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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*stddef inclusion here to first declare ptrdif as a signed long instead of a signed int*/
#ifdef _WINDOWS
# ifndef XP_WIN
# define XP_WIN
# endif
#if defined(_WIN32) || defined(WIN32)
# ifndef XP_WIN32
# define XP_WIN32
# endif
#else
# ifndef XP_WIN16
# define XP_WIN16
# endif
#endif
#endif
#ifdef XP_WIN16
#ifndef _PTRDIFF_T_DEFINED
typedef long ptrdiff_t;
/*
* The Win16 compiler treats pointer differences as 16-bit signed values.
* This macro allows us to treat them as 17-bit signed values, stored in
* a 32-bit type.
*/
#define PTRDIFF(p1, p2, type) \
((((unsigned long)(p1)) - ((unsigned long)(p2))) / sizeof(type))
#define _PTRDIFF_T_DEFINED
#endif /*_PTRDIFF_T_DEFINED*/
#else /*WIN16*/
#define PTRDIFF(p1, p2, type) \
((p1) - (p2))
#endif
#include <stddef.h>
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