ubase

commit 6af24e35f954e21bdafd3d0e0f7fb76e92ac93bd
parent e4677f290b9fbc6feceda0fbe406d19a8881faae
Author: sin <sin@2f30.org>
Date:   Mon, 18 Aug 2014 21:49:22 +0100

Only check errno if getpwnam() fails

Diffstat:
M
login.c
 | 
12
+++++++-----

1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/login.c b/login.c
@@ -74,13 +74,15 @@ main(int argc, char *argv[])
 	if (isatty(STDIN_FILENO) == 0)
 		eprintf("stdin is not a tty\n");
 
-	errno = 0;
 	user = argv[0];
+	errno = 0;
 	pw = getpwnam(user);
-	if (errno)
-		eprintf("getpwnam: %s:", user);
-	else if (!pw)
-		eprintf("who are you?\n");
+	if (!pw) {
+		if (errno)
+			eprintf("getpwnam: %s:", user);
+		else
+			eprintf("who are you?\n");
+	}
 
 	uid = pw->pw_uid;
 	gid = pw->pw_gid;