From 167f91eac9d5dfb42e05645cafa9a26e6745cd85 Mon Sep 17 00:00:00 2001
From: Michael Haggerty <mhagger@alum.mit.edu>
Date: Mon, 17 Oct 2011 09:39:16 +0200
Subject: [PATCH] parse_ref_line(): add docstring

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 refs.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/refs.c b/refs.c
index 597800a5ed..af34c3b5ec 100644
--- a/refs.c
+++ b/refs.c
@@ -21,6 +21,11 @@ struct ref_array {
 	struct ref_entry **refs;
 };
 
+/*
+ * Parse one line from a packed-refs file.  Write the SHA1 to sha1.
+ * Return a pointer to the refname within the line (null-terminated),
+ * or NULL if there was a problem.
+ */
 static const char *parse_ref_line(char *line, unsigned char *sha1)
 {
 	/*