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/**
* @file malloc.c
* @brief malloc implementation.
*/
#include "malloc.h"
#include "malloc_internal.h"
t_heap g_heap = { 0 };
void *
malloc (size_t size)
{
t_zone **zone_list;
t_zone *zone;
t_chunk *chunk;
size_t alloc_max;
if (size == 0)
size = 1;
if (size <= TINY_MAX)
{
zone_list = &g_heap.tiny;
alloc_max = TINY_MAX;
}
else if (size <= SMALL_MAX)
{
zone_list = &g_heap.small;
alloc_max = SMALL_MAX;
}
else
{
zone_list = &g_heap.large;
alloc_max = size;
}
if (*zone_list == NULL)
{
zone = zone_new (alloc_max);
if (zone == NULL)
return (NULL);
*zone_list = zone;
}
else
zone = *zone_list;
chunk = (t_chunk *)((char *)zone + ALIGN (sizeof (t_zone)));
chunk->is_free = 0;
return ((char *)chunk + ALIGN (sizeof (t_chunk)));
}
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