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-rw-r--r--lib/memdebug.c98
-rw-r--r--lib/memdebug.h13
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