Update libflac to 1.3.0.

lib-src/libflac/src/metaflac/utils.h

@@ -0,0 +1,42 @@
+/* metaflac - Command-line FLAC metadata editor
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2013  Xiph.Org Foundation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef metaflac__utils_h
+#define metaflac__utils_h
+
+#include "FLAC/metadata.h"
+#include <stdio.h> /* for FILE */
+
+void die(const char *message);
+#ifdef FLAC__VALGRIND_TESTING
+size_t local_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
+#else
+#define local_fwrite fwrite
+#endif
+char *local_strdup(const char *source);
+void local_strcat(char **dest, const char *source);
+void hexdump(const char *filename, const FLAC__byte *buf, unsigned bytes, const char *indent);
+void print_error_with_chain_status(FLAC__Metadata_Chain *chain, const char *format, ...);
+
+FLAC__bool parse_vorbis_comment_field(const char *field_ref, char **field, char **name, char **value, unsigned *length, const char **violation);
+
+void write_vc_field(const char *filename, const FLAC__StreamMetadata_VorbisComment_Entry *entry, FLAC__bool raw, FILE *f);
+void write_vc_fields(const char *filename, const char *field_name, const FLAC__StreamMetadata_VorbisComment_Entry entry[], unsigned num_entries, FLAC__bool raw, FILE *f);
+
+#endif