1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3 /* Monkey HTTP Server
4 * ==================
5 * Copyright 2001-2017 Eduardo Silva <eduardo@monkey.io>
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 #ifndef MK_MEM_H
21 #define MK_MEM_H
22
23 #include <stdio.h>
24
25 #ifdef MALLOC_JEMALLOC
26 #include <jemalloc/jemalloc.h>
27 #endif
28
29 #include "mk_macros.h"
30
31 typedef struct
32 {
33 char *data;
34 unsigned long len;
35 } mk_ptr_t;
36
37 #ifdef __GNUC__
38 #if ((__GNUC__ * 100 + __GNUC__MINOR__) > 430) /* gcc version > 4.3 */
39 #define ALLOCSZ_ATTR(x,...) __attribute__ ((alloc_size(x, ##__VA_ARGS__)))
40 #else
41 #define ALLOCSZ_ATTR(x,...)
42 #endif
43 #else
44 #define ALLOCSZ_ATTR(x,...)
45 #endif
46
47 static inline ALLOCSZ_ATTR(1)
mk_mem_alloc(const size_t size)48 void *mk_mem_alloc(const size_t size)
49 {
50 #ifdef MALLOC_JEMALLOC
51 void *aux = je_malloc(size);
52 #else
53 void *aux = malloc(size);
54 #endif
55
56 if (mk_unlikely(!aux && size)) {
57 perror("malloc");
58 return NULL;
59 }
60
61 return aux;
62 }
63
64 static inline ALLOCSZ_ATTR(1)
mk_mem_alloc_z(const size_t size)65 void *mk_mem_alloc_z(const size_t size)
66 {
67 #ifdef MALLOC_JEMALLOC
68 void *buf = je_calloc(1, size);
69 #else
70 void *buf = calloc(1, size);
71 #endif
72
73 if (mk_unlikely(!buf)) {
74 return NULL;
75 }
76
77 return buf;
78 }
79
80 static inline ALLOCSZ_ATTR(2)
mk_mem_realloc(void * ptr,const size_t size)81 void *mk_mem_realloc(void *ptr, const size_t size)
82 {
83 #ifdef MALLOC_JEMALLOC
84 void *aux = je_realloc(ptr, size);
85 #else
86 void *aux = realloc(ptr, size);
87 #endif
88
89 if (mk_unlikely(!aux && size)) {
90 perror("realloc");
91 return NULL;
92 }
93
94 return aux;
95 }
96
mk_mem_free(void * ptr)97 static inline void mk_mem_free(void *ptr)
98 {
99 #ifdef MALLOC_JEMALLOC
100 je_free(ptr);
101 #else
102 free(ptr);
103 #endif
104 }
105
106 void mk_mem_free(void *ptr);
107 void mk_mem_pointers_init(void);
108
109 /* mk_ptr_t_* */
110 mk_ptr_t mk_ptr_create(char *buf, long init, long end);
111 void mk_ptr_free(mk_ptr_t * p);
112 void mk_ptr_print(mk_ptr_t p);
113 char *mk_ptr_to_buf(mk_ptr_t p);
114 void mk_ptr_set(mk_ptr_t * p, char *data);
115
mk_ptr_reset(mk_ptr_t * p)116 static inline void mk_ptr_reset(mk_ptr_t * p)
117 {
118 p->data = NULL;
119 p->len = 0;
120 }
121
122
123 #define mk_ptr_init(a) {a, sizeof(a) - 1}
124
125 #endif
126