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safer picture_compare(), removed one assert

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This commit is contained in:
Devaev Maxim
2020-07-06 14:36:05 +03:00
parent a91eba8d90
commit 6615a23361
1 changed files with 5 additions and 3 deletions
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8
src/picture.c
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@@ -73,8 +73,6 @@ void picture_append_data(struct picture_t *picture, const unsigned char *data, s
}
void picture_copy(const struct picture_t *src, struct picture_t *dest) {
assert(src->allocated);
picture_set_data(dest, src->data, src->used);
# define COPY(_field) dest->_field = src->_field
@@ -92,5 +90,9 @@ void picture_copy(const struct picture_t *src, struct picture_t *dest) {
}
bool picture_compare(const struct picture_t *a, const struct picture_t *b) {
return (a->used == b->used && !memcmp(a->data, b->data, b->used));
return (
a->allocated && b->allocated
&& a->used == b->used
&& !memcmp(a->data, b->data, b->used)
);
}