inline static void*
clean_prefix(char* ptr) {
size_t size = je_malloc_usable_size(ptr);
uint32_t *p = (uint32_t *)(ptr + size - sizeof(uint32_t));
uint32_t handle;
memcpy(&handle, p, sizeof(handle));
update_xmalloc_stat_free(handle, size);
return ptr;
}
size_t
malloc_usable_size_impl(usable_ptr_t ptr)
{
if (MOZ_UNLIKELY(!replace_malloc_initialized))
init();
if (MOZ_LIKELY(!replace_malloc_usable_size))
return je_malloc_usable_size(ptr);
return replace_malloc_usable_size(ptr);
}
inline static void*
fill_prefix(char* ptr) {
uint32_t handle = skynet_current_handle();
size_t size = je_malloc_usable_size(ptr);
uint32_t *p = (uint32_t *)(ptr + size - sizeof(uint32_t));
memcpy(p, &handle, sizeof(handle));
update_xmalloc_stat_alloc(handle, size);
return ptr;
}
inline static void*
fill_prefix(char* ptr) {
uint32_t handle = skynet_current_handle();
size_t size = je_malloc_usable_size(ptr);
struct mem_cookie *p = (struct mem_cookie *)(ptr + size - sizeof(struct mem_cookie));
memcpy(&p->handle, &handle, sizeof(handle));
#ifdef MEMORY_CHECK
uint32_t dogtag = MEMORY_ALLOCTAG;
memcpy(&p->dogtag, &dogtag, sizeof(dogtag));
#endif
update_xmalloc_stat_alloc(handle, size);
return ptr;
}
inline static void*
clean_prefix(char* ptr) {
size_t size = je_malloc_usable_size(ptr);
struct mem_cookie *p = (struct mem_cookie *)(ptr + size - sizeof(struct mem_cookie));
uint32_t handle;
memcpy(&handle, &p->handle, sizeof(handle));
#ifdef MEMORY_CHECK
uint32_t dogtag;
memcpy(&dogtag, &p->dogtag, sizeof(dogtag));
if (dogtag == MEMORY_FREETAG) {
fprintf(stderr, "xmalloc: double free in :%08x\n", handle);
}
assert(dogtag == MEMORY_ALLOCTAG); // memory out of bounds
dogtag = MEMORY_FREETAG;
memcpy(&p->dogtag, &dogtag, sizeof(dogtag));
#endif
update_xmalloc_stat_free(handle, size);
return ptr;
}
