PATCH: tcp close bug

[Peter Stephenson <pws@xxxxxxx>]

The way the list of sessions is scanned when closing all tcp sessions
(with `tcp -c' and no arguments, or when unlinking) is liable to crash
the shell.

Index: Src/Modules/tcp.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/Modules/tcp.c,v
retrieving revision 1.23
diff -u -r1.23 tcp.c
--- Src/Modules/tcp.c	25 Apr 2002 14:06:47 -0000	1.23
+++ Src/Modules/tcp.c	8 May 2002 15:43:04 -0000
@@ -279,10 +279,12 @@
 static void
 tcp_cleanup(void)
 {
-    LinkNode node;
+    LinkNode node, next;
 
-    for (node = firstnode(ztcp_sessions); node; incnode(node))
+    for (node = firstnode(ztcp_sessions); node; node = next) {
+	next = node->next;
 	tcp_close((Tcp_session)getdata(node));
+    }
 }
 
 /**/

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 392070


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