X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=format.c;h=bcdbff9ff425df1783975cf8ac62a64ab28fa40e;hb=6dc3d02ae5959a4ec5f3de4765d7440a580ff3e1;hp=6b7a2f6e2186b8850f2e04abaecff9cb88b3a625;hpb=a398d5009251fa41859006dae5c99afc6824fab2;p=adu.git

diff --git a/format.c b/format.c
index 6b7a2f6..bcdbff9 100644
--- a/format.c
+++ b/format.c
@@ -259,14 +259,21 @@ err:
 	}
 	free(info->items);
 	free(info);
+	*result = NULL;
 	return ret;
 }
 
+/**
+ * It's OK to pass a \p NULL pointer to this function.
+ */
 void free_format_info(struct format_info *info)
 {
 	int i;
 	struct format_item *item;
 
+	if (!info)
+		return;
+
 	for (i = 0; (item = info->items[i]); i++) {
 		if (!item->atom_ptr)
 			free(item->af.cs.string);
@@ -395,6 +402,8 @@ char *format_items(struct format_info *info, union atom_value *values)
 	int i;
 	char *buf = NULL;
 
+	if (!info)
+		return NULL;
 	for (i = 0; info->items[i]; i++) {
 		struct atom *a;
 		struct format_item *fi = info->items[i];