void *malloc(size_t size)
{
void *ptr;
size = 0 ? 1 : size;
if (!g_map.tiny && !g_map.small && !g_map.large)
init_glob();
if (size + sizeof(t_header) > g_map.max_size || size > g_map.max_size)
return (NULL);
size += sizeof(t_block);
if (size - sizeof(t_block) <= g_map.size_tiny)
{
if (!g_map.tiny && new_map(g_map.size_tiny, &g_map.tiny, NULL) < 0)
return (NULL);
ptr = find_free_space(g_map.size_tiny, size, &g_map.tiny);
}
else if (size - sizeof(t_block) <= g_map.size_small)
{
if (!g_map.small && new_map(g_map.size_small, &g_map.small, NULL) < 0)
return (NULL);
ptr = find_free_space(g_map.size_small, size, &g_map.small);
}
else
ptr = large_alloc(size, &g_map.large);
if (ptr)
ptr = (void *)ptr + sizeof(t_block);
return (ptr);
}
void *nit_alloc(size_t s0)
{
switch (gc_option) {
#ifdef WITH_LIBGC
case gc_opt_boehm: return GC_MALLOC(s0);
#endif
case gc_opt_malloc: return calloc(1, s0);
case gc_opt_large:
default: return large_alloc(s0);
}
}
void *cgc_malloc_alloc(malloc_t *heap, cgc_size_t n)
{
void *ptr;
if (n > MAX_SIZE)
return NULL;
n = ALIGNED(n, 4);
if (n < TINY_SIZE)
ptr = tiny_alloc(heap, TINY_SIZE);
else if (n < SMALL_SIZE)
ptr = tiny_alloc(heap, n);
else if (n < LARGE_SIZE)
ptr = small_alloc(heap, n);
else
ptr = large_alloc(heap, n);
return ptr;
}