Delete libFLAC - it has't been used since October 2005

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11716 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 1472 deletions

diff --git a/apps/codecs/libFLAC/metadata_object.c b/apps/codecs/libFLAC/metadata_object.c
deleted file mode 100644
index 51663c0..0000000
--- a/apps/codecs/libFLAC/metadata_object.c
+++ /dev/null
@@ -1,1472 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005  Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "global.h"
-#include <string.h>
-
-#include "private/metadata.h"
-
-#include "FLAC/assert.h"
-
-
-/****************************************************************************
- *
- * Local routines
- *
- ***************************************************************************/
-
-static FLAC__bool copy_bytes_(FLAC__byte **to, const FLAC__byte *from, unsigned bytes)
-{
-	if(bytes > 0 && 0 != from) {
-		FLAC__byte *x;
-		if(0 == (x = (FLAC__byte*)malloc(bytes)))
-			return false;
-		memcpy(x, from, bytes);
-		*to = x;
-	}
-	else {
-		FLAC__ASSERT(0 == from);
-		FLAC__ASSERT(bytes == 0);
-		*to = 0;
-	}
-	return true;
-}
-
-static FLAC__bool ensure_null_terminated_(FLAC__byte **entry, unsigned length)
-{
-	FLAC__byte *x = (FLAC__byte*)realloc(*entry, length+1);
-	if(0 != x) {
-		x[length] = '\0';
-		*entry = x;
-		return true;
-	}
-	else
-		return false;
-}
-
-static FLAC__bool copy_vcentry_(FLAC__StreamMetadata_VorbisComment_Entry *to, const FLAC__StreamMetadata_VorbisComment_Entry *from)
-{
-	to->length = from->length;
-	if(0 == from->entry) {
-		FLAC__ASSERT(from->length == 0);
-		to->entry = 0;
-	}
-	else {
-		FLAC__byte *x;
-		FLAC__ASSERT(from->length > 0);
-		if(0 == (x = (FLAC__byte*)malloc(from->length+1)))
-			return false;
-		memcpy(x, from->entry, from->length);
-		x[from->length] = '\0';
-		to->entry = x;
-	}
-	return true;
-}
-
-static FLAC__bool copy_track_(FLAC__StreamMetadata_CueSheet_Track *to, const FLAC__StreamMetadata_CueSheet_Track *from)
-{
-	memcpy(to, from, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-	if(0 == from->indices) {
-		FLAC__ASSERT(from->num_indices == 0);
-	}
-	else {
-		FLAC__StreamMetadata_CueSheet_Index *x;
-		FLAC__ASSERT(from->num_indices > 0);
-		if(0 == (x = (FLAC__StreamMetadata_CueSheet_Index*)malloc(from->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index))))
-			return false;
-		memcpy(x, from->indices, from->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index));
-		to->indices = x;
-	}
-	return true;
-}
-
-static void seektable_calculate_length_(FLAC__StreamMetadata *object)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	object->length = object->data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
-}
-
-static FLAC__StreamMetadata_SeekPoint *seekpoint_array_new_(unsigned num_points)
-{
-	FLAC__StreamMetadata_SeekPoint *object_array;
-
-	FLAC__ASSERT(num_points > 0);
-
-	object_array = (FLAC__StreamMetadata_SeekPoint*)malloc(num_points * sizeof(FLAC__StreamMetadata_SeekPoint));
-
-	if(0 != object_array) {
-		unsigned i;
-		for(i = 0; i < num_points; i++) {
-			object_array[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
-			object_array[i].stream_offset = 0;
-			object_array[i].frame_samples = 0;
-		}
-	}
-
-	return object_array;
-}
-
-static void vorbiscomment_calculate_length_(FLAC__StreamMetadata *object)
-{
-	unsigned i;
-
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	object->length = (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN) / 8;
-	object->length += object->data.vorbis_comment.vendor_string.length;
-	object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8;
-	for(i = 0; i < object->data.vorbis_comment.num_comments; i++) {
-		object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8);
-		object->length += object->data.vorbis_comment.comments[i].length;
-	}
-}
-
-static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_new_(unsigned num_comments)
-{
-	FLAC__ASSERT(num_comments > 0);
-
-	return (FLAC__StreamMetadata_VorbisComment_Entry*)calloc(num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry));
-}
-
-static void vorbiscomment_entry_array_delete_(FLAC__StreamMetadata_VorbisComment_Entry *object_array, unsigned num_comments)
-{
-	unsigned i;
-
-	FLAC__ASSERT(0 != object_array && num_comments > 0);
-
-	for(i = 0; i < num_comments; i++)
-		if(0 != object_array[i].entry)
-			free(object_array[i].entry);
-
-	if(0 != object_array)
-		free(object_array);
-}
-
-static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_copy_(const FLAC__StreamMetadata_VorbisComment_Entry *object_array, unsigned num_comments)
-{
-	FLAC__StreamMetadata_VorbisComment_Entry *return_array;
-
-	FLAC__ASSERT(0 != object_array);
-	FLAC__ASSERT(num_comments > 0);
-
-	return_array = vorbiscomment_entry_array_new_(num_comments);
-
-	if(0 != return_array) {
-		unsigned i;
-
-		for(i = 0; i < num_comments; i++) {
-			if(!copy_vcentry_(return_array+i, object_array+i)) {
-				vorbiscomment_entry_array_delete_(return_array, num_comments);
-				return 0;
-			}
-		}
-	}
-
-	return return_array;
-}
-
-static FLAC__bool vorbiscomment_set_entry_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry *dest, const FLAC__StreamMetadata_VorbisComment_Entry *src, FLAC__bool copy)
-{
-	FLAC__byte *save;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(0 != dest);
-	FLAC__ASSERT(0 != src);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-	FLAC__ASSERT((0 != src->entry && src->length > 0) || (0 == src->entry && src->length == 0));
-
-	save = dest->entry;
-
-	if(0 != src->entry && src->length > 0) {
-		if(copy) {
-			/* do the copy first so that if we fail we leave the dest object untouched */
-			if(!copy_vcentry_(dest, src))
-				return false;
-		}
-		else {
-			/* we have to make sure that the string we're taking over is null-terminated */
-
-			/*
-			 * Stripping the const from src->entry is OK since we're taking
-			 * ownership of the pointer.  This is a hack around a deficiency
-			 * in the API where the same function is used for 'copy' and
-			 * 'own', but the source entry is a const pointer.  If we were
-			 * precise, the 'own' flavor would be a separate function with a
-			 * non-const source pointer.  But it's not, so we hack away.
