Refactor clear(1) - ubase - suckless linux base utils
HTML git clone git://git.suckless.org/ubase
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 7b27c7f87c01b00b6a3e5cd7a60fb832681d5ccc
DIR parent b6669b5f196275bcf205abe5904b63bcd9213011
HTML Author: FRIGN <dev@frign.de>
Date: Mon, 7 Sep 2015 12:33:16 +0200
Refactor clear(1)
Adopting best practices(tm) we developed with sbase.
Diffstat:
M clear.1 | 2 +-
M clear.c | 16 +++++++++++++++-
2 files changed, 16 insertions(+), 2 deletions(-)
---
DIR diff --git a/clear.1 b/clear.1
@@ -8,4 +8,4 @@
.Nm
.Sh DESCRIPTION
.Nm
-clears the screen
+clears the screen.
DIR diff --git a/clear.c b/clear.c
@@ -2,9 +2,23 @@
#include <stdio.h>
#include <stdlib.h>
+#include "util.h"
+
+static void
+usage(void)
+{
+ eprintf("usage: %s\n", argv0);
+}
+
int
-main(void)
+main(int argc, char *argv[])
{
+ argv0 = argv[0], argc--, argv++;
+
+ if (argc)
+ usage();
+
printf("\x1b[2J\x1b[H");
+
return 0;
}