diff options
Diffstat (limited to 'tests/fuzztest/malloc_wrappers.c')
-rw-r--r-- | tests/fuzztest/malloc_wrappers.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/tests/fuzztest/malloc_wrappers.c b/tests/fuzztest/malloc_wrappers.c deleted file mode 100644 index ad69f1ce..00000000 --- a/tests/fuzztest/malloc_wrappers.c +++ /dev/null @@ -1,54 +0,0 @@ -#include "malloc_wrappers.h" -#include <stdint.h> -#include <assert.h> -#include <string.h> - -static size_t alloc_count = 0; - -/* Allocate memory and place check values before and after. */ -void* malloc_with_check(size_t size) -{ - size_t size32 = (size + 3) / 4 + 3; - uint32_t *buf = malloc(size32 * sizeof(uint32_t)); - buf[0] = size32; - buf[1] = 0xDEADBEEF; - buf[size32 - 1] = 0xBADBAD; - return buf + 2; -} - -/* Free memory allocated with malloc_with_check() and do the checks. */ -void free_with_check(void *mem) -{ - uint32_t *buf = (uint32_t*)mem - 2; - assert(buf[1] == 0xDEADBEEF); - assert(buf[buf[0] - 1] == 0xBADBAD); - free(buf); -} - -/* Track memory usage */ -void* counting_realloc(void *ptr, size_t size) -{ - /* Don't allocate crazy amounts of RAM when fuzzing */ - if (size > 1000000) - return NULL; - - if (!ptr && size) - alloc_count++; - - return realloc(ptr, size); -} - -void counting_free(void *ptr) -{ - if (ptr) - { - assert(alloc_count > 0); - alloc_count--; - free(ptr); - } -} - -size_t get_alloc_count() -{ - return alloc_count; -} |