1 files changed, 60 insertions, 0 deletions
diff --git a/xc/test/xsuite/xtest/src/lib/extenavail.c b/xc/test/xsuite/xtest/src/lib/extenavail.c
new file mode 100644
index 000000000..e87f457ab
--- /dev/null
+++ b/xc/test/xsuite/xtest/src/lib/extenavail.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 1990, 1991 by the Massachusetts Institute of Technology and
+ * UniSoft Group Limited.
+ * 
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the names of MIT and UniSoft not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  MIT and UniSoft
+ * make no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * $XConsortium$
+ */
+
+#include "Xlib.h"
+
+#ifdef GENERATE_PIXMAPS
+/* in this case we never want to do anything like real buffer stuffing or
+ * I/O on our "display" as it isn't real enough for that.
+ */
+#undef XTESTEXTENSION
+#endif /* GENERATE_PIXMAPS */
+
+extern      Display *Dsp;
+
+#ifndef XTestExtName
+# define XTestExtName "XTEST"
+#endif
+
+int XTTestExtn = 0;
+
+Status
+IsExtTestAvailable()
+{
+#ifdef XTESTEXTENSION
+	int	mop;
+	int	dev;
+	int	der;
+
+	switch(XTTestExtn) {
+	        case -1 :
+		    return(False);
+		case 1 :
+			return(True);
+		default:
+		    if(XQueryExtension(Dsp, XTestExtName, &mop, &dev, &der) == False) {
+			    XTTestExtn = -1;
+			    return(False);
+		    } else {
+			    XTTestExtn = 1;
+			    return(True);
+		    }
+	    }
+#else
+	return(False);
+#endif
+}