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| -rw-r--r-- | lib/memdebug.c | 98 | ||||
| -rw-r--r-- | lib/memdebug.h | 13 |
2 files changed, 111 insertions, 0 deletions
diff --git a/lib/memdebug.c b/lib/memdebug.c new file mode 100644 index 000000000..5e7d645c6 --- /dev/null +++ b/lib/memdebug.c @@ -0,0 +1,98 @@ +#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 */ diff --git a/lib/memdebug.h b/lib/memdebug.h new file mode 100644 index 000000000..a0d670088 --- /dev/null +++ b/lib/memdebug.h @@ -0,0 +1,13 @@ +#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 |