flac/foreign_metadata: Fix for odd RIFF chunk size
Accept odd values to ckSize of RIFF chunk. FLAC should read these
but should avoid creating them.
Patch-from: lvqcl <lvqcl.mail@gmail.com>
Closes: https://sourceforge.net/p/flac/support-requests/152/
Closes: https://sourceforge.net/p/flac/bugs/419/
diff --git a/src/flac/foreign_metadata.c b/src/flac/foreign_metadata.c
index 8afe694..d01f466 100644
--- a/src/flac/foreign_metadata.c
+++ b/src/flac/foreign_metadata.c
@@ -198,8 +198,11 @@
}
if(!append_block_(fm, offset, 12, error))
return false;
- if(!fm->is_rf64 || unpack32le_(buffer+4) != 0xffffffffu)
+ if(!fm->is_rf64 || unpack32le_(buffer+4) != 0xffffffffu) {
eof_offset = (FLAC__off_t)8 + (FLAC__off_t)unpack32le_(buffer+4);
+ if(eof_offset & 1) /* fix odd RIFF size */
+ eof_offset++;
+ }
while(!feof(f)) {
FLAC__uint32 size;
if((offset = ftello(f)) < 0) {