[7/8] checkincludes.pl: provide usage helper
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Message ID 200908062304.n76N4YPc003225@imap1.linux-foundation.org
State New, archived
Headers show

Commit Message

Andrew Morton Aug. 6, 2009, 11:04 p.m. UTC
From: "Luis R. Rodriguez" <lrodriguez@Atheros.com>

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/checkincludes.pl |    9 +++++++++
 1 file changed, 9 insertions(+)

Patch
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diff -puN scripts/checkincludes.pl~checkincludespl-provide-usage-helper scripts/checkincludes.pl
--- a/scripts/checkincludes.pl~checkincludespl-provide-usage-helper
+++ a/scripts/checkincludes.pl
@@ -3,6 +3,15 @@ 
 # checkincludes: Find files included more than once in (other) files.
 # Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>.
 
+sub usage {
+	print "Usage: checkincludes.pl <file list>\n";
+	exit 1;
+}
+
+if ($#ARGV < 0) {
+        usage();
+}
+
 foreach $file (@ARGV) {
 	open(FILE, $file) or die "Cannot open $file: $!.\n";