X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Farm64cpuid.pl;h=0fdaf3db678d5f5ac513cd3ac1545d4b84727d1e;hp=06c8add7a07561f1f00b2e5edb6826881771ba83;hb=dc8de3e6f1eed18617dc42d41dec6c6566c2ac0c;hpb=9a708bf982da1d2c9739339d16d7b021da955e00

diff --git a/crypto/arm64cpuid.pl b/crypto/arm64cpuid.pl
index 06c8add7a0..0fdaf3db67 100755
--- a/crypto/arm64cpuid.pl
+++ b/crypto/arm64cpuid.pl
@@ -1,21 +1,24 @@
 #! /usr/bin/env perl
 # Copyright 2015-2018 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
 
 
-$flavour = shift;
-$output  = shift;
+# $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;
 
 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
 ( $xlate="${dir}perlasm/arm-xlate.pl" and -f $xlate) or
 die "can't locate arm-xlate.pl";
 
-open OUT,"| \"$^X\" $xlate $flavour $output";
+open OUT,"| \"$^X\" $xlate $flavour \"$output\""
+    or die "can't call $xlate: $!";
 *STDOUT=*OUT;
 
 $code.=<<___;
@@ -144,4 +147,4 @@ CRYPTO_memcmp:
 ___
 
 print $code;
-close STDOUT;
+close STDOUT or die "error closing STDOUT";