Ur/Web: tests/goback.ur annotate

Fix a read-after-free bug using a timestamp check

author	Adam Chlipala <adam@chlipala.net>
date	Thu, 19 Nov 2015 13:18:58 -0500
parents	c3b5cf5c2f98
children

rev	line source
adam@1552	1 table channels : { Channel : channel {} }
adam@1552	2
adam@1552	3 fun get () =
adam@1552	4 ch <- channel;
adam@1552	5 dml (INSERT INTO channels (Channel) VALUES ({[ch]}));
adam@1552	6 return <xml><body onload={recv ch}>
adam@1552	7 Hi.
adam@1552	8 </body></xml>
adam@1552	9
adam@1552	10 fun post () =
adam@1552	11 ch <- channel;
adam@1552	12 dml (INSERT INTO channels (Channel) VALUES ({[ch]}));
adam@1552	13 return <xml><body onload={recv ch}>
adam@1552	14 Hi!
adam@1552	15 </body></xml>
adam@1552	16
adam@1552	17 fun main () = return <xml><body>
adam@1552	18 <li><a link={get ()}>Get</a></li>
adam@1552	19 <li><form><submit action={post}/></form></li>
adam@1552	20 </body></xml>

Mercurial > urweb