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LibC: Let malloc(0) return nullptr.

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This commit is contained in:
Andreas Kling 2019-01-23 07:32:16 +01:00
parent 0ebaa35aa1
commit cfa197f821
Notes: sideshowbarker 2024-07-19 15:58:20 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/cfa197f821f
1 changed files with 3 additions and 0 deletions
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LibC/stdlib.cpp
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@ -42,6 +42,9 @@ static uint32_t s_malloc_sum_free = POOL_SIZE;
void* malloc(size_t size)
{
if (size == 0)
return nullptr;
// We need space for the MallocHeader structure at the head of the block.
size_t real_size = size + sizeof(MallocHeader) + sizeof(MallocFooter);