1 /* fxstat using old-style Unix fstat system call.
2 Copyright (C) 1991,1995-1998,2000,2002,2003,2006
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 /* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc
22 will complain since they don't strictly match. */
23 #define __fxstat64 __fxstat64_disable
28 #include <kernel_stat.h>
31 #include <sys/syscall.h>
32 #include <bp-checks.h>
34 #include <kernel-features.h>
36 #include <xstatconv.h>
39 # if __ASSUME_STAT64_SYSCALL == 0
40 /* The variable is shared between all wrappers around *stat64 calls. */
41 extern int __have_no_stat64;
45 /* Get information about the file FD in BUF. */
47 __fxstat (int vers, int fd, struct stat *buf)
49 #if __ASSUME_STAT64_SYSCALL == 0
50 struct kernel_stat kbuf;
54 if (vers == _STAT_VER_KERNEL)
55 return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 ((struct kernel_stat *) buf));
57 #if __ASSUME_STAT64_SYSCALL > 0
61 result = INLINE_SYSCALL (fstat64, 2, fd, __ptrvalue (&buf64));
63 result = __xstat32_conv (vers, &buf64, buf);
68 # if defined __NR_stat64
69 /* To support 32 bit UIDs, we have to use stat64. The normal stat call only returns
71 if (! __have_no_stat64)
75 result = INLINE_SYSCALL (fstat64, 2, fd, __ptrvalue (&buf64));
78 result = __xstat32_conv (vers, &buf64, buf);
80 if (result != -1 || errno != ENOSYS)
87 result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
89 result = __xstat_conv (vers, &kbuf, buf);
92 #endif /* __ASSUME_STAT64_SYSCALL */
96 weak_alias (__fxstat, _fxstat);
97 #ifdef XSTAT_IS_XSTAT64
99 strong_alias (__fxstat, __fxstat64);
100 hidden_ver (__fxstat, __fxstat64)