rr_get_interval, sched_rr_get_interval)
+#include <stub-tag.h>
diff --git a/posix/sched_setaffinity.c b/posix/sched_setaffinity.c
new file mode 100644
index 0000000000..652163db85
--- /dev/null
+++ b/posix/sched_setaffinity.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sched.h>
+
+
+/* Retrieve the CPU affinity mask for a particular process. */
+int
+sched_setaffinity (pid, cpusetsize, cpuset)
+ pid_t pid;
+ size_t cpusetsize;
+ const cpu_set_t *cpuset;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_setaffinity)
+#include <stub-tag.h>
diff --git a/posix/sched_setp.c b/posix/sched_setp.c
new file mode 100644
index 0000000000..cc451fc131
--- /dev/null
+++ b/posix/sched_setp.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sched.h>
+
+
+/* Set scheduling parameters for a process. */
+int
+__sched_setparam (pid_t pid, const struct sched_param *param)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_setparam)
+
+weak_alias (__sched_setparam, sched_setparam)
+#include <stub-tag.h>
diff --git a/posix/sched_sets.c b/posix/sched_sets.c
new file mode 100644
index 0000000000..631cac228b
--- /dev/null
+++ b/posix/sched_sets.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+#include <sys/types.h>
+
+
+/* Set scheduling algorithm and/or parameters for a process. */
+int
+__sched_setscheduler (pid_t pid, int policy, const struct sched_param *param)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__sched_setscheduler)
+stub_warning (sched_setscheduler)
+
+weak_alias (__sched_setscheduler, sched_setscheduler)
+#include <stub-tag.h>
diff --git a/posix/sched_yield.c b/posix/sched_yield.c
new file mode 100644
index 0000000000..ce41ce9b6f
--- /dev/null
+++ b/posix/sched_yield.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sched.h>
+
+
+/* Yield the processor. */
+int
+__sched_yield (void)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (sched_yield)
+
+weak_alias (__sched_yield, sched_yield)
+#include <stub-tag.h>
diff --git a/posix/setgid.c b/posix/setgid.c
new file mode 100644
index 0000000000..05c2cc6621
--- /dev/null
+++ b/posix/setgid.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Set the group ID of the calling process to GID.
+ If the calling process is the super-user, the real
+ and effective group IDs, and the saved set-group-ID to GID;
+ if not, the effective group ID is set to GID. */
+int
+__setgid (gid)
+ gid_t gid;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (setgid)
+
+weak_alias (__setgid, setgid)
+#include <stub-tag.h>
diff --git a/posix/setlogin.c b/posix/setlogin.c
new file mode 100644
index 0000000000..c16e29dd9e
--- /dev/null
+++ b/posix/setlogin.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Set the login name returned by `getlogin'. */
+int
+setlogin (name)
+ const char *name;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (setlogin)
+#include <stub-tag.h>
diff --git a/posix/setpgid.c b/posix/setpgid.c
new file mode 100644
index 0000000000..cb2abf1159
--- /dev/null
+++ b/posix/setpgid.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Set the process group ID of the process matching PID to PGID.
+ If PID is zero, the current process's process group ID is set.
+ If PGID is zero, the process ID of the process is used. */
+int
+__setpgid (pid, pgid)
+ int pid;
+ int pgid;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__setpgid)
+stub_warning (setpgid)
+
+weak_alias (__setpgid, setpgid)
+#include <stub-tag.h>
diff --git a/posix/setpgrp.c b/posix/setpgrp.c
new file mode 100644
index 0000000000..8ceb159341
--- /dev/null
+++ b/posix/setpgrp.c
@@ -0,0 +1,25 @@
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <unistd.h>
+
+int
+setpgrp ()
+{
+ return __setpgid (0, 0);
+}
diff --git a/posix/setresgid.c b/posix/setresgid.c
new file mode 100644
index 0000000000..78e308c5d0
--- /dev/null
+++ b/posix/setresgid.c
@@ -0,0 +1,35 @@
+/* setresgid -- set effective group ID, real group ID, and saved-set group ID
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Set the effective group ID, real group ID, and saved-set group ID,
+ of the calling process to EGID, RGID, and SGID, respectively. */
+int
+__setresgid (gid_t egid, gid_t rgid, gid_t sgid)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__setresgid)
+stub_warning (setresgid)
+
+weak_alias (__setresgid, setresgid)
+#include <stub-tag.h>
diff --git a/posix/setresuid.c b/posix/setresuid.c
new file mode 100644
index 0000000000..430b63b2fd
--- /dev/null
+++ b/posix/setresuid.c
@@ -0,0 +1,35 @@
+/* setresuid -- set effective user ID, real user ID, and saved-set user ID
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* Set the effective user ID, real user ID, and saved-set user ID,
+ of the calling process to EUID, RUID, and SUID, respectively. */
+int
+__setresuid (uid_t euid, uid_t ruid, uid_t suid)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__setresuid)
+stub_warning (setresuid)
+
+weak_alias (__setresuid, setresuid)
+#include <stub-tag.h>
diff --git a/posix/setsid.c b/posix/setsid.c
new file mode 100644
index 0000000000..6a6712b9bd
--- /dev/null
+++ b/posix/setsid.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+
+/* Create a new session with the calling process as its leader.
+ The process group IDs of the session and the calling process
+ are set to the process ID of the calling process, which is returned. */
+int
+__setsid ()
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (setsid)
+
+weak_alias (__setsid, setsid)
+#include <stub-tag.h>
diff --git a/posix/setuid.c b/posix/setuid.c
new file mode 100644
index 0000000000..96c3e01cb9
--- /dev/null
+++ b/posix/setuid.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+/* Set the user ID of the calling process to UID.
+ If the calling process is the super-user, the real
+ and effective user IDs, and the saved set-user-ID to UID;
+ if not, the effective user ID is set to UID. */
+int
+__setuid (uid)
+ uid_t uid;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (setuid)
+
+weak_alias (__setuid, setuid)
+#include <stub-tag.h>
diff --git a/posix/sleep.c b/posix/sleep.c
new file mode 100644
index 0000000000..f9d2a6593f
--- /dev/null
+++ b/posix/sleep.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <signal.h>
+#include <time.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* Make the process sleep for SECONDS seconds, or until a signal arrives
+ and is not ignored. The function returns the number of seconds less
+ than SECONDS which it actually slept (zero if it slept the full time).
+ If a signal handler does a `longjmp' or modifies the handling of the
+ SIGALRM signal while inside `sleep' call, the handling of the SIGALRM
+ signal afterwards is undefined. There is no return value to indicate
+ error, but if `sleep' returns SECONDS, it probably didn't work. */
+unsigned int
+__sleep (seconds)
+ unsigned int seconds;
+{
+ __set_errno (ENOSYS);
+ return seconds;
+}
+weak_alias (__sleep, sleep)
+
+stub_warning (sleep)
+#include <stub-tag.h>
diff --git a/posix/spawni.c b/posix/spawni.c
new file mode 100644
index 0000000000..c7d5f59ffc
--- /dev/null
+++ b/posix/spawni.c
@@ -0,0 +1,46 @@
+/* Guts of POSIX spawn interface. Stub version.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <spawn.h>
+#include "spawn_int.h"
+
+
+/* The Unix standard contains a long explanation of the way to signal
+ an error after the fork() was successful. Since no new wait status
+ was wanted there is no way to signal an error using one of the
+ available methods. The committee chose to signal an error by a
+ normal program exit with the exit code 127. */
+#define SPAWN_ERROR 127
+
+
+/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
+ Before running the process perform the actions described in FILE-ACTIONS. */
+int
+__spawni (pid_t *pid, const char *file,
+ const posix_spawn_file_actions_t *file_actions,
+ const posix_spawnattr_t *attrp, char *const argv[],
+ char *const envp[], int use_path)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+stub_warning (__spawni)
+#include <stub-tag.h>
diff --git a/posix/sysconf.c b/posix/sysconf.c
new file mode 100644
index 0000000000..f22685cb29
--- /dev/null
+++ b/posix/sysconf.c
@@ -0,0 +1,273 @@
+/* Copyright (C) 1991,1993,1995-1997,2001,2002,2003
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <grp.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <time.h>
+#include <limits.h>
+#include <sys/param.h>
+#include <sys/sysinfo.h>
+
+
+/* Get the value of the system variable NAME. */
+long int
+__sysconf (name)
+ int name;
+{
+ switch (name)
+ {
+ default:
+ __set_errno (EINVAL);
+ return -1;
+
+ case _SC_TZNAME_MAX:
+ return MAX (__tzname_max (), _POSIX_TZNAME_MAX);
+
+ case _SC_CHARCLASS_NAME_MAX:
+#ifdef CHARCLASS_NAME_MAX
+ return CHARCLASS_NAME_MAX;
+#else
+ return -1;
+#endif
+
+ case _SC_COLL_WEIGHTS_MAX:
+#ifdef COLL_WEIGHTS_MAX
+ return COLL_WEIGHTS_MAX;
+#else
+ return -1;
+#endif
+
+ case _SC_EQUIV_CLASS_MAX:
+#ifdef EQUIV_CLASS_MAX
+ return EQUIV_CLASS_MAX;
+#else
+ return -1;
+#endif
+
+ case _SC_2_LOCALEDEF:
+#ifdef _POSIX2_LOCALEDEF
+ return _POSIX2_LOCALEDEF;
+#else
+ return -1;
+#endif
+
+ case _SC_NPROCESSORS_CONF:
+ return __get_nprocs_conf ();
+
+ case _SC_NPROCESSORS_ONLN:
+ return __get_nprocs ();
+
+ case _SC_PHYS_PAGES:
+ return __get_phys_pages ();
+
+ case _SC_AVPHYS_PAGES:
+ return __get_avphys_pages ();
+
+ case _SC_ATEXIT_MAX:
+ /* We have no limit since we use lists. */
+ return INT_MAX;
+
+ case _SC_PASS_MAX:
