summaryrefslogblamecommitdiff
path: root/src/malloc/malloc_usable_size.c
blob: 672b518ad0ef15d9b3ad19a0538c6490aa88ca63 (plain) (tree)
1
2
3
4
5
6
7
8
9
                   
                        

                                                              
 

                                  
                                                              
 
#include <malloc.h>
#include "malloc_impl.h"
 
hidden void *(*const __realloc_dep)(void *, size_t) = realloc;

size_t malloc_usable_size(void *p)
{
	return p ? CHUNK_SIZE(MEM_TO_CHUNK(p)) - OVERHEAD : 0;
}