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	GetByteContext *gb)	523	GetByteContext *gb)
524	{	524	{
525	GetByteContext cmds;	525	GetByteContext cmds;
526	unsigned count;	526	int count;
527	int i, y_pos = 0, x_pos = 0;	527	int i, y_pos = 0, x_pos = 0;
528		528
529	if (bytestream2_get_be32(gb) != MKBETAG('V', 'D', 'A', 'T'))	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	bytestream2_skip(gb, 4);	532	bytestream2_skip(gb, 4);
533	count = bytestream2_get_be16(gb) - 2;	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	return 0;	535	return 0;
536		536
537	bytestream2_init(&cmds, gb->buffer, count);	537	bytestream2_init(&cmds, gb->buffer, count);