summaryrefslogtreecommitdiff
path: root/sysdeps/posix/ttyname_r.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1998-01-25 17:01:47 +0000
committerUlrich Drepper <drepper@redhat.com>1998-01-25 17:01:47 +0000
commitaf69217fea009d28a9dca78796147a05d3cffb01 (patch)
tree98fd27434ad1ae66768530dd28b8bde5721e6c5f /sysdeps/posix/ttyname_r.c
parentac9f45cfd18eeffd6a9fbbcc86e68657c95658a6 (diff)
Update.
1998-01-26 00:57 Ulrich Drepper <drepper@cygnus.com> * db2/Makefile (routines): Add os_alloc. * db2/db.h: Update from db-2.3.16. * db2/db_185.h: Likewise. * db2/db_int.h: Likewise. * db2/btree/bt_close.c: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_delete.c: Likewise. * db2/btree/bt_open.c: Likewise. * db2/btree/bt_page.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_rec.c: Likewise. * db2/btree/bt_recno.c: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/common/db_appinit.c: Likewise. * db2/common/db_apprec.c: Likewise. * db2/common/db_err.c: Likewise. * db2/common/db_region.c: Likewise. * db2/common/db_shash.c: Likewise. * db2/db/db.c: Likewise. * db2/db/db_auto.c: Likewise. * db2/db/db_conv.c: Likewise. * db2/db/db_dispatch.c: Likewise. * db2/db/db_dup.c: Likewise. * db2/db/db_pr.c: Likewise. * db2/db/db_rec.c: Likewise. * db2/db185/db185.c: Likewise. * db2/dbm/dbm.c: Likewise. * db2/hash/hash.c: Likewise. * db2/hash/hash_auto.c: Likewise. * db2/hash/hash_dup.c: Likewise. * db2/hash/hash_page.c: Likewise. * db2/hash/hash_rec.c: Likewise. * db2/include/btree_ext.h: Likewise. * db2/include/clib_ext.h: Likewise. * db2/include/common_ext.h: Likewise. * db2/include/db.h.src: Likewise. * db2/include/db_185.h.src: Likewise. * db2/include/db_am.h: Likewise. * db2/include/db_ext.h: Likewise. * db2/include/db_int.h.src: Likewise. * db2/include/hash_ext.h: Likewise. * db2/include/lock_ext.h: Likewise. * db2/include/log.h: Likewise. * db2/include/log_auto.h: Likewise. * db2/include/log_ext.h: Likewise. * db2/include/mp.h: Likewise. * db2/include/mp_ext.h: Likewise. * db2/include/mutex_ext.h: Likewise. * db2/include/os_ext.h: Likewise. * db2/include/os_func.h: Likewise. * db2/include/txn_ext.h: Likewise. * db2/lock/lock.c: Likewise. * db2/lock/lock_util.c: Likewise. * db2/log/log.c: Likewise. * db2/log/log.src: Likewise. * db2/log/log_archive.c: Likewise. * db2/log/log_auto.c: Likewise. * db2/log/log_get.c: Likewise. * db2/log/log_put.c: Likewise. * db2/log/log_rec.c: Likewise. * db2/log/log_register.c: Likewise. * db2/mp/mp_bh.c: Likewise. * db2/mp/mp_fget.c: Likewise. * db2/mp/mp_fopen.c: Likewise. * db2/mp/mp_fput.c: Likewise. * db2/mp/mp_pr.c: Likewise. * db2/mp/mp_sync.c: Likewise. * db2/mutex/mutex.c: Likewise. * db2/os/os_alloc.c: Likewise. * db2/os/os_config.c: Likewise. * db2/os/os_stat.c: Likewise. * db2/progs/db_checkpoint/db_checkpoint.c: Likewise. * db2/progs/db_deadlock/db_deadlock.c: Likewise. * db2/progs/db_load/db_load.c: Likewise. * db2/progs/db_printlog/db_printlog.c: Likewise. * db2/progs/db_recover/db_recover.c: Likewise. * db2/progs/db_stat/db_stat.c: Likewise. * db2/txn/txn.c: Likewise. * elf/dl-close.c (_dl_close): Rename inner variable named map to imap. Unmap memory blocks in reverse order of allocation. Call munmap with load address added to offset. Bug reported by Miguel de Icaza. * locale/programs/ld-collate.c (collate_end_weight): Correctly fill up weight array. * localedata/locales/cs_CZ: Update by Michael Mraka <michael@informatics.muni.cz>. * misc/sys/syslog.h: Reformat a bit. Don't declare vsyslog unless __USE_BSD. * nis/nss_compat/compat-grp.c: Correctly handle buffer overflow while reading line with fgets. