curl: fix memory leaked by parse_metalink()
This commit fixes a regression introduced by curl-7_65_3-5-gb88940850.
Detected by tests 2005, 2008, 2009, 2010, 2011, and 2012 with valgrind
and libmetalink enabled.
Closes #4326
diff --git a/src/tool_metalink.c b/src/tool_metalink.c
index 0740407..cd5a7d6 100644
--- a/src/tool_metalink.c
+++ b/src/tool_metalink.c
@@ -965,7 +965,7 @@
Curl_safefree(res);
}
-static void delete_metalinkfile(metalinkfile *mlfile)
+void delete_metalinkfile(metalinkfile *mlfile)
{
metalink_resource *res;
if(mlfile == NULL) {
diff --git a/src/tool_metalink.h b/src/tool_metalink.h
index 1e36703..f5ec306 100644
--- a/src/tool_metalink.h
+++ b/src/tool_metalink.h
@@ -105,6 +105,8 @@
* Counts the resource in the metalinkfile.
*/
int count_next_metalink_resource(metalinkfile *mlfile);
+
+void delete_metalinkfile(metalinkfile *mlfile);
void clean_metalink(struct OperationConfig *config);
/*
@@ -158,6 +160,7 @@
#else /* USE_METALINK */
#define count_next_metalink_resource(x) 0
+#define delete_metalinkfile(x) (void)x
#define clean_metalink(x) (void)x
/* metalink_cleanup() takes no arguments */
diff --git a/src/tool_operate.c b/src/tool_operate.c
index d2ad964..09dfc0c 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -2073,6 +2073,10 @@
result = post_transfer(global, share, per, result, &retry);
if(retry)
continue;
+
+ /* Release metalink related resources here */
+ delete_metalinkfile(per->mlfile);
+
per = del_transfer(per);
/* Bail out upon critical errors or --fail-early */
