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zmalloc.c
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zmalloc.c
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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <pthread.h>
#include "zmalloc.h"
static size_t used_memory = 0;
pthread_mutex_t used_memory_mutex = PTHREAD_MUTEX_INITIALIZER;
static void zmalloc_default_oom(size_t size) {
fprintf(stderr, "zmalloc: Out of memory trying to allocate %zu bytes\n",
size);
fflush(stderr);
abort();
}
static void (*zmalloc_oom_handler)(size_t) = zmalloc_default_oom;
//package malloc
void *zmalloc(size_t size) {
void *ptr = malloc(size);
if (!ptr) zmalloc_oom_handler(size);
return ptr;
}
//packege calloc
void *zcalloc(size_t size) {
void *ptr = calloc(1, size);
if (!ptr) zmalloc_oom_handler(size);
return ptr;
}
//package realloc
void *zrealloc(void *ptr, size_t size) {
void *realptr;
realptr = realloc(ptr,size);
if (!realptr) zmalloc_oom_handler(size);
return realptr;
}
//package free
void zfree(void *ptr) {
free(ptr);
}
int zmalloc_test(int argc, char **argv) {
return 0;
}