1 files changed, 36 insertions, 0 deletions
diff --git a/src/tool_main.c b/src/tool_main.c
index fe0768747..5e58aff1d 100644
--- a/src/tool_main.c
+++ b/src/tool_main.c
@@ -82,6 +82,38 @@ static void main_checkfds(void)
 #endif
 }
 
+#ifdef CURLDEBUG
+void memory_tracking_init(void)
+{
+  char *env;
+  /* if CURL_MEMDEBUG is set, this starts memory tracking message logging */
+  env = curlx_getenv("CURL_MEMDEBUG");
+  if(env) {
+    /* use the value as file name */
+    char fname[CURL_MT_LOGFNAME_BUFSIZE];
+    if(strlen(env) >= CURL_MT_LOGFNAME_BUFSIZE)
+      env[CURL_MT_LOGFNAME_BUFSIZE-1] = '\0';
+    strcpy(fname, env);
+    curl_free(env);
+    curl_memdebug(fname);
+    /* this weird stuff here is to make curl_free() get called
+       before curl_memdebug() as otherwise memory tracking will
+       log a free() without an alloc! */
+  }
+  /* if CURL_MEMLIMIT is set, this enables fail-on-alloc-number-N feature */
+  env = curlx_getenv("CURL_MEMLIMIT");
+  if(env) {
+    char *endptr;
+    long num = strtol(env, &endptr, 10);
+    if((endptr != env) && (endptr == env + strlen(env)) && (num > 0))
+      curl_memlimit(num);
+    curl_free(env);
+  }
+}
+#else
+#  define memory_tracking_init() Curl_nop_stmt
+#endif
+
 /*
 ** curl tool main function.
 */
@@ -99,6 +131,10 @@ int main(int argc, char *argv[])
   (void)signal(SIGPIPE, SIG_IGN);
 #endif
 
+  /* Initialize memory tracking */
+  memory_tracking_init();
+
+  /* Start our curl operation */
   res = operate(&config, argc, argv);
 
 #ifdef __SYMBIAN32__