+ /* We have no limit but since the return value might be used to
+ allocate a buffer we restrict the value. */
+ return BUFSIZ;
+
+ case _SC_CHAR_BIT:
+ return CHAR_BIT;
+
+ case _SC_CHAR_MAX:
+ return CHAR_MAX;
+
+ case _SC_CHAR_MIN:
+ return CHAR_MIN;
+
+ case _SC_INT_MAX:
+ return INT_MAX;
+
+ case _SC_INT_MIN:
+ return INT_MIN;
+
+ case _SC_LONG_BIT:
+ return sizeof (long int) * CHAR_BIT;
+
+ case _SC_WORD_BIT:
+ return sizeof (int) * CHAR_BIT;
+
+ case _SC_MB_LEN_MAX:
+ return MB_LEN_MAX;
+
+ case _SC_NZERO:
+ return NZERO;
+
+ case _SC_SSIZE_MAX:
+ return _POSIX_SSIZE_MAX;
+
+ case _SC_SCHAR_MAX:
+ return SCHAR_MAX;
+
+ case _SC_SCHAR_MIN:
+ return SCHAR_MIN;
+
+ case _SC_SHRT_MAX:
+ return SHRT_MAX;
+
+ case _SC_SHRT_MIN:
+ return SHRT_MIN;
+
+ case _SC_UCHAR_MAX:
+ return UCHAR_MAX;
+
+ case _SC_UINT_MAX:
+ return UINT_MAX;
+
+ case _SC_ULONG_MAX:
+ return ULONG_MAX;
+
+ case _SC_USHRT_MAX:
+ return USHRT_MAX;
+
+ case _SC_GETGR_R_SIZE_MAX:
+ return NSS_BUFLEN_GROUP;
+
+ case _SC_GETPW_R_SIZE_MAX:
+ return NSS_BUFLEN_PASSWD;
+
+ case _SC_ARG_MAX:
+ case _SC_CHILD_MAX:
+ case _SC_CLK_TCK:
+ case _SC_NGROUPS_MAX:
+ case _SC_OPEN_MAX:
+ case _SC_STREAM_MAX:
+ case _SC_JOB_CONTROL:
+ case _SC_SAVED_IDS:
+ case _SC_REALTIME_SIGNALS:
+ case _SC_PRIORITY_SCHEDULING:
+ case _SC_TIMERS:
+ case _SC_ASYNCHRONOUS_IO:
+ case _SC_PRIORITIZED_IO:
+ case _SC_SYNCHRONIZED_IO:
+ case _SC_FSYNC:
+ case _SC_MAPPED_FILES:
+ case _SC_MEMLOCK:
+ case _SC_MEMLOCK_RANGE:
+ case _SC_MEMORY_PROTECTION:
+ case _SC_MESSAGE_PASSING:
+ case _SC_SEMAPHORES:
+ case _SC_SHARED_MEMORY_OBJECTS:
+
+ case _SC_AIO_LISTIO_MAX:
+ case _SC_AIO_MAX:
+ case _SC_AIO_PRIO_DELTA_MAX:
+ case _SC_DELAYTIMER_MAX:
+ case _SC_MQ_OPEN_MAX:
+ case _SC_MQ_PRIO_MAX:
+ case _SC_VERSION:
+ case _SC_PAGESIZE:
+ case _SC_RTSIG_MAX:
+ case _SC_SEM_NSEMS_MAX:
+ case _SC_SEM_VALUE_MAX:
+ case _SC_SIGQUEUE_MAX:
+ case _SC_TIMER_MAX:
+
+ case _SC_PII:
+ case _SC_PII_XTI:
+ case _SC_PII_SOCKET:
+ case _SC_PII_OSI:
+ case _SC_POLL:
+ case _SC_SELECT:
+ case _SC_UIO_MAXIOV:
+ case _SC_PII_INTERNET_STREAM:
+ case _SC_PII_INTERNET_DGRAM:
+ case _SC_PII_OSI_COTS:
+ case _SC_PII_OSI_CLTS:
+ case _SC_PII_OSI_M:
+ case _SC_T_IOV_MAX:
+
+ case _SC_BC_BASE_MAX:
+ case _SC_BC_DIM_MAX:
+ case _SC_BC_SCALE_MAX:
+ case _SC_BC_STRING_MAX:
+ case _SC_EXPR_NEST_MAX:
+ case _SC_LINE_MAX:
+ case _SC_RE_DUP_MAX:
+ case _SC_2_VERSION:
+ case _SC_2_C_BIND:
+ case _SC_2_C_DEV:
+ case _SC_2_FORT_DEV:
+ case _SC_2_SW_DEV:
+ case _SC_2_CHAR_TERM:
+ case _SC_2_C_VERSION:
+ case _SC_2_UPE:
+
+ case _SC_THREADS:
+ case _SC_THREAD_SAFE_FUNCTIONS:
+ case _SC_LOGIN_NAME_MAX:
+ case _SC_TTY_NAME_MAX:
+ case _SC_THREAD_DESTRUCTOR_ITERATIONS:
+ case _SC_THREAD_KEYS_MAX:
+ case _SC_THREAD_STACK_MIN:
+ case _SC_THREAD_THREADS_MAX:
+ case _SC_THREAD_ATTR_STACKADDR:
+ case _SC_THREAD_ATTR_STACKSIZE:
+ case _SC_THREAD_PRIORITY_SCHEDULING:
+ case _SC_THREAD_PRIO_INHERIT:
+ case _SC_THREAD_PRIO_PROTECT:
+ case _SC_THREAD_PROCESS_SHARED:
+
+ case _SC_XOPEN_VERSION:
+ case _SC_XOPEN_XCU_VERSION:
+ case _SC_XOPEN_UNIX:
+ case _SC_XOPEN_CRYPT:
+ case _SC_XOPEN_ENH_I18N:
+ case _SC_XOPEN_SHM:
+ case _SC_XOPEN_XPG2:
+ case _SC_XOPEN_XPG3:
+ case _SC_XOPEN_XPG4:
+
+ case _SC_NL_ARGMAX:
+ case _SC_NL_LANGMAX:
+ case _SC_NL_MSGMAX:
+ case _SC_NL_NMAX:
+ case _SC_NL_SETMAX:
+ case _SC_NL_TEXTMAX:
+
+ case _SC_XBS5_ILP32_OFF32:
+ case _SC_XBS5_ILP32_OFFBIG:
+ case _SC_XBS5_LP64_OFF64:
+ case _SC_XBS5_LPBIG_OFFBIG:
+
+ case _SC_XOPEN_LEGACY:
+ case _SC_XOPEN_REALTIME:
+ case _SC_XOPEN_REALTIME_THREADS:
+
+ break;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+
+weak_alias (__sysconf, sysconf)
+libc_hidden_def (__sysconf)
+
+stub_warning (sysconf)
+#include <stub-tag.h>
diff --git a/posix/times.c b/posix/times.c
new file mode 100644
index 0000000000..b4e08156ae
--- /dev/null
+++ b/posix/times.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/times.h>
+#include <stddef.h>
+
+/* Store the CPU time used by this process and all its
+ dead children (and their dead children) in BUFFER.
+ Return the elapsed real time, or (clock_t) -1 for errors.
+ All times are in CLK_TCKths of a second. */
+clock_t
+__times (buffer)
+ struct tms *buffer;
+{
+ if (buffer == NULL)
+ {
+ __set_errno (EINVAL);
+ return (clock_t) -1;
+ }
+
+ __set_errno (ENOSYS);
+ return (clock_t) -1;
+}
+stub_warning (times)
+
+weak_alias (__times, times)
+#include <stub-tag.h>
diff --git a/posix/uname.c b/posix/uname.c
new file mode 100644
index 0000000000..e7c41648ed
--- /dev/null
+++ b/posix/uname.c
@@ -0,0 +1,66 @@
+/* Copyright (C) 1991,92,96,97,2000,02 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <string.h>
+#include <sys/utsname.h>
+#include <unistd.h>
+
+/* This file is created by the configuration process, and defines UNAME_*. */
+#include <config-name.h>
+
+/* Put information about the system in NAME. */
+int
+__uname (name)
+ struct utsname *name;
+{
+ int save;
+
+ if (name == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ save = errno;
+ if (__gethostname (name->nodename, sizeof (name->nodename)) < 0)
+ {
+ if (errno == ENOSYS)
+ {
+ /* Hostname is meaningless for this machine. */
+ name->nodename[0] = '\0';
+ __set_errno (save);
+ }
+#ifdef ENAMETOOLONG
+ else if (errno == ENAMETOOLONG)
+ /* The name was truncated. */
+ __set_errno (save);
+#endif
+ else
+ return -1;
+ }
+ strncpy (name->sysname, UNAME_SYSNAME, sizeof (name->sysname));
+ strncpy (name->release, UNAME_RELEASE, sizeof (name->release));
+ strncpy (name->version, UNAME_VERSION, sizeof (name->version));
+ strncpy (name->machine, UNAME_MACHINE, sizeof (name->machine));
+
+ return 0;
+}
+weak_alias (__uname, uname)
+libc_hidden_def (__uname)
+libc_hidden_def (uname)
diff --git a/posix/unistd.h b/posix/unistd.h
index 86e0e9e659..9684126eaa 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -742,6 +742,13 @@ extern int ttyslot (void) __THROW;
extern int link (__const char *__from, __const char *__to)
__THROW __nonnull ((1, 2)) __wur;
+#ifdef __USE_GNU
+/* Like link but relative paths in TO and FROM are interpreted relative
+ to FROMFD and TOFD respectively. */
+extern int linkat (int __fromfd, __const char *__from, int __tofd,
+ __const char *__to) __THROW __nonnull ((2, 4)) __wur;
+#endif
+
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K
/* Make a symbolic link to FROM named TO. */
extern int symlink (__const char *__from, __const char *__to)
@@ -754,6 +761,17 @@ extern int readlink (__const char *__restrict __path, char *__restrict __buf,
size_t __len) __THROW __nonnull ((1, 2)) __wur;
#endif /* Use BSD. */
+#ifdef __USE_GNU
+/* Like symlink but a relative path in TO is interpreted relative to TOFD. */
+extern int symlinkat (__const char *__from, int __tofd,
+ __const char *__to) __THROW __nonnull ((1, 3)) __wur;
+
+/* Like readlink but a relative PATH is interpreted relative to FD. */
+extern int readlinkat (int __fd, __const char *__restrict __path,
+ char *__restrict __buf, size_t __len)
+ __THROW __nonnull ((2, 3)) __wur;
+#endif
+
/* Remove the link NAME. */
extern int unlink (__const char *__name) __THROW __nonnull ((1));
diff --git a/posix/vfork.c b/posix/vfork.c
new file mode 100644
index 0000000000..d15841d712
--- /dev/null
+++ b/posix/vfork.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 1992, 1995, 1997, 2000, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <unistd.h>
+
+/* If we don't have vfork, fork is close enough. */
+
+__pid_t
+__vfork (void)
+{
+ return __fork ();
+}
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)
diff --git a/posix/wait.c b/posix/wait.c
new file mode 100644
index 0000000000..b1c512ed39
--- /dev/null
+++ b/posix/wait.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sys/wait.h>
+#include <errno.h>
+
+/* Wait for a child to die. When one does, put its status in *STAT_LOC
+ and return its process ID. For errors, return (pid_t) -1. */
+__pid_t
+__wait (__WAIT_STATUS_DEFN stat_loc)
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (wait)
+
+weak_alias (__wait, wait)
+#include <stub-tag.h>
diff --git a/posix/wait3.c b/posix/wait3.c
new file mode 100644
index 0000000000..479d99e3da
--- /dev/null
+++ b/posix/wait3.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+
+/* Wait for a child to exit. When one does, put its status in *STAT_LOC and
+ return its process ID. For errors return (pid_t) -1. If USAGE is not nil,
+ store information about the child's resource usage (as a `struct rusage')
+ there. If the WUNTRACED bit is set in OPTIONS, return status for stopped
+ children; otherwise don't. */
+pid_t
+__wait3 (__WAIT_STATUS_DEFN stat_loc, int options, struct rusage *usage)
+{
+ if ((options & ~(WNOHANG|WUNTRACED)) != 0)
+ {
+ __set_errno (EINVAL);
+ return (pid_t) -1;
+ }
+
+ __set_errno (ENOSYS);
+ return (pid_t) -1;
+}
+stub_warning (wait3)
+
+weak_alias (__wait3, wait3)
+#include <stub-tag.h>
diff --git a/posix/wait4.c b/posix/wait4.c
new file mode 100644
index 0000000000..b59bf87ffc
--- /dev/null
+++ b/posix/wait4.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <errno.h>
+
+pid_t
+__wait4 (__pid_t pid, __WAIT_STATUS stat_loc, int options,
+ struct rusage *usage)
+{
+ __set_errno (ENOSYS);
+ return (pid_t) -1;
+}
+stub_warning (wait4)
+
+weak_alias (__wait4, wait4)
+#include <stub-tag.h>
diff --git a/posix/waitid.c b/posix/waitid.c
new file mode 100644
index 0000000000..a9de1a19a5
--- /dev/null
+++ b/posix/waitid.c
@@ -0,0 +1,35 @@
+/* Stub version of waitid.
