From: Andre Noll <maan@systemlinux.org>
Date: Sat, 1 Nov 2008 21:55:38 +0000 (+0100)
Subject: Make free_format_info() cope with NULL pointers.
X-Git-Tag: v0.0.4~17
X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=commitdiff_plain;h=22dc8e380d27b93a70d49c8a49f139ccf59d6f60

Make free_format_info() cope with NULL pointers.

Be liberal with what you take, just as the usual free() function.
---

diff --git a/format.c b/format.c
index 6b7a2f6..f6b1f48 100644
--- a/format.c
+++ b/format.c
@@ -262,11 +262,17 @@ err:
 	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);