From 23e4baefc2669c271f78402f5e9523d9f60a4cfe Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Wed, 13 Apr 2016 01:35:42 +0200
Subject: [PATCH] Enforcing undefined behavior of malloc.
---
src/core/lib/support/alloc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/core/lib/support/alloc.c b/src/core/lib/support/alloc.c
index 020917f79c..618c3f6acd 100644
--- a/src/core/lib/support/alloc.c
+++ b/src/core/lib/support/alloc.c
@@ -53,6 +53,7 @@ void gpr_set_allocation_functions(gpr_allocation_functions functions) {
void *gpr_malloc(size_t size) {
void *p;
+ if (size == 0) return NULL;
GPR_TIMER_BEGIN("gpr_malloc", 0);
p = g_alloc_functions.malloc_fn(size);
if (!p) {
@@ -69,6 +70,7 @@ void gpr_free(void *p) {
}
void *gpr_realloc(void *p, size_t size) {
+ if ((size == 0) && (p == NULL)) return NULL;
GPR_TIMER_BEGIN("gpr_realloc", 0);
p = g_alloc_functions.realloc_fn(p, size);
if (!p) {
--
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