-			 */
-			if(!ensure_null_terminated_((FLAC__byte**)(&src->entry), src->length))
-				return false;
-			*dest = *src;
-		}
-	}
-	else {
-		/* the src is null */
-		*dest = *src;
-	}
-
-	if(0 != save)
-		free(save);
-
-	vorbiscomment_calculate_length_(object);
-	return true;
-}
-
-static int vorbiscomment_find_entry_from_(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name, unsigned field_name_length)
-{
-	unsigned i;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-	FLAC__ASSERT(0 != field_name);
-
-	for(i = offset; i < object->data.vorbis_comment.num_comments; i++) {
-		if(FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length))
-			return (int)i;
-	}
-
-	return -1;
-}
-
-static void cuesheet_calculate_length_(FLAC__StreamMetadata *object)
-{
-	unsigned i;
-
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
-	object->length = (
-		FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN
-	) / 8;
-
-	object->length += object->data.cue_sheet.num_tracks * (
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN +
-		FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN
-	) / 8;
-
-	for(i = 0; i < object->data.cue_sheet.num_tracks; i++) {
-		object->length += object->data.cue_sheet.tracks[i].num_indices * (
-			FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN +
-			FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN +
-			FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN
-		) / 8;
-	}
-}
-
-static FLAC__StreamMetadata_CueSheet_Index *cuesheet_track_index_array_new_(unsigned num_indices)
-{
-	FLAC__ASSERT(num_indices > 0);
-
-	return (FLAC__StreamMetadata_CueSheet_Index*)calloc(num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index));
-}
-
-static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_new_(unsigned num_tracks)
-{
-	FLAC__ASSERT(num_tracks > 0);
-
-	return (FLAC__StreamMetadata_CueSheet_Track*)calloc(num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-}
-
-static void cuesheet_track_array_delete_(FLAC__StreamMetadata_CueSheet_Track *object_array, unsigned num_tracks)
-{
-	unsigned i;
-
-	FLAC__ASSERT(0 != object_array && num_tracks > 0);
-
-	for(i = 0; i < num_tracks; i++) {
-		if(0 != object_array[i].indices) {
-			FLAC__ASSERT(object_array[i].num_indices > 0);
-			free(object_array[i].indices);
-		}
-	}
-
-	if(0 != object_array)
-		free(object_array);
-}
-
-static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_copy_(const FLAC__StreamMetadata_CueSheet_Track *object_array, unsigned num_tracks)
-{
-	FLAC__StreamMetadata_CueSheet_Track *return_array;
-
-	FLAC__ASSERT(0 != object_array);
-	FLAC__ASSERT(num_tracks > 0);
-
-	return_array = cuesheet_track_array_new_(num_tracks);
-
-	if(0 != return_array) {
-		unsigned i;
-
-		for(i = 0; i < num_tracks; i++) {
-			if(!copy_track_(return_array+i, object_array+i)) {
-				cuesheet_track_array_delete_(return_array, num_tracks);
-				return 0;
-			}
-		}
-	}
-
-	return return_array;
-}
-
-static FLAC__bool cuesheet_set_track_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_CueSheet_Track *dest, const FLAC__StreamMetadata_CueSheet_Track *src, FLAC__bool copy)
-{
-	FLAC__StreamMetadata_CueSheet_Index *save;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(0 != dest);
-	FLAC__ASSERT(0 != src);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-	FLAC__ASSERT((0 != src->indices && src->num_indices > 0) || (0 == src->indices && src->num_indices == 0));
-
-	save = dest->indices;
-
-	/* do the copy first so that if we fail we leave the object untouched */
-	if(copy) {
-		if(!copy_track_(dest, src))
-			return false;
-	}
-	else {
-		*dest = *src;
-	}
-
-	if(0 != save)
-		free(save);
-
-	cuesheet_calculate_length_(object);
-	return true;
-}
-
-
-/****************************************************************************
- *
- * Metadata object routines
- *
- ***************************************************************************/
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_new(FLAC__MetadataType type)
-{
-	FLAC__StreamMetadata *object;
-
-	if(type > FLAC__MAX_METADATA_TYPE_CODE)
-		return 0;
-
-	object = (FLAC__StreamMetadata*)calloc(1, sizeof(FLAC__StreamMetadata));
-	if(0 != object) {
-		object->is_last = false;
-		object->type = type;
-		switch(type) {
-			case FLAC__METADATA_TYPE_STREAMINFO:
-				object->length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
-				break;
-			case FLAC__METADATA_TYPE_PADDING:
-				/* calloc() took care of this for us:
-				object->length = 0;
-				*/
-				break;
-			case FLAC__METADATA_TYPE_APPLICATION:
-				object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-				/* calloc() took care of this for us:
-				object->data.application.data = 0;
-				*/
-				break;
-			case FLAC__METADATA_TYPE_SEEKTABLE:
-				/* calloc() took care of this for us:
-				object->length = 0;
-				object->data.seek_table.num_points = 0;
-				object->data.seek_table.points = 0;
-				*/
-				break;
-			case FLAC__METADATA_TYPE_VORBIS_COMMENT:
-				{
-					object->data.vorbis_comment.vendor_string.length = (unsigned)strlen(FLAC__VENDOR_STRING);
-					if(!copy_bytes_(&object->data.vorbis_comment.vendor_string.entry, (const FLAC__byte*)FLAC__VENDOR_STRING, object->data.vorbis_comment.vendor_string.length+1)) {
-						free(object);
-						return 0;
-					}
-					vorbiscomment_calculate_length_(object);
-				}
-				break;
-			case FLAC__METADATA_TYPE_CUESHEET:
-				cuesheet_calculate_length_(object);
-				break;
-			default:
-				/* calloc() took care of this for us:
-				object->length = 0;
-				object->data.unknown.data = 0;
-				*/
-				break;
-		}
-	}
-
-	return object;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_clone(const FLAC__StreamMetadata *object)
-{
-	FLAC__StreamMetadata *to;
-
-	FLAC__ASSERT(0 != object);
-
