fix a buffer overflow

[libpicofe.git] / gl.h

diff --git a/gl.h b/gl.h
index 83b9e41..cb48071 100644 (file)
--- a/gl.h
+++ b/gl.h
@@ -1,9 +1,16 @@
+#ifndef LIBPICOFE_GL_H
+#define LIBPICOFE_GL_H
+
 #ifdef HAVE_GLES
 
 int gl_init(void *display, void *window, int *quirks);
 int gl_flip(const void *fb, int w, int h);
 void gl_finish(void);
 
+/* for external flips */
+extern void *gl_es_display;
+extern void *gl_es_surface;
+
 #else
 
 static __inline int gl_init(void *display, void *window, int *quirks)
@@ -18,6 +25,11 @@ static __inline void gl_finish(void)
 {
 }
 
+#define gl_es_display (void *)0
+#define gl_es_surface (void *)0
+
 #endif
 
 #define GL_QUIRK_ACTIVATE_RECREATE 1
+
+#endif // LIBPICOFE_GL_H