+ Copyright (C) 1997, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int
+__waitid (idtype, id, infop, options)
+ idtype_t idtype;
+ id_t id;
+ siginfo_t *infop;
+ int options;
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+weak_alias (__waitid, waitid)
diff --git a/posix/waitpid.c b/posix/waitpid.c
new file mode 100644
index 0000000000..9c7736e669
--- /dev/null
+++ b/posix/waitpid.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 1991,95,96,97,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+
+
+/* Wait for a child matching PID to die.
+ If PID is greater than 0, match any process whose process ID is PID.
+ If PID is (pid_t) -1, match any process.
+ If PID is (pid_t) 0, match any process with the
+ same process group as the current process.
+ If PID is less than -1, match any process whose
+ process group is the absolute value of PID.
+ If the WNOHANG bit is set in OPTIONS, and that child
+ is not already dead, return (pid_t) 0. If successful,
+ return PID and store the dead child's status in STAT_LOC.
+ Return (pid_t) -1 for errors. If the WUNTRACED bit is set in OPTIONS,
+ return status for stopped children; otherwise don't. */
+pid_t
+__libc_waitpid (pid_t pid, int *stat_loc, int options)
+{
+ if ((options & ~(WNOHANG|WUNTRACED)) != 0)
+ {
+ __set_errno (EINVAL);
+ return (pid_t) -1;
+ }
+
+ __set_errno (ENOSYS);
+ return (pid_t) -1;
+}
+weak_alias (__libc_waitpid, __waitpid)
+libc_hidden_weak (__waitpid)
+weak_alias (__libc_waitpid, waitpid)
+
+stub_warning (waitpid)
+#include <stub-tag.h>
diff --git a/posix/wordexp.c b/posix/wordexp.c
new file mode 100644
index 0000000000..2eb58089c4
--- /dev/null
+++ b/posix/wordexp.c
@@ -0,0 +1,2457 @@
+/* POSIX.2 wordexp implementation.
+ Copyright (C) 1997-2002, 2003, 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Tim Waugh <tim@cyberelk.demon.co.uk>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <alloca.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fnmatch.h>
+#include <glob.h>
+#include <libintl.h>
+#include <paths.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#ifdef USE_IN_LIBIO
+# include <wchar.h>
+#endif
+#include <wordexp.h>
+
+#include <bits/libc-lock.h>
+#include <stdio-common/_itoa.h>
+
+/* Undefine the following line for the production version. */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
+/* Get some device information. */
+#include <device-nrs.h>
+
+/*
+ * This is a recursive-descent-style word expansion routine.
+ */
+
+/* These variables are defined and initialized in the startup code. */
+extern int __libc_argc attribute_hidden;
+extern char **__libc_argv attribute_hidden;
+
+/* Some forward declarations */
+static int parse_dollars (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags,
+ wordexp_t *pwordexp, const char *ifs,
+ const char *ifs_white, int quoted)
+ internal_function;
+static int parse_backtick (char **word, size_t *word_length,
+ size_t *max_length, const char *words,
+ size_t *offset, int flags, wordexp_t *pwordexp,
+ const char *ifs, const char *ifs_white)
+ internal_function;
+static int parse_dquote (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags,
+ wordexp_t *pwordexp, const char *ifs,
+ const char *ifs_white)
+ internal_function;
+static int eval_expr (char *expr, long int *result) internal_function;
+
+/* The w_*() functions manipulate word lists. */
+
+#define W_CHUNK (100)
+
+/* Result of w_newword will be ignored if it's the last word. */
+static inline char *
+w_newword (size_t *actlen, size_t *maxlen)
+{
+ *actlen = *maxlen = 0;
+ return NULL;
+}
+
+static char *
+w_addchar (char *buffer, size_t *actlen, size_t *maxlen, char ch)
+ /* (lengths exclude trailing zero) */
+{
+ /* Add a character to the buffer, allocating room for it if needed. */
+
+ if (*actlen == *maxlen)
+ {
+ char *old_buffer = buffer;
+ assert (buffer == NULL || *maxlen != 0);
+ *maxlen += W_CHUNK;
+ buffer = (char *) realloc (buffer, 1 + *maxlen);
+
+ if (buffer == NULL)
+ free (old_buffer);
+ }
+
+ if (buffer != NULL)
+ {
+ buffer[*actlen] = ch;
+ buffer[++(*actlen)] = '\0';
+ }
+
+ return buffer;
+}
+
+static char *
+internal_function
+w_addmem (char *buffer, size_t *actlen, size_t *maxlen, const char *str,
+ size_t len)
+{
+ /* Add a string to the buffer, allocating room for it if needed.
+ */
+ if (*actlen + len > *maxlen)
+ {
+ char *old_buffer = buffer;
+ assert (buffer == NULL || *maxlen != 0);
+ *maxlen += MAX (2 * len, W_CHUNK);
+ buffer = realloc (old_buffer, 1 + *maxlen);
+
+ if (buffer == NULL)
+ free (old_buffer);
+ }
+
+ if (buffer != NULL)
+ {
+ *((char *) __mempcpy (&buffer[*actlen], str, len)) = '\0';
+ *actlen += len;
+ }
+
+ return buffer;
+}
+
+static char *
+internal_function
+w_addstr (char *buffer, size_t *actlen, size_t *maxlen, const char *str)
+ /* (lengths exclude trailing zero) */
+{
+ /* Add a string to the buffer, allocating room for it if needed.
+ */
+ size_t len;
+
+ assert (str != NULL); /* w_addstr only called from this file */
+ len = strlen (str);
+
+ return w_addmem (buffer, actlen, maxlen, str, len);
+}
+
+static int
+internal_function
+w_addword (wordexp_t *pwordexp, char *word)
+{
+ /* Add a word to the wordlist */
+ size_t num_p;
+ char **new_wordv;
+
+ /* Internally, NULL acts like "". Convert NULLs to "" before
+ * the caller sees them.
+ */
+ if (word == NULL)
+ {
+ word = __strdup ("");
+ if (word == NULL)
+ goto no_space;
+ }
+
+ num_p = 2 + pwordexp->we_wordc + pwordexp->we_offs;
+ new_wordv = realloc (pwordexp->we_wordv, sizeof (char *) * num_p);
+ if (new_wordv != NULL)
+ {
+ pwordexp->we_wordv = new_wordv;
+ pwordexp->we_wordv[pwordexp->we_offs + pwordexp->we_wordc++] = word;
+ pwordexp->we_wordv[pwordexp->we_offs + pwordexp->we_wordc] = NULL;
+ return 0;
+ }
+
+no_space:
+ return WRDE_NOSPACE;
+}
+
+/* The parse_*() functions should leave *offset being the offset in 'words'
+ * to the last character processed.
