From f925a43bdfce1097ce74887e46eeb542bed14a61 Mon Sep 17 00:00:00 2001
From: hubertf <hubertf@NetBSD.org>
Date: Wed, 8 Dec 1999 18:12:16 +0000
Subject: [PATCH]  - Only use strlcpy() on systems that have it, i.e. >=1.4K.
 This makes    this working again on 1.4 systems.  - Revert last change to
 argument passing which broke "user del",    "user mod", ...

---
 usr.sbin/user/user.c | 39 +++++++++++++++++++++++++++++++--------
 1 file changed, 31 insertions(+), 8 deletions(-)

diff --git a/usr.sbin/user/user.c b/usr.sbin/user/user.c
index c89e940dbb99..67cad40df5b3 100644
--- a/usr.sbin/user/user.c
+++ b/usr.sbin/user/user.c
@@ -1,4 +1,4 @@
-/* $NetBSD: user.c,v 1.5 1999/12/07 10:42:12 lukem Exp $ */
+/* $NetBSD: user.c,v 1.6 1999/12/08 18:12:16 hubertf Exp $ */
 
 /*
  * Copyright (c) 1999 Alistair G. Crooks.  All rights reserved.
@@ -92,6 +92,23 @@ asystem(char *fmt, ...)
 	return ret;
 }
 
+#if (__NetBSD_Version__ < 104110000)
+/*
+ * strlcpy() can only be used in 1.4K and later, use this for
+ * systems older than that.
+ */
+/* bounds checking strncpy */
+static char *
+strnncpy(char *to, size_t tosize, char *from, size_t fromsize)
+{
+	size_t	n = MIN(tosize - 1, fromsize);
+
+	(void) memcpy(to, from, n);
+	to[n] = 0;
+	return to;
+}
+#endif /* __NetBSD_Version__ < 105000000 */
+
 /* copy any dot files into the user's home directory */
 static int
 copydotfiles(char *skeldir, int uid, int gid, char *dir)
@@ -224,7 +241,11 @@ modify_gid(char *group, char *newent)
 				continue;
 			} else {
 				cc = strlen(newent);
+#if (__NetBSD_Version__ < 104110000)
+				(void) strnncpy(buf, sizeof(buf), newent, (unsigned) cc);
+#else
 				(void) strlcpy(buf, newent, sizeof(buf));
+#endif /* __NetBSD_Version__ < 104110000 */
 			}
 		}
 		if (fwrite(buf, sizeof(char), (unsigned) cc, to) != cc) {
@@ -936,7 +957,11 @@ usermod(int argc, char **argv)
 			break;
 		case 'l':
 			have_new_user = 1;
+#if (__NetBSD_Version__ < 104110000)
+			(void) strnncpy(newuser, sizeof(newuser), optarg, strlen(optarg));
+#else
 			(void) strlcpy(newuser, optarg, sizeof(newuser));
+#endif /* __NetBSD_Version__ < 104110000 */
 			break;
 		case 'm':
 			u.u_mkdir = 1;
@@ -1224,13 +1249,11 @@ main(int argc, char **argv)
 	for (cmdp = cmds ; cmdp->c_progname ; cmdp++) {
 		if (strcmp(__progname, cmdp->c_progname) == 0) {
 			return (*cmdp->c_func)(argc, argv);
-		} else if (strcmp(__progname, cmdp->c_word1) == 0) {
-			if (argc > 1 && strcmp(argv[1], cmdp->c_word2) == 0) {
-				return (*cmdp->c_func)(argc - 1, argv + 1);
-			} else {
-				usage(__progname);
-			}
-		}
+		} 
+
+		if (strcmp(__progname, cmdp->c_word1) == 0 &&
+		    argc > 1 && strcmp(argv[1], cmdp->c_word2) == 0)
+			return (*cmdp->c_func)(argc - 1, argv + 1);
 	}
 	errx(EXIT_FAILURE, "Program `%s' not recognised", __progname);
 	/* NOTREACHED */