1 files changed, 29 insertions, 0 deletions
diff --git a/src/glut/glx/glut_keyup.c b/src/glut/glx/glut_keyup.c
new file mode 100644
index 0000000000..1c6e78051d
--- /dev/null
+++ b/src/glut/glx/glut_keyup.c
@@ -0,0 +1,29 @@
+
+/* Copyright (c) Mark J. Kilgard, 1997. */
+
+/* This program is freely distributable without licensing fees
+   and is provided without guarantee or warrantee expressed or
+   implied. This program is -not- in the public domain. */
+
+#include <stdlib.h>
+
+#include "glutint.h"
+
+/* CENTRY */
+void APIENTRY
+glutKeyboardUpFunc(GLUTkeyboardCB keyboardUpFunc)
+{
+  __glutChangeWindowEventMask(KeyReleaseMask,
+    keyboardUpFunc != NULL || __glutCurrentWindow->specialUp != NULL);
+  __glutCurrentWindow->keyboardUp = keyboardUpFunc;
+}
+
+void APIENTRY
+glutSpecialUpFunc(GLUTspecialCB specialUpFunc)
+{
+  __glutChangeWindowEventMask(KeyReleaseMask,
+    specialUpFunc != NULL || __glutCurrentWindow->keyboardUp != NULL);
+  __glutCurrentWindow->specialUp = specialUpFunc;
+}
+
+/* ENDCENTRY */