-	if(0 != (to = FLAC__metadata_object_new(object->type))) {
-		to->is_last = object->is_last;
-		to->type = object->type;
-		to->length = object->length;
-		switch(to->type) {
-			case FLAC__METADATA_TYPE_STREAMINFO:
-				memcpy(&to->data.stream_info, &object->data.stream_info, sizeof(FLAC__StreamMetadata_StreamInfo));
-				break;
-			case FLAC__METADATA_TYPE_PADDING:
-				break;
-			case FLAC__METADATA_TYPE_APPLICATION:
-				memcpy(&to->data.application.id, &object->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8);
-				if(!copy_bytes_(&to->data.application.data, object->data.application.data, object->length - FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)) {
-					FLAC__metadata_object_delete(to);
-					return 0;
-				}
-				break;
-			case FLAC__METADATA_TYPE_SEEKTABLE:
-				to->data.seek_table.num_points = object->data.seek_table.num_points;
-				if(!copy_bytes_((FLAC__byte**)&to->data.seek_table.points, (FLAC__byte*)object->data.seek_table.points, object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint))) {
-					FLAC__metadata_object_delete(to);
-					return 0;
-				}
-				break;
-			case FLAC__METADATA_TYPE_VORBIS_COMMENT:
-				if(0 != to->data.vorbis_comment.vendor_string.entry) {
-					free(to->data.vorbis_comment.vendor_string.entry);
-					to->data.vorbis_comment.vendor_string.entry = 0;
-				}
-				if(!copy_vcentry_(&to->data.vorbis_comment.vendor_string, &object->data.vorbis_comment.vendor_string)) {
-					FLAC__metadata_object_delete(to);
-					return 0;
-				}
-				if(object->data.vorbis_comment.num_comments == 0) {
-					FLAC__ASSERT(0 == object->data.vorbis_comment.comments);
-					to->data.vorbis_comment.comments = 0;
-				}
-				else {
-					FLAC__ASSERT(0 != object->data.vorbis_comment.comments);
-					to->data.vorbis_comment.comments = vorbiscomment_entry_array_copy_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments);
-					if(0 == to->data.vorbis_comment.comments) {
-						FLAC__metadata_object_delete(to);
-						return 0;
-					}
-				}
-				to->data.vorbis_comment.num_comments = object->data.vorbis_comment.num_comments;
-				break;
-			case FLAC__METADATA_TYPE_CUESHEET:
-				memcpy(&to->data.cue_sheet, &object->data.cue_sheet, sizeof(FLAC__StreamMetadata_CueSheet));
-				if(object->data.cue_sheet.num_tracks == 0) {
-					FLAC__ASSERT(0 == object->data.cue_sheet.tracks);
-				}
-				else {
-					FLAC__ASSERT(0 != object->data.cue_sheet.tracks);
-					to->data.cue_sheet.tracks = cuesheet_track_array_copy_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks);
-					if(0 == to->data.cue_sheet.tracks) {
-						FLAC__metadata_object_delete(to);
-						return 0;
-					}
-				}
-				break;
-			default:
-				if(!copy_bytes_(&to->data.unknown.data, object->data.unknown.data, object->length)) {
-					FLAC__metadata_object_delete(to);
-					return 0;
-				}
-				break;
-		}
-	}
-
-	return to;
-}
-
-void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object)
-{
-	FLAC__ASSERT(0 != object);
-
-	switch(object->type) {
-		case FLAC__METADATA_TYPE_STREAMINFO:
-		case FLAC__METADATA_TYPE_PADDING:
-			break;
-		case FLAC__METADATA_TYPE_APPLICATION:
-			if(0 != object->data.application.data) {
-				free(object->data.application.data);
-				object->data.application.data = 0;
-			}
-			break;
-		case FLAC__METADATA_TYPE_SEEKTABLE:
-			if(0 != object->data.seek_table.points) {
-				free(object->data.seek_table.points);
-				object->data.seek_table.points = 0;
-			}
-			break;
-		case FLAC__METADATA_TYPE_VORBIS_COMMENT:
-			if(0 != object->data.vorbis_comment.vendor_string.entry) {
-				free(object->data.vorbis_comment.vendor_string.entry);
-				object->data.vorbis_comment.vendor_string.entry = 0;
-			}
-			if(0 != object->data.vorbis_comment.comments) {
-				FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0);
-				vorbiscomment_entry_array_delete_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments);
-			}
-			break;
-		case FLAC__METADATA_TYPE_CUESHEET:
-			if(0 != object->data.cue_sheet.tracks) {
-				FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0);
-				cuesheet_track_array_delete_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks);
-			}
-			break;
-		default:
-			if(0 != object->data.unknown.data) {
-				free(object->data.unknown.data);
-				object->data.unknown.data = 0;
-			}
-			break;
-	}
-}
-
-FLAC_API void FLAC__metadata_object_delete(FLAC__StreamMetadata *object)
-{
-	FLAC__metadata_object_delete_data(object);
-	free(object);
-}
-
-static FLAC__bool compare_block_data_streaminfo_(const FLAC__StreamMetadata_StreamInfo *block1, const FLAC__StreamMetadata_StreamInfo *block2)
-{
-	if(block1->min_blocksize != block2->min_blocksize)
-		return false;
-	if(block1->max_blocksize != block2->max_blocksize)
-		return false;
-	if(block1->min_framesize != block2->min_framesize)
-		return false;
-	if(block1->max_framesize != block2->max_framesize)
-		return false;
-	if(block1->sample_rate != block2->sample_rate)
-		return false;
-	if(block1->channels != block2->channels)
-		return false;
-	if(block1->bits_per_sample != block2->bits_per_sample)
-		return false;
-	if(block1->total_samples != block2->total_samples)
-		return false;
-	if(0 != memcmp(block1->md5sum, block2->md5sum, 16))
-		return false;
-	return true;
-}
-
-static FLAC__bool compare_block_data_application_(const FLAC__StreamMetadata_Application *block1, const FLAC__StreamMetadata_Application *block2, unsigned block_length)
-{
-	FLAC__ASSERT(0 != block1);
-	FLAC__ASSERT(0 != block2);
-	FLAC__ASSERT(block_length >= sizeof(block1->id));
-
-	if(0 != memcmp(block1->id, block2->id, sizeof(block1->id)))
-		return false;
-	if(0 != block1->data && 0 != block2->data)
-		return 0 == memcmp(block1->data, block2->data, block_length - sizeof(block1->id));
-	else
