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>
2011-09-10 16:49:58 +02:00 · 2011-09-10 16:49:58 +02:00 · 889f1215f6
parent d6d11fa5c6
commit 889f1215f6
1 changed files with 1 additions and 1 deletions
--- 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;
 	}