+ */
+
+static int
+internal_function
+parse_backslash (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset)
+{
+ /* We are poised _at_ a backslash, not in quotes */
+
+ switch (words[1 + *offset])
+ {
+ case 0:
+ /* Backslash is last character of input words */
+ return WRDE_SYNTAX;
+
+ case '\n':
+ ++(*offset);
+ break;
+
+ default:
+ *word = w_addchar (*word, word_length, max_length, words[1 + *offset]);
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+
+ ++(*offset);
+ break;
+ }
+
+ return 0;
+}
+
+static int
+internal_function
+parse_qtd_backslash (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset)
+{
+ /* We are poised _at_ a backslash, inside quotes */
+
+ switch (words[1 + *offset])
+ {
+ case 0:
+ /* Backslash is last character of input words */
+ return WRDE_SYNTAX;
+
+ case '\n':
+ ++(*offset);
+ break;
+
+ case '$':
+ case '`':
+ case '"':
+ case '\\':
+ *word = w_addchar (*word, word_length, max_length, words[1 + *offset]);
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+
+ ++(*offset);
+ break;
+
+ default:
+ *word = w_addchar (*word, word_length, max_length, words[*offset]);
+ if (*word != NULL)
+ *word = w_addchar (*word, word_length, max_length, words[1 + *offset]);
+
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+
+ ++(*offset);
+ break;
+ }
+
+ return 0;
+}
+
+static int
+internal_function
+parse_tilde (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, size_t wordc)
+{
+ /* We are poised _at_ a tilde */
+ size_t i;
+
+ if (*word_length != 0)
+ {
+ if (!((*word)[*word_length - 1] == '=' && wordc == 0))
+ {
+ if (!((*word)[*word_length - 1] == ':'
+ && strchr (*word, '=') && wordc == 0))
+ {
+ *word = w_addchar (*word, word_length, max_length, '~');
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+ }
+ }
+
+ for (i = 1 + *offset; words[i]; i++)
+ {
+ if (words[i] == ':' || words[i] == '/' || words[i] == ' ' ||
+ words[i] == '\t' || words[i] == 0 )
+ break;
+
+ if (words[i] == '\\')
+ {
+ *word = w_addchar (*word, word_length, max_length, '~');
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+ }
+
+ if (i == 1 + *offset)
+ {
+ /* Tilde appears on its own */
+ uid_t uid;
+ struct passwd pwd, *tpwd;
+ int buflen = 1000;
+ char* home;
+ char* buffer;
+ int result;
+
+ /* POSIX.2 says ~ expands to $HOME and if HOME is unset the
+ results are unspecified. We do a lookup on the uid if
+ HOME is unset. */
+
+ home = getenv ("HOME");
+ if (home != NULL)
+ {
+ *word = w_addstr (*word, word_length, max_length, home);
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+ }
+ else
+ {
+ uid = __getuid ();
+ buffer = __alloca (buflen);
+
+ while ((result = __getpwuid_r (uid, &pwd, buffer, buflen, &tpwd)) != 0
+ && errno == ERANGE)
+ buffer = extend_alloca (buffer, buflen, buflen + 1000);
+
+ if (result == 0 && tpwd != NULL && pwd.pw_dir != NULL)
+ {
+ *word = w_addstr (*word, word_length, max_length, pwd.pw_dir);
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+ }
+ else
+ {
+ *word = w_addchar (*word, word_length, max_length, '~');
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+ }
+ }
+ }
+ else
+ {
+ /* Look up user name in database to get home directory */
+ char *user = strndupa (&words[1 + *offset], i - (1 + *offset));
+ struct passwd pwd, *tpwd;
+ int buflen = 1000;
+ char* buffer = __alloca (buflen);
+ int result;
+
+ while ((result = __getpwnam_r (user, &pwd, buffer, buflen, &tpwd)) != 0
+ && errno == ERANGE)
+ buffer = extend_alloca (buffer, buflen, buflen + 1000);
+
+ if (result == 0 && tpwd != NULL && pwd.pw_dir)
+ *word = w_addstr (*word, word_length, max_length, pwd.pw_dir);
+ else
+ {
+ /* (invalid login name) */
+ *word = w_addchar (*word, word_length, max_length, '~');
+ if (*word != NULL)
+ *word = w_addstr (*word, word_length, max_length, user);
+ }
+
+ *offset = i - 1;
+ }
+ return *word ? 0 : WRDE_NOSPACE;
+}
+
+
+static int
+internal_function
+do_parse_glob (const char *glob_word, char **word, size_t *word_length,
+ size_t *max_length, wordexp_t *pwordexp, const char *ifs,
+ const char *ifs_white)
+{
+ int error;
+ unsigned int match;
+ glob_t globbuf;
+
+ error = glob (glob_word, GLOB_NOCHECK, NULL, &globbuf);
+
+ if (error != 0)
+ {
+ /* We can only run into memory problems. */
+ assert (error == GLOB_NOSPACE);
+ return WRDE_NOSPACE;
+ }
+
+ if (ifs && !*ifs)
+ {
+ /* No field splitting allowed. */
+ assert (globbuf.gl_pathv[0] != NULL);
+ *word = w_addstr (*word, word_length, max_length, globbuf.gl_pathv[0]);
+ for (match = 1; match < globbuf.gl_pathc && *word != NULL; ++match)
+ {
+ *word = w_addchar (*word, word_length, max_length, ' ');
+ if (*word != NULL)
+ *word = w_addstr (*word, word_length, max_length,
+ globbuf.gl_pathv[match]);
+ }
+
+ globfree (&globbuf);
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+
+ assert (ifs == NULL || *ifs != '\0');
+ if (*word != NULL)
+ {
+ free (*word);
+ *word = w_newword (word_length, max_length);
+ }
+
+ for (match = 0; match < globbuf.gl_pathc; ++match)
+ {
+ char *matching_word = __strdup (globbuf.gl_pathv[match]);
+ if (matching_word == NULL || w_addword (pwordexp, matching_word))
+ {
+ globfree (&globbuf);
+ return WRDE_NOSPACE;
+ }
+ }
+
+ globfree (&globbuf);
+ return 0;
+}
+
+static int
+internal_function
+parse_glob (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags,
+ wordexp_t *pwordexp, const char *ifs, const char *ifs_white)
+{
+ /* We are poised just after a '*', a '[' or a '?'. */
+ int error = WRDE_NOSPACE;
+ int quoted = 0; /* 1 if singly-quoted, 2 if doubly */
+ size_t i;
+ wordexp_t glob_list; /* List of words to glob */
+
+ glob_list.we_wordc = 0;
+ glob_list.we_wordv = NULL;
+ glob_list.we_offs = 0;
+ for (; words[*offset] != '\0'; ++*offset)
+ {
+ if ((ifs && strchr (ifs, words[*offset])) ||
+ (!ifs && strchr (" \t\n", words[*offset])))
+ /* Reached IFS */
+ break;
+
+ /* Sort out quoting */
+ if (words[*offset] == '\'')
+ {
+ if (quoted == 0)
+ {
+ quoted = 1;
+ continue;
+ }
+ else if (quoted == 1)
+ {
+ quoted = 0;
+ continue;
+ }
+ }
+ else if (words[*offset] == '"')
+ {
+ if (quoted == 0)
+ {
+ quoted = 2;
+ continue;
+ }
+ else if (quoted == 2)
+ {
+ quoted = 0;
+ continue;
+ }
+ }
+
+ /* Sort out other special characters */
+ if (quoted != 1 && words[*offset] == '$')
+ {
+ error = parse_dollars (word, word_length, max_length, words,
+ offset, flags, &glob_list, ifs, ifs_white,
+ quoted == 2);
+ if (error)
+ goto tidy_up;
+
+ continue;
+ }
+ else if (words[*offset] == '\\')
+ {
+ if (quoted)
+ error = parse_qtd_backslash (word, word_length, max_length,
+ words, offset);
+ else
+ error = parse_backslash (word, word_length, max_length,
+ words, offset);
+
+ if (error)
+ goto tidy_up;
+
+ continue;
+ }
+
+ *word = w_addchar (*word, word_length, max_length, words[*offset]);
+ if (*word == NULL)
+ goto tidy_up;
+ }
+
+ /* Don't forget to re-parse the character we stopped at. */
+ --*offset;
+
+ /* Glob the words */
+ error = w_addword (&glob_list, *word);
+ *word = w_newword (word_length, max_length);
+ for (i = 0; error == 0 && i < glob_list.we_wordc; i++)
+ error = do_parse_glob (glob_list.we_wordv[i], word, word_length,
+ max_length, pwordexp, ifs, ifs_white);
+
+ /* Now tidy up */
+tidy_up:
+ wordfree (&glob_list);
+ return error;
+}
+
+static int
+internal_function
+parse_squote (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset)
+{
+ /* We are poised just after a single quote */
+ for (; words[*offset]; ++(*offset))
+ {
+ if (words[*offset] != '\'')
+ {
+ *word = w_addchar (*word, word_length, max_length, words[*offset]);
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+ }
+ else return 0;
+ }
+
+ /* Unterminated string */
+ return WRDE_SYNTAX;
+}
+
+/* Functions to evaluate an arithmetic expression */
+static int
+internal_function
+eval_expr_val (char **expr, long int *result)
+{
+ char *digit;
+
+ /* Skip white space */
+ for (digit = *expr; digit && *digit && isspace (*digit); ++digit);
+
+ if (*digit == '(')
+ {
+ /* Scan for closing paren */
+ for (++digit; **expr && **expr != ')'; ++(*expr));
+
+ /* Is there one? */
+ if (!**expr)
+ return WRDE_SYNTAX;
+
+ *(*expr)++ = 0;
+
+ if (eval_expr (digit, result))
+ return WRDE_SYNTAX;
+
+ return 0;
+ }
+
+ /* POSIX requires that decimal, octal, and hexadecimal constants are
+ recognized. Therefore we pass 0 as the third parameter to strtol. */
+ *result = strtol (digit, expr, 0);
+ if (digit == *expr)
+ return WRDE_SYNTAX;
+
+ return 0;
+}
+
+static int
+internal_function
+eval_expr_multdiv (char **expr, long int *result)
+{
+ long int arg;
+
+ /* Read a Value */
+ if (eval_expr_val (expr, result) != 0)
+ return WRDE_SYNTAX;
+
+ while (**expr)
+ {
+ /* Skip white space */
+ for (; *expr && **expr && isspace (**expr); ++(*expr));
+
+ if (**expr == '*')
+ {
+ ++(*expr);
+ if (eval_expr_val (expr, &arg) != 0)
+ return WRDE_SYNTAX;
+
+ *result *= arg;
+ }
+ else if (**expr == '/')
+ {
+ ++(*expr);
+ if (eval_expr_val (expr, &arg) != 0)
+ return WRDE_SYNTAX;
+
+ *result /= arg;
+ }
+ else break;
+ }
+
+ return 0;
+}
+
+static int
+internal_function
+eval_expr (char *expr, long int *result)
+{
+ long int arg;
+
+ /* Read a Multdiv */
+ if (eval_expr_multdiv (&expr, result) != 0)
+ return WRDE_SYNTAX;
+
+ while (*expr)
+ {
+ /* Skip white space */
+ for (; expr && *expr && isspace (*expr); ++expr);
+
+ if (*expr == '+')
+ {
+ ++expr;
+ if (eval_expr_multdiv (&expr, &arg) != 0)
+ return WRDE_SYNTAX;
+
+ *result += arg;
+ }
+ else if (*expr == '-')
+ {
+ ++expr;
+ if (eval_expr_multdiv (&expr, &arg) != 0)
+ return WRDE_SYNTAX;
+
+ *result -= arg;
+ }
+ else break;
+ }
+
+ return 0;
+}
+
+static int
+internal_function
+parse_arith (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags, int bracket)
+{
+ /* We are poised just after "$((" or "$[" */
+ int error;
+ int paren_depth = 1;
+ size_t expr_length;
+ size_t expr_maxlen;
+ char *expr;
+
+ expr = w_newword (&expr_length, &expr_maxlen);
+ for (; words[*offset]; ++(*offset))
+ {
+ switch (words[*offset])
+ {
+ case '$':
+ error = parse_dollars (&expr, &expr_length, &expr_maxlen,
+ words, offset, flags, NULL, NULL, NULL, 1);
+ /* The ``1'' here is to tell parse_dollars not to
+ * split the fields.
+ */
+ if (error)
+ {
+ free (expr);
+ return error;
+ }
+ break;
+
+ case '`':
+ (*offset)++;
+ error = parse_backtick (&expr, &expr_length, &expr_maxlen,
+ words, offset, flags, NULL, NULL, NULL);
+ /* The first NULL here is to tell parse_backtick not to
+ * split the fields.
+ */
+ if (error)
+ {
+ free (expr);
+ return error;
+ }
+ break;
+
+ case '\\':
+ error = parse_qtd_backslash (&expr, &expr_length, &expr_maxlen,
+ words, offset);
+ if (error)
+ {
+ free (expr);
+ return error;
+ }
+ /* I think that a backslash within an
+ * arithmetic expansion is bound to
+ * cause an error sooner or later anyway though.
