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LibC: Add two little assertions in malloc() and malloc_size()

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This commit is contained in:
Andreas Kling 2020-11-08 01:13:07 +01:00
parent ae10c9d8ec
commit 79b45f96ee
1 changed files with 3 additions and 0 deletions
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3
Libraries/LibC/malloc.cpp
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@ -310,6 +310,7 @@ static void* malloc_impl(size_t size)
--block->m_free_chunks; --block->m_free_chunks;
void* ptr = block->m_freelist; void* ptr = block->m_freelist;
ASSERT(ptr);
block->m_freelist = block->m_freelist->next; block->m_freelist = block->m_freelist->next;
if (block->is_full()) { if (block->is_full()) {
g_malloc_stats.number_of_blocks_full++; g_malloc_stats.number_of_blocks_full++;
@ -455,6 +456,8 @@ size_t malloc_size(void* ptr)
auto size = header->m_size; auto size = header->m_size;
if (header->m_magic == MAGIC_BIGALLOC_HEADER) if (header->m_magic == MAGIC_BIGALLOC_HEADER)
size -= sizeof(CommonHeader); size -= sizeof(CommonHeader);
else
ASSERT(header->m_magic == MAGIC_PAGE_HEADER);
return size; return size;
} }