X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=winboard%2Fwoptions.c;h=e6d6e80b6d5cf71c04cf79f7ef07794c18a7b490;hb=71fc940b34352bbc4cf5dd86ef91cfe6b94bf7ad;hp=89f30f76a410cb3eb4dcaee66e7130705b9a2f66;hpb=87de8ff524ffdde57cf2cd1a92c44a3a9377e28d;p=xboard.git

diff --git a/winboard/woptions.c b/winboard/woptions.c
index 89f30f7..e6d6e80 100644
--- a/winboard/woptions.c
+++ b/winboard/woptions.c
@@ -1,7 +1,8 @@
 /*
  * woptions.c -- Options dialog box routines for WinBoard
  *
- * Copyright 2000, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
+ * Copyright 2000, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
+ * Software Foundation, Inc.
  *
  * Enhancements Copyright 2005 Alessandro Scotti
  *
@@ -895,13 +896,14 @@ VariantWhichRadio(HWND hDlg)
 void
 VariantShowRadio(HWND hDlg)
 {
-  char c = *engineVariant;
+  char c = *engineVariant, *v, *p;
   int i=0, j;
   CheckDlgButton(hDlg, radioButton[gameInfo.variant], TRUE);
   *engineVariant = NULLCHAR; // [HGM] kludge to prevent VariantName will always return engineVariant
   while((j = radioButton[i++]) != -2) {
 	if(j == -1) continue; // no menu button
-	EnableWindow(GetDlgItem(hDlg, j), appData.noChessProgram || strstr(first.variants, VariantName(i-1)));
+	v = VariantName(i-1); p = strstr(first.variants, v);
+	EnableWindow(GetDlgItem(hDlg, j), appData.noChessProgram || p && (!*v || strlen(v) == strlen(p) || p[strlen(v)] == ','));
   }
   *engineVariant = c;
   for(i=0; i<15; i++) { // initialize engine-defined variants