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1/* fxstat using old-style Unix fstat system call.
2 Copyright (C) 1991-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
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 __fxstat64 __fxstat64_disable
22
23#include <errno.h>
24#include <stddef.h>
25#include <sys/types.h>
26#include <sys/stat.h>
27#include <kernel_stat.h>
28
29#include <sysdep.h>
30#include <sys/syscall.h>
31
32#include <xstatconv.h>
33
34/* Get information about the file FD in BUF. */
35int
36__fxstat (int vers, int fd, struct stat *buf)
37{
38 if (vers == _STAT_VER_KERNEL)
39 return INLINE_SYSCALL (fstat, 2, fd, buf);
40
41#ifdef STAT_IS_KERNEL_STAT
42 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
43#else
44 struct kernel_stat kbuf;
45 int result;
46
47 result = INLINE_SYSCALL (fstat, 2, fd, &kbuf);
48 if (result == 0)
49 result = __xstat_conv (vers, &kbuf, buf);
50
51 return result;
52#endif
53}
54
55hidden_def (__fxstat)
56weak_alias (__fxstat, _fxstat);
57#if XSTAT_IS_XSTAT64
58#undef __fxstat64
59strong_alias (__fxstat, __fxstat64);
60hidden_ver (__fxstat, __fxstat64)
61#endif
62

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