From 922dc8265f47af47327cf01bb5365f2ea8454d16 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 25 Nov 2003 09:56:49 +0000
Subject: [PATCH] * lib/open-uri.rb (URI::Generic#find_proxy): ENV case
 sensitivity test   refined.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5026 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog       |  5 +++++
 lib/open-uri.rb | 16 +++++++++++++---
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a4fcaa7ab5..f39b6c95ef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Nov 25 18:56:06 2003  Tanaka Akira  <akr@m17n.org>
+
+	* lib/open-uri.rb (URI::Generic#find_proxy): ENV case sensitivity test
+	  refined.
+
 Tue Nov 25 18:13:30 2003  Minero Aoki  <aamine@loveruby.net>
 
 	* test/fileutils/test_fileutils.rb: chdir Dir.tmpdir before each
diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index 168bc0a76d..917f385cec 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -458,9 +458,19 @@ module URI
         # HTTP_PROXY conflicts with *_proxy for proxy settings and
         # HTTP_* for header informatin in CGI.
         # So it should be careful to use it.
-        case_sentsitive = /djgpp|bccwin32|mingw|mswin32|mswince|emx/ !~ RUBY_PLATFORM
-        if case_sentsitive
-          # http_proxy is safe to use.
+        pairs = ENV.reject {|k, v| /\Ahttp_proxy\z/i !~ k }
+        case pairs.length
+        when 0 # no proxy setting anyway.
+          proxy_uri = nil
+        when 1
+          k, v = pairs[0]
+          if k == 'http_proxy' && ENV[k.upcase] == nil
+            # http_proxy is safe to use becase ENV is case sensitive.
+            proxy_uri = ENV[name]
+          else
+            proxy_uri = nil
+          end
+        else # http_proxy is safe to use becase ENV is case sensitive.
           proxy_uri = ENV[name]
         end
         if !proxy_uri