/
mk_memory.h
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/
mk_memory.h
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Monkey HTTP Server
* ==================
* Copyright 2001-2015 Monkey Software LLC <eduardo@monkey.io>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MK_MEM_H
#define MK_MEM_H
#include <stdio.h>
#ifdef MALLOC_JEMALLOC
#include <jemalloc/jemalloc.h>
#endif
#include "mk_macros.h"
typedef struct
{
char *data;
unsigned long len;
} mk_ptr_t;
#if ((__GNUC__ * 100 + __GNUC__MINOR__) > 430) /* gcc version > 4.3 */
# define ALLOCSZ_ATTR(x,...) __attribute__ ((alloc_size(x, ##__VA_ARGS__)))
#else
# define ALLOCSZ_ATTR(x,...)
#endif
static inline ALLOCSZ_ATTR(1)
void *mk_mem_malloc(const size_t size)
{
#ifdef MALLOC_JEMALLOC
void *aux = je_malloc(size);
#else
void *aux = malloc(size);
#endif
if (mk_unlikely(!aux && size)) {
perror("malloc");
return NULL;
}
return aux;
}
static inline ALLOCSZ_ATTR(1)
void *mk_mem_malloc_z(const size_t size)
{
#ifdef MALLOC_JEMALLOC
void *buf = je_calloc(1, size);
#else
void *buf = calloc(1, size);
#endif
if (mk_unlikely(!buf)) {
return NULL;
}
return buf;
}
static inline ALLOCSZ_ATTR(2)
void *mk_mem_realloc(void *ptr, const size_t size)
{
#ifdef MALLOC_JEMALLOC
void *aux = je_realloc(ptr, size);
#else
void *aux = realloc(ptr, size);
#endif
if (mk_unlikely(!aux && size)) {
perror("realloc");
return NULL;
}
return aux;
}
static inline void mk_mem_free(void *ptr)
{
#ifdef MALLOC_JEMALLOC
je_free(ptr);
#else
free(ptr);
#endif
}
void mk_mem_free(void *ptr);
void mk_mem_pointers_init(void);
/* mk_ptr_t_* */
mk_ptr_t mk_ptr_create(char *buf, long init, long end);
void mk_ptr_free(mk_ptr_t * p);
void mk_ptr_print(mk_ptr_t p);
char *mk_ptr_to_buf(mk_ptr_t p);
void mk_ptr_set(mk_ptr_t * p, char *data);
static inline void mk_ptr_reset(mk_ptr_t * p)
{
p->data = NULL;
p->len = 0;
}
#define mk_ptr_init(a) {a, sizeof(a) - 1}
#endif