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CLEANUP: chunk: adding NULL check to chunk_dup allocation.

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Avoiding harmful memcpy call if the allocation failed.
Resetting the size which avoids further harmful freeing
invalid pointer. Closer to the comment behavior description.
This commit is contained in:
David Carlier 2016-03-23 17:50:57 +00:00 committed by Willy Tarreau
parent 0b547059ec
commit 8ab1043c6b
1 changed files with 6 additions and 0 deletions
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6
include/common/chunk.h
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@ -177,6 +177,12 @@ static inline char *chunk_dup(struct chunk *dst, const struct chunk *src)
dst->size++;
dst->str = (char *)malloc(dst->size);
if (!dst->str) {
dst->len = 0;
dst->size = 0;
return NULL;
}
memcpy(dst->str, src->str, dst->len);
if (dst->len < dst->size)
dst->str[dst->len] = 0;