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lavc/gifdec: simplify "!= 0" checks

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-01-25 12:13:17 +00:00
parent f1412c7997
commit aaebdce3d9
1 changed files with 3 additions and 3 deletions
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6
libavcodec/gifdec.c
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@ -338,7 +338,7 @@ static int gif_read_extension(GifState *s)
/* NOTE: many extension blocks can come after */
discard_ext:
while (ext_len != 0) {
while (ext_len) {
/* There must be at least ext_len bytes and 1 for next block size byte. */
if (bytestream2_get_bytes_left(&s->gb) < ext_len + 1)
return AVERROR_INVALIDDATA;
@ -362,8 +362,8 @@ static int gif_read_header1(GifState *s)
/* read gif signature */
bytestream2_get_bufferu(&s->gb, sig, 6);
if (memcmp(sig, gif87a_sig, 6) != 0 &&
memcmp(sig, gif89a_sig, 6) != 0)
if (memcmp(sig, gif87a_sig, 6) &&
memcmp(sig, gif89a_sig, 6))
return AVERROR_INVALIDDATA;
/* read screen header */