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| author | zhouji <[email protected]> | 2021-12-12 11:16:26 +0800 |
|---|---|---|
| committer | Bernard Xiong <[email protected]> | 2021-12-14 06:16:59 +0800 |
| commit | 3327ffaa155b646d1ce04755388d1e0f8a522caa (patch) | |
| tree | 9b2e8538bd9fe1b64368cb325cb8a4221e2a0c81 | |
| parent | 7455e2487bd420c06ba7198228b0dcca297f83cc (diff) | |
[update] 使用memheap内存管理时，rt_malloc 0长度返回RT_NULL, 与slab与小内存管理等算法保持一致。
| -rw-r--r-- | src/memheap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/memheap.c b/src/memheap.c index 68a15d1a8e..9c3f570f29 100644 --- a/src/memheap.c +++ b/src/memheap.c @@ -850,6 +850,10 @@ void *rt_malloc(rt_size_t size) { void *ptr; + /* zero size, return RT_NULL */ + if (size == 0) + return RT_NULL; + /* try to allocate in system heap */ ptr = rt_memheap_alloc(&_heap, size); #ifdef RT_USING_MEMHEAP_AUTO_BINDING |