From: Eli Zaretskii <eliz@gnu.org>
Date: Wed, 31 Mar 2010 09:08:40 +0000 (+0300)
Subject: Fix bug #5703.
X-Git-Tag: emacs-pretest-23.1.95~9
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4a217bedd4dffb1722401ebd2c5736886e441a0c;p=emacs.git

Fix bug #5703.

 w32fns.c (x_create_tip_frame): Copy `parms' before we modify it
 in this function.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index d6bab5bdefc..e5571067d4a 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2010-03-31  Eli Zaretskii  <eliz@gnu.org>
+
+	* w32fns.c (x_create_tip_frame): Copy `parms' before we modify it
+	in this function.  (Bug#5703)
+
 2010-03-31  Chong Yidong  <cyd@stupidchicken.com>
 
 	* nsterm.h: Fix last change.
diff --git a/src/w32fns.c b/src/w32fns.c
index 938bd463b25..795e7208569 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -5427,6 +5427,10 @@ x_create_tip_frame (dpyinfo, parms, text)
 
   kb = dpyinfo->terminal->kboard;
 
+  /* The calls to x_get_arg remove elements from PARMS, so copy it to
+     avoid destructive changes behind our caller's back.  */
+  parms = Fcopy_alist (parms);
+
   /* Get the name of the frame to use for resource lookup.  */
   name = x_get_arg (dpyinfo, parms, Qname, "name", "Name", RES_TYPE_STRING);
   if (!STRINGP (name)