From 819c4d502d80aff3d8ce1e8039ffa34ded638e08 Mon Sep 17 00:00:00 2001
From: tnn <tnn@NetBSD.org>
Date: Mon, 7 Aug 2023 21:12:02 +0000
Subject: [PATCH] rpcgen: don't pass length of source to string copy operation

Altough the prior code can't fail, GCC complains about the practice.
---
 usr.bin/rpcgen/rpc_cout.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/usr.bin/rpcgen/rpc_cout.c b/usr.bin/rpcgen/rpc_cout.c
index 4a7481cea6fe..2d62ca3a8462 100644
--- a/usr.bin/rpcgen/rpc_cout.c
+++ b/usr.bin/rpcgen/rpc_cout.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: rpc_cout.c,v 1.38 2016/01/23 02:33:09 dholland Exp $	*/
+/*	$NetBSD: rpc_cout.c,v 1.39 2023/08/07 21:12:02 tnn Exp $	*/
 /*
  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  * unrestricted use provided that this legend is included on all tape
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)rpc_cout.c 1.13 89/02/22 (C) 1987 SMI";
 #else
-__RCSID("$NetBSD: rpc_cout.c,v 1.38 2016/01/23 02:33:09 dholland Exp $");
+__RCSID("$NetBSD: rpc_cout.c,v 1.39 2023/08/07 21:12:02 tnn Exp $");
 #endif
 #endif
 
@@ -186,7 +186,9 @@ print_ifopen(int indent, const char *name)
 	if (!strcmp(name, "rpcprog_t") || !strcmp(name, "rpcvers_t") ||
 	    !strcmp(name, "rpcproc_t") || !strcmp(name, "rpcprot_t") ||
 	    !strcmp(name, "rpcport_t") || !strcmp(name, "rpcpinline_t")) {
-		strncpy(_t_kludge, name, strlen(name) - 2);
+		strlcpy(_t_kludge, name, sizeof(_t_kludge));
+		char *underscore = strchr(_t_kludge, '_');
+		*underscore = 0;
 		name = _t_kludge;
 	}
 	tabify(fout, indent);