From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 10 Sep 2011 14:49:58 +0000 (+0200)
Subject: last: fix smatch warning
X-Git-Tag: v2.21-rc1~431^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=889f1215f60d043f026c3134d0ae1a0312319f6e;p=thirdparty%2Futil-linux.git

last: fix smatch warning

login-utils/last.c +447 ttyconv(11) error: buffer overflow '(arg)' 3 <= 3

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/login-utils/last.c b/login-utils/last.c
index 23a2d28ccd..5980780458 100644
--- a/login-utils/last.c
+++ b/login-utils/last.c
@@ -448,7 +448,7 @@ ttyconv(char *arg) {
 			(void)strcpy(mval, "console");
 		else {
 			(void)strcpy(mval, "tty");
-			(void)strcpy(mval + 3, arg);
+			(void)strncpy(mval + 3, arg, 4);
 		}
 		return mval;
 	}