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Diffstat (limited to 'deps/flac-1.3.2/src/share/grabbag/file.c')
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1 files changed, 193 insertions, 0 deletions
diff --git a/deps/flac-1.3.2/src/share/grabbag/file.c b/deps/flac-1.3.2/src/share/grabbag/file.c
new file mode 100644
index 0000000..4cbef9d
--- /dev/null
+++ b/deps/flac-1.3.2/src/share/grabbag/file.c
@@ -0,0 +1,193 @@
+/* grabbag - Convenience lib for various routines common to several tools
+ * Copyright (C) 2002-2009 Josh Coalson
+ * Copyright (C) 2011-2016 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 */
+#include <utime.h> /* for utime() */
+#endif
+#if defined __CYGWIN__ || 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"
+
+
+void grabbag__file_copy_metadata(const char *srcpath, const char *destpath)
+{
+ struct flac_stat_s srcstat;
+ struct utimbuf srctime;
+
+ if(0 == flac_stat(srcpath, &srcstat)) {
+ srctime.actime = srcstat.st_atime;
+ srctime.modtime = srcstat.st_mtime;
+ (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) {
+ p = strrchr(srcpath, '\\');
+ if(0 == p)
+ 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 _MSC_VER || defined __MINGW32__
+ /* 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;
+ ok &= GetFileInformationByHandle(h1, &info1);
+ ok &= GetFileInformationByHandle(h2, &info2);
+ if(ok)
+ same =
+ info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber &&
+ info1.nFileIndexHigh == info2.nFileIndexHigh &&
+ info1.nFileIndexLow == info2.nFileIndexLow
+ ;
+ 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 __CYGWIN__
+ /* almost certainly not needed for any modern Cygwin, but let's be safe... */
+ 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 __CYGWIN__
+ /* almost certainly not needed for any modern Cygwin, but let's be safe... */
+ setmode(_fileno(stdout), _O_BINARY);
+#elif defined __EMX__
+ setmode(fileno(stdout), O_BINARY);
+#endif
+
+ return stdout;
+}