+ */
+ break;
+
+ case ')':
+ if (--paren_depth == 0)
+ {
+ char result[21]; /* 21 = ceil(log10(2^64)) + 1 */
+ long int numresult = 0;
+ long long int convertme;
+
+ if (bracket || words[1 + *offset] != ')')
+ {
+ free (expr);
+ return WRDE_SYNTAX;
+ }
+
+ ++(*offset);
+
+ /* Go - evaluate. */
+ if (*expr && eval_expr (expr, &numresult) != 0)
+ {
+ free (expr);
+ return WRDE_SYNTAX;
+ }
+
+ if (numresult < 0)
+ {
+ convertme = -numresult;
+ *word = w_addchar (*word, word_length, max_length, '-');
+ if (!*word)
+ {
+ free (expr);
+ return WRDE_NOSPACE;
+ }
+ }
+ else
+ convertme = numresult;
+
+ result[20] = '\0';
+ *word = w_addstr (*word, word_length, max_length,
+ _itoa (convertme, &result[20], 10, 0));
+ free (expr);
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+ expr = w_addchar (expr, &expr_length, &expr_maxlen, words[*offset]);
+ if (expr == NULL)
+ return WRDE_NOSPACE;
+
+ break;
+
+ case ']':
+ if (bracket && paren_depth == 1)
+ {
+ char result[21]; /* 21 = ceil(log10(2^64)) + 1 */
+ long int numresult = 0;
+
+ /* Go - evaluate. */
+ if (*expr && eval_expr (expr, &numresult) != 0)
+ {
+ free (expr);
+ return WRDE_SYNTAX;
+ }
+
+ result[20] = '\0';
+ *word = w_addstr (*word, word_length, max_length,
+ _itoa_word (numresult, &result[20], 10, 0));
+ free (expr);
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+
+ free (expr);
+ return WRDE_SYNTAX;
+
+ case '\n':
+ case ';':
+ case '{':
+ case '}':
+ free (expr);
+ return WRDE_BADCHAR;
+
+ case '(':
+ ++paren_depth;
+ default:
+ expr = w_addchar (expr, &expr_length, &expr_maxlen, words[*offset]);
+ if (expr == NULL)
+ return WRDE_NOSPACE;
+ }
+ }
+
+ /* Premature end */
+ free (expr);
+ return WRDE_SYNTAX;
+}
+
+/* Function called by child process in exec_comm() */
+static inline void
+internal_function __attribute__ ((always_inline))
+exec_comm_child (char *comm, int *fildes, int showerr, int noexec)
+{
+ const char *args[4] = { _PATH_BSHELL, "-c", comm, NULL };
+
+ /* Execute the command, or just check syntax? */
+ if (noexec)
+ args[1] = "-nc";
+
+ /* Redirect output. */
+ __dup2 (fildes[1], STDOUT_FILENO);
+ __close (fildes[1]);
+
+ /* Redirect stderr to /dev/null if we have to. */
+ if (showerr == 0)
+ {
+ struct stat64 st;
+ int fd;
+ __close (2);
+ fd = __open (_PATH_DEVNULL, O_WRONLY);
+ if (fd >= 0 && fd != 2)
+ {
+ __dup2 (fd, STDERR_FILENO);
+ __close (fd);
+ }
+ /* Be paranoid. Check that we actually opened the /dev/null
+ device. */
+ if (__builtin_expect (__fxstat64 (_STAT_VER, STDERR_FILENO, &st), 0) != 0
+ || __builtin_expect (S_ISCHR (st.st_mode), 1) == 0
+#if defined DEV_NULL_MAJOR && defined DEV_NULL_MINOR
+ || st.st_rdev != makedev (DEV_NULL_MAJOR, DEV_NULL_MINOR)
+#endif
+ )
+ /* It's not the /dev/null device. Stop right here. The
+ problem is: how do we stop? We use _exit() with an
+ hopefully unusual exit code. */
+ _exit (90);
+ }
+
+ /* Make sure the subshell doesn't field-split on our behalf. */
+ __unsetenv ("IFS");
+
+ __close (fildes[0]);
+ __execve (_PATH_BSHELL, (char *const *) args, __environ);
+
+ /* Bad. What now? */
+ abort ();
+}
+
+/* Function to execute a command and retrieve the results */
+/* pwordexp contains NULL if field-splitting is forbidden */
+static int
+internal_function
+exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length,
+ int flags, wordexp_t *pwordexp, const char *ifs,
+ const char *ifs_white)
+{
+ int fildes[2];
+#define bufsize 128
+ int buflen;
+ int i;
+ int status = 0;
+ size_t maxnewlines = 0;
+ char buffer[bufsize];
+ pid_t pid;
+ int noexec = 0;
+
+ /* Don't fork() unless necessary */
+ if (!comm || !*comm)
+ return 0;
+
+ if (__pipe (fildes))
+ /* Bad */
+ return WRDE_NOSPACE;
+
+ again:
+ if ((pid = __fork ()) < 0)
+ {
+ /* Bad */
+ if (fildes[0] != -1)
+ __close (fildes[0]);
+ if (fildes[1] != -1)
+ __close (fildes[1]);
+ return WRDE_NOSPACE;
+ }
+
+ if (pid == 0)
+ exec_comm_child (comm, fildes, noexec ? 0 : flags & WRDE_SHOWERR, noexec);
+
+ /* Parent */
+
+ /* If we are just testing the syntax, only wait. */
+ if (noexec)
+ return (TEMP_FAILURE_RETRY (__waitpid (pid, &status, 0)) == pid
+ && status != 0) ? WRDE_SYNTAX : 0;
+
+ __close (fildes[1]);
+ fildes[1] = -1;
+
+ if (!pwordexp)
+ /* Quoted - no field splitting */
+ {
+ while (1)
+ {
+ if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer,
+ bufsize))) < 1)
+ {
+ if (TEMP_FAILURE_RETRY (__waitpid (pid, &status, WNOHANG)) == 0)
+ continue;
+ if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer,
+ bufsize))) < 1)
+ break;
+ }
+
+ maxnewlines += buflen;
+
+ *word = w_addmem (*word, word_length, max_length, buffer, buflen);
+ if (*word == NULL)
+ goto no_space;
+ }
+ }
+ else
+ /* Not quoted - split fields */
+ {
+ int copying = 0;
+ /* 'copying' is:
+ * 0 when searching for first character in a field not IFS white space
+ * 1 when copying the text of a field
+ * 2 when searching for possible non-whitespace IFS
+ * 3 when searching for non-newline after copying field
+ */
+
+ while (1)
+ {
+ if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer,
+ bufsize))) < 1)
+ {
+ if (TEMP_FAILURE_RETRY (__waitpid (pid, &status, WNOHANG)) == 0)
+ continue;
+ if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer,
+ bufsize))) < 1)
+ break;
+ }
+
+ for (i = 0; i < buflen; ++i)
+ {
+ if (strchr (ifs, buffer[i]) != NULL)
+ {
+ /* Current character is IFS */
+ if (strchr (ifs_white, buffer[i]) == NULL)
+ {
+ /* Current character is IFS but not whitespace */
+ if (copying == 2)
+ {
+ /* current character
+ * |
+ * V
+ * eg: text<space><comma><space>moretext
+ *
+ * So, strip whitespace IFS (like at the start)
+ */
+ copying = 0;
+ continue;
+ }
+
+ copying = 0;
+ /* fall through and delimit field.. */
+ }
+ else
+ {
+ if (buffer[i] == '\n')
+ {
+ /* Current character is (IFS) newline */
+
+ /* If copying a field, this is the end of it,
+ but maybe all that's left is trailing newlines.
+ So start searching for a non-newline. */
+ if (copying == 1)
+ copying = 3;
+
+ continue;
+ }
+ else
+ {
+ /* Current character is IFS white space, but
+ not a newline */
+
+ /* If not either copying a field or searching
+ for non-newline after a field, ignore it */
+ if (copying != 1 && copying != 3)
+ continue;
+
+ /* End of field (search for non-ws IFS afterwards) */
+ copying = 2;
+ }
+ }
+
+ /* First IFS white space (non-newline), or IFS non-whitespace.
+ * Delimit the field. Nulls are converted by w_addword. */
+ if (w_addword (pwordexp, *word) == WRDE_NOSPACE)
+ goto no_space;
+
+ *word = w_newword (word_length, max_length);
+
+ maxnewlines = 0;
+ /* fall back round the loop.. */
+ }
+ else
+ {
+ /* Not IFS character */
+
+ if (copying == 3)
+ {
+ /* Nothing but (IFS) newlines since the last field,
+ so delimit it here before starting new word */
+ if (w_addword (pwordexp, *word) == WRDE_NOSPACE)
+ goto no_space;
+
+ *word = w_newword (word_length, max_length);
+ }
+
+ copying = 1;
+
+ if (buffer[i] == '\n') /* happens if newline not in IFS */
+ maxnewlines++;
+ else
+ maxnewlines = 0;
+
+ *word = w_addchar (*word, word_length, max_length,
+ buffer[i]);
+ if (*word == NULL)
+ goto no_space;
+ }
+ }
+ }
+ }
+
+ /* Chop off trailing newlines (required by POSIX.2) */
+ /* Ensure we don't go back further than the beginning of the
+ substitution (i.e. remove maxnewlines bytes at most) */
+ while (maxnewlines-- != 0 &&
+ *word_length > 0 && (*word)[*word_length - 1] == '\n')
+ {
+ (*word)[--*word_length] = '\0';
+
+ /* If the last word was entirely newlines, turn it into a new word
+ * which can be ignored if there's nothing following it. */
+ if (*word_length == 0)
+ {
+ free (*word);
+ *word = w_newword (word_length, max_length);
+ break;
+ }
+ }
+
+ __close (fildes[0]);
+ fildes[0] = -1;
+
+ /* Check for syntax error (re-execute but with "-n" flag) */
+ if (buflen < 1 && status != 0)
+ {
+ noexec = 1;
+ goto again;
+ }
+
+ return 0;
+
+no_space:
+ __kill (pid, SIGKILL);
+ TEMP_FAILURE_RETRY (__waitpid (pid, NULL, 0));
+ __close (fildes[0]);
+ return WRDE_NOSPACE;
+}
+
+static int
+internal_function
+parse_comm (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags, wordexp_t *pwordexp,
+ const char *ifs, const char *ifs_white)
+{
+ /* We are poised just after "$(" */
+ int paren_depth = 1;
+ int error = 0;
+ int quoted = 0; /* 1 for singly-quoted, 2 for doubly-quoted */
+ size_t comm_length;
+ size_t comm_maxlen;
+ char *comm = w_newword (&comm_length, &comm_maxlen);
+
+ for (; words[*offset]; ++(*offset))
+ {
+ switch (words[*offset])
+ {
+ case '\'':
+ if (quoted == 0)
+ quoted = 1;
+ else if (quoted == 1)
+ quoted = 0;
+
+ break;
+
+ case '"':
+ if (quoted == 0)
+ quoted = 2;
+ else if (quoted == 2)
+ quoted = 0;
+
+ break;
+
+ case ')':
+ if (!quoted && --paren_depth == 0)
+ {
+ /* Go -- give script to the shell */
+ if (comm)
+ {
+#ifdef __libc_ptf_call
+ /* We do not want the exec_comm call to be cut short
+ by a thread cancellation since cleanup is very
+ ugly. Therefore disable cancellation for
+ now. */
+ // XXX Ideally we do want the thread being cancelable.
