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authorAndreas Schwab <schwab@linux-m68k.org>2012-04-01 18:42:57 +0200
committerAndreas Schwab <schwab@linux-m68k.org>2012-04-01 18:42:57 +0200
commit3b0512a3d5c5ef30308bc466d914c4282153d453 (patch)
treeb6e6f894162a478fe41036880c707dac4e03b93d
parentd6ec6cb42b6f4ee90aa2237bb8f4f465ffd1f5b7 (diff)
downloademacs-3b0512a3d5c5ef30308bc466d914c4282153d453.tar.gz
Fixes: debbugs:11141
* w32menu.c (is_simple_dialog): Properly check lisp types.
-rw-r--r--src/ChangeLog5
-rw-r--r--src/w32menu.c16
2 files changed, 17 insertions, 4 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 9be289c42bb..ee54c48cd94 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2012-04-01 Andreas Schwab <schwab@linux-m68k.org>
+
+ * w32menu.c (is_simple_dialog): Properly check lisp types.
+ (Bug#11141)
+
2012-03-31 Eli Zaretskii <eliz@gnu.org>
* xdisp.c (move_it_by_lines): When DVPOS is positive, and the
diff --git a/src/w32menu.c b/src/w32menu.c
index b5cc6801a72..b25edf0f269 100644
--- a/src/w32menu.c
+++ b/src/w32menu.c
@@ -1173,18 +1173,23 @@ w32_dialog_show (FRAME_PTR f, int keymaps,
static int
is_simple_dialog (Lisp_Object contents)
{
- Lisp_Object options = XCDR (contents);
+ Lisp_Object options;
Lisp_Object name, yes, no, other;
+ if (!CONSP (contents))
+ return 0;
+ options = XCDR (contents);
+
yes = build_string ("Yes");
no = build_string ("No");
if (!CONSP (options))
return 0;
- name = XCAR (XCAR (options));
- if (!CONSP (options))
+ name = XCAR (options);
+ if (!CONSP (name))
return 0;
+ name = XCAR (name);
if (!NILP (Fstring_equal (name, yes)))
other = no;
@@ -1197,7 +1202,10 @@ is_simple_dialog (Lisp_Object contents)
if (!CONSP (options))
return 0;
- name = XCAR (XCAR (options));
+ name = XCAR (options);
+ if (!CONSP (name))
+ return 0;
+ name = XCAR (name);
if (NILP (Fstring_equal (name, other)))
return 0;