1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* fstat() replacement.
Copyright (C) 2011-2023 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* If the user's config.h happens to include <sys/stat.h>, let it include only
the system's <sys/stat.h> here, so that orig_fstat doesn't recurse to
rpl_fstat. */
#define __need_system_sys_stat_h
#include <config.h>
/* Get the original definition of fstat. It might be defined as a macro. */
#include <sys/types.h>
#include <sys/stat.h>
#undef __need_system_sys_stat_h
#if defined _WIN32 && ! defined __CYGWIN__
# define WINDOWS_NATIVE
#endif
#if !defined WINDOWS_NATIVE
static int
orig_fstat (int fd, struct stat *buf)
{
return fstat (fd, buf);
}
#endif
/* Specification. */
#ifdef __osf__
/* Write "sys/stat.h" here, not <sys/stat.h>, otherwise OSF/1 5.1 DTK cc
eliminates this include because of the preliminary #include <sys/stat.h>
above. */
# include "sys/stat.h"
#else
# include <sys/stat.h>
#endif
#include "stat-time.h"
#include <errno.h>
#include <unistd.h>
#ifdef WINDOWS_NATIVE
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# if GNULIB_MSVC_NOTHROW
# include "msvc-nothrow.h"
# else
# include <io.h>
# endif
# include "stat-w32.h"
#endif
int
rpl_fstat (int fd, struct stat *buf)
{
#if REPLACE_FCHDIR && REPLACE_OPEN_DIRECTORY
/* Handle the case when rpl_open() used a dummy file descriptor to work
around an open() that can't normally visit directories. */
const char *name = _gl_directory_name (fd);
if (name != NULL)
return stat (name, buf);
#endif
#ifdef WINDOWS_NATIVE
/* Fill the fields ourselves, because the original fstat function returns
values for st_atime, st_mtime, st_ctime that depend on the current time
zone. See
<https://lists.gnu.org/r/bug-gnulib/2017-04/msg00134.html> */
HANDLE h = (HANDLE) _get_osfhandle (fd);
if (h == INVALID_HANDLE_VALUE)
{
errno = EBADF;
return -1;
}
return _gl_fstat_by_handle (h, NULL, buf);
#else
return stat_time_normalize (orig_fstat (fd, buf), buf);
#endif
}
|
