Update copyright year

[openssl.git] / crypto / sha / asm / sha256-armv4.pl

diff --git a/crypto/sha/asm/sha256-armv4.pl b/crypto/sha/asm/sha256-armv4.pl
index cd01fcb57bb96965ec7051706a530dcb77e5acc4..e8af05c2981fbb3ea0eec425f509d97078e23ee1 100644 (file)
--- a/crypto/sha/asm/sha256-armv4.pl
+++ b/crypto/sha/asm/sha256-armv4.pl
@@ -1,5 +1,5 @@
 #! /usr/bin/env perl
-# Copyright 2007-2018 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
 #
 # 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
@@ -44,9 +44,10 @@
 #
 # Add ARMv8 code path performing at 2.0 cpb on Apple A7.
 
-$flavour = shift;
-if ($flavour=~/\w[\w\-]*\.\w+$/) { $output=$flavour; undef $flavour; }
-else { while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} }
+# $output is the last argument if it looks like a file (it has an extension)
+# $flavour is the first argument if it doesn't look like a file
+$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
+$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
 
 if ($flavour && $flavour ne "void") {
     $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
@@ -54,9 +55,10 @@ if ($flavour && $flavour ne "void") {
     ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
     die "can't locate arm-xlate.pl";
 
-    open STDOUT,"| \"$^X\" $xlate $flavour $output";
+    open STDOUT,"| \"$^X\" $xlate $flavour \"$output\""
+        or die "can't call $xlate: $!";
 } else {
-    open STDOUT,">$output";
+    $output and open STDOUT,">$output";
 }
 
 $ctx="r0";     $t0="r0";
@@ -737,4 +739,4 @@ foreach (split($/,$code)) {
        print $_,"\n";
 }
 
-close STDOUT; # enforce flush
+close STDOUT or die "error closing STDOUT: $!"; # enforce flush