added for memory leak debugging etc

#ifdef MALLOCDEBUG

/*****************************************************************************

 *                                  _   _ ____  _     

 *  Project                     ___| | | |  _ \| |    

 *                             / __| | | | |_) | |    

 *                            | (__| |_| |  _ <| |___ 

 *                             \___|\___/|_| \_\_____|

 *

 *  The contents of this file are subject to the Mozilla Public License

 *  Version 1.0 (the "License"); you may not use this file except in

 *  compliance with the License. You may obtain a copy of the License at

 *  http://www.mozilla.org/MPL/

 *

 *  Software distributed under the License is distributed on an "AS IS"

 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the

 *  License for the specific language governing rights and limitations

 *  under the License.

 *

 *  The Original Code is Curl.

 *

 *  The Initial Developer of the Original Code is Daniel Stenberg.

 *

 *  Portions created by the Initial Developer are Copyright (C) 1999.

 *  All Rights Reserved.

 *

 * ------------------------------------------------------------

 * Main author:

 * - Daniel Stenberg <daniel@haxx.se>

 *

 * 	http://curl.haxx.se

 *

 * $Source$

 * $Revision$

 * $Date$

 * $Author$

 * $State$

 * $Locker$

 *

 * ------------------------------------------------------------

 ****************************************************************************/

#include "setup.h"

#include <curl/curl.h>

#include "urldata.h"

#include <stdio.h>

#include <string.h>

/*

 * 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=stderr;

/* 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, "MEM %s:%d malloc(%d) = %p\n",

          source, line, size, mem);

  return mem;

}

char *curl_dostrdup(char *str, int line, char *source)

{

  char *mem=(strdup)(str);

  size_t len=strlen(str)+1;

  fprintf(logfile, "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, "MEM %s:%d realloc(%p, %d) = %p\n",

          source, line, ptr, size, mem);

  return mem;

}

void curl_dofree(void *ptr, int line, char *source)

{

  (free)(ptr);

  fprintf(logfile, "MEM %s:%d free(%p)\n",

          source, line, ptr);

}

#endif /* MALLOCDEBUG */

#ifdef MALLOCDEBUG

void *curl_domalloc(size_t size, int line, char *source);

void *curl_dorealloc(void *ptr, size_t size, int line, char *source);

void curl_dofree(void *ptr, int line, char *source);

char *curl_dostrdup(char *str, int line, char *source);

void curl_memdebug(char *logname);

/* Set this symbol on the command-line, recompile all lib-sources */

#define strdup(ptr) curl_dostrdup(ptr, __LINE__, __FILE__)

#define malloc(size) curl_domalloc(size, __LINE__, __FILE__)

#define realloc(ptr,size) curl_dorealloc(ptr, size, __LINE__, __FILE__)

#define free(ptr) curl_dofree(ptr, __LINE__, __FILE__)

#endif