* lib/webrick: imported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/webrick/httpservlet/cgi_runner.rb

@@ -0,0 +1,45 @@
+#
+# cgi_runner.rb -- CGI launcher.
+#
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2000 TAKAHASHI Masayoshi, GOTOU YUUZOU
+# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
+# reserved.
+#
+# $IPR: cgi_runner.rb,v 1.9 2002/09/25 11:33:15 gotoyuzo Exp $
+
+def sysread(io, size)
+  buf = ""
+  while size > 0
+    tmp = io.sysread(size)
+    buf << tmp
+    size -= tmp.size
+  end
+  return buf
+end
+
+STDIN.binmode
+
+buf = ""
+len = sysread(STDIN, 8).to_i
+out = sysread(STDIN, len)
+STDOUT.reopen(open(out, "w"))
+
+len = sysread(STDIN, 8).to_i
+err = sysread(STDIN, len)
+STDERR.reopen(open(err, "w"))
+
+len  = sysread(STDIN, 8).to_i
+dump = sysread(STDIN, len)
+hash = Marshal.restore(dump)
+ENV.keys.each{|name| ENV.delete(name) }
+hash.each{|k, v| ENV[k] = v if v }
+
+dir = File::dirname(ENV["SCRIPT_FILENAME"])
+Dir::chdir dir
+
+if interpreter = ARGV[0]
+  exec(interpreter, ENV["SCRIPT_FILENAME"])
+  # NOTREACHED
+end
+exec ENV["SCRIPT_FILENAME"]