James Hawkins : msi: Only allow valid styles in msi_dialog_get_style.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7f4a4e161f561a8e7416e918c4e57affee688193
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7f4a4e161f561a8e7416e918c4e57affee688193

Author: James Hawkins <truiken at gmail.com>
Date:   Sun May  6 20:28:13 2007 -0500

msi: Only allow valid styles in msi_dialog_get_style.

---

 dlls/msi/dialog.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/msi/dialog.c b/dlls/msi/dialog.c
index 35a192c..5440e67 100644
--- a/dlls/msi/dialog.c
+++ b/dlls/msi/dialog.c
@@ -265,11 +265,11 @@ static LPWSTR msi_dialog_get_style( LPCWSTR p, LPCWSTR *rest )
     while ((first = strchrW( p, '{' )) && (q = strchrW( first + 1, '}' )))
     {
         p = first + 1;
-        if( *p == '\\' || *p == '&' )
-            p++;
+        if( *p != '\\' && *p != '&' )
+            return NULL;
 
         /* little bit of sanity checking to stop us getting confused with RTF */
-        for( i=p; i<q; i++ )
+        for( i=++p; i<q; i++ )
             if( *i == '}' || *i == '\\' )
                 return NULL;
     }