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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/lxstat64.c
1 /* lxstat64 using old-style Unix lstat system call.
2 Copyright (C) 1997,1998,1999,2000,2001,2002 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #include <kernel_stat.h>
26 #include <sys/syscall.h>
27 #include <bp-checks.h>
29 #include "kernel-features.h"
31 #if __ASSUME_STAT64_SYSCALL == 0
32 # include <xstatconv.c>
35 extern int __syscall_lstat (const char *__unbounded
,
36 struct kernel_stat
*__unbounded
);
39 extern int __syscall_lstat64 (const char *__unbounded
,
40 struct stat64
*__unbounded
);
41 # if __ASSUME_STAT64_SYSCALL == 0
42 /* The variable is shared between all wrappers around *stat64 calls. */
43 extern int __have_no_stat64
;
47 /* Get information about the file NAME in BUF. */
48 extern int ___lxstat64 (int vers
, const char *name
, struct stat64
*buf
);
51 ___lxstat64 (int vers
, const char *name
, struct stat64
*buf
)
54 #ifdef __ASSUME_STAT64_SYSCALL
55 result
= INLINE_SYSCALL (lstat64
, 2, CHECK_STRING (name
), CHECK_1 (buf
));
56 # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
57 if (__builtin_expect (!result
, 1) && buf
->__st_ino
!= (__ino_t
) buf
->st_ino
)
58 buf
->st_ino
= buf
->__st_ino
;
62 struct kernel_stat kbuf
;
64 if (! __have_no_stat64
)
66 int saved_errno
= errno
;
67 result
= INLINE_SYSCALL (lstat64
, 2, CHECK_STRING (name
), CHECK_1 (buf
));
69 if (result
!= -1 || errno
!= ENOSYS
)
71 # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
72 if (!result
&& buf
->__st_ino
!= (__ino_t
) buf
->st_ino
)
73 buf
->st_ino
= buf
->__st_ino
;
78 __set_errno (saved_errno
);
82 result
= INLINE_SYSCALL (lstat
, 2, CHECK_STRING (name
), __ptrvalue (&kbuf
));
84 result
= xstat64_conv (vers
, &kbuf
, buf
);
91 # include <shlib-compat.h>
93 versioned_symbol (libc
, ___lxstat64
, __lxstat64
, GLIBC_2_2
);
95 # if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
96 strong_alias (___lxstat64
, __old__lxstat64
)
97 compat_symbol (libc
, __old__lxstat64
, __lxstat64
, GLIBC_2_1
);
101 strong_alias (___lxstat64
, __lxstat64
);