strbuf_branchname: add docstring

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index dc2e9e420d6beb47f0e04184dfb7429b6559a789..efab62fd85e314ccb6ec5becedead91823d03dde 100644 (file)
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -314,14 +314,10 @@ static void add_people_info(struct strbuf *out,
                            struct string_list *authors,
                            struct string_list *committers)
 {
-       if (authors->nr)
-               qsort(authors->items,
-                     authors->nr, sizeof(authors->items[0]),
-                     cmp_string_list_util_as_integral);
-       if (committers->nr)
-               qsort(committers->items,
-                     committers->nr, sizeof(committers->items[0]),
-                     cmp_string_list_util_as_integral);
+       QSORT(authors->items, authors->nr,
+             cmp_string_list_util_as_integral);
+       QSORT(committers->items, committers->nr,
+             cmp_string_list_util_as_integral);
 
        credit_people(out, authors, 'a');
        credit_people(out, committers, 'c');