Add handling of correct stat structure

5 files changed, 326 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/alpha/kernel_stat.h b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
new file mode 100644
index 0000000000..7109677269
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
@@ -0,0 +1,19 @@
+/* Definition of `struct stat' used in the kernel..  */
+struct kernel_stat
+  {
+    unsigned int st_dev;
+    unsigned int st_ino;
+    unsigned int st_mode;
+    unsigned int st_nlink;
+    unsigned int st_uid;
+    unsigned int st_gid;
+    unsigned int st_rdev;
+    long int st_size;
+    unsigned long int st_atime;
+    unsigned long int st_mtime;
+    unsigned long int st_ctime;
+    unsigned int st_blksize;
+    int st_blocks;
+    unsigned int st_flags;
+    unsigned int st_gen;
+  };
diff --git a/sysdeps/unix/sysv/linux/fxstat.c b/sysdeps/unix/sysv/linux/fxstat.c
new file mode 100644
index 0000000000..103218711b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fxstat.c
@@ -0,0 +1,92 @@
+/* fxstat using old-style Unix fstat system call.
+   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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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 <sys/stat.h>
+
+#include "kernel_stat.h"
+
+extern int __syscall_fstat (int, struct kernel_stat *);
+
+/* Get information about the file descriptor FD in BUF.  */
+int
+__fxstat (int vers, int fd, struct stat *buf)
+{
+  struct kernel_stat kbuf;
+  int result;
+
+  switch (vers)
+    {
+    case _STAT_VER_LINUX_OLD:
+      /* Nothing to do.  The struct is in the form the kernel expects
+	 it to be.  */
+      result = __syscall_fstat (fd, (struct kernel_stat *) buf);
+      break;
+
+    case _STAT_VER_LINUX:
+      /* Do the system call.  */
+      result = __syscall_fstat (fd, &kbuf);
+
+      /* Convert to current kernel version of `struct stat'.  */
+      buf->st_dev = kbuf.st_dev;
+#ifdef _HAVE___PAD1
+      buf->__pad1 = 0;
+#endif
+      buf->st_ino = kbuf.st_ino;
+      buf->st_mode = kbuf.st_mode;
+      buf->st_nlink = kbuf.st_nlink;
+      buf->st_uid = kbuf.st_uid;
+      buf->st_gid = kbuf.st_gid;
+      buf->st_rdev = kbuf.st_rdev;
+#ifdef _HAVE___PAD2
+      buf->__pad2 = 0;
+#endif
+      buf->st_size = kbuf.st_size;
+      buf->st_blksize = kbuf.st_blksize;
+      buf->st_blocks = kbuf.st_blocks;
+      buf->st_atime = kbuf.st_atime;
+#ifdef _HAVE___UNUSED1
+      buf->__unused1 = 0;
+#endif
+      buf->st_mtime = kbuf.st_mtime;
+#ifdef _HAVE___UNUSED2
+      buf->__unused2 = 0;
+#endif
+      buf->st_ctime = kbuf.st_ctime;
+#ifdef _HAVE___UNUSED3
+      buf->__unused3 = 0;
+#endif
+#ifdef _HAVE___UNUSED4
+      buf->__unused4 = 0;
+#endif
+#ifdef _HAVE___UNUSED5
+      buf->__unused5 = 0;
+#endif
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      result = -1;
+      break;
+    }
+
+  return result;
+}
+weak_alias (__fxstat, _fxstat)
diff --git a/sysdeps/unix/sysv/linux/kernel_stat.h b/sysdeps/unix/sysv/linux/kernel_stat.h
new file mode 100644
index 0000000000..bd7ddcc9bc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/kernel_stat.h
@@ -0,0 +1,31 @@
+/* Definition of `struct stat' used in the kernel..  */
+struct kernel_stat
+  {
+    unsigned short int st_dev;
+    unsigned short int __pad1;
+#define _HAVE___PAD1
+    unsigned long int st_ino;
+    unsigned short int st_mode;
+    unsigned short int st_nlink;
+    unsigned short int st_uid;
+    unsigned short int st_gid;
+    unsigned short int st_rdev;
+    unsigned short int __pad2;
+#define _HAVE___PAD2
+    unsigned long int st_size;
+    unsigned long int st_blksize;
+    unsigned long int st_blocks;
+    unsigned long int st_atime;
+    unsigned long int __unused1;
+#define _HAVE___UNUSED1
+    unsigned long int st_mtime;
+    unsigned long int __unused2;
+#define _HAVE___UNUSED2
+    unsigned long int st_ctime;
+    unsigned long int __unused3;
+#define _HAVE___UNUSED3
+    unsigned long int __unused4;
+#define _HAVE___UNUSED4
+    unsigned long int __unused5;
+#define _HAVE___UNUSED5
+  };
diff --git a/sysdeps/unix/sysv/linux/lxstat.c b/sysdeps/unix/sysv/linux/lxstat.c
new file mode 100644
index 0000000000..713490cf66
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/lxstat.c
@@ -0,0 +1,92 @@
+/* lxstat using old-style Unix fstat system call.
