From 5ba7b3135775bda3bb05903b9639647d5cf9066f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ciro=20Santilli=20=E5=85=AD=E5=9B=9B=E4=BA=8B=E4=BB=B6=20?=
 =?UTF-8?q?=E6=B3=95=E8=BD=AE=E5=8A=9F?= <ciro.santilli@gmail.com>
Date: Tue, 22 Jan 2019 00:00:00 +0000
Subject: [PATCH] count: generalize max

---
 userland/count.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/userland/count.c b/userland/count.c
index e6a6082..9a29b32 100644
--- a/userland/count.c
+++ b/userland/count.c
@@ -1,11 +1,18 @@
+#include <limits.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 
-int main(void) {
-	int i = 0;
-	while (1) {
-		printf("%d\n", i);
-		i++;
-		sleep(1);
-	}
+int main(int argc, char **argv) {
+    unsigned long i = 0, max;
+    if (argc > 1) {
+        max = strtoul(argv[1], NULL, 10);
+    } else {
+        max = ULONG_MAX;
+    }
+    while (i < max) {
+        printf("%lu\n", i);
+        i++;
+        sleep(1);
+    }
 }