1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
#ifdef MALLOCDEBUG
/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* In order to be useful for every potential user, curl and libcurl are
* dual-licensed under the MPL and the MIT/X-derivate licenses.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the MPL or the MIT/X-derivate
* licenses. You may pick one of these licenses.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id: memdebug.c,v 1.22 2002/02/28 12:37:05 bagder Exp $
*****************************************************************************/
#include "setup.h"
#include <curl/curl.h>
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
#include <winsock.h>
#else /* some kind of unix */
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#endif
#define _MPRINTF_REPLACE
#include <curl/mprintf.h>
#include "urldata.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
/* DONT include memdebug.h here! */
struct memdebug {
int size;
char mem[1];
};
/*
* Note that these debug functions are very simple and they are meant to
* remain so. For advanced analysis, record a log file and write perl scripts
* to analyze them!
*
* Don't use these with multithreaded test programs!
*/
FILE *logfile;
/* this sets the log file name */
void curl_memdebug(const char *logname)
{
if(logname)
logfile = fopen(logname, "w");
else
logfile = stderr;
}
void *curl_domalloc(size_t wantedsize, int line, const char *source)
{
struct memdebug *mem;
size_t size;
/* alloc at least 64 bytes */
size = sizeof(struct memdebug)+wantedsize;
mem=(struct memdebug *)(malloc)(size);
if(mem) {
/* fill memory with junk */
memset(mem->mem, 0xA5, wantedsize);
mem->size = wantedsize;
}
if(logfile && source)
fprintf(logfile, "MEM %s:%d malloc(%d) = %p\n",
source, line, wantedsize, mem->mem);
return mem->mem;
}
char *curl_dostrdup(const char *str, int line, const char *source)
{
char *mem;
size_t len;
if(NULL ==str) {
fprintf(stderr, "ILLEGAL strdup() on NULL at %s:%d\n",
source, line);
exit(2);
}
len=strlen(str)+1;
mem=curl_domalloc(len, 0, NULL); /* NULL prevents logging */
memcpy(mem, str, len);
if(logfile)
fprintf(logfile, "MEM %s:%d strdup(%p) (%d) = %p\n",
source, line, str, len, mem);
return mem;
}
void *curl_dorealloc(void *ptr, size_t wantedsize,
int line, const char *source)
{
struct memdebug *mem;
size_t size = sizeof(struct memdebug)+wantedsize;
mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
mem=(struct memdebug *)(realloc)(mem, size);
if(logfile)
fprintf(logfile, "MEM %s:%d realloc(%p, %d) = %p\n",
source, line, ptr, wantedsize, mem?mem->mem:NULL);
if(mem) {
mem->size = wantedsize;
return mem->mem;
}
return NULL;
}
void curl_dofree(void *ptr, int line, const char *source)
{
struct memdebug *mem;
if(NULL == ptr) {
fprintf(stderr, "ILLEGAL free() on NULL at %s:%d\n",
source, line);
exit(2);
}
mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
/* destroy */
memset(mem->mem, 0x13, mem->size);
/* free for real */
(free)(mem);
if(logfile)
fprintf(logfile, "MEM %s:%d free(%p)\n", source, line, ptr);
}
int curl_socket(int domain, int type, int protocol, int line, char *source)
{
int sockfd=(socket)(domain, type, protocol);
if(logfile)
fprintf(logfile, "FD %s:%d socket() = %d\n",
source, line, sockfd);
return sockfd;
}
int curl_accept(int s, struct sockaddr *addr, socklen_t *addrlen,
int line, const char *source)
{
int sockfd=(accept)(s, addr, addrlen);
if(logfile)
fprintf(logfile, "FD %s:%d accept() = %d\n",
source, line, sockfd);
return sockfd;
}
/* this is our own defined way to close sockets on *ALL* platforms */
int curl_sclose(int sockfd, int line, char *source)
{
int res=sclose(sockfd);
if(logfile)
fprintf(logfile, "FD %s:%d sclose(%d)\n",
source, line, sockfd);
return res;
}
FILE *curl_fopen(const char *file, const char *mode,
int line, const char *source)
{
FILE *res=(fopen)(file, mode);
if(logfile)
fprintf(logfile, "FILE %s:%d fopen(\"%s\") = %p\n",
source, line, file, res);
return res;
}
int curl_fclose(FILE *file, int line, const char *source)
{
int res=(fclose)(file);
if(logfile)
fprintf(logfile, "FILE %s:%d fclose(%p)\n",
source, line, file);
return res;
}
#else
#ifdef VMS
int VOID_VAR_MEMDEBUG;
#endif
#endif /* MALLOCDEBUG */
/*
* local variables:
* eval: (load-file "../curl-mode.el")
* end:
* vim600: fdm=marker
* vim: et sw=2 ts=2 sts=2 tw=78
*/
|
