* io.c (rb_io_inspect): replace sprintf() with "%s" format all

  over the place by snprintf() to avoid integer overflow.

* sample/svr.rb: service can be stopped by ill-behaved client; use
  tsvr.rb instead.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8799 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 3 deletions

diff --git a/sample/svr.rb b/sample/svr.rb
index 6169861abc..11cfc5fbfe 100644
--- a/sample/svr.rb
+++ b/sample/svr.rb
@@ -1,6 +1,9 @@
 # socket example - server side
 # usage: ruby svr.rb
 
+# this server might be blocked by an ill-behaved client.
+# see tsvr.rb which is safe from client blocking.
+
 require "socket"
 
 gs = TCPserver.open(0)
@@ -22,10 +25,9 @@ loop do
 	print(s, " is gone\n")
 	s.close
 	socks.delete(s)
-      else
-	if str = s.gets
+      # single thread gets may block whole service
+      elsif str = s.gets   
 	  s.write(str)
-	end
       end
     end
   end