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Update.

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2000-01-12  Andreas Jaeger  <aj@suse.de>

	* sysdeps/unix/sysv/linux/xstatconv.c (xstat32_conv): New
	function; needed for 32bit uid support.

	* sysdeps/unix/sysv/linux/i386/xstat.c: New file, handles 32bit
	uids correctly.
This commit is contained in:
Ulrich Drepper
2000-01-18 03:13:08 +00:00
parent e2955cb30d
commit a8481a8c8d
3 changed files with 174 additions and 1 deletions
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70
sysdeps/unix/sysv/linux/xstatconv.c
View File

@ -1,5 +1,5 @@
/* Convert between the kernel's `struct stat' format, and libc's.
Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1991, 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
@ -143,3 +143,71 @@ xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
return 0;
#endif
}
static inline int
xstat32_conv (int vers, struct stat64 *kbuf, struct stat *buf)
{
switch (vers)
{
case _STAT_VER_LINUX:
{
/* Convert current kernel version of `struct stat64' to `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;
/* Check for overflow. */
if (buf->st_size != kbuf->st_size)
{
__set_errno (EOVERFLOW);
return -1;
}
buf->st_blksize = kbuf->st_blksize;
buf->st_blocks = kbuf->st_blocks;
/* Check for overflow. */
if (buf->st_blocks != kbuf->st_blocks)
{
__set_errno (EOVERFLOW);
return -1;
}
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;
/* If struct stat64 is different from struct stat then
_STAT_VER_KERNEL does not make sense. */
case _STAT_VER_KERNEL:
default:
__set_errno (EINVAL);
return -1;
}
return 0;
}