ftb/allocation_stats.hpp

#pragma once
#include <stdlib.h>
#include <stdio.h>

#include "types.hpp"

#ifdef USE_FTB_MALLOC
namespace Ftb_Malloc_Stats {
    u32 malloc_calls  = 0;
    u32 free_calls    = 0;
    u32 realloc_calls = 0;
    u32 calloc_calls  = 0;
    u32 alloca_calls  = 0;
}

#define ftb_malloc(size)       (++Ftb_Malloc_Stats::malloc_calls,  malloc(size))
#define ftb_free(ptr)          (++Ftb_Malloc_Stats::free_calls,    free(ptr))
#define ftb_realloc(ptr, size) (++Ftb_Malloc_Stats::realloc_calls, realloc(ptr, size))
#define ftb_calloc(num, size)  (++Ftb_Malloc_Stats::calloc_calls,  calloc(num, size))
#define ftb_alloca(size)       (++Ftb_Malloc_Stats::alloca_calls,  alloca(size))

void print_malloc_stats() {
    printf("\n"
           "Malloc Stats:\n"
           "-------------\n"
           "  ftb_malloc  calls: %u\n"
           "  ftb_free    calls: %u\n"
           "  ftb_realloc calls: %u\n"
           "  ftb_calloc  calls: %u\n"
           "  ftb_alloca  calls: %u\n" ,
           Ftb_Malloc_Stats::malloc_calls,
           Ftb_Malloc_Stats::free_calls,
           Ftb_Malloc_Stats::realloc_calls,
           Ftb_Malloc_Stats::calloc_calls,
           Ftb_Malloc_Stats::alloca_calls);
}
#else
# define ftb_malloc  malloc
# define ftb_realloc realloc
# define ftb_calloc  calloc
# define ftb_free    free
# define ftb_alloca  alloca
#endif