-		return block1->data == block2->data;
-}
-
-static FLAC__bool compare_block_data_seektable_(const FLAC__StreamMetadata_SeekTable *block1, const FLAC__StreamMetadata_SeekTable *block2)
-{
-	unsigned i;
-
-	FLAC__ASSERT(0 != block1);
-	FLAC__ASSERT(0 != block2);
-
-	if(block1->num_points != block2->num_points)
-		return false;
-
-	if(0 != block1->points && 0 != block2->points) {
-		for(i = 0; i < block1->num_points; i++) {
-			if(block1->points[i].sample_number != block2->points[i].sample_number)
-				return false;
-			if(block1->points[i].stream_offset != block2->points[i].stream_offset)
-				return false;
-			if(block1->points[i].frame_samples != block2->points[i].frame_samples)
-				return false;
-		}
-		return true;
-	}
-	else
-		return block1->points == block2->points;
-}
-
-static FLAC__bool compare_block_data_vorbiscomment_(const FLAC__StreamMetadata_VorbisComment *block1, const FLAC__StreamMetadata_VorbisComment *block2)
-{
-	unsigned i;
-
-	if(block1->vendor_string.length != block2->vendor_string.length)
-		return false;
-
-	if(0 != block1->vendor_string.entry && 0 != block2->vendor_string.entry) {
-		if(0 != memcmp(block1->vendor_string.entry, block2->vendor_string.entry, block1->vendor_string.length))
-			return false;
-	}
-	else if(block1->vendor_string.entry != block2->vendor_string.entry)
-		return false;
-
-	if(block1->num_comments != block2->num_comments)
-		return false;
-
-	for(i = 0; i < block1->num_comments; i++) {
-		if(0 != block1->comments[i].entry && 0 != block2->comments[i].entry) {
-			if(0 != memcmp(block1->comments[i].entry, block2->comments[i].entry, block1->comments[i].length))
-				return false;
-		}
-		else if(block1->comments[i].entry != block2->comments[i].entry)
-			return false;
-	}
-	return true;
-}
-
-static FLAC__bool compare_block_data_cuesheet_(const FLAC__StreamMetadata_CueSheet *block1, const FLAC__StreamMetadata_CueSheet *block2)
-{
-	unsigned i, j;
-
-	if(0 != strcmp(block1->media_catalog_number, block2->media_catalog_number))
-		return false;
-
-	if(block1->lead_in != block2->lead_in)
-		return false;
-
-	if(block1->is_cd != block2->is_cd)
-		return false;
-
-	if(block1->num_tracks != block2->num_tracks)
-		return false;
-
-	if(0 != block1->tracks && 0 != block2->tracks) {
-		FLAC__ASSERT(block1->num_tracks > 0);
-		for(i = 0; i < block1->num_tracks; i++) {
-			if(block1->tracks[i].offset != block2->tracks[i].offset)
-				return false;
-			if(block1->tracks[i].number != block2->tracks[i].number)
-				return false;
-			if(0 != memcmp(block1->tracks[i].isrc, block2->tracks[i].isrc, sizeof(block1->tracks[i].isrc)))
-				return false;
-			if(block1->tracks[i].type != block2->tracks[i].type)
-				return false;
-			if(block1->tracks[i].pre_emphasis != block2->tracks[i].pre_emphasis)
-				return false;
-			if(block1->tracks[i].num_indices != block2->tracks[i].num_indices)
-				return false;
-			if(0 != block1->tracks[i].indices && 0 != block2->tracks[i].indices) {
-				FLAC__ASSERT(block1->tracks[i].num_indices > 0);
-				for(j = 0; j < block1->tracks[i].num_indices; j++) {
-					if(block1->tracks[i].indices[j].offset != block2->tracks[i].indices[j].offset)
-						return false;
-					if(block1->tracks[i].indices[j].number != block2->tracks[i].indices[j].number)
-						return false;
-				}
-			}
-			else if(block1->tracks[i].indices != block2->tracks[i].indices)
-				return false;
-		}
-	}
-	else if(block1->tracks != block2->tracks)
-		return false;
-	return true;
-}
-
-static FLAC__bool compare_block_data_unknown_(const FLAC__StreamMetadata_Unknown *block1, const FLAC__StreamMetadata_Unknown *block2, unsigned block_length)
-{
-	FLAC__ASSERT(0 != block1);
-	FLAC__ASSERT(0 != block2);
-
-	if(0 != block1->data && 0 != block2->data)
-		return 0 == memcmp(block1->data, block2->data, block_length);
-	else
-		return block1->data == block2->data;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_is_equal(const FLAC__StreamMetadata *block1, const FLAC__StreamMetadata *block2)
-{
-	FLAC__ASSERT(0 != block1);
-	FLAC__ASSERT(0 != block2);
-
-	if(block1->type != block2->type) {
-		return false;
-	}
-	if(block1->is_last != block2->is_last) {
-		return false;
-	}
-	if(block1->length != block2->length) {
-		return false;
-	}
-	switch(block1->type) {
-		case FLAC__METADATA_TYPE_STREAMINFO:
-			return compare_block_data_streaminfo_(&block1->data.stream_info, &block2->data.stream_info);
-		case FLAC__METADATA_TYPE_PADDING:
-			return true; /* we don't compare the padding guts */
-		case FLAC__METADATA_TYPE_APPLICATION:
-			return compare_block_data_application_(&block1->data.application, &block2->data.application, block1->length);
-		case FLAC__METADATA_TYPE_SEEKTABLE:
-			return compare_block_data_seektable_(&block1->data.seek_table, &block2->data.seek_table);
-		case FLAC__METADATA_TYPE_VORBIS_COMMENT:
-			return compare_block_data_vorbiscomment_(&block1->data.vorbis_comment, &block2->data.vorbis_comment);
-		case FLAC__METADATA_TYPE_CUESHEET:
-			return compare_block_data_cuesheet_(&block1->data.cue_sheet, &block2->data.cue_sheet);
-		default:
-			return compare_block_data_unknown_(&block1->data.unknown, &block2->data.unknown, block1->length);
-	}
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_application_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, unsigned length, FLAC__bool copy)
-{
-	FLAC__byte *save;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_APPLICATION);
-	FLAC__ASSERT((0 != data && length > 0) || (0 == data && length == 0 && copy == false));
-
-	save = object->data.application.data;
-
-	/* do the copy first so that if we fail we leave the object untouched */
-	if(copy) {
-		if(!copy_bytes_(&object->data.application.data, data, length))
-			return false;
-	}
-	else {
-		object->data.application.data = data;
-	}
-
