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return NULL for a zero size memdup

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Andrew Tridgell
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parent d0fc1675df
commit 9416b58b9c
1 changed files with 1 additions and 0 deletions
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source/lib/util.c
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@@ -2581,6 +2581,7 @@ like strdup but for memory
void *memdup(void *p, size_t size) void *memdup(void *p, size_t size)
{ {
void *p2; void *p2;
if (size == 0) return NULL;
p2 = malloc(size); p2 = malloc(size);
if (!p2) return NULL; if (!p2) return NULL;
memcpy(p2, p, size); memcpy(p2, p, size);