From 72709ca59adab355a4d82f7033217b9ab43cddb7 Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordu.net>
Date: Wed, 19 Oct 2016 14:10:58 +0200
Subject: Make addr2string(), returning a literal string, const.

---
 util.c | 2 +-
 util.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/util.c b/util.c
index 98d6680..bf327ad 100644
--- a/util.c
+++ b/util.c
@@ -76,7 +76,7 @@ struct sockaddr *addr_copy(struct sockaddr *in) {
     return out;
 }
 
-char *addr2string(struct sockaddr *addr) {
+const char *addr2string(struct sockaddr *addr) {
     struct sockaddr_in6 *sa6;
     struct sockaddr_in sa4;
     static char addr_buf[2][INET6_ADDRSTRLEN];
diff --git a/util.h b/util.h
index 924392a..099a30f 100644
--- a/util.h
+++ b/util.h
@@ -13,7 +13,7 @@
 			      sizeof(struct sockaddr_in6))
 
 char *stringcopy(const char *s, int len);
-char *addr2string(struct sockaddr *addr);
+const char *addr2string(struct sockaddr *addr);
 struct sockaddr *addr_copy(struct sockaddr *in);
 void port_set(struct sockaddr *sa, uint16_t port);
 
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