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From eae18e8bf5fc57ca4e6a07f086fd7205e9c87ed4 Mon Sep 17 00:00:00 2001
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From: Dan Kogai <dankogai+github@gmail.com>
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Date: Sun, 22 Dec 2013 13:07:05 +0900
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Subject: [PATCH] Stringify all decode_utf8() arguments
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Upstream commit:
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commit 14307cf7e433056128727f5d738ee317ef05b016
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Author: Dan Kogai <dankogai+github@gmail.com>
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Date:   Sun Dec 22 13:07:05 2013 +0900
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    VERSION 2.56
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ported to 2.51.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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 Encode.pm  | 2 +-
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 t/Encode.t | 6 +++++-
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 2 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/Encode.pm b/Encode.pm
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index 5c30031..b0272ad 100644
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--- a/Encode.pm
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+++ b/Encode.pm
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@@ -211,7 +211,7 @@ sub decode_utf8($;$) {
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     my ( $octets, $check ) = @_;
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     return $octets if is_utf8($octets);
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     return undef unless defined $octets;
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-    $octets .= '' if ref $octets;
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+    $octets .= '';
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     $check   ||= 0;
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     $utf8enc ||= find_encoding('utf8');
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     my $string = $utf8enc->decode( $octets, $check );
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diff --git a/t/Encode.t b/t/Encode.t
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index 918975e..d490255 100644
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--- a/t/Encode.t
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+++ b/t/Encode.t
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@@ -25,7 +25,7 @@ my @character_set = ('0'..'9', 'A'..'Z', 'a'..'z');
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 my @source = qw(ascii iso8859-1 cp1250);
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 my @destiny = qw(cp1047 cp37 posix-bc);
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 my @ebcdic_sets = qw(cp1047 cp37 posix-bc);
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-plan test => 38+$n*@encodings + 2*@source*@destiny*@character_set + 2*@ebcdic_sets*256 + 6 + 4;
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+plan test => 38+$n*@encodings + 2*@source*@destiny*@character_set + 2*@ebcdic_sets*256 + 6 + 5;
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 my $str = join('',map(chr($_),0x20..0x7E));
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 my $cpy = $str;
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 ok(length($str),from_to($cpy,'iso8859-1','Unicode'),"Length Wrong");
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@@ -150,6 +150,10 @@ package main;
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 ok(decode(latin1 => Encode::Dummy->new("foobar")), "foobar");
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 ok(encode(utf8   => Encode::Dummy->new("foobar")), "foobar");
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+# RT#91569
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+# decode_utf8 with non-string arguments
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+ok(decode_utf8(*1), "*main::1");
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+
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 # hash keys
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 my $key = (keys %{{ "whatever\x{100}" => '' }})[0];
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 my $kopy = $key;
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-- 
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1.8.3.1
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