From fb757ee269738e560d41ccd905a4ecbdd11a2d1e Mon Sep 17 00:00:00 2001
From: David Malone <dwmalone@FreeBSD.org>
Date: Sat, 30 Mar 2002 16:24:03 +0000
Subject: [PATCH] Use the method described in the strtol man page to check if
 it parsed the entire string.  This avoids signed/unsigned comparison.

---
 usr.bin/killall/killall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.bin/killall/killall.c b/usr.bin/killall/killall.c
index 463ea5cd33be..7be6bc620ae8 100644
--- a/usr.bin/killall/killall.c
+++ b/usr.bin/killall/killall.c
@@ -225,7 +225,7 @@ main(int ac, char **av)
 	}
 	if (user) {
 		uid = strtol(user, &ep, 10);
-		if ((ep - user) < strlen(user)) {
+		if (*user == '\0' || *ep != '\0') { /* was it a number? */
 			pw = getpwnam(user);
 			if (pw == NULL)
 				errx(1, "user %s does not exist", user);