4coder/4coder_malloc_allocator.cpp

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2019-06-01 23:58:28 +00:00
/*
* 4coder malloc base allocator
*/
// TOP
#include <stdlib.h>
#include <malloc.h>
internal void*
base_reserve__malloc(void *user_data, umem size, umem *size_out){
*size_out = size;
return(malloc(size));
}
internal void
base_free__malloc(void *user_data, void *ptr){
free(ptr);
}
internal Base_Allocator
make_malloc_base_allocator(void){
return(make_base_allocator(base_reserve__malloc, 0, 0,
base_free__malloc, 0, 0));
}
global Base_Allocator malloc_base_allocator = {};
internal Arena
make_arena_malloc(umem chunk_size, umem align){
if (malloc_base_allocator.reserve == 0){
malloc_base_allocator = make_malloc_base_allocator();
}
return(make_arena(&malloc_base_allocator, chunk_size, align));
}
internal Arena
make_arena_malloc(umem chunk_size){
return(make_arena_malloc(chunk_size, 8));
}
internal Arena
make_arena_malloc(void){
return(make_arena_malloc(KB(16), 8));
}
// BOTTOM