aboutsummaryrefslogtreecommitdiff
path: root/lib/memdebug.c
blob: e25ad4fe31c597a875a13395b090edcf12618c00 (plain)
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
#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.
 *
 * $Id$
 *****************************************************************************/

#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! */

/*
 * 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(char *logname)
{
  logfile = fopen(logname, "w");
}


void *curl_domalloc(size_t size, int line, char *source)
{
  void *mem=(malloc)(size);
  fprintf(logfile?logfile:stderr, "MEM %s:%d malloc(%d) = %p\n",
          source, line, size, mem);
  return mem;
}

char *curl_dostrdup(char *str, int line, char *source)
{
  char *mem;
  size_t len;
  
  if(NULL ==str) {
    fprintf(stderr, "ILLEGAL strdup() on NULL at %s:%d\n",
            source, line);
    exit(2);
  }

  mem=(strdup)(str);
  len=strlen(str)+1;
  fprintf(logfile?logfile:stderr, "MEM %s:%d strdup(%p) (%d) = %p\n",
          source, line, str, len, mem);
  return mem;
}

void *curl_dorealloc(void *ptr, size_t size, int line, char *source)
{
  void *mem=(realloc)(ptr, size);
  fprintf(logfile?logfile:stderr, "MEM %s:%d realloc(%p, %d) = %p\n",
          source, line, ptr, size, mem);
  return mem;
}

void curl_dofree(void *ptr, int line, char *source)
{
  if(NULL == ptr) {
    fprintf(stderr, "ILLEGAL free() on NULL at %s:%d\n",
            source, line);
    exit(2);
  }

  (free)(ptr);

  fprintf(logfile?logfile:stderr, "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);
  fprintf(logfile?logfile:stderr, "FD %s:%d socket() = %d\n",
          source, line, sockfd);
  return sockfd;
}

int curl_accept(int s, struct sockaddr *addr, int *addrlen,
                int line, char *source)
{
  int sockfd=(accept)(s, addr, addrlen);
  fprintf(logfile?logfile:stderr, "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);
  fprintf(logfile?logfile:stderr, "FD %s:%d sclose(%d)\n",
          source, line, sockfd);
  return sockfd;
}

FILE *curl_fopen(char *file, char *mode, int line, char *source)
{
  FILE *res=(fopen)(file, mode);
  fprintf(logfile?logfile:stderr, "FILE %s:%d fopen(\"%s\") = %p\n",
          source, line, file, res);
  return res;
}

int curl_fclose(FILE *file, int line, char *source)
{
  int res=(fclose)(file);
  fprintf(logfile?logfile:stderr, "FILE %s:%d fclose(%p)\n",
          source, line, file);
  return res;
}

#endif /* MALLOCDEBUG */