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improve code reuse for malloc API entry points

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Daniel Micay 2021-05-12 20:28:37 -04:00
parent 89faba4232
commit 26b74b87bf
1 changed files with 3 additions and 7 deletions
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10
h_malloc.c
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@ -1321,13 +1321,13 @@ static size_t adjust_size_for_canary(size_t size) {
static inline void *alloc(size_t size) { static inline void *alloc(size_t size) {
unsigned arena = init(); unsigned arena = init();
thread_unseal_metadata(); thread_unseal_metadata();
size = adjust_size_for_canary(size);
void *p = allocate(arena, size); void *p = allocate(arena, size);
thread_seal_metadata(); thread_seal_metadata();
return p; return p;
} }
EXPORT void *h_malloc(size_t size) { EXPORT void *h_malloc(size_t size) {
size = adjust_size_for_canary(size);
return alloc(size); return alloc(size);
} }
@ -1337,11 +1337,8 @@ EXPORT void *h_calloc(size_t nmemb, size_t size) {
errno = ENOMEM; errno = ENOMEM;
return NULL; return NULL;
} }
unsigned arena = init();
thread_unseal_metadata();
total_size = adjust_size_for_canary(total_size); total_size = adjust_size_for_canary(total_size);
void *p = allocate(arena, total_size); void *p = alloc(total_size);
thread_seal_metadata();
if (!ZERO_ON_FREE && likely(p != NULL) && total_size && total_size <= MAX_SLAB_SIZE_CLASS) { if (!ZERO_ON_FREE && likely(p != NULL) && total_size && total_size <= MAX_SLAB_SIZE_CLASS) {
memset(p, 0, total_size - canary_size); memset(p, 0, total_size - canary_size);
} }
@ -1349,12 +1346,11 @@ EXPORT void *h_calloc(size_t nmemb, size_t size) {
} }
EXPORT void *h_realloc(void *old, size_t size) { EXPORT void *h_realloc(void *old, size_t size) {
size = adjust_size_for_canary(size);
if (old == NULL) { if (old == NULL) {
return alloc(size); return alloc(size);
} }
size = adjust_size_for_canary(size);
if (size > MAX_SLAB_SIZE_CLASS) { if (size > MAX_SLAB_SIZE_CLASS) {
size = get_large_size_class(size); size = get_large_size_class(size);
if (unlikely(!size)) { if (unlikely(!size)) {