Make addr2string(), returning a literal string, const.

1 files changed, 1 insertions, 1 deletions

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);