-	if(0 != save)
-		free(save);
-
-	object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8 + length;
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_resize_points(FLAC__StreamMetadata *object, unsigned new_num_points)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	if(0 == object->data.seek_table.points) {
-		FLAC__ASSERT(object->data.seek_table.num_points == 0);
-		if(0 == new_num_points)
-			return true;
-		else if(0 == (object->data.seek_table.points = seekpoint_array_new_(new_num_points)))
-			return false;
-	}
-	else {
-		const unsigned old_size = object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint);
-		const unsigned new_size = new_num_points * sizeof(FLAC__StreamMetadata_SeekPoint);
-
-		FLAC__ASSERT(object->data.seek_table.num_points > 0);
-
-		if(new_size == 0) {
-			free(object->data.seek_table.points);
-			object->data.seek_table.points = 0;
-		}
-		else if(0 == (object->data.seek_table.points = (FLAC__StreamMetadata_SeekPoint*)realloc(object->data.seek_table.points, new_size)))
-			return false;
-
-		/* if growing, set new elements to placeholders */
-		if(new_size > old_size) {
-			unsigned i;
-			for(i = object->data.seek_table.num_points; i < new_num_points; i++) {
-				object->data.seek_table.points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
-				object->data.seek_table.points[i].stream_offset = 0;
-				object->data.seek_table.points[i].frame_samples = 0;
-			}
-		}
-	}
-
-	object->data.seek_table.num_points = new_num_points;
-
-	seektable_calculate_length_(object);
-	return true;
-}
-
-FLAC_API void FLAC__metadata_object_seektable_set_point(FLAC__StreamMetadata *object, unsigned point_num, FLAC__StreamMetadata_SeekPoint point)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-	FLAC__ASSERT(point_num < object->data.seek_table.num_points);
-
-	object->data.seek_table.points[point_num] = point;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_insert_point(FLAC__StreamMetadata *object, unsigned point_num, FLAC__StreamMetadata_SeekPoint point)
-{
-	int i;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-	FLAC__ASSERT(point_num <= object->data.seek_table.num_points);
-
-	if(!FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points+1))
-		return false;
-
-	/* move all points >= point_num forward one space */
-	for(i = (int)object->data.seek_table.num_points-1; i > (int)point_num; i--)
-		object->data.seek_table.points[i] = object->data.seek_table.points[i-1];
-
-	FLAC__metadata_object_seektable_set_point(object, point_num, point);
-	seektable_calculate_length_(object);
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_delete_point(FLAC__StreamMetadata *object, unsigned point_num)
-{
-	unsigned i;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-	FLAC__ASSERT(point_num < object->data.seek_table.num_points);
-
-	/* move all points > point_num backward one space */
-	for(i = point_num; i < object->data.seek_table.num_points-1; i++)
-		object->data.seek_table.points[i] = object->data.seek_table.points[i+1];
-
-	return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_is_legal(const FLAC__StreamMetadata *object)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	return FLAC__format_seektable_is_legal(&object->data.seek_table);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_placeholders(FLAC__StreamMetadata *object, unsigned num)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	if(num > 0)
-		/* WATCHOUT: we rely on the fact that growing the array adds PLACEHOLDERS at the end */
-		return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points + num);
-	else
-		return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_point(FLAC__StreamMetadata *object, FLAC__uint64 sample_number)
-{
-	FLAC__StreamMetadata_SeekTable *seek_table;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	seek_table = &object->data.seek_table;
-
-	if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + 1))
-		return false;
-
-	seek_table->points[seek_table->num_points - 1].sample_number = sample_number;
-	seek_table->points[seek_table->num_points - 1].stream_offset = 0;
-	seek_table->points[seek_table->num_points - 1].frame_samples = 0;
-
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_points(FLAC__StreamMetadata *object, FLAC__uint64 sample_numbers[], unsigned num)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-	FLAC__ASSERT(0 != sample_numbers || num == 0);
-
-	if(num > 0) {
-		FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
-		unsigned i, j;
-
-		i = seek_table->num_points;
-
-		if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num))
-			return false;
-
-		for(j = 0; j < num; i++, j++) {
-			seek_table->points[i].sample_number = sample_numbers[j];
-			seek_table->points[i].stream_offset = 0;
-			seek_table->points[i].frame_samples = 0;
-		}
-	}
-
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points(FLAC__StreamMetadata *object, unsigned num, FLAC__uint64 total_samples)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-	FLAC__ASSERT(total_samples > 0);
-
-	if(num > 0) {
-		FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
-		unsigned i, j;
-
-		i = seek_table->num_points;
-
-		if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num))
-			return false;
-
-		for(j = 0; j < num; i++, j++) {
-			seek_table->points[i].sample_number = total_samples * (FLAC__uint64)j / (FLAC__uint64)num;
-			seek_table->points[i].stream_offset = 0;
-			seek_table->points[i].frame_samples = 0;
-		}
-	}
-
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_sort(FLAC__StreamMetadata *object, FLAC__bool compact)
-{
-	unsigned unique;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
-	unique = FLAC__format_seektable_sort(&object->data.seek_table);
-