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nss/nss_files/files-XXX.c: Likewise. * nss/nss_files/files-alias.c: Likewise. * shadow/fgetspent_r.c: Likewise. * string/strerror_r.c: Correct comment. Patch by Andreas Jaeger. * sysdeps/unix/sysv/linux/bits/stat.h: Define _STATBUF_ST_RDEV. * sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Allocate room for FP register content in ucontext_t. 1998-01-22 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_modfl.c (modf): Correct calculation. Patch by Markus Schoder <Markus.Schoder@dresdner-bank.de>. * math/libm-test.c (modf_test): Add more tests for modf. * sysdeps/unix/sysv/linux/sys/mman.h: Add const to mlock and munlock according to Unix98. 1998-01-25 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nss/nss_files/files-network.c (LINE_PARSER): Set n_addrtype to AF_INET. 1998-01-21 07:22 H.J. Lu <hjl@gnu.org> * sysdeps/posix/ttyname.c: Handle symbolic links. * sysdeps/posix/ttyname_r.c: Ditto. 1998-01-25 19:39 Ulrich Drepper <drepper@cygnus.com> * db2/makedb.c (process_input): Write terminating \0 for value. (print_database): Simply print value string, don't use length. 1998-01-24 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nss/nsswitch.c (__nss_configure_lookup): Correct test for early exit of loop. 1998-01-25 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/ypclnt.c: Don't set dom_client to NULL, or we will not close all sockets. 1998-01-25 14:54 Ulrich Drepper <drepper@cygnus.com> * signal/Makefile (routines): Add sighold, sigrelse, sigignore, and sigset. * signal/sighold.c: New file. * signal/sigrelse.c: New file. * sysdeps/generic/sigignore.c: New file. * sysdeps/generic/sigset.c: New file. * sysdeps/posix/sigignore.c: New file. * sysdeps/posix/sigset.c: New file. * signal/signal.h: Add prototypes for new functions. * sysdeps/unix/sysv/linux/alpha/bits/signum.h: Define SIG_HOLD. * sysdeps/unix/sysv/linux/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/signum.h: Likewise. 1998-01-23 00:16 Tim Waugh <tim@cyberelk.demon.co.uk> * posix/wordexp.c: Added IFS field-splitting in parameter and command substitution. Fixed an IFS-related bug that caused an infinite loop. 1998-01-25 12:38 Ulrich Drepper <drepper@cygnus.com> * stdlib/Makefile (routines): Add getcontext, setcontext, makecontext, and swapcontext. * stdlib/ucontext.h: Correct prototypes. * sysdeps/generic/getcontext.c: New file. * sysdeps/generic/setcontext.c: New file. * sysdeps/generic/makecontext.c: New file. * sysdeps/generic/swapcontext.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: Removed. 1998-01-25 04:07 Ulrich Drepper <drepper@cygnus.com> * resource/sys/resource.h: Remove #include of ulimit.h which is not allowed by SUSv2 and not available on other systems. * sysdeps/unix/sysv/linux/ulimit.c: Include ulimit.h. * streams/Makefile: New file. * streams/stropts.h: New file. * sysdeps/generic/bits/stropts.h: New file. * sysdeps/generic/isastream.c: New file. * sysdeps/generic/getmsg.c: New file. * sysdeps/generic/getpmsg.c: New file. * sysdeps/generic/putmsg.c: New file. * sysdeps/generic/putpmsg.c: New file. * sysdeps/generic/fattach.c: New file. * sysdeps/generic/fdetach.c: New file. * sysdeps/unix/inet/Subdirs: Add streams. * sysdeps/generic/bits/types.h: Add definition of __t_scalar_t and __t_uscalar_t. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise. * sysdeps/mach/_strerror.c: Follow changes of generic version to handle small buffers correctly. 1998-01-24 17:31 H.J. Lu <hjl@gnu.org> * sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Remove the 3rd arg and add declaration for _dl_runtime_resolve and _dl_runtime_profile. 1998-01-25 02:42 Ulrich Drepper <drepper@cygnus.com> * include/cpio.h: New file. Mainly copied from GNU cpio. * posix/Makefile (headers): Add cpio.h.
