mud/fluffos-2.23-ds03/wrappedmalloc.c
2020-09-06 05:43:07 -07:00

59 lines
1.2 KiB
C

/*
wrapper functions for system malloc -- keep malloc stats.
Truilkan@TMI - 92/04/17
*/
#define IN_MALLOC_WRAPPER
#define NO_OPCODES
#include "std.h"
#include "my_malloc.h"
#include "lpc_incl.h"
#include "comm.h"
typedef struct stats_s {
unsigned int free_calls, alloc_calls, realloc_calls;
} stats_t;
static stats_t stats;
void wrappedmalloc_init()
{
stats.free_calls = 0;
stats.alloc_calls = 0;
stats.realloc_calls = 0;
}
INLINE void *wrappedrealloc (void * ptr, int size)
{
stats.realloc_calls++;
return (void *) REALLOC(ptr, size);
}
INLINE void *wrappedmalloc (int size)
{
stats.alloc_calls++;
return (void *) MALLOC(size);
}
INLINE void *wrappedcalloc (int nitems, int size)
{
stats.alloc_calls++;
return (void *) CALLOC(nitems, size);
}
INLINE void wrappedfree (void * ptr)
{
stats.free_calls++;
FREE(ptr);
}
void dump_malloc_data (outbuffer_t * ob)
{
outbuf_add(ob, "using wrapped malloc:\n\n");
outbuf_addv(ob, "#alloc calls: %10lu\n", stats.alloc_calls);
outbuf_addv(ob, "#free calls: %10lu\n", stats.free_calls);
outbuf_addv(ob, "#alloc - #free: %10lu\n",
stats.alloc_calls - stats.free_calls);
outbuf_addv(ob, "#realloc calls: %10lu\n", stats.realloc_calls);
}