Fixing two minor bugs, adding comments

[freeglut] / src / freeglut_internal.h

diff --git a/src/freeglut_internal.h b/src/freeglut_internal.h
index ca751f3..8ce6f7f 100644 (file)
--- a/src/freeglut_internal.h
+++ b/src/freeglut_internal.h
@@ -77,13 +77,15 @@ LONG WINAPI ChangeDisplaySettingsExW(LPCWSTR,LPDEVMODEW,HWND,DWORD,LPVOID);
 #define strdup   _strdup
 #endif
 
-/* Those files should be available on every platform. */
+/* These files should be available on every platform. */
 #include <GL/gl.h>
 #include <GL/glu.h>
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
 #include <stdlib.h>
+
+/* These are included based on autoconf directives. */
 #if HAVE_SYS_TYPES_H
 #    include <sys/types.h>
 #endif
@@ -126,6 +128,8 @@ LONG WINAPI ChangeDisplaySettingsExW(LPCWSTR,LPDEVMODEW,HWND,DWORD,LPVOID);
 #    define  FALSE  0
 #endif
 
+/* General defines */
+
 #define INVALID_MODIFIERS 0xffffffff
 
 /* -- GLOBAL TYPE DEFINITIONS ---------------------------------------------- */
@@ -284,7 +288,7 @@ struct tagSFG_Display
     int             DisplayPointerX;    /* saved X location of the pointer   */
     int             DisplayPointerY;    /* saved Y location of the pointer   */
 
-#endif
+#endif /* X_XF86VidModeGetModeLine */
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
     HINSTANCE        Instance;          /* The application's instance        */