Diffstat (limited to 'sysdeps/posix/ttyname_r.c')
-rw-r--r--sysdeps/posix/ttyname_r.c128
1 files changed, 92 insertions, 36 deletions
diff --git a/sysdeps/posix/ttyname_r.c b/sysdeps/posix/ttyname_r.c
index b3a15d13d1..ad747ad35b 100644
--- a/sysdeps/posix/ttyname_r.c
+++ b/sysdeps/posix/ttyname_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 95, 96, 97 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 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
@@ -30,58 +30,43 @@
# define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
-/* Store at most BUFLEN character of the pathname of the terminal FD is
- open on in BUF. Return 0 on success, otherwise an error number. */
-int
-__ttyname_r (fd, buf, buflen)
+static const char dev[] = "/dev";
+
+static int getttyname_r __P ((int fd, char *buf, size_t buflen,
+ dev_t mydev, ino_t myino, int save,
+ int *dostat)) internal_function;
+
+static int
+internal_function
+getttyname_r (fd, buf, buflen, mydev, myino, save, dostat)
int fd;
char *buf;
size_t buflen;
+ dev_t mydev;
+ ino_t myino;
+ int save;
+ int *dostat;
{
- static const char dev[] = "/dev";
struct stat st;
- dev_t mydev;
- ino_t myino;
DIR *dirstream;
struct dirent *d;
- int save = errno;
-
- /* Test for the absolute minimal size. This makes life easier inside
- the loop. */
- if (buflen < (int) (sizeof (dev) + 1))
- {
- __set_errno (ERANGE);
- return ERANGE;
- }
-
- if (!__isatty (fd))
- {
- __set_errno (ENOTTY);
- return ENOTTY;
- }
-
- if (fstat (fd, &st) < 0)
- return errno;
- mydev = st.st_dev;
- myino = st.st_ino;
dirstream = opendir (dev);
if (dirstream == NULL)
- return errno;
-
- /* Prepare the result buffer. */
- memcpy (buf, dev, sizeof (dev) - 1);
- buf[sizeof (dev) - 1] = '/';
- buflen -= sizeof (dev);
+ {
+ *dostat = -1;
+ return errno;
+ }
while ((d = readdir (dirstream)) != NULL)
- if ((ino_t) d->d_fileno == myino)
+ if ((ino_t) d->d_fileno == myino || *dostat)
{
char *cp;
size_t needed = _D_EXACT_NAMLEN (d) + 1;
if (needed > buflen)
{
+ *dostat = -1;
(void) closedir (dirstream);
__set_errno (ERANGE);
return ERANGE;
@@ -90,7 +75,13 @@ __ttyname_r (fd, buf, buflen)
cp = __stpncpy (&buf[sizeof (dev)], d->d_name, needed);
cp[0] = '\0';
- if (stat (buf, &st) == 0 && st.st_dev == mydev)
+ if (stat (buf, &st) == 0
+#ifdef _STATBUF_ST_RDEV
+ && S_ISCHR (st.st_mode) && st.st_rdev == mydev
+#else
+ && (ino_t) d->d_fileno == myino && st.st_dev == mydev
+#endif
+ )
{
(void) closedir (dirstream);
__set_errno (save);
@@ -104,4 +95,69 @@ __ttyname_r (fd, buf, buflen)
refers to a TTY but no entry in /dev has this inode. */
return ENOTTY;
}
+
+/* Store at most BUFLEN character of the pathname of the terminal FD is
+ open on in BUF. Return 0 on success, otherwise an error number. */
+int
+__ttyname_r (fd, buf, buflen)
+ int fd;
+ char *buf;
+ size_t buflen;
+{
+ struct stat st;
+ int dostat = 0;
+ int save = errno;
+ int ret;
+
+ /* Test for the absolute minimal size. This makes life easier inside
+ the loop. */
+ if (!buf)
+ {
+ __set_errno (EINVAL);
+ return EINVAL;
+ }
+
+ if (buflen < (int) (sizeof (dev) + 1))
+ {
+ __set_errno (ERANGE);
+ return ERANGE;
+ }
+
+ if (!__isatty (fd))
+ {
+ __set_errno (ENOTTY);
+ return ENOTTY;
+ }
+
+ if (fstat (fd, &st) < 0)
+ return errno;
+
+ /* Prepare the result buffer. */
+ memcpy (buf, dev, sizeof (dev) - 1);
+ buf[sizeof (dev) - 1] = '/';
+ buflen -= sizeof (dev);
+
+#ifdef _STATBUF_ST_RDEV
+ ret = getttyname_r (fd, buf, buflen, st.st_rdev, st.st_ino, save,
+ &dostat);
+#else
+ ret = getttyname_r (fd, buf, buflen, st.st_dev, st.st_ino, save,
+ &dostat);
+#endif
+
+ if (ret && dostat != -1)
+ {
+ dostat = 1;
+#ifdef _STATBUF_ST_RDEV
+ ret = getttyname_r (fd, buf, buflen, st.st_rdev, st.st_ino,
+ save, &dostat);
+#else
+ ret = getttyname_r (fd, buf, buflen, st.st_dev, st.st_ino,
+ save, &dostat);
+#endif
+ }
+
+ return ret;
+}
+
weak_alias (__ttyname_r, ttyname_r)