fix possibly uninitialized var if a file has no STREAMINFO block

diff --git a/src/metaflac/operations_shorthand_cuesheet.c b/src/metaflac/operations_shorthand_cuesheet.c
index f61d8f8..0998a37 100644 (file)
--- a/src/metaflac/operations_shorthand_cuesheet.c
+++ b/src/metaflac/operations_shorthand_cuesheet.c
@@ -30,7 +30,7 @@ FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata
        FLAC__bool ok = true;
        FLAC__StreamMetadata *cuesheet = 0;
        FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
-       FLAC__uint64 lead_out_offset;
+       FLAC__uint64 lead_out_offset = 0;
 
        if(0 == iterator)
                die("out of memory allocating iterator");
@@ -56,6 +56,12 @@ FLAC__bool do_shorthand_operation__cuesheet(const char *filename, FLAC__Metadata
                        cuesheet = block;
        } while(FLAC__metadata_iterator_next(iterator));
 
+       if(lead_out_offset == 0) {
+               fprintf(stderr, "%s: ERROR: FLAC stream has no STREAMINFO block\n", filename);
+               FLAC__metadata_iterator_delete(iterator);
+               return false;
+       }
+
        switch(operation->type) {
                case OP__IMPORT_CUESHEET_FROM:
                        if(0 != cuesheet) {