-	return !compact || FLAC__metadata_object_seektable_resize_points(object, unique);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_vendor_string(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
-	if(!FLAC__format_vorbiscomment_entry_value_is_legal(entry.entry, entry.length))
-		return false;
-	return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.vendor_string, &entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_resize_comments(FLAC__StreamMetadata *object, unsigned new_num_comments)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	if(0 == object->data.vorbis_comment.comments) {
-		FLAC__ASSERT(object->data.vorbis_comment.num_comments == 0);
-		if(0 == new_num_comments)
-			return true;
-		else if(0 == (object->data.vorbis_comment.comments = vorbiscomment_entry_array_new_(new_num_comments)))
-			return false;
-	}
-	else {
-		const unsigned old_size = object->data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry);
-		const unsigned new_size = new_num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry);
-
-		FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0);
-
-		/* if shrinking, free the truncated entries */
-		if(new_num_comments < object->data.vorbis_comment.num_comments) {
-			unsigned i;
-			for(i = new_num_comments; i < object->data.vorbis_comment.num_comments; i++)
-				if(0 != object->data.vorbis_comment.comments[i].entry)
-					free(object->data.vorbis_comment.comments[i].entry);
-		}
-
-		if(new_size == 0) {
-			free(object->data.vorbis_comment.comments);
-			object->data.vorbis_comment.comments = 0;
-		}
-		else if(0 == (object->data.vorbis_comment.comments = (FLAC__StreamMetadata_VorbisComment_Entry*)realloc(object->data.vorbis_comment.comments, new_size)))
-			return false;
-
-		/* if growing, zero all the length/pointers of new elements */
-		if(new_size > old_size)
-			memset(object->data.vorbis_comment.comments + object->data.vorbis_comment.num_comments, 0, new_size - old_size);
-	}
-
-	object->data.vorbis_comment.num_comments = new_num_comments;
-
-	vorbiscomment_calculate_length_(object);
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_comment(FLAC__StreamMetadata *object, unsigned comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments);
-
-	if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
-		return false;
-	return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.comments[comment_num], &entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_insert_comment(FLAC__StreamMetadata *object, unsigned comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
-	FLAC__StreamMetadata_VorbisComment *vc;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-	FLAC__ASSERT(comment_num <= object->data.vorbis_comment.num_comments);
-
-	if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
-		return false;
-
-	vc = &object->data.vorbis_comment;
-
-	if(!FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments+1))
-		return false;
-
-	/* move all comments >= comment_num forward one space */
-	memmove(&vc->comments[comment_num+1], &vc->comments[comment_num], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-1-comment_num));
-	vc->comments[comment_num].length = 0;
-	vc->comments[comment_num].entry = 0;
-
-	return FLAC__metadata_object_vorbiscomment_set_comment(object, comment_num, entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_append_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-	return FLAC__metadata_object_vorbiscomment_insert_comment(object, object->data.vorbis_comment.num_comments, entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_replace_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool all, FLAC__bool copy)
-{
-	FLAC__ASSERT(0 != entry.entry && entry.length > 0);
-
-	if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
-		return false;
-
-	{
-		int i;
-		unsigned field_name_length;
-		const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
-
-		FLAC__ASSERT(0 != eq);
-
-		if(0 == eq)
-			return false; /* double protection */
-
-		field_name_length = eq-entry.entry;
-
-		if((i = vorbiscomment_find_entry_from_(object, 0, entry.entry, field_name_length)) >= 0) {
-			unsigned index = (unsigned)i;
-			if(!FLAC__metadata_object_vorbiscomment_set_comment(object, index, entry, copy))
-				return false;
-			if(all && (index+1 < object->data.vorbis_comment.num_comments)) {
-				for(i = vorbiscomment_find_entry_from_(object, index+1, entry.entry, field_name_length); i >= 0; ) {
-					if(!FLAC__metadata_object_vorbiscomment_delete_comment(object, (unsigned)i))
-						return false;
-					if((unsigned)i < object->data.vorbis_comment.num_comments)
-						i = vorbiscomment_find_entry_from_(object, (unsigned)i, entry.entry, field_name_length);
-					else
-						i = -1;
-				}
-			}
-			return true;
-		}
-		else
-			return FLAC__metadata_object_vorbiscomment_append_comment(object, entry, copy);
-	}
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_delete_comment(FLAC__StreamMetadata *object, unsigned comment_num)
-{
-	FLAC__StreamMetadata_VorbisComment *vc;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-	FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments);
-
-	vc = &object->data.vorbis_comment;
-
-	/* free the comment at comment_num */
-	if(0 != vc->comments[comment_num].entry)
-		free(vc->comments[comment_num].entry);
-
-	/* move all comments > comment_num backward one space */
-	memmove(&vc->comments[comment_num], &vc->comments[comment_num+1], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-comment_num-1));
-	vc->comments[vc->num_comments-1].length = 0;
-	vc->comments[vc->num_comments-1].entry = 0;
-
-	return FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(FLAC__StreamMetadata_VorbisComment_Entry *entry, const char *field_name, const char *field_value)
-{
-	FLAC__ASSERT(0 != entry);
