Do not silently truncate files on perlasm errors

[openssl.git] / crypto / bn / asm / c64xplus-gf2m.pl

diff --git a/crypto/bn/asm/c64xplus-gf2m.pl b/crypto/bn/asm/c64xplus-gf2m.pl
index c0e5400807f5b6cc718149ad68c408cba94ea6fe..da9b24a5baa257d7902096abe99e635f5f612e28 100644 (file)
--- a/crypto/bn/asm/c64xplus-gf2m.pl
+++ b/crypto/bn/asm/c64xplus-gf2m.pl
@@ -1,7 +1,7 @@
 #! /usr/bin/env perl
 # Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# Licensed under the Apache License 2.0 (the "License").  You may not use
 # this file except in compliance with the License.  You can obtain a copy
 # in the file LICENSE in the source distribution or at
 # https://www.openssl.org/source/license.html
@@ -23,8 +23,7 @@
 # totally unfair, because this module utilizes Galois Field Multiply
 # instruction.
 
-while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {}
-open STDOUT,">$output";
+$output = pop and open STDOUT,">$output";
 
 ($rp,$a1,$a0,$b1,$b0)=("A4","B4","A6","B6","A8");   # argument vector
 
@@ -43,7 +42,7 @@ $code.=<<___;
        SHRU    $A,16,   $Ahi           ; smash $A to two halfwords
 ||     EXTU    $A,16,16,$Alo
 
-       XORMPY  $Alo,$B_2,$Alox2        ; 16x8 bits muliplication
+       XORMPY  $Alo,$B_2,$Alox2        ; 16x8 bits multiplication
 ||     XORMPY  $Ahi,$B_2,$Ahix2
 ||     EXTU    $B,16,24,$B_1
        XORMPY  $Alo,$B_0,$Alox0
@@ -157,4 +156,4 @@ $code.=<<___;
 ___
 
 print $code;
-close STDOUT;
+close STDOUT or die "error closing STDOUT";