git-show-ref: fix escaping in asciidoc source

diff --git a/mailmap.c b/mailmap.c
index f80b701292f0d852950735ab20a63dac13e92362..8c3196c7d76ff90e90a9fb4ff569aff6a429861a 100644 (file)
--- a/mailmap.c
+++ b/mailmap.c
@@ -70,8 +70,7 @@ static void add_mapping(struct string_list *map,
        } else {
                /* create mailmap entry */
                struct string_list_item *item = string_list_insert_at_index(map, index, old_email);
-               item->util = xmalloc(sizeof(struct mailmap_entry));
-               memset(item->util, 0, sizeof(struct mailmap_entry));
+               item->util = xcalloc(1, sizeof(struct mailmap_entry));
                ((struct mailmap_entry *)item->util)->namemap.strdup_strings = 1;
        }
        me = (struct mailmap_entry *)map->items[index].util;
@@ -79,14 +78,16 @@ static void add_mapping(struct string_list *map,
        if (old_name == NULL) {
                debug_mm("mailmap: adding (simple) entry for %s at index %d\n", old_email, index);
                /* Replace current name and new email for simple entry */
-               free(me->name);
-               free(me->email);
-               if (new_name)
+               if (new_name) {
+                       free(me->name);
                        me->name = xstrdup(new_name);
-               if (new_email)
+               }
+               if (new_email) {
+                       free(me->email);
                        me->email = xstrdup(new_email);
+               }
        } else {
-               struct mailmap_info *mi = xmalloc(sizeof(struct mailmap_info));
+               struct mailmap_info *mi = xcalloc(1, sizeof(struct mailmap_info));
                debug_mm("mailmap: adding (complex) entry for %s at index %d\n", old_email, index);
                if (new_name)
                        mi->name = xstrdup(new_name);