avcodec/iff: Use signed count

This is more a style fix than a bugfix (CID1604392 Overflowed constant)

Michael Niedermayer committed 2 years ago

Commit cfe66df1 parent 1e888fb1 file · +2 −2Browse files

Unified · Split

libavcodec/iff.c+2−2

@@ -523,7 +523,7 @@ static int decode_byterun2(uint8_t *dst, int height, int line_size, · 522 unmodified lines
523	523	GetByteContext *gb)
524	524	{
525	525	GetByteContext cmds;
526		− unsigned count;
	526	+ int count;
527	527	int i, y_pos = 0, x_pos = 0;
528	528
529	529	if (bytestream2_get_be32(gb) != MKBETAG('V', 'D', 'A', 'T'))
@@ -531,7 +531,7 @@ static int decode_byterun2(uint8_t *dst, int height, int line_size, · 1 unmodified line
531	531
532	532	bytestream2_skip(gb, 4);
533	533	count = bytestream2_get_be16(gb) - 2;
534		− if (bytestream2_get_bytes_left(gb) < count)
	534	+ if (count < 0 \|\| bytestream2_get_bytes_left(gb) < count)
535	535	return 0;
536	536
537	537	bytestream2_init(&cmds, gb->buffer, count);