FAR void *mm_calloc(FAR struct mm_heap_s *heap, size_t n, size_t elem_size)
{
FAR void *ret = NULL;
if (n > 0 && elem_size > 0)
{
ret = mm_zalloc(heap, n * elem_size);
}
return ret;
}
struct dyay *dyay_new(struct ymd_mach *vm, int max) {
struct dyay *x = NULL;
if (max <= 0)
max = 0;
x = gc_new(vm, sizeof(*x), T_DYAY);
x->count = 0;
x->max = max;
if (x->max > 0)
x->elem = mm_zalloc(vm, x->max, sizeof(*x->elem));
return x;
}
static struct kstr *kstr_new(struct ymd_mach *vm, int raw, const char *z,
int count) {
struct kstr *x = NULL;
if (count < 0)
count = strlen(z);
if (raw) {
x = mm_zalloc(vm, 1, sizeof(*x) + count);
x->type = T_KSTR;
x->marked = GC_GRAY_BIT0;
} else
x = gc_new(vm, sizeof(*x) + count, T_KSTR);
x->len = count;
if (!z)
memset(x->land, 0, count + 1);
else
memcpy(x->land, z, count);
return x;
}
FAR void *zalloc(size_t size)
{
#ifdef CONFIG_ARCH_ADDRENV
/* Use malloc() because it implements the sbrk() logic */
FAR void *alloc = malloc(size);
if (alloc)
{
memset(alloc, 0, size);
}
return alloc;
#else
/* Use mm_zalloc() becuase it implements the clear */
return mm_zalloc(USR_HEAP, size);
#endif
}
void *user_zalloc(size_t size)
{
void *buf = mm_zalloc(&g_mmheap_user, size);
assert_param(buf);
return buf;
}
FAR void *kmm_zalloc(size_t size)
{
return mm_zalloc(&g_kmmheap, size);
}