fix bug with infinite loop on remove-with-padding

diff --git a/src/metaflac/main.c b/src/metaflac/main.c
index 44951a2..e3ebdf0 100644 (file)
--- a/src/metaflac/main.c
+++ b/src/metaflac/main.c
@@ -1157,8 +1157,11 @@ FLAC__bool do_major_operation__remove(FLAC__Metadata_Chain *chain, const Command
        block_number = 0;
        while(ok && FLAC__metadata_iterator_next(iterator)) {
                block_number++;
-               if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number))
+               if(passes_filter(options, FLAC__metadata_iterator_get_block(iterator), block_number)) {
                        ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
+                       if(options->use_padding)
+                               ok &= FLAC__metadata_iterator_next(iterator);
+               }
        }
 
        FLAC__metadata_iterator_delete(iterator);
@@ -1176,8 +1179,11 @@ FLAC__bool do_major_operation__remove_all(FLAC__Metadata_Chain *chain, const Com
 
        FLAC__metadata_iterator_init(iterator, chain);
 
-       while(ok && FLAC__metadata_iterator_next(iterator))
+       while(ok && FLAC__metadata_iterator_next(iterator)) {
                ok &= FLAC__metadata_iterator_delete_block(iterator, options->use_padding);
+               if(options->use_padding)
+                       ok &= FLAC__metadata_iterator_next(iterator);
+       }
 
        FLAC__metadata_iterator_delete(iterator);
 
@@ -1547,13 +1553,13 @@ FLAC__bool remove_vc_all(FLAC__StreamMetadata *block, FLAC__bool *needs_write)
        FLAC__ASSERT(0 != needs_write);
 
        if(0 != block->data.vorbis_comment.comments) {
-               FLAC__ASSERT(block->data.vorbis_comment.num_comments == 0);
+               FLAC__ASSERT(block->data.vorbis_comment.num_comments > 0);
                if(!FLAC__metadata_object_vorbiscomment_resize_comments(block, 0))
                        return false;
                *needs_write = true;
        }
        else {
-               FLAC__ASSERT(block->data.vorbis_comment.num_comments > 0);
+               FLAC__ASSERT(block->data.vorbis_comment.num_comments == 0);
        }
 
        return true;