Null pointer used.

[oweals/openssl.git] / crypto / rc4 / asm / rc4-586.pl

diff --git a/crypto/rc4/asm/rc4-586.pl b/crypto/rc4/asm/rc4-586.pl
index f906e093d717bcdb69223c5460b816492ceb69d3..ab16a97b6805835023b97259a1f32ad92d726c37 100644 (file)
--- a/crypto/rc4/asm/rc4-586.pl
+++ b/crypto/rc4/asm/rc4-586.pl
@@ -1,4 +1,11 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (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
+
 
 # ====================================================================
 # [Re]written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
@@ -44,7 +51,7 @@
 # Sandy Bridge 5.0/+8%
 # Atom         12.6/+6%
 # VIA Nano     6.4/+9%
-# Ivy Bridge   4.9/±0%
+# Ivy Bridge   4.9/±0%
 # Bulldozer    4.9/+15%
 #
 # (*)  PIII can actually deliver 6.6 cycles per byte with MMX code,
@@ -63,7 +70,10 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 push(@INC,"${dir}","${dir}../../perlasm");
 require "x86asm.pl";
 
-&asm_init($ARGV[0],"rc4-586.pl",$x86only = $ARGV[$#ARGV] eq "386");
+$output=pop;
+open STDOUT,">$output";
+
+&asm_init($ARGV[0],$x86only = $ARGV[$#ARGV] eq "386");
 
 $xx="eax";
 $yy="ebx";
@@ -147,7 +157,7 @@ if ($alt=0) {
        &movd   ($i>0?"mm1":"mm2",&DWP(0,$dat,$ty,4));
 
        # (*)   This is the key to Core2 and Westmere performance.
-       #       Whithout movz out-of-order execution logic confuses
+       #       Without movz out-of-order execution logic confuses
        #       itself and fails to reorder loads and stores. Problem
        #       appears to be fixed in Sandy Bridge...
   }
@@ -415,3 +425,4 @@ $idx="edx";
 
 &asm_finish();
 
+close STDOUT;