+ // XXX If demand is there we'll change it.
+ int state = PTHREAD_CANCEL_ENABLE;
+ __libc_ptf_call (pthread_setcancelstate,
+ (PTHREAD_CANCEL_DISABLE, &state), 0);
+#endif
+
+ error = exec_comm (comm, word, word_length, max_length,
+ flags, pwordexp, ifs, ifs_white);
+
+#ifdef __libc_ptf_call
+ __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0);
+#endif
+
+ free (comm);
+ }
+
+ return error;
+ }
+
+ /* This is just part of the script */
+ break;
+
+ case '(':
+ if (!quoted)
+ ++paren_depth;
+ }
+
+ comm = w_addchar (comm, &comm_length, &comm_maxlen, words[*offset]);
+ if (comm == NULL)
+ return WRDE_NOSPACE;
+ }
+
+ /* Premature end */
+ if (comm)
+ free (comm);
+
+ return WRDE_SYNTAX;
+}
+
+static int
+internal_function
+parse_param (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags, wordexp_t *pwordexp,
+ const char *ifs, const char *ifs_white, int quoted)
+{
+ /* We are poised just after "$" */
+ enum action
+ {
+ ACT_NONE,
+ ACT_RP_SHORT_LEFT = '#',
+ ACT_RP_LONG_LEFT = 'L',
+ ACT_RP_SHORT_RIGHT = '%',
+ ACT_RP_LONG_RIGHT = 'R',
+ ACT_NULL_ERROR = '?',
+ ACT_NULL_SUBST = '-',
+ ACT_NONNULL_SUBST = '+',
+ ACT_NULL_ASSIGN = '='
+ };
+ size_t env_length;
+ size_t env_maxlen;
+ size_t pat_length;
+ size_t pat_maxlen;
+ size_t start = *offset;
+ char *env;
+ char *pattern;
+ char *value = NULL;
+ enum action action = ACT_NONE;
+ int depth = 0;
+ int colon_seen = 0;
+ int seen_hash = 0;
+ int free_value = 0;
+ int pattern_is_quoted = 0; /* 1 for singly-quoted, 2 for doubly-quoted */
+ int error;
+ int special = 0;
+ char buffer[21];
+ int brace = words[*offset] == '{';
+
+ env = w_newword (&env_length, &env_maxlen);
+ pattern = w_newword (&pat_length, &pat_maxlen);
+
+ if (brace)
+ ++*offset;
+
+ /* First collect the parameter name. */
+
+ if (words[*offset] == '#')
+ {
+ seen_hash = 1;
+ if (!brace)
+ goto envsubst;
+ ++*offset;
+ }
+
+ if (isalpha (words[*offset]) || words[*offset] == '_')
+ {
+ /* Normal parameter name. */
+ do
+ {
+ env = w_addchar (env, &env_length, &env_maxlen,
+ words[*offset]);
+ if (env == NULL)
+ goto no_space;
+ }
+ while (isalnum (words[++*offset]) || words[*offset] == '_');
+ }
+ else if (isdigit (words[*offset]))
+ {
+ /* Numeric parameter name. */
+ special = 1;
+ do
+ {
+ env = w_addchar (env, &env_length, &env_maxlen,
+ words[*offset]);
+ if (env == NULL)
+ goto no_space;
+ if (!brace)
+ goto envsubst;
+ }
+ while (isdigit(words[++*offset]));
+ }
+ else if (strchr ("*@$", words[*offset]) != NULL)
+ {
+ /* Special parameter. */
+ special = 1;
+ env = w_addchar (env, &env_length, &env_maxlen,
+ words[*offset]);
+ if (env == NULL)
+ goto no_space;
+ ++*offset;
+ }
+ else
+ {
+ if (brace)
+ goto syntax;
+ }
+
+ if (brace)
+ {
+ /* Check for special action to be applied to the value. */
+ switch (words[*offset])
+ {
+ case '}':
+ /* Evaluate. */
+ goto envsubst;
+
+ case '#':
+ action = ACT_RP_SHORT_LEFT;
+ if (words[1 + *offset] == '#')
+ {
+ ++*offset;
+ action = ACT_RP_LONG_LEFT;
+ }
+ break;
+
+ case '%':
+ action = ACT_RP_SHORT_RIGHT;
+ if (words[1 + *offset] == '%')
+ {
+ ++*offset;
+ action = ACT_RP_LONG_RIGHT;
+ }
+ break;
+
+ case ':':
+ if (strchr ("-=?+", words[1 + *offset]) == NULL)
+ goto syntax;
+
+ colon_seen = 1;
+ action = words[++*offset];
+ break;
+
+ case '-':
+ case '=':
+ case '?':
+ case '+':
+ action = words[*offset];
+ break;
+
+ default:
+ goto syntax;
+ }
+
+ /* Now collect the pattern, but don't expand it yet. */
+ ++*offset;
+ for (; words[*offset]; ++(*offset))
+ {
+ switch (words[*offset])
+ {
+ case '{':
+ if (!pattern_is_quoted)
+ ++depth;
+ break;
+
+ case '}':
+ if (!pattern_is_quoted)
+ {
+ if (depth == 0)
+ goto envsubst;
+ --depth;
+ }
+ break;
+
+ case '\\':
+ if (pattern_is_quoted)
+ /* Quoted; treat as normal character. */
+ break;
+
+ /* Otherwise, it's an escape: next character is literal. */
+ if (words[++*offset] == '\0')
+ goto syntax;
+
+ pattern = w_addchar (pattern, &pat_length, &pat_maxlen, '\\');
+ if (pattern == NULL)
+ goto no_space;
+
+ break;
+
+ case '\'':
+ if (pattern_is_quoted == 0)
+ pattern_is_quoted = 1;
+ else if (pattern_is_quoted == 1)
+ pattern_is_quoted = 0;
+
+ break;
+
+ case '"':
+ if (pattern_is_quoted == 0)
+ pattern_is_quoted = 2;
+ else if (pattern_is_quoted == 2)
+ pattern_is_quoted = 0;
+
+ break;
+ }
+
+ pattern = w_addchar (pattern, &pat_length, &pat_maxlen,
+ words[*offset]);
+ if (pattern == NULL)
+ goto no_space;
+ }
+ }
+
+ /* End of input string -- remember to reparse the character that we
+ * stopped at. */
+ --(*offset);
+
+envsubst:
+ if (words[start] == '{' && words[*offset] != '}')
+ goto syntax;
+
+ if (env == NULL)
+ {
+ if (seen_hash)
+ {
+ /* $# expands to the number of positional parameters */
+ buffer[20] = '\0';
+ value = _itoa_word (__libc_argc - 1, &buffer[20], 10, 0);
+ seen_hash = 0;
+ }
+ else
+ {
+ /* Just $ on its own */
+ *offset = start - 1;
+ *word = w_addchar (*word, word_length, max_length, '$');
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+ }
+ /* Is it a numeric parameter? */
+ else if (isdigit (env[0]))
+ {
+ int n = atoi (env);
+
+ if (n >= __libc_argc)
+ /* Substitute NULL. */
+ value = NULL;
+ else
+ /* Replace with appropriate positional parameter. */
+ value = __libc_argv[n];
+ }
+ /* Is it a special parameter? */
+ else if (special)
+ {
+ /* Is it `$$'? */
+ if (*env == '$')
+ {
+ buffer[20] = '\0';
+ value = _itoa_word (__getpid (), &buffer[20], 10, 0);
+ }
+ /* Is it `${#*}' or `${#@}'? */
+ else if ((*env == '*' || *env == '@') && seen_hash)
+ {
+ buffer[20] = '\0';
+ value = _itoa_word (__libc_argc > 0 ? __libc_argc - 1 : 0,
+ &buffer[20], 10, 0);
+ *word = w_addstr (*word, word_length, max_length, value);
+ free (env);
+ if (pattern)
+ free (pattern);
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+ /* Is it `$*' or `$@' (unquoted) ? */
+ else if (*env == '*' || (*env == '@' && !quoted))
+ {
+ size_t plist_len = 0;
+ int p;
+ char *end;
+
+ /* Build up value parameter by parameter (copy them) */
+ for (p = 1; __libc_argv[p]; ++p)
+ plist_len += strlen (__libc_argv[p]) + 1; /* for space */
+ value = malloc (plist_len);
+ if (value == NULL)
+ goto no_space;
+ end = value;
+ *end = 0;
+ for (p = 1; __libc_argv[p]; ++p)
+ {
+ if (p > 1)
+ *end++ = ' ';
+ end = __stpcpy (end, __libc_argv[p]);
+ }
+
+ free_value = 1;
+ }
+ else
+ {
+ /* Must be a quoted `$@' */
+ assert (*env == '@' && quoted);
+
+ /* Each parameter is a separate word ("$@") */
+ if (__libc_argc == 2)
+ value = __libc_argv[1];
+ else if (__libc_argc > 2)
+ {
+ int p;
+
+ /* Append first parameter to current word. */
+ value = w_addstr (*word, word_length, max_length,
+ __libc_argv[1]);
+ if (value == NULL || w_addword (pwordexp, value))
+ goto no_space;
+
+ for (p = 2; __libc_argv[p + 1]; p++)
+ {
+ char *newword = __strdup (__libc_argv[p]);
+ if (newword == NULL || w_addword (pwordexp, newword))
+ goto no_space;
+ }
+
+ /* Start a new word with the last parameter. */
+ *word = w_newword (word_length, max_length);
+ value = __libc_argv[p];
+ }
+ else
+ {
+ free (env);
+ free (pattern);
+ return 0;
+ }
+ }
+ }
+ else
+ value = getenv (env);
+
+ if (value == NULL && (flags & WRDE_UNDEF))
+ {
+ /* Variable not defined. */
+ error = WRDE_BADVAL;
+ goto do_error;
+ }
+
+ if (action != ACT_NONE)
+ {
+ int expand_pattern = 0;
+
+ /* First, find out if we need to expand pattern (i.e. if we will
+ * use it). */
+ switch (action)
+ {
+ case ACT_RP_SHORT_LEFT:
+ case ACT_RP_LONG_LEFT:
+ case ACT_RP_SHORT_RIGHT:
+ case ACT_RP_LONG_RIGHT:
+ /* Always expand for these. */
+ expand_pattern = 1;
+ break;
+
+ case ACT_NULL_ERROR:
+ case ACT_NULL_SUBST:
+ case ACT_NULL_ASSIGN:
+ if (!value || (!*value && colon_seen))
+ /* If param is unset, or set but null and a colon has been seen,
+ the expansion of the pattern will be needed. */
+ expand_pattern = 1;
+
+ break;
+
+ case ACT_NONNULL_SUBST:
+ /* Expansion of word will be needed if parameter is set and not null,
+ or set null but no colon has been seen. */
+ if (value && (*value || !colon_seen))
+ expand_pattern = 1;
+
+ break;
+
+ default:
+ assert (! "Unrecognised action!");
+ }
+
+ if (expand_pattern)
+ {
