Declare strings passed to local_listen() as const. This makes it

consistent to remote_connect() and getaddrinfo(3).
from Nan Xiao

diff --git a/usr.bin/nc/netcat.c b/usr.bin/nc/netcat.c
index e02ddd6..341e7e5 100644 (file)
--- a/usr.bin/nc/netcat.c
+++ b/usr.bin/nc/netcat.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: netcat.c,v 1.193 2018/09/06 13:23:02 bluhm Exp $ */
+/* $OpenBSD: netcat.c,v 1.194 2018/09/07 09:55:29 bluhm Exp $ */
 /*
  * Copyright (c) 2001 Eric Jackson <ericj@monkey.org>
  * Copyright (c) 2015 Bob Beck.  All rights reserved.
@@ -122,7 +122,7 @@ void        atelnet(int, unsigned char *, unsigned int);
 int    strtoport(char *portstr, int udp);
 void   build_ports(char *);
 void   help(void) __attribute__((noreturn));
-int    local_listen(char *, char *, struct addrinfo);
+int    local_listen(const char *, const char *, struct addrinfo);
 void   readwrite(int, struct tls *);
 void   fdpass(int nfd) __attribute__((noreturn));
 int    remote_connect(const char *, const char *, struct addrinfo);
@@ -994,7 +994,7 @@ timeout_connect(int s, const struct sockaddr *name, socklen_t namelen)
  * address. Returns -1 on failure.
  */
 int
-local_listen(char *host, char *port, struct addrinfo hints)
+local_listen(const char *host, const char *port, struct addrinfo hints)
 {
        struct addrinfo *res, *res0;
        int s = -1, ret, x = 1, save_errno;