From: H. Peter Anvin <hpa@zytor.com>
Date: Wed, 25 Jun 2008 19:14:05 +0000 (-0700)
Subject: cptable: error out on incorrect usage
X-Git-Tag: syslinux-3.70-pre25~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7bce9c47f6561f321d5a371aa38f77749f6bd01e;p=profile%2Fivi%2Fsyslinux.git

cptable: error out on incorrect usage
---

diff --git a/codepage/cptable.pl b/codepage/cptable.pl
index 5f6f538..416e730 100755
--- a/codepage/cptable.pl
+++ b/codepage/cptable.pl
@@ -5,7 +5,7 @@
 # matching.)
 #
 # Usage:
-#	cptable.pl UnicodeData filesystem-cp.txt console-cp.txt output.bin
+#	cptable.pl UnicodeData filesystem-cp.txt console-cp.txt output.cp
 #
 # Note: for the format of the UnicodeData file, see:
 # http://www.unicode.org/Public/UNIDATA/UCD.html
@@ -13,6 +13,10 @@
 
 ($ucd, $cpfs, $cpco, $cpout) = @ARGV;
 
+if (!defined($cpout)) {
+    die "Usage: $0 UnicodeData fs-cp.txt console-cp.txt output.cp\n";
+}
+
 %ucase   = ();
 %lcase   = ();
 %tcase   = ();