From 125ce76f5b10e58c75e9a242362f57856b4aaf4f Mon Sep 17 00:00:00 2001
From: Dan Nicholson <dbn.lists@gmail.com>
Date: Sat, 4 Apr 2009 12:21:05 -0700
Subject: [PATCH] xkbcomp: Ensure at least keycodes supplied in components

It seems that at least a non-empty keycodes component is required to
compile a XkbcDescPtr.
---
 src/xkbcomp/xkbcomp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xkbcomp/xkbcomp.c b/src/xkbcomp/xkbcomp.c
index 3cfde6a..450c459 100644
--- a/src/xkbcomp/xkbcomp.c
+++ b/src/xkbcomp/xkbcomp.c
@@ -155,6 +155,11 @@ XkbcCompileKeymapFromComponents(XkbComponentNamesPtr ktcsg)
     XkbFile *file, *mapToUse;
     XkbcDescPtr xkb;
 
+    if (!ktcsg || ISEMPTY(ktcsg->keycodes)) {
+        ERROR("keycodes required to generate XKB keymap\n");
+        goto fail;
+    }
+
     if (!(file = XkbKeymapFileFromComponents(ktcsg))) {
         ERROR("failed to generate parsed XKB file from components\n");
         goto fail;
-- 
2.7.4