-	FLAC__ASSERT(0 != field_name);
-	FLAC__ASSERT(0 != field_value);
-
-	if(!FLAC__format_vorbiscomment_entry_name_is_legal(field_name))
-		return false;
-	if(!FLAC__format_vorbiscomment_entry_value_is_legal(field_value, (unsigned)(-1)))
-		return false;
-
-	{
-		const size_t nn = strlen(field_name);
-		const size_t nv = strlen(field_value);
-		entry->length = nn + 1 /*=*/ + nv;
-		if(0 == (entry->entry = (FLAC__byte*)malloc(entry->length+1)))
-			return false;
-		memcpy(entry->entry, field_name, nn);
-		entry->entry[nn] = '=';
-		memcpy(entry->entry+nn+1, field_value, nv);
-		entry->entry[entry->length] = '\0';
-	}
-	
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(const FLAC__StreamMetadata_VorbisComment_Entry entry, char **field_name, char **field_value)
-{
-	FLAC__ASSERT(0 != entry.entry && entry.length > 0);
-	FLAC__ASSERT(0 != field_name);
-	FLAC__ASSERT(0 != field_value);
-
-	if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
-		return false;
-
-	{
-		const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
-		const size_t nn = eq-entry.entry;
-		const size_t nv = entry.length-nn-1; /* -1 for the '=' */
-		FLAC__ASSERT(0 != eq);
-		if(0 == eq)
-			return false; /* double protection */
-		if(0 == (*field_name = (char*)malloc(nn+1)))
-			return false;
-		if(0 == (*field_value = (char*)malloc(nv+1))) {
-			free(*field_name);
-			return false;
-		}
-		memcpy(*field_name, entry.entry, nn);
-		memcpy(*field_value, entry.entry+nn+1, nv);
-		(*field_name)[nn] = '\0';
-		(*field_value)[nv] = '\0';
-	}
-
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_matches(const FLAC__StreamMetadata_VorbisComment_Entry entry, const char *field_name, unsigned field_name_length)
-{
-	FLAC__ASSERT(0 != entry.entry && entry.length > 0);
-	{
-		const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
-#if defined _MSC_VER || defined __MINGW32__
-#define FLAC__STRNCASECMP strnicmp
-#else
-#define FLAC__STRNCASECMP strncasecmp
-#endif
-		return (0 != eq && (unsigned)(eq-entry.entry) == field_name_length && 0 == FLAC__STRNCASECMP(field_name, (const char *)entry.entry, field_name_length));
-#undef FLAC__STRNCASECMP
-	}
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_find_entry_from(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name)
-{
-	FLAC__ASSERT(0 != field_name);
-
-	return vorbiscomment_find_entry_from_(object, offset, field_name, strlen(field_name));
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entry_matching(FLAC__StreamMetadata *object, const char *field_name)
-{
-	const unsigned field_name_length = strlen(field_name);
-	unsigned i;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	for(i = 0; i < object->data.vorbis_comment.num_comments; i++) {
-		if(FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) {
-			if(!FLAC__metadata_object_vorbiscomment_delete_comment(object, i))
-				return -1;
-			else
-				return 1;
-		}
-	}
-
-	return 0;
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entries_matching(FLAC__StreamMetadata *object, const char *field_name)
-{
-	FLAC__bool ok = true;
-	unsigned matching = 0;
-	const unsigned field_name_length = strlen(field_name);
-	int i;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
-	/* must delete from end to start otherwise it will interfere with our iteration */
-	for(i = (int)object->data.vorbis_comment.num_comments - 1; ok && i >= 0; i--) {
-		if(FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) {
-			matching++;
-			ok &= FLAC__metadata_object_vorbiscomment_delete_comment(object, (unsigned)i);
-		}
-	}
-
-	return ok? (int)matching : -1;
-}
-
-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_new()
-{
-	return (FLAC__StreamMetadata_CueSheet_Track*)calloc(1, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-}
-
-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_clone(const FLAC__StreamMetadata_CueSheet_Track *object)
-{
-	FLAC__StreamMetadata_CueSheet_Track *to;
-
-	FLAC__ASSERT(0 != object);
-
-	if(0 != (to = FLAC__metadata_object_cuesheet_track_new())) {
-		if(!copy_track_(to, object)) {
-			FLAC__metadata_object_cuesheet_track_delete(to);
-			return 0;
-		}
-	}
-
-	return to;
-}
-
-void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object)
-{
-	FLAC__ASSERT(0 != object);
-
-	if(0 != object->indices) {
-		FLAC__ASSERT(object->num_indices > 0);
-		free(object->indices);
-	}
-}
-
-FLAC_API void FLAC__metadata_object_cuesheet_track_delete(FLAC__StreamMetadata_CueSheet_Track *object)
-{
-	FLAC__metadata_object_cuesheet_track_delete_data(object);
-	free(object);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_resize_indices(FLAC__StreamMetadata *object, unsigned track_num, unsigned new_num_indices)
-{
-	FLAC__StreamMetadata_CueSheet_Track *track;
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-	FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
-	track = &object->data.cue_sheet.tracks[track_num];
-
-	if(0 == track->indices) {
-		FLAC__ASSERT(track->num_indices == 0);
-		if(0 == new_num_indices)
-			return true;
-		else if(0 == (track->indices = cuesheet_track_index_array_new_(new_num_indices)))
-			return false;
-	}
-	else {
-		const unsigned old_size = track->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index);
-		const unsigned new_size = new_num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index);
-
-		FLAC__ASSERT(track->num_indices > 0);
-
-		if(new_size == 0) {
-			free(track->indices);
-			track->indices = 0;
-		}
-		else if(0 == (track->indices = (FLAC__StreamMetadata_CueSheet_Index*)realloc(track->indices, new_size)))
-			return false;
-
-		/* if growing, zero all the lengths/pointers of new elements */
-		if(new_size > old_size)
-			memset(track->indices + track->num_indices, 0, new_size - old_size);
-	}
-
-	track->num_indices = new_num_indices;
