1/*
2 * nghttp3
3 *
4 * Copyright (c) 2019 nghttp3 contributors
5 * Copyright (c) 2017 ngtcp2 contributors
6 * Copyright (c) 2014 nghttp2 contributors
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27#include "nghttp3_mem.h"
28
29#include <stdio.h>
30
31static void *default_malloc(size_t size, void *user_data) {
32  (void)user_data;
33
34  return malloc(size);
35}
36
37static void default_free(void *ptr, void *user_data) {
38  (void)user_data;
39
40  free(ptr);
41}
42
43static void *default_calloc(size_t nmemb, size_t size, void *user_data) {
44  (void)user_data;
45
46  return calloc(nmemb, size);
47}
48
49static void *default_realloc(void *ptr, size_t size, void *user_data) {
50  (void)user_data;
51
52  return realloc(ptr, size);
53}
54
55static nghttp3_mem mem_default = {NULL, default_malloc, default_free,
56                                  default_calloc, default_realloc};
57
58const nghttp3_mem *nghttp3_mem_default(void) { return &mem_default; }
59
60#ifndef MEMDEBUG
61void *nghttp3_mem_malloc(const nghttp3_mem *mem, size_t size) {
62  return mem->malloc(size, mem->user_data);
63}
64
65void nghttp3_mem_free(const nghttp3_mem *mem, void *ptr) {
66  mem->free(ptr, mem->user_data);
67}
68
69void *nghttp3_mem_calloc(const nghttp3_mem *mem, size_t nmemb, size_t size) {
70  return mem->calloc(nmemb, size, mem->user_data);
71}
72
73void *nghttp3_mem_realloc(const nghttp3_mem *mem, void *ptr, size_t size) {
74  return mem->realloc(ptr, size, mem->user_data);
75}
76#else  /* MEMDEBUG */
77void *nghttp3_mem_malloc_debug(const nghttp3_mem *mem, size_t size,
78                               const char *func, const char *file,
79                               size_t line) {
80  void *nptr = mem->malloc(size, mem->user_data);
81
82  fprintf(stderr, "malloc %p size=%zu in %s at %s:%zu\n", nptr, size, func,
83          file, line);
84
85  return nptr;
86}
87
88void nghttp3_mem_free_debug(const nghttp3_mem *mem, void *ptr, const char *func,
89                            const char *file, size_t line) {
90  fprintf(stderr, "free ptr=%p in %s at %s:%zu\n", ptr, func, file, line);
91
92  mem->free(ptr, mem->user_data);
93}
94
95void nghttp3_mem_free2_debug(const nghttp3_free free_func, void *ptr,
96                             void *user_data, const char *func,
97                             const char *file, size_t line) {
98  fprintf(stderr, "free ptr=%p in %s at %s:%zu\n", ptr, func, file, line);
99
100  free_func(ptr, user_data);
101}
102
103void *nghttp3_mem_calloc_debug(const nghttp3_mem *mem, size_t nmemb,
104                               size_t size, const char *func, const char *file,
105                               size_t line) {
106  void *nptr = mem->calloc(nmemb, size, mem->user_data);
107
108  fprintf(stderr, "calloc %p nmemb=%zu size=%zu in %s at %s:%zu\n", nptr, nmemb,
109          size, func, file, line);
110
111  return nptr;
112}
113
114void *nghttp3_mem_realloc_debug(const nghttp3_mem *mem, void *ptr, size_t size,
115                                const char *func, const char *file,
116                                size_t line) {
117  void *nptr = mem->realloc(ptr, size, mem->user_data);
118
119  fprintf(stderr, "realloc %p ptr=%p size=%zu in %s at %s:%zu\n", nptr, ptr,
120          size, func, file, line);
121
122  return nptr;
123}
124#endif /* MEMDEBUG */
125