add some asserts
diff --git a/src/libFLAC/metadata_object.c b/src/libFLAC/metadata_object.c
index 12f6b90..1307242 100644
--- a/src/libFLAC/metadata_object.c
+++ b/src/libFLAC/metadata_object.c
@@ -949,6 +949,9 @@
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);
+
return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.comments[comment_num], &entry, copy);
}
@@ -1235,6 +1238,9 @@
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);
}