+FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_(FILE *file, FLAC__StreamMetadata_CueSheet_Track *track)
+{
+ unsigned i, len;
+ FLAC__byte buffer[32]; /* asserted below that this is big enough */
+
+ FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64));
+ FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8);
+ FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8);
+
+ FLAC__ASSERT(0 != file);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ track->offset = unpack_uint64_(buffer, len);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ track->number = (FLAC__byte)unpack_uint32_(buffer, len);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8;
+ if(fread(track->isrc, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+
+ FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0);
+ len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN == 1);
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN == 1);
+ track->type = buffer[0] >> 7;
+ track->pre_emphasis = (buffer[0] >> 6) & 1;
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ track->num_indices = (FLAC__byte)unpack_uint32_(buffer, len);
+
+ if(track->num_indices == 0) {
+ track->indices = 0;
+ }
+ else if(0 == (track->indices = (FLAC__StreamMetadata_CueSheet_Index*)calloc(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index))))
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
+
+ for(i = 0; i < track->num_indices; i++) {
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ track->indices[i].offset = unpack_uint64_(buffer, len);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ track->indices[i].number = (FLAC__byte)unpack_uint32_(buffer, len);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ }
+
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
+}
+
+FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_(FILE *file, FLAC__StreamMetadata_CueSheet *block)
+{
+ unsigned i, len;
+ FLAC__Metadata_SimpleIteratorStatus status;
+ FLAC__byte buffer[sizeof(FLAC__uint64)]; /* the largest object we'll read in one shot */
+
+ FLAC__ASSERT(0 != file);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8;
+ if(fread(block->media_catalog_number, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ block->lead_in = unpack_uint64_(buffer, len);
+
+ FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0);
+ len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8;
+ if(fread(buffer, 1, len, file) != len)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ block->num_tracks = unpack_uint32_(buffer, len);
+
+ if(block->num_tracks == 0) {
+ block->tracks = 0;
+ }
+ else if(0 == (block->tracks = (FLAC__StreamMetadata_CueSheet_Track*)calloc(block->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track))))
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
+
+ for(i = 0; i < block->num_tracks; i++) {
+ if(FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK != (status = read_metadata_block_data_cuesheet_track_(file, block->tracks + i)))
+ return status;
+ }
+
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
+}
+