curl/lib/memdebug.c

158 lines
4.1 KiB
C

#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 res;
}
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 */