1 /*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2014 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include <string.h>
26 #include "nghttp2_mem.h"
27
28 #ifdef INFRA_MEM_STATS
29 #include "infra_mem_stats.h"
30 #endif
31
32 extern void *HAL_Malloc(uint32_t size);
33 extern void HAL_Free(void *ptr);
34
default_malloc(size_t size,void * mem_user_data)35 static void *default_malloc(size_t size, void *mem_user_data)
36 {
37 (void)mem_user_data;
38
39 #ifdef INFRA_MEM_STATS
40 return LITE_malloc(size, MEM_MAGIC, "nghttp2");
41 #else
42 return HAL_Malloc(size);
43 #endif
44 }
45
default_free(void * ptr,void * mem_user_data)46 static void default_free(void *ptr, void *mem_user_data)
47 {
48 (void)mem_user_data;
49 if (ptr != NULL) {
50 #ifdef INFRA_MEM_STATS
51 LITE_free(ptr);
52 #else
53 HAL_Free((void *)ptr);
54 ptr = NULL;
55 #endif
56 }
57 }
58
default_calloc(size_t nmemb,size_t size,void * mem_user_data)59 static void *default_calloc(size_t nmemb, size_t size, void *mem_user_data)
60 {
61 /* (void)mem_user_data; */
62
63 #ifdef INFRA_MEM_STATS
64 return LITE_calloc(nmemb, size, MEM_MAGIC, "nghttp2");
65 #else
66 void *ptr = HAL_Malloc(nmemb * size);
67 if (ptr != NULL) {
68 memset(ptr, 0, nmemb * size);
69 }
70 return ptr;
71 #endif
72 }
73
default_realloc(void * ptr,size_t size,void * mem_user_data)74 static void *default_realloc(void *ptr, size_t size, void *mem_user_data)
75 {
76 (void)mem_user_data;
77
78 #ifdef INFRA_MEM_STATS
79 return LITE_realloc(ptr, size, MEM_MAGIC, "nghttp2");
80 #else
81 return realloc(ptr, size);
82 #endif
83 }
84
85 static nghttp2_mem mem_default = { NULL, default_malloc, default_free,
86 default_calloc, default_realloc };
87
nghttp2_mem_default(void)88 nghttp2_mem *nghttp2_mem_default(void)
89 {
90 return &mem_default;
91 }
92
nghttp2_mem_malloc(nghttp2_mem * mem,size_t size)93 void *nghttp2_mem_malloc(nghttp2_mem *mem, size_t size)
94 {
95 return mem->malloc(size, mem->mem_user_data);
96 }
97
nghttp2_mem_free(nghttp2_mem * mem,void * ptr)98 void nghttp2_mem_free(nghttp2_mem *mem, void *ptr)
99 {
100 mem->free(ptr, mem->mem_user_data);
101 }
102
nghttp2_mem_free2(nghttp2_free free_func,void * ptr,void * mem_user_data)103 void nghttp2_mem_free2(nghttp2_free free_func, void *ptr, void *mem_user_data)
104 {
105 free_func(ptr, mem_user_data);
106 }
107
nghttp2_mem_calloc(nghttp2_mem * mem,size_t nmemb,size_t size)108 void *nghttp2_mem_calloc(nghttp2_mem *mem, size_t nmemb, size_t size)
109 {
110 return mem->calloc(nmemb, size, mem->mem_user_data);
111 }
112
nghttp2_mem_realloc(nghttp2_mem * mem,void * ptr,size_t size)113 void *nghttp2_mem_realloc(nghttp2_mem *mem, void *ptr, size_t size)
114 {
115 return mem->realloc(ptr, size, mem->mem_user_data);
116 }
117