84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* stddef inclusion here to first declare ptrdif as a signed long instead of a
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* signed int.
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*/
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#ifdef _WINDOWS
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# ifndef XP_WIN
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# define XP_WIN
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# endif
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#if defined(_WIN32) || defined(WIN32)
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# ifndef XP_WIN32
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# define XP_WIN32
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# endif
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#else
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# ifndef XP_WIN16
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# define XP_WIN16
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# endif
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#endif
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#endif
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#ifdef XP_WIN16
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#ifndef _PTRDIFF_T_DEFINED
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typedef long ptrdiff_t;
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/*
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* The Win16 compiler treats pointer differences as 16-bit signed values.
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* This macro allows us to treat them as 17-bit signed values, stored in
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* a 32-bit type.
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*/
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#define PTRDIFF(p1, p2, type) \
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((((unsigned long)(p1)) - ((unsigned long)(p2))) / sizeof(type))
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#define _PTRDIFF_T_DEFINED
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#endif /*_PTRDIFF_T_DEFINED*/
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#else /*WIN16*/
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#define PTRDIFF(p1, p2, type) \
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((p1) - (p2))
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#endif
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#include <stddef.h>
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