-
-	cuesheet_calculate_length_(object);
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num, FLAC__StreamMetadata_CueSheet_Index index)
-{
-	FLAC__StreamMetadata_CueSheet_Track *track;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-	FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-	FLAC__ASSERT(index_num <= object->data.cue_sheet.tracks[track_num].num_indices);
-
-	track = &object->data.cue_sheet.tracks[track_num];
-
-	if(!FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices+1))
-		return false;
-
-	/* move all indices >= index_num forward one space */
-	memmove(&track->indices[index_num+1], &track->indices[index_num], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-1-index_num));
-
-	track->indices[index_num] = index;
-	cuesheet_calculate_length_(object);
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_blank_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num)
-{
-	FLAC__StreamMetadata_CueSheet_Index index;
-	memset(&index, 0, sizeof(index));
-	return FLAC__metadata_object_cuesheet_track_insert_index(object, track_num, index_num, index);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_delete_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num)
-{
-	FLAC__StreamMetadata_CueSheet_Track *track;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-	FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-	FLAC__ASSERT(index_num < object->data.cue_sheet.tracks[track_num].num_indices);
-
-	track = &object->data.cue_sheet.tracks[track_num];
-
-	/* move all indices > index_num backward one space */
-	memmove(&track->indices[index_num], &track->indices[index_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-index_num-1));
-
-	FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices-1);
-	cuesheet_calculate_length_(object);
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_resize_tracks(FLAC__StreamMetadata *object, unsigned new_num_tracks)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
-	if(0 == object->data.cue_sheet.tracks) {
-		FLAC__ASSERT(object->data.cue_sheet.num_tracks == 0);
-		if(0 == new_num_tracks)
-			return true;
-		else if(0 == (object->data.cue_sheet.tracks = cuesheet_track_array_new_(new_num_tracks)))
-			return false;
-	}
-	else {
-		const unsigned old_size = object->data.cue_sheet.num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track);
-		const unsigned new_size = new_num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track);
-
-		FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0);
-
-		/* if shrinking, free the truncated entries */
-		if(new_num_tracks < object->data.cue_sheet.num_tracks) {
-			unsigned i;
-			for(i = new_num_tracks; i < object->data.cue_sheet.num_tracks; i++)
-				if(0 != object->data.cue_sheet.tracks[i].indices)
-					free(object->data.cue_sheet.tracks[i].indices);
-		}
-
-		if(new_size == 0) {
-			free(object->data.cue_sheet.tracks);
-			object->data.cue_sheet.tracks = 0;
-		}
-		else if(0 == (object->data.cue_sheet.tracks = (FLAC__StreamMetadata_CueSheet_Track*)realloc(object->data.cue_sheet.tracks, new_size)))
-			return false;
-
-		/* if growing, zero all the lengths/pointers of new elements */
-		if(new_size > old_size)
-			memset(object->data.cue_sheet.tracks + object->data.cue_sheet.num_tracks, 0, new_size - old_size);
-	}
-
-	object->data.cue_sheet.num_tracks = new_num_tracks;
-
-	cuesheet_calculate_length_(object);
-	return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_set_track(FLAC__StreamMetadata *object, unsigned track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
-	return cuesheet_set_track_(object, object->data.cue_sheet.tracks + track_num, track, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_track(FLAC__StreamMetadata *object, unsigned track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy)
-{
-	FLAC__StreamMetadata_CueSheet *cs;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-	FLAC__ASSERT(track_num <= object->data.cue_sheet.num_tracks);
-
-	cs = &object->data.cue_sheet;
-
-	if(!FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks+1))
-		return false;
-
-	/* move all tracks >= track_num forward one space */
-	memmove(&cs->tracks[track_num+1], &cs->tracks[track_num], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-1-track_num));
-	cs->tracks[track_num].num_indices = 0;
-	cs->tracks[track_num].indices = 0;
-
-	return FLAC__metadata_object_cuesheet_set_track(object, track_num, track, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_blank_track(FLAC__StreamMetadata *object, unsigned track_num)
-{
-	FLAC__StreamMetadata_CueSheet_Track track;
-	memset(&track, 0, sizeof(track));
-	return FLAC__metadata_object_cuesheet_insert_track(object, track_num, &track, /*copy=*/false);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_delete_track(FLAC__StreamMetadata *object, unsigned track_num)
-{
-	FLAC__StreamMetadata_CueSheet *cs;
-
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-	FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
-	cs = &object->data.cue_sheet;
-
-	/* free the track at track_num */
-	if(0 != cs->tracks[track_num].indices)
-		free(cs->tracks[track_num].indices);
-
-	/* move all tracks > track_num backward one space */
-	memmove(&cs->tracks[track_num], &cs->tracks[track_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-track_num-1));
-	cs->tracks[cs->num_tracks-1].num_indices = 0;
-	cs->tracks[cs->num_tracks-1].indices = 0;
-
-	return FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_is_legal(const FLAC__StreamMetadata *object, FLAC__bool check_cd_da_subset, const char **violation)
-{
-	FLAC__ASSERT(0 != object);
-	FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
-	return FLAC__format_cuesheet_is_legal(&object->data.cue_sheet, check_cd_da_subset, violation);
-}