diff options
Diffstat (limited to 'libavcodec/lzo.c')
| -rw-r--r-- | libavcodec/lzo.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/lzo.c b/libavcodec/lzo.c index c78e1f364c..54edc800ac 100644 --- a/libavcodec/lzo.c +++ b/libavcodec/lzo.c @@ -86,11 +86,11 @@ static inline int get_len(LZOContext *c, int x, int mask) { static inline void copy(LZOContext *c, int cnt) { register uint8_t *src = c->in; register uint8_t *dst = c->out; - if (src + cnt > c->in_end || src + cnt < src) { + if (cnt > c->in_end - src) { cnt = c->in_end - src; c->error |= LZO_INPUT_DEPLETED; } - if (dst + cnt > c->out_end || dst + cnt < dst) { + if (cnt > c->out_end - dst) { cnt = c->out_end - dst; c->error |= LZO_OUTPUT_FULL; } @@ -121,7 +121,7 @@ static inline void copy_backptr(LZOContext *c, int back, int cnt) { c->error |= LZO_INVALID_BACKPTR; return; } - if (dst + cnt > c->out_end || dst + cnt < dst) { + if (cnt > c->out_end - dst) { cnt = c->out_end - dst; c->error |= LZO_OUTPUT_FULL; } |