1 /* grabbag - Convenience lib for various routines common to several tools
2 * Copyright (C) 2002-2009 Josh Coalson
3 * Copyright (C) 2011-2016 Xiph.Org Foundation
5 * This 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.
10 * This 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.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #if defined _MSC_VER || defined __MINGW32__
25 #include <sys/utime.h> /* for utime() */
26 #include <io.h> /* for chmod(), _setmode(), unlink() */
27 #include <fcntl.h> /* for _O_BINARY */
29 #include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
30 #include <utime.h> /* for utime() */
32 #if defined __CYGWIN__ || defined __EMX__
33 #include <io.h> /* for setmode(), O_BINARY */
34 #include <fcntl.h> /* for _O_BINARY */
36 #include <sys/stat.h> /* for stat(), maybe chmod() */
37 #if defined _WIN32 && !defined __CYGWIN__
39 #include <unistd.h> /* for unlink() */
43 #include <string.h> /* for strrchr() */
44 #if defined _WIN32 && !defined __CYGWIN__
45 // for GetFileInformationByHandle() etc
49 #include "share/grabbag.h"
52 void grabbag__file_copy_metadata(const char *srcpath, const char *destpath)
54 struct flac_stat_s srcstat;
55 struct utimbuf srctime;
57 if(0 == flac_stat(srcpath, &srcstat)) {
58 srctime.actime = srcstat.st_atime;
59 srctime.modtime = srcstat.st_mtime;
60 (void)flac_chmod(destpath, srcstat.st_mode);
61 (void)flac_utime(destpath, &srctime);
65 FLAC__off_t grabbag__file_get_filesize(const char *srcpath)
67 struct flac_stat_s srcstat;
69 if(0 == flac_stat(srcpath, &srcstat))
70 return srcstat.st_size;
75 const char *grabbag__file_get_basename(const char *srcpath)
79 p = strrchr(srcpath, '/');
81 p = strrchr(srcpath, '\\');
88 FLAC__bool grabbag__file_change_stats(const char *filename, FLAC__bool read_only)
90 struct flac_stat_s stats;
92 if(0 == flac_stat(filename, &stats)) {
93 #if !defined _MSC_VER && !defined __MINGW32__
95 stats.st_mode &= ~S_IWUSR;
96 stats.st_mode &= ~S_IWGRP;
97 stats.st_mode &= ~S_IWOTH;
100 stats.st_mode |= S_IWUSR;
104 stats.st_mode &= ~S_IWRITE;
106 stats.st_mode |= S_IWRITE;
108 if(0 != flac_chmod(filename, stats.st_mode))
117 FLAC__bool grabbag__file_are_same(const char *f1, const char *f2)
119 #if defined _MSC_VER || defined __MINGW32__
121 * http://www.hydrogenaudio.org/forums/index.php?showtopic=49439&pid=444300&st=0
122 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/getfileinformationbyhandle.asp
123 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/by_handle_file_information_str.asp
124 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/createfile.asp
125 * apparently both the files have to be open at the same time for the comparison to work
127 FLAC__bool same = false;
128 BY_HANDLE_FILE_INFORMATION info1, info2;
131 h1 = CreateFile_utf8(f1, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
132 h2 = CreateFile_utf8(f2, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
133 if(h1 == INVALID_HANDLE_VALUE || h2 == INVALID_HANDLE_VALUE)
135 ok &= GetFileInformationByHandle(h1, &info1);
136 ok &= GetFileInformationByHandle(h2, &info2);
139 info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber &&
140 info1.nFileIndexHigh == info2.nFileIndexHigh &&
141 info1.nFileIndexLow == info2.nFileIndexLow
143 if(h1 != INVALID_HANDLE_VALUE)
145 if(h2 != INVALID_HANDLE_VALUE)
149 struct flac_stat_s s1, s2;
150 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;
154 FLAC__bool grabbag__file_remove_file(const char *filename)
156 return grabbag__file_change_stats(filename, /*read_only=*/false) && 0 == flac_unlink(filename);
159 FILE *grabbag__file_get_binary_stdin(void)
161 /* if something breaks here it is probably due to the presence or
162 * absence of an underscore before the identifiers 'setmode',
163 * 'fileno', and/or 'O_BINARY'; check your system header files.
165 #if defined _MSC_VER || defined __MINGW32__
166 _setmode(_fileno(stdin), _O_BINARY);
167 #elif defined __CYGWIN__
168 /* almost certainly not needed for any modern Cygwin, but let's be safe... */
169 setmode(_fileno(stdin), _O_BINARY);
170 #elif defined __EMX__
171 setmode(fileno(stdin), O_BINARY);
177 FILE *grabbag__file_get_binary_stdout(void)
179 /* if something breaks here it is probably due to the presence or
180 * absence of an underscore before the identifiers 'setmode',
181 * 'fileno', and/or 'O_BINARY'; check your system header files.
183 #if defined _MSC_VER || defined __MINGW32__
184 _setmode(_fileno(stdout), _O_BINARY);
185 #elif defined __CYGWIN__
186 /* almost certainly not needed for any modern Cygwin, but let's be safe... */
187 setmode(_fileno(stdout), _O_BINARY);
188 #elif defined __EMX__
189 setmode(fileno(stdout), O_BINARY);