Re: XEmacs hangs in rfc2047-encode-string

[Andrey Slusar <anrays@gmail.com>]

Fri, 31 Dec 2004 15:41:48 +0100, Steinar Bang wrote:

> > We got several reports like this one from people using XEmacs 21.4.16.
> > I guess it's a bug in XEmacs' RegExp handling.  Please make a full
> > XEmacs bug report and send it to the XEmacs developers.

> Ok, I've done that.

> But it would be nice if a workaround could be found in Gnus.  Even if
> it was fixed today, it'll be a while until a new xemacs works its way
> into debian testing.

  Apply the patch and recompile xemacs:
--8<---------------cut here---------------start------------->8---
Index: regex.c
===================================================================
RCS file: /pack/xemacscvs/XEmacs/xemacs/src/regex.c,v
retrieving revision 1.25.2.10
retrieving revision 1.25.2.9
diff -u -r1.25.2.10 -r1.25.2.9
--- src/regex.c	2004/10/08 00:40:33	1.25.2.10
+++ src/regex.c	2004/09/23 03:03:43	1.25.2.9
@@ -4766,20 +4766,16 @@
 
 		/* Go through the first `min (num_regs, regs->num_regs)'
 		   registers, since that is all we initialized.  */
-		for (mcnt = 1;
-		     mcnt < MIN (num_nonshy_regs, regs->num_regs);
-		     mcnt++)
+		for (mcnt = 1; mcnt < MIN (num_regs, regs->num_regs); mcnt++)
 		  {
-		    int ireg = bufp->external_to_internal_register[mcnt];
-
-		    if (REG_UNSET (regstart[ireg]) || REG_UNSET (regend[ireg]))
+		    if (REG_UNSET (regstart[mcnt]) || REG_UNSET (regend[mcnt]))
 		      regs->start[mcnt] = regs->end[mcnt] = -1;
 		    else
 		      {
 			regs->start[mcnt]
-			  = (regoff_t) POINTER_TO_OFFSET (regstart[ireg]);
+			  = (regoff_t) POINTER_TO_OFFSET (regstart[mcnt]);
 			regs->end[mcnt]
-			  = (regoff_t) POINTER_TO_OFFSET (regend[ireg]);
+			  = (regoff_t) POINTER_TO_OFFSET (regend[mcnt]);
 		      }
 		  }
 	      } /* regs && !bufp->no_sub */
--8<---------------cut here---------------end--------------->8---

 This is fixed problems. I am added this patch to official freebsd
xemacs21-mule port.

-- 
Regards,
Andrey.