blob: 4726a687929fb1242f379598ae664c7670f78f3d [file] [log] [blame]
yuezonghe824eb0c2024-06-27 02:32:26 -07001/* vi: set sw=4 ts=4: */
2/*
3 * fstat() for uClibc
4 *
5 * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
6 *
7 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
8 */
9
10#include <sys/syscall.h>
11#include <unistd.h>
12#include <sys/stat.h>
13#include "xstatconv.h"
14
15int fstat(int fd, struct stat *buf)
16{
17 int result;
18#ifdef __NR_fstat64
19 /* normal stat call has limited values for various stat elements
20 * e.g. uid device major/minor etc.
21 * so we use 64 variant if available
22 * in order to get newer versions of stat elements
23 */
24 struct kernel_stat64 kbuf;
25 result = INLINE_SYSCALL(fstat64, 2, fd, &kbuf);
26 if (result == 0) {
27 __xstat32_conv(&kbuf, buf);
28 }
29#else
30 struct kernel_stat kbuf;
31
32 result = INLINE_SYSCALL(fstat, 2, fd, &kbuf);
33 if (result == 0) {
34 __xstat_conv(&kbuf, buf);
35 }
36#endif
37 return result;
38}
39libc_hidden_def(fstat)
40
41#if ! defined __NR_fstat64 && defined __UCLIBC_HAS_LFS__
42strong_alias_untyped(fstat,fstat64)
43libc_hidden_def(fstat64)
44#endif