+ /* We need to perform tilde expansion, parameter expansion,
+ command substitution, and arithmetic expansion. We also
+ have to be a bit careful with wildcard characters, as
+ pattern might be given to fnmatch soon. To do this, we
+ convert quotes to escapes. */
+
+ char *expanded;
+ size_t exp_len;
+ size_t exp_maxl;
+ char *p;
+ int quoted = 0; /* 1: single quotes; 2: double */
+
+ expanded = w_newword (&exp_len, &exp_maxl);
+ for (p = pattern; p && *p; p++)
+ {
+ size_t offset;
+
+ switch (*p)
+ {
+ case '"':
+ if (quoted == 2)
+ quoted = 0;
+ else if (quoted == 0)
+ quoted = 2;
+ else break;
+
+ continue;
+
+ case '\'':
+ if (quoted == 1)
+ quoted = 0;
+ else if (quoted == 0)
+ quoted = 1;
+ else break;
+
+ continue;
+
+ case '*':
+ case '?':
+ if (quoted)
+ {
+ /* Convert quoted wildchar to escaped wildchar. */
+ expanded = w_addchar (expanded, &exp_len,
+ &exp_maxl, '\\');
+
+ if (expanded == NULL)
+ goto no_space;
+ }
+ break;
+
+ case '$':
+ offset = 0;
+ error = parse_dollars (&expanded, &exp_len, &exp_maxl, p,
+ &offset, flags, NULL, NULL, NULL, 1);
+ if (error)
+ {
+ if (free_value)
+ free (value);
+
+ if (expanded)
+ free (expanded);
+
+ goto do_error;
+ }
+
+ p += offset;
+ continue;
+
+ case '~':
+ if (quoted || exp_len)
+ break;
+
+ offset = 0;
+ error = parse_tilde (&expanded, &exp_len, &exp_maxl, p,
+ &offset, 0);
+ if (error)
+ {
+ if (free_value)
+ free (value);
+
+ if (expanded)
+ free (expanded);
+
+ goto do_error;
+ }
+
+ p += offset;
+ continue;
+
+ case '\\':
+ expanded = w_addchar (expanded, &exp_len, &exp_maxl, '\\');
+ ++p;
+ assert (*p); /* checked when extracted initially */
+ if (expanded == NULL)
+ goto no_space;
+ }
+
+ expanded = w_addchar (expanded, &exp_len, &exp_maxl, *p);
+
+ if (expanded == NULL)
+ goto no_space;
+ }
+
+ if (pattern)
+ free (pattern);
+
+ pattern = expanded;
+ }
+
+ switch (action)
+ {
+ case ACT_RP_SHORT_LEFT:
+ case ACT_RP_LONG_LEFT:
+ case ACT_RP_SHORT_RIGHT:
+ case ACT_RP_LONG_RIGHT:
+ {
+ char *p;
+ char c;
+ char *end;
+
+ if (value == NULL || pattern == NULL || *pattern == '\0')
+ break;
+
+ end = value + strlen (value);
+
+ switch (action)
+ {
+ case ACT_RP_SHORT_LEFT:
+ for (p = value; p <= end; ++p)
+ {
+ c = *p;
+ *p = '\0';
+ if (fnmatch (pattern, value, 0) != FNM_NOMATCH)
+ {
+ *p = c;
+ if (free_value)
+ {
+ char *newval = __strdup (p);
+ if (newval == NULL)
+ {
+ free (value);
+ goto no_space;
+ }
+ free (value);
+ value = newval;
+ }
+ else
+ value = p;
+ break;
+ }
+ *p = c;
+ }
+
+ break;
+
+ case ACT_RP_LONG_LEFT:
+ for (p = end; p >= value; --p)
+ {
+ c = *p;
+ *p = '\0';
+ if (fnmatch (pattern, value, 0) != FNM_NOMATCH)
+ {
+ *p = c;
+ if (free_value)
+ {
+ char *newval = __strdup (p);
+ if (newval == NULL)
+ {
+ free (value);
+ goto no_space;
+ }
+ free (value);
+ value = newval;
+ }
+ else
+ value = p;
+ break;
+ }
+ *p = c;
+ }
+
+ break;
+
+ case ACT_RP_SHORT_RIGHT:
+ for (p = end; p >= value; --p)
+ {
+ if (fnmatch (pattern, p, 0) != FNM_NOMATCH)
+ {
+ char *newval;
+ newval = malloc (p - value + 1);
+
+ if (newval == NULL)
+ {
+ if (free_value)
+ free (value);
+ goto no_space;
+ }
+
+ *(char *) __mempcpy (newval, value, p - value) = '\0';
+ if (free_value)
+ free (value);
+ value = newval;
+ free_value = 1;
+ break;
+ }
+ }
+
+ break;
+
+ case ACT_RP_LONG_RIGHT:
+ for (p = value; p <= end; ++p)
+ {
+ if (fnmatch (pattern, p, 0) != FNM_NOMATCH)
+ {
+ char *newval;
+ newval = malloc (p - value + 1);
+
+ if (newval == NULL)
+ {
+ if (free_value)
+ free (value);
+ goto no_space;
+ }
+
+ *(char *) __mempcpy (newval, value, p - value) = '\0';
+ if (free_value)
+ free (value);
+ value = newval;
+ free_value = 1;
+ break;
+ }
+ }
+
+ break;
+
+ default:
+ break;
+ }
+
+ break;
+ }
+
+ case ACT_NULL_ERROR:
+ if (value && *value)
+ /* Substitute parameter */
+ break;
+
+ error = 0;
+ if (!colon_seen && value)
+ /* Substitute NULL */
+ ;
+ else
+ {
+ const char *str = pattern;
+
+ if (str[0] == '\0')
+ str = _("parameter null or not set");
+
+ __fxprintf (NULL, "%s: %s\n", env, str);
+ }
+
+ if (free_value)
+ free (value);
+ goto do_error;
+
+ case ACT_NULL_SUBST:
+ if (value && *value)
+ /* Substitute parameter */
+ break;
+
+ if (free_value && value)
+ free (value);
+
+ if (!colon_seen && value)
+ /* Substitute NULL */
+ goto success;
+
+ value = pattern ? __strdup (pattern) : pattern;
+ free_value = 1;
+
+ if (pattern && !value)
+ goto no_space;
+
+ break;
+
+ case ACT_NONNULL_SUBST:
+ if (value && (*value || !colon_seen))
+ {
+ if (free_value && value)
+ free (value);
+
+ value = pattern ? __strdup (pattern) : pattern;
+ free_value = 1;
+
+ if (pattern && !value)
+ goto no_space;
+
+ break;
+ }
+
+ /* Substitute NULL */
+ if (free_value)
+ free (value);
+ goto success;
+
+ case ACT_NULL_ASSIGN:
+ if (value && *value)
+ /* Substitute parameter */
+ break;
+
+ if (!colon_seen && value)
+ {
+ /* Substitute NULL */
+ if (free_value)
+ free (value);
+ goto success;
+ }
+
+ if (free_value && value)
+ free (value);
+
+ value = pattern ? __strdup (pattern) : pattern;
+ free_value = 1;
+
+ if (pattern && !value)
+ goto no_space;
+
+ __setenv (env, value, 1);
+ break;
+
+ default:
+ assert (! "Unrecognised action!");
+ }
+ }
+
+ free (env); env = NULL;
+ free (pattern); pattern = NULL;
+
+ if (seen_hash)
+ {
+ char param_length[21];
+ param_length[20] = '\0';
+ *word = w_addstr (*word, word_length, max_length,
+ _itoa_word (value ? strlen (value) : 0,
+ &param_length[20], 10, 0));
+ if (free_value)
+ {
+ assert (value != NULL);
+ free (value);
+ }
+
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+
+ if (value == NULL)
+ return 0;
+
+ if (quoted || !pwordexp)
+ {
+ /* Quoted - no field split */
+ *word = w_addstr (*word, word_length, max_length, value);
+ if (free_value)
+ free (value);
+
+ return *word ? 0 : WRDE_NOSPACE;
+ }
+ else
+ {
+ /* Need to field-split */
+ char *value_copy = __strdup (value); /* Don't modify value */
+ char *field_begin = value_copy;
+ int seen_nonws_ifs = 0;
+
+ if (free_value)
+ free (value);
+
+ if (value_copy == NULL)
+ goto no_space;
+
+ do
+ {
+ char *field_end = field_begin;
+ char *next_field;
+
+ /* If this isn't the first field, start a new word */
+ if (field_begin != value_copy)
+ {
+ if (w_addword (pwordexp, *word) == WRDE_NOSPACE)
+ {
+ free (value_copy);
+ goto no_space;
+ }
+
+ *word = w_newword (word_length, max_length);
+ }
+
+ /* Skip IFS whitespace before the field */
+ field_begin += strspn (field_begin, ifs_white);
+
+ if (!seen_nonws_ifs && *field_begin == 0)
+ /* Nothing but whitespace */
+ break;
+
+ /* Search for the end of the field */
+ field_end = field_begin + strcspn (field_begin, ifs);
+
+ /* Set up pointer to the character after end of field and
+ skip whitespace IFS after it. */
+ next_field = field_end + strspn (field_end, ifs_white);
+
+ /* Skip at most one non-whitespace IFS character after the field */
+ seen_nonws_ifs = 0;
+ if (*next_field && strchr (ifs, *next_field))
+ {
+ seen_nonws_ifs = 1;
+ next_field++;
+ }
+
+ /* Null-terminate it */
+ *field_end = 0;
+
+ /* Tag a copy onto the current word */
+ *word = w_addstr (*word, word_length, max_length, field_begin);
+
+ if (*word == NULL && *field_begin != '\0')
+ {
+ free (value_copy);
+ goto no_space;
+ }
+
+ field_begin = next_field;
+ }
+ while (seen_nonws_ifs || *field_begin);
+
+ free (value_copy);
+ }
+
+ return 0;
+
+success:
+ error = 0;
+ goto do_error;
+
+no_space:
+ error = WRDE_NOSPACE;
+ goto do_error;
+
+syntax:
+ error = WRDE_SYNTAX;
+
+do_error:
+ if (env)
+ free (env);
+
+ if (pattern)
+ free (pattern);
+
+ return error;
+}
+
+static int
+internal_function
+parse_dollars (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags,
+ wordexp_t *pwordexp, const char *ifs, const char *ifs_white,
+ int quoted)
+{
+ /* We are poised _at_ "$" */
+ switch (words[1 + *offset])
+ {
+ case '"':
+ case '\'':
+ case 0:
+ *word = w_addchar (*word, word_length, max_length, '$');
+ return *word ? 0 : WRDE_NOSPACE;
+
+ case '(':
+ if (words[2 + *offset] == '(')
+ {
+ /* Differentiate between $((1+3)) and $((echo);(ls)) */
+ int i = 3 + *offset;
+ int depth = 0;
+ while (words[i] && !(depth == 0 && words[i] == ')'))
+ {
