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122 lines
4.2 KiB
C
122 lines
4.2 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sw=4 et tw=78:
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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.org code.
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*
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* The Initial Developer of the Original Code is
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* Jim Blandy
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* Portions created by the Initial Developer are Copyright (C) 2008
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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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* This header provides definitions for the <stdint.h> types we use,
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* even on systems that lack <stdint.h>.
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*
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* NOTE: This header should only be included in private SpiderMonkey
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* code; public headers should use only the JS{Int,Uint}N types; see
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* the comment for them in "jsinttypes.h".
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*
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* At the moment, these types are not widely used within SpiderMonkey;
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* this file is meant to make existing uses portable, and to allow us
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* to transition portably to using them more, if desired.
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*/
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#ifndef jsstdint_h___
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#define jsstdint_h___
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#include "jsinttypes.h"
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/* If we have a working stdint.h, then jsinttypes.h has already
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defined the standard integer types. Otherwise, define the standard
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names in terms of the 'JS' types. */
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#if ! defined(JS_HAVE_STDINT_H)
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typedef JSInt8 int8_t;
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typedef JSInt16 int16_t;
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typedef JSInt32 int32_t;
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typedef JSInt64 int64_t;
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typedef JSUint8 uint8_t;
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typedef JSUint16 uint16_t;
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typedef JSUint32 uint32_t;
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typedef JSUint64 uint64_t;
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/* Suppress other, conflicting attempts to define stdint-bits. */
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#define _STDINT_H
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/* If JS_STDDEF_H_HAS_INTPTR_T or JS_CRTDEFS_H_HAS_INTPTR_T are
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defined, then jsinttypes.h included the given header, which
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introduced definitions for intptr_t and uintptr_t. Otherwise,
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define the standard names in terms of the 'JS' types. */
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#if !defined(JS_STDDEF_H_HAS_INTPTR_T) && !defined(JS_CRTDEFS_H_HAS_INTPTR_T)
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typedef JSIntPtr intptr_t;
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typedef JSUintPtr uintptr_t;
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#endif
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#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
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#define INT8_MAX 127
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#define INT8_MIN (-INT8_MAX - 1)
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#define INT16_MAX 32767
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#define INT16_MIN (-INT16_MAX - 1)
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#define INT32_MAX 2147483647
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#define INT32_MIN (-INT32_MAX - 1)
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#define INT64_MAX 9223372036854775807LL
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#define INT64_MIN (-INT64_MAX - 1)
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#define UINT8_MAX 255
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#define UINT16_MAX 65535
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#define UINT32_MAX 4294967295U
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#define UINT64_MAX 18446744073709551615ULL
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/*
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* These are technically wrong as they can't be used in the preprocessor, but
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* we would require compiler assistance, and at the moment we don't need
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* preprocessor-correctness.
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*/
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#ifdef _MSC_VER
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#undef SIZE_MAX
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#endif
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#define INTPTR_MAX ((intptr_t) (UINTPTR_MAX >> 1))
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#define INTPTR_MIN (intptr_t(uintptr_t(INTPTR_MAX) + uintptr_t(1)))
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#define UINTPTR_MAX ((uintptr_t) -1)
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#define SIZE_MAX UINTPTR_MAX
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#define PTRDIFF_MAX INTPTR_MAX
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#define PTRDIFF_MIN INTPTR_MIN
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#endif /* !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) */
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#endif /* JS_HAVE_STDINT_H */
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#endif /* jsstdint_h___ */
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