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Annotation of sbbs/include/mozilla/js/jsstddef.h, revision 1.1

1.1     ! root        1: /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
        !             2:  *
        !             3:  * ***** BEGIN LICENSE BLOCK *****
        !             4:  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
        !             5:  *
        !             6:  * The contents of this file are subject to the Mozilla Public License Version
        !             7:  * 1.1 (the "License"); you may not use this file except in compliance with
        !             8:  * the License. You may obtain a copy of the License at
        !             9:  * http://www.mozilla.org/MPL/
        !            10:  *
        !            11:  * Software distributed under the License is distributed on an "AS IS" basis,
        !            12:  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
        !            13:  * for the specific language governing rights and limitations under the
        !            14:  * License.
        !            15:  *
        !            16:  * The Original Code is Mozilla Communicator client code, released
        !            17:  * March 31, 1998.
        !            18:  *
        !            19:  * The Initial Developer of the Original Code is
        !            20:  * Netscape Communications Corporation.
        !            21:  * Portions created by the Initial Developer are Copyright (C) 1998
        !            22:  * the Initial Developer. All Rights Reserved.
        !            23:  *
        !            24:  * Contributor(s):
        !            25:  *
        !            26:  * Alternatively, the contents of this file may be used under the terms of
        !            27:  * either of the GNU General Public License Version 2 or later (the "GPL"),
        !            28:  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
        !            29:  * in which case the provisions of the GPL or the LGPL are applicable instead
        !            30:  * of those above. If you wish to allow use of your version of this file only
        !            31:  * under the terms of either the GPL or the LGPL, and not to allow others to
        !            32:  * use your version of this file under the terms of the MPL, indicate your
        !            33:  * decision by deleting the provisions above and replace them with the notice
        !            34:  * and other provisions required by the GPL or the LGPL. If you do not delete
        !            35:  * the provisions above, a recipient may use your version of this file under
        !            36:  * the terms of any one of the MPL, the GPL or the LGPL.
        !            37:  *
        !            38:  * ***** END LICENSE BLOCK ***** */
        !            39: 
        !            40: /*
        !            41:  * stddef inclusion here to first declare ptrdif as a signed long instead of a
        !            42:  * signed int.
        !            43:  */
        !            44: 
        !            45: #ifdef _WINDOWS
        !            46: # ifndef XP_WIN
        !            47: # define XP_WIN
        !            48: # endif
        !            49: #if defined(_WIN32) || defined(WIN32)
        !            50: # ifndef XP_WIN32
        !            51: # define XP_WIN32
        !            52: # endif
        !            53: #else
        !            54: # ifndef XP_WIN16
        !            55: # define XP_WIN16
        !            56: # endif
        !            57: #endif
        !            58: #endif
        !            59: 
        !            60: #ifdef XP_WIN16
        !            61: #ifndef _PTRDIFF_T_DEFINED
        !            62: typedef long ptrdiff_t;
        !            63: 
        !            64: /*
        !            65:  * The Win16 compiler treats pointer differences as 16-bit signed values.
        !            66:  * This macro allows us to treat them as 17-bit signed values, stored in
        !            67:  * a 32-bit type.
        !            68:  */
        !            69: #define PTRDIFF(p1, p2, type)                                 \
        !            70:     ((((unsigned long)(p1)) - ((unsigned long)(p2))) / sizeof(type))
        !            71: 
        !            72: #define _PTRDIFF_T_DEFINED
        !            73: #endif /*_PTRDIFF_T_DEFINED*/
        !            74: #else /*WIN16*/
        !            75: 
        !            76: #define PTRDIFF(p1, p2, type)                                 \
        !            77:        ((p1) - (p2))
        !            78: 
        !            79: #endif
        !            80: 
        !            81: #include <stddef.h>
        !            82: 
        !            83: 

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