From 53146cc9ec7f3af5a8fa6245bf01c4f9c0fd19b4 Mon Sep 17 00:00:00 2001
From: Robert Griebl <griebl@gmx.de>
Date: Mon, 27 May 2002 22:24:53 +0000
Subject: Added include for isdigit(); simplified -<num> detection

---
 coreutils/head.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'coreutils/head.c')

diff --git a/coreutils/head.c b/coreutils/head.c
index c5c11fc7b..ad21e1b95 100644
--- a/coreutils/head.c
+++ b/coreutils/head.c
@@ -25,6 +25,7 @@
 #include <getopt.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 #include "busybox.h"
 
 static int head(int len, FILE *fp)
@@ -47,7 +48,7 @@ int head_main(int argc, char **argv)
 	FILE *fp;
 	int need_headers, opt, len = 10, status = EXIT_SUCCESS;
 
-	if (( argc >= 2 ) && ( strlen ( argv [1] ) >= 2 ) && ( argv [1][0] == '-' ) && isdigit ( argv [1][1] )) {
+	if (( argc >= 2 ) && ( argv [1][0] == '-' ) && isdigit ( argv [1][1] )) {
 		len = atoi ( &argv [1][1] );
 		optind = 2;
 	}
-- 
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