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enable double free and heap corruption detection in debug mode

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daan 2019-10-28 15:54:33 -07:00
parent 87bdfbb9b6
commit b052d3b731
7 changed files with 104 additions and 49 deletions
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6
src/page.c
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@ -512,7 +512,7 @@ static mi_decl_noinline void mi_page_free_list_extend( mi_page_t* page, size_t e
----------------------------------------------------------- */
#define MI_MAX_EXTEND_SIZE (4*1024) // heuristic, one OS page seems to work well.
#if MI_SECURE
#if (MI_SECURE>0)
#define MI_MIN_EXTEND (8*MI_SECURE) // extend at least by this many
#else
#define MI_MIN_EXTEND (1)
@ -579,7 +579,7 @@ static void mi_page_init(mi_heap_t* heap, mi_page_t* page, size_t block_size, mi
page->block_size = block_size;
mi_assert_internal(page_size / block_size < (1L<<16));
page->reserved = (uint16_t)(page_size / block_size);
#if MI_SECURE
#ifdef MI_ENCODE_FREELIST
page->cookie = _mi_heap_random(heap) | 1;
#endif
page->is_zero = page->is_zero_init;
@ -592,7 +592,7 @@ static void mi_page_init(mi_heap_t* heap, mi_page_t* page, size_t block_size, mi
mi_assert_internal(page->next == NULL);
mi_assert_internal(page->prev == NULL);
mi_assert_internal(!mi_page_has_aligned(page));
#if MI_SECURE
#if (MI_ENCODE_FREELIST)
mi_assert_internal(page->cookie != 0);
#endif
mi_assert_expensive(mi_page_is_valid_init(page));