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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/* grabbag - Convenience lib for various routines common to several tools
* Copyright (C) 2002-2009 Josh Coalson
* Copyright (C) 2011-2023 Xiph.Org Foundation
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#if defined _MSC_VER || defined __MINGW32__
#include <sys/utime.h> /* for utime() */
#include <io.h> /* for chmod(), _setmode(), unlink() */
#include <fcntl.h> /* for _O_BINARY */
#else
#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
#endif
#if defined __EMX__
#include <io.h> /* for setmode(), O_BINARY */
#include <fcntl.h> /* for _O_BINARY */
#endif
#include <sys/stat.h> /* for stat(), maybe chmod() */
#if defined _WIN32 && !defined __CYGWIN__
#else
#include <unistd.h> /* for unlink() */
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* for strrchr() */
#if defined _WIN32 && !defined __CYGWIN__
// for GetFileInformationByHandle() etc
#include <windows.h>
#include <winbase.h>
#endif
#include "share/grabbag.h"
#include "share/compat.h"
void grabbag__file_copy_metadata(const char *srcpath, const char *destpath)
{
struct flac_stat_s srcstat;
if(0 == flac_stat(srcpath, &srcstat)) {
#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) && !defined(_WIN32)
struct timespec srctime[2] = {};
srctime[0].tv_sec = srcstat.st_atime;
srctime[1].tv_sec = srcstat.st_mtime;
#else
struct utimbuf srctime;
srctime.actime = srcstat.st_atime;
srctime.modtime = srcstat.st_mtime;
#endif
(void)flac_chmod(destpath, srcstat.st_mode);
(void)flac_utime(destpath, &srctime);
}
}
FLAC__off_t grabbag__file_get_filesize(const char *srcpath)
{
struct flac_stat_s srcstat;
if(0 == flac_stat(srcpath, &srcstat))
return srcstat.st_size;
else
return -1;
}
const char *grabbag__file_get_basename(const char *srcpath)
{
const char *p;
p = strrchr(srcpath, '/');
if(0 == p) {
#if defined _WIN32 && !defined __CYGWIN__
p = strrchr(srcpath, '\\');
if(0 == p)
#endif
return srcpath;
}
return ++p;
}
FLAC__bool grabbag__file_change_stats(const char *filename, FLAC__bool read_only)
{
struct flac_stat_s stats;
if(0 == flac_stat(filename, &stats)) {
#if !defined _MSC_VER && !defined __MINGW32__
if(read_only) {
stats.st_mode &= ~S_IWUSR;
stats.st_mode &= ~S_IWGRP;
stats.st_mode &= ~S_IWOTH;
}
else {
stats.st_mode |= S_IWUSR;
}
#else
if(read_only)
stats.st_mode &= ~S_IWRITE;
else
stats.st_mode |= S_IWRITE;
#endif
if(0 != flac_chmod(filename, stats.st_mode))
return false;
}
else
return false;
return true;
}
FLAC__bool grabbag__file_are_same(const char *f1, const char *f2)
{
#if defined _WIN32 && !defined __CYGWIN__
#if !defined(WINAPI_FAMILY_PARTITION)
#define WINAPI_FAMILY_PARTITION(x) x
#define WINAPI_PARTITION_DESKTOP 1
#endif
/* see
* http://www.hydrogenaudio.org/forums/index.php?showtopic=49439&pid=444300&st=0
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/getfileinformationbyhandle.asp
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/by_handle_file_information_str.asp
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/createfile.asp
* apparently both the files have to be open at the same time for the comparison to work
*/
FLAC__bool same = false;
BY_HANDLE_FILE_INFORMATION info1, info2;
HANDLE h1, h2;
BOOL ok = 1;
h1 = CreateFile_utf8(f1, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
h2 = CreateFile_utf8(f2, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if(h1 == INVALID_HANDLE_VALUE || h2 == INVALID_HANDLE_VALUE)
ok = 0;
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
ok &= GetFileInformationByHandle(h1, &info1);
ok &= GetFileInformationByHandle(h2, &info2);
if(ok)
same =
info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber &&
info1.nFileIndexHigh == info2.nFileIndexHigh &&
info1.nFileIndexLow == info2.nFileIndexLow
;
#else // !WINAPI_PARTITION_DESKTOP
FILE_ID_INFO id_info1, id_info2;
same = GetFileInformationByHandleEx(h1, FileIdInfo, &id_info1, sizeof (id_info1)) &&
GetFileInformationByHandleEx(h2, FileIdInfo, &id_info2, sizeof (id_info2)) &&
id_info1.VolumeSerialNumber == id_info2.VolumeSerialNumber &&
memcmp(&id_info1.FileId, &id_info2.FileId, sizeof(id_info1.FileId)) == 0;
#endif // !WINAPI_PARTITION_DESKTOP
if(h1 != INVALID_HANDLE_VALUE)
CloseHandle(h1);
if(h2 != INVALID_HANDLE_VALUE)
CloseHandle(h2);
return same;
#else
struct flac_stat_s s1, s2;
return f1 && f2 && flac_stat(f1, &s1) == 0 && flac_stat(f2, &s2) == 0 && s1.st_ino == s2.st_ino && s1.st_dev == s2.st_dev;
#endif
}
FLAC__bool grabbag__file_remove_file(const char *filename)
{
return grabbag__file_change_stats(filename, /*read_only=*/false) && 0 == flac_unlink(filename);
}
FILE *grabbag__file_get_binary_stdin(void)
{
/* if something breaks here it is probably due to the presence or
* absence of an underscore before the identifiers 'setmode',
* 'fileno', and/or 'O_BINARY'; check your system header files.
*/
#if defined _MSC_VER || defined __MINGW32__
_setmode(_fileno(stdin), _O_BINARY);
#elif defined __EMX__
setmode(fileno(stdin), O_BINARY);
#endif
return stdin;
}
FILE *grabbag__file_get_binary_stdout(void)
{
/* if something breaks here it is probably due to the presence or
* absence of an underscore before the identifiers 'setmode',
* 'fileno', and/or 'O_BINARY'; check your system header files.
*/
#if defined _MSC_VER || defined __MINGW32__
_setmode(_fileno(stdout), _O_BINARY);
#elif defined __EMX__
setmode(fileno(stdout), O_BINARY);
#endif
return stdout;
}
|
