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[glibc.git] / sysdeps / unix / sysv / linux / lxstat.c
blobc7359647b67ee461191421296c38723b88e31987
1 /* lxstat using old-style Unix lstat system call.
2 Copyright (C) 1991,1995-1998,2000,2002,2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 /* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc
20 will complain since they don't strictly match. */
21 #define __lxstat64 __lxstat64_disable
23 #include <errno.h>
24 #include <stddef.h>
25 #include <sys/stat.h>
26 #include <kernel_stat.h>
28 #include <sysdep.h>
29 #include <sys/syscall.h>
30 #include <bp-checks.h>
32 #include <xstatconv.h>
34 /* Get information about the file NAME in BUF. */
35 int
36 __lxstat (int vers, const char *name, struct stat *buf)
38 if (vers == _STAT_VER_KERNEL)
39 return INLINE_SYSCALL (lstat, 2, CHECK_STRING (name),
40 CHECK_1 ((struct kernel_stat *) buf));
42 #ifdef STAT_IS_KERNEL_STAT
43 errno = EINVAL;
44 return -1;
45 #else
46 struct kernel_stat kbuf;
47 int result;
49 result = INLINE_SYSCALL (lstat, 2, CHECK_STRING (name), __ptrvalue (&kbuf));
50 if (result == 0)
51 result = __xstat_conv (vers, &kbuf, buf);
53 return result;
54 #endif
57 hidden_def (__lxstat)
58 weak_alias (__lxstat, _lxstat);
59 #ifdef XSTAT_IS_XSTAT64
60 #undef __lxstat64
61 strong_alias (__lxstat, __lxstat64);
62 hidden_ver (__lxstat, __lxstat64)
63 #endif