+ if (words[i] == '(')
+ ++depth;
+ else if (words[i] == ')')
+ --depth;
+
+ ++i;
+ }
+
+ if (words[i] == ')' && words[i + 1] == ')')
+ {
+ (*offset) += 3;
+ /* Call parse_arith -- 0 is for "no brackets" */
+ return parse_arith (word, word_length, max_length, words, offset,
+ flags, 0);
+ }
+ }
+
+ if (flags & WRDE_NOCMD)
+ return WRDE_CMDSUB;
+
+ (*offset) += 2;
+ return parse_comm (word, word_length, max_length, words, offset, flags,
+ quoted? NULL : pwordexp, ifs, ifs_white);
+
+ case '[':
+ (*offset) += 2;
+ /* Call parse_arith -- 1 is for "brackets" */
+ return parse_arith (word, word_length, max_length, words, offset, flags,
+ 1);
+
+ case '{':
+ default:
+ ++(*offset); /* parse_param needs to know if "{" is there */
+ return parse_param (word, word_length, max_length, words, offset, flags,
+ pwordexp, ifs, ifs_white, quoted);
+ }
+}
+
+static int
+internal_function
+parse_backtick (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags,
+ wordexp_t *pwordexp, const char *ifs, const char *ifs_white)
+{
+ /* We are poised just after "`" */
+ int error;
+ int squoting = 0;
+ size_t comm_length;
+ size_t comm_maxlen;
+ char *comm = w_newword (&comm_length, &comm_maxlen);
+
+ for (; words[*offset]; ++(*offset))
+ {
+ switch (words[*offset])
+ {
+ case '`':
+ /* Go -- give the script to the shell */
+ error = exec_comm (comm, word, word_length, max_length, flags,
+ pwordexp, ifs, ifs_white);
+ free (comm);
+ return error;
+
+ case '\\':
+ if (squoting)
+ {
+ error = parse_qtd_backslash (&comm, &comm_length, &comm_maxlen,
+ words, offset);
+
+ if (error)
+ {
+ free (comm);
+ return error;
+ }
+
+ break;
+ }
+
+ ++(*offset);
+ error = parse_backslash (&comm, &comm_length, &comm_maxlen, words,
+ offset);
+
+ if (error)
+ {
+ free (comm);
+ return error;
+ }
+
+ break;
+
+ case '\'':
+ squoting = 1 - squoting;
+ default:
+ comm = w_addchar (comm, &comm_length, &comm_maxlen, words[*offset]);
+ if (comm == NULL)
+ return WRDE_NOSPACE;
+ }
+ }
+
+ /* Premature end */
+ free (comm);
+ return WRDE_SYNTAX;
+}
+
+static int
+internal_function
+parse_dquote (char **word, size_t *word_length, size_t *max_length,
+ const char *words, size_t *offset, int flags,
+ wordexp_t *pwordexp, const char * ifs, const char * ifs_white)
+{
+ /* We are poised just after a double-quote */
+ int error;
+
+ for (; words[*offset]; ++(*offset))
+ {
+ switch (words[*offset])
+ {
+ case '"':
+ return 0;
+
+ case '$':
+ error = parse_dollars (word, word_length, max_length, words, offset,
+ flags, pwordexp, ifs, ifs_white, 1);
+ /* The ``1'' here is to tell parse_dollars not to
+ * split the fields. It may need to, however ("$@").
+ */
+ if (error)
+ return error;
+
+ break;
+
+ case '`':
+ if (flags & WRDE_NOCMD)
+ return WRDE_CMDSUB;
+
+ ++(*offset);
+ error = parse_backtick (word, word_length, max_length, words,
+ offset, flags, NULL, NULL, NULL);
+ /* The first NULL here is to tell parse_backtick not to
+ * split the fields.
+ */
+ if (error)
+ return error;
+
+ break;
+
+ case '\\':
+ error = parse_qtd_backslash (word, word_length, max_length, words,
+ offset);
+
+ if (error)
+ return error;
+
+ break;
+
+ default:
+ *word = w_addchar (*word, word_length, max_length, words[*offset]);
+ if (*word == NULL)
+ return WRDE_NOSPACE;
+ }
+ }
+
+ /* Unterminated string */
+ return WRDE_SYNTAX;
+}
+
+/*
+ * wordfree() is to be called after pwordexp is finished with.
+ */
+
+void
+wordfree (wordexp_t *pwordexp)
+{
+
+ /* wordexp can set pwordexp to NULL */
+ if (pwordexp && pwordexp->we_wordv)
+ {
+ char **wordv = pwordexp->we_wordv;
+
+ for (wordv += pwordexp->we_offs; *wordv; ++wordv)
+ free (*wordv);
+
+ free (pwordexp->we_wordv);
+ pwordexp->we_wordv = NULL;
+ }
+}
+libc_hidden_def (wordfree)
+
+/*
+ * wordexp()
+ */
+
+int
+wordexp (const char *words, wordexp_t *pwordexp, int flags)
+{
+ size_t words_offset;
+ size_t word_length;
+ size_t max_length;
+ char *word = w_newword (&word_length, &max_length);
+ int error;
+ char *ifs;
+ char ifs_white[4];
+ wordexp_t old_word = *pwordexp;
+
+ if (flags & WRDE_REUSE)
+ {
+ /* Minimal implementation of WRDE_REUSE for now */
+ wordfree (pwordexp);
+ old_word.we_wordv = NULL;
+ }
+
+ if ((flags & WRDE_APPEND) == 0)
+ {
+ pwordexp->we_wordc = 0;
+
+ if (flags & WRDE_DOOFFS)
+ {
+ pwordexp->we_wordv = calloc (1 + pwordexp->we_offs, sizeof (char *));
+ if (pwordexp->we_wordv == NULL)
+ {
+ error = WRDE_NOSPACE;
+ goto do_error;
+ }
+ }
+ else
+ {
+ pwordexp->we_wordv = calloc (1, sizeof (char *));
+ if (pwordexp->we_wordv == NULL)
+ {
+ error = WRDE_NOSPACE;
+ goto do_error;
+ }
+
+ pwordexp->we_offs = 0;
+ }
+ }
+
+ /* Find out what the field separators are.
+ * There are two types: whitespace and non-whitespace.
+ */
+ ifs = getenv ("IFS");
+
+ if (!ifs)
+ /* IFS unset - use <space><tab><newline>. */
+ ifs = strcpy (ifs_white, " \t\n");
+ else
+ {
+ char *ifsch = ifs;
+ char *whch = ifs_white;
+
+ /* Start off with no whitespace IFS characters */
+ ifs_white[0] = '\0';
+
+ while (*ifsch != '\0')
+ {
+ if ((*ifsch == ' ') || (*ifsch == '\t') || (*ifsch == '\n'))
+ {
+ /* Whitespace IFS. See first whether it is already in our
+ collection. */
+ char *runp = ifs_white;
+
+ while (runp < whch && *runp != '\0' && *runp != *ifsch)
+ ++runp;
+
+ if (runp == whch)
+ *whch++ = *ifsch;
+ }
+
+ ++ifsch;
+ }
+ *whch = '\0';
+ }
+
+ for (words_offset = 0 ; words[words_offset] ; ++words_offset)
+ switch (words[words_offset])
+ {
+ case '\\':
+ error = parse_backslash (&word, &word_length, &max_length, words,
+ &words_offset);
+
+ if (error)
+ goto do_error;
+
+ break;
+
+ case '$':
+ error = parse_dollars (&word, &word_length, &max_length, words,
+ &words_offset, flags, pwordexp, ifs, ifs_white,
+ 0);
+
+ if (error)
+ goto do_error;
+
+ break;
+
+ case '`':
+ if (flags & WRDE_NOCMD)
+ {
+ error = WRDE_CMDSUB;
+ goto do_error;
+ }
+
+ ++words_offset;
+ error = parse_backtick (&word, &word_length, &max_length, words,
+ &words_offset, flags, pwordexp, ifs,
+ ifs_white);
+
+ if (error)
+ goto do_error;
+
+ break;
+
+ case '"':
+ ++words_offset;
+ error = parse_dquote (&word, &word_length, &max_length, words,
+ &words_offset, flags, pwordexp, ifs, ifs_white);
+
+ if (error)
+ goto do_error;
+
+ if (!word_length)
+ {
+ error = w_addword (pwordexp, NULL);
+
+ if (error)
+ return error;
+ }
+
+ break;
+
+ case '\'':
+ ++words_offset;
+ error = parse_squote (&word, &word_length, &max_length, words,
+ &words_offset);
+
+ if (error)
+ goto do_error;
+
+ if (!word_length)
+ {
+ error = w_addword (pwordexp, NULL);
+
+ if (error)
+ return error;
+ }
+
+ break;
+
+ case '~':
+ error = parse_tilde (&word, &word_length, &max_length, words,
+ &words_offset, pwordexp->we_wordc);
+
+ if (error)
+ goto do_error;
+
+ break;
+
+ case '*':
+ case '[':
+ case '?':
+ error = parse_glob (&word, &word_length, &max_length, words,
+ &words_offset, flags, pwordexp, ifs, ifs_white);
+
+ if (error)
+ goto do_error;
+
+ break;
+
+ default:
+ /* Is it a word separator? */
+ if (strchr (" \t", words[words_offset]) == NULL)
+ {
+ char ch = words[words_offset];
+
+ /* Not a word separator -- but is it a valid word char? */
+ if (strchr ("\n|&;<>(){}", ch))
+ {
+ /* Fail */
+ error = WRDE_BADCHAR;
+ goto do_error;
+ }
+
+ /* "Ordinary" character -- add it to word */
+ word = w_addchar (word, &word_length, &max_length,
+ ch);
+ if (word == NULL)
+ {
+ error = WRDE_NOSPACE;
+ goto do_error;
+ }
+
+ break;
+ }
+
+ /* If a word has been delimited, add it to the list. */
+ if (word != NULL)
+ {
+ error = w_addword (pwordexp, word);
+ if (error)
+ goto do_error;
+ }
+
+ word = w_newword (&word_length, &max_length);
+ }
+
+ /* End of string */
+
+ /* There was a word separator at the end */
+ if (word == NULL) /* i.e. w_newword */
+ return 0;
+
+ /* There was no field separator at the end */
+ return w_addword (pwordexp, word);
+
+do_error:
+ /* Error:
+ * free memory used (unless error is WRDE_NOSPACE), and
+ * set pwordexp members back to what they were.
+ */
+
+ if (word != NULL)
+ free (word);
+
+ if (error == WRDE_NOSPACE)
+ return WRDE_NOSPACE;
+
+ if ((flags & WRDE_APPEND) == 0)
+ wordfree (pwordexp);
+
+ *pwordexp = old_word;
+ return error;
+}