xkbUtils.c: Catch division by zero

Fixes ArcticaProject/nx-libs#808

xkbUtils.c: Catch division by zero
4df77fe7 · Ulrich Sibiller · 6981e9bb · 4df77fe7
Commit 4df77fe7 authored May 15, 2019 by Ulrich Sibiller
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xkbUtils.c nx-X11/programs/Xserver/xkb/xkbUtils.c +4 -0

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--- a/nx-X11/programs/Xserver/xkb/xkbUtils.c
+++ b/nx-X11/programs/Xserver/xkb/xkbUtils.c
@@ -685,6 +685,10 @@ unsigned	act;
 	    else group= newGroup;
 	}
 	else {
+#ifdef NXAGENT_SERVER
+	  /* we have seen division by zero here */
+	  if (ctrls->num_groups != 0)
+#endif
 	    group%= ctrls->num_groups;
 	}
    }