+   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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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 <sys/stat.h>
+
+#include "kernel_stat.h"
+
+extern int __syscall_lstat (const char *, struct kernel_stat *);
+
+/* Get information about the file NAME in BUF.  */
+int
+__lxstat (int vers, const char *name, struct stat *buf)
+{
+  struct kernel_stat kbuf;
+  int result;
+
+  switch (vers)
+    {
+    case _STAT_VER_LINUX_OLD:
+      /* Nothing to do.  The struct is in the form the kernel expects
+	 it to be.  */
+      result = __syscall_lstat (name, (struct kernel_stat *) buf);
+      break;
+
+    case _STAT_VER_LINUX:
+      /* Do the system call.  */
+      result = __syscall_lstat (name, &kbuf);
+
+      /* Convert to current kernel version of `struct stat'.  */
+      buf->st_dev = kbuf.st_dev;
+#ifdef _HAVE___PAD1
+      buf->__pad1 = 0;
+#endif
+      buf->st_ino = kbuf.st_ino;
+      buf->st_mode = kbuf.st_mode;
+      buf->st_nlink = kbuf.st_nlink;
+      buf->st_uid = kbuf.st_uid;
+      buf->st_gid = kbuf.st_gid;
+      buf->st_rdev = kbuf.st_rdev;
+#ifdef _HAVE___PAD2
+      buf->__pad2 = 0;
+#endif
+      buf->st_size = kbuf.st_size;
+      buf->st_blksize = kbuf.st_blksize;
+      buf->st_blocks = kbuf.st_blocks;
+      buf->st_atime = kbuf.st_atime;
+#ifdef _HAVE___UNUSED1
+      buf->__unused1 = 0;
+#endif
+      buf->st_mtime = kbuf.st_mtime;
+#ifdef _HAVE___UNUSED2
+      buf->__unused2 = 0;
+#endif
+      buf->st_ctime = kbuf.st_ctime;
+#ifdef _HAVE___UNUSED3
+      buf->__unused3 = 0;
+#endif
+#ifdef _HAVE___UNUSED4
+      buf->__unused4 = 0;
+#endif
+#ifdef _HAVE___UNUSED5
+      buf->__unused5 = 0;
+#endif
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      result = -1;
+      break;
+    }
+
+  return result;
+}
+weak_alias (__lxstat, _lxstat)
diff --git a/sysdeps/unix/sysv/linux/xstat.c b/sysdeps/unix/sysv/linux/xstat.c
new file mode 100644
index 0000000000..be49b9d1de
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/xstat.c
@@ -0,0 +1,92 @@
+/* xstat using old-style Unix fstat system call.
+   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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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 <sys/stat.h>
+
+#include "kernel_stat.h"
+
+extern int __syscall_stat (const char *, struct kernel_stat *);
+
+/* Get information about the file NAME in BUF.  */
+int
+__xstat (int vers, const char *name, struct stat *buf)
+{
+  struct kernel_stat kbuf;
+  int result;
+
+  switch (vers)
+    {
+    case _STAT_VER_LINUX_OLD:
+      /* Nothing to do.  The struct is in the form the kernel expects
+	 it to be.  */
+      result = __syscall_stat (name, (struct kernel_stat *) buf);
+      break;
+
+    case _STAT_VER_LINUX:
+      /* Do the system call.  */
+      result = __syscall_stat (name, &kbuf);
+
+      /* Convert to current kernel version of `struct stat'.  */
+      buf->st_dev = kbuf.st_dev;
+#ifdef _HAVE___PAD1
+      buf->__pad1 = 0;
+#endif
+      buf->st_ino = kbuf.st_ino;
+      buf->st_mode = kbuf.st_mode;
+      buf->st_nlink = kbuf.st_nlink;
+      buf->st_uid = kbuf.st_uid;
+      buf->st_gid = kbuf.st_gid;
+      buf->st_rdev = kbuf.st_rdev;
+#ifdef _HAVE___PAD2
+      buf->__pad2 = 0;
+#endif
+      buf->st_size = kbuf.st_size;
+      buf->st_blksize = kbuf.st_blksize;
+      buf->st_blocks = kbuf.st_blocks;
+      buf->st_atime = kbuf.st_atime;
+#ifdef _HAVE___UNUSED1
+      buf->__unused1 = 0;
+#endif
+      buf->st_mtime = kbuf.st_mtime;
+#ifdef _HAVE___UNUSED2
+      buf->__unused2 = 0;
+#endif
+      buf->st_ctime = kbuf.st_ctime;
+#ifdef _HAVE___UNUSED3
+      buf->__unused3 = 0;
+#endif
+#ifdef _HAVE___UNUSED4
+      buf->__unused4 = 0;
+#endif
+#ifdef _HAVE___UNUSED5
+      buf->__unused5 = 0;
+#endif
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      result = -1;
+      break;
+    }
+
+  return result;
+}
+weak_alias (__xstat, _xstat)