From 5d6b07c5a4c042580b85248d570ee299fd102a79 Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Wed, 6 Feb 2008 16:32:56 +0000
Subject: [PATCH] Cope with differing prototypes for ECONNREFUSED etc on Win32
 between 5.8.x and 5.10.x

p4raw-id: //depot/perl@33242
---
 lib/Net/Ping.pm | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/lib/Net/Ping.pm b/lib/Net/Ping.pm
index cac3eef..ebdbb42 100644
--- a/lib/Net/Ping.pm
+++ b/lib/Net/Ping.pm
@@ -16,7 +16,7 @@ use Carp;
 
 @ISA = qw(Exporter);
 @EXPORT = qw(pingecho);
-$VERSION = "2.34";
+$VERSION = "2.35";
 
 sub SOL_IP { 0; };
 sub IP_TOS { 1; };
@@ -35,11 +35,20 @@ $syn_forking = 0;
 if ($^O =~ /Win32/i) {
   # Hack to avoid this Win32 spewage:
   # Your vendor has not defined POSIX macro ECONNREFUSED
-  *ECONNREFUSED = sub() {10061;}; # "Unknown Error" Special Win32 Response?
-  *ENOTCONN     = sub() {10057;};
-  *ECONNRESET   = sub() {10054;};
-  *EINPROGRESS  = sub() {10036;};
-  *EWOULDBLOCK  = sub() {10035;};
+  my @pairs = (ECONNREFUSED => 10061, # "Unknown Error" Special Win32 Response?
+	       ENOTCONN     => 10057,
+	       ECONNRESET   => 10054,
+	       EINPROGRESS  => 10036,
+	       EWOULDBLOCK  => 10035,
+	  );
+  while (my $name = shift @pairs) {
+    my $value = shift @pairs;
+    # When defined, these all are non-zero
+    unless (eval $name) {
+      no strict 'refs';
+      *{$name} = defined prototype \&{$name} ? sub () {$value} : sub {$value};
+    }
+  }
 #  $syn_forking = 1;    # XXX possibly useful in < Win2K ?
 };
 
-- 
2.7.4