epoc32/include/libc/limits.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 2 2fe1408b6811
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
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/*
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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/**
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 @file
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 @publishedAll
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 @released
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*/
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#ifndef	_LIMITS_H_
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#define	_LIMITS_H_
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/**
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Number of bits in a `char'.	
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*/
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#define	CHAR_BIT	8
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/**
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Maximum length of any multibyte character in any locale.
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Locale-writers should change this as necessary.  
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*/
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#define	MB_LEN_MAX	2
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/**
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Minimum and maximum values a `signed char' can hold.  
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*/
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#define	SCHAR_MIN	(-128)
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#define	SCHAR_MAX	127
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/**
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Maximum value an `unsigned char' can hold.  (Minimum is 0.)  
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*/
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#define	UCHAR_MAX	255U
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/**
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Minimum and maximum values a `char' can hold.  
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The sign of "char" is probably dictated by a command-line switch to
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your compiler. 
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MSVC will define _CHAR_UNSIGNED if the /J option is used.
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GCC uses --unsigned-char (and friends) to override the default for
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the target processor and defines a symbol __CHAR_UNSIGNED__
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if appropriate.
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*/
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#if defined(__CHAR_UNSIGNED__) || defined(_CHAR_UNSIGNED) || ( defined (__ARMCC__) && !( __FEATURE_SIGNED_CHAR) )
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#define	CHAR_MIN	0
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#define	CHAR_MAX	UCHAR_MAX
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#else
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#define	CHAR_MIN	SCHAR_MIN
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#define	CHAR_MAX	SCHAR_MAX
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#endif
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/**
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Minimum and maximum values a `signed short int' can hold.  
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*/
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#define	SHRT_MIN	(-32768)
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#define	SHRT_MAX	32767
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/**
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Maximum value an `unsigned short int' can hold.  (Minimum is 0.)  
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*/
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#define	USHRT_MAX	65535
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/**
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Minimum and maximum values a `signed int' can hold.  
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*/
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#define	INT_MIN	(- INT_MAX - 1)
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#define	INT_MAX	2147483647
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/**
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Maximum value an `unsigned int' can hold.  (Minimum is 0.)  
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*/
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#define	UINT_MAX	4294967295U
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/**
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Minimum and maximum values a `signed long int' can hold.  
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*/
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#define	LONG_MIN	INT_MIN
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#define	LONG_MAX	INT_MAX
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/**
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Maximum value an `unsigned long int' can hold.  (Minimum is 0.)  
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*/
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#define	ULONG_MAX	UINT_MAX
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#endif	/* limits.h  */