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changeset 1508:9b2600034473

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Safety check in _lookup_icon() on Windows to make sure we don't try to add an invalid icon handle to the image list.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Tue, 27 Dec 2011 10:47:38 +0000
parents fbe9028af341
children 02bfae9fd3e7
files win/dw.c
diffstat 1 files changed, 4 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/win/dw.c	Tue Dec 27 00:15:51 2011 +0000
+++ b/win/dw.c	Tue Dec 27 10:47:38 2011 +0000
@@ -8305,6 +8305,10 @@
    int z;
    static HWND lasthwnd = NULL;
 
+   /* We can't add an invalid handle */
+   if(!hicon)
+      return -1;
+      
    if(!hSmall || !hLarge)
    {
       hSmall = ImageList_Create(16, 16, ILC_COLOR16 | ILC_MASK, ICON_INDEX_LIMIT, 0);