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.

/*
* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/



/**
 @file
 @publishedAll
 @released
*/

#ifndef	_LIMITS_H_
#define	_LIMITS_H_
/**
Number of bits in a `char'.	
*/
#define	CHAR_BIT	8

/**
Maximum length of any multibyte character in any locale.
Locale-writers should change this as necessary.  
*/
#define	MB_LEN_MAX	2

/**
Minimum and maximum values a `signed char' can hold.  
*/
#define	SCHAR_MIN	(-128)
#define	SCHAR_MAX	127

/**
Maximum value an `unsigned char' can hold.  (Minimum is 0.)  
*/
#define	UCHAR_MAX	255U

/**
Minimum and maximum values a `char' can hold.  
The sign of "char" is probably dictated by a command-line switch to
your compiler. 
MSVC will define _CHAR_UNSIGNED if the /J option is used.
GCC uses --unsigned-char (and friends) to override the default for
the target processor and defines a symbol __CHAR_UNSIGNED__
if appropriate.
*/
#if defined(__CHAR_UNSIGNED__) || defined(_CHAR_UNSIGNED) || ( defined (__ARMCC__) && !( __FEATURE_SIGNED_CHAR) )
#define	CHAR_MIN	0
#define	CHAR_MAX	UCHAR_MAX
#else
#define	CHAR_MIN	SCHAR_MIN
#define	CHAR_MAX	SCHAR_MAX
#endif

/**
Minimum and maximum values a `signed short int' can hold.  
*/
#define	SHRT_MIN	(-32768)
#define	SHRT_MAX	32767

/**
Maximum value an `unsigned short int' can hold.  (Minimum is 0.)  
*/
#define	USHRT_MAX	65535

/**
Minimum and maximum values a `signed int' can hold.  
*/
#define	INT_MIN	(- INT_MAX - 1)
#define	INT_MAX	2147483647

/**
Maximum value an `unsigned int' can hold.  (Minimum is 0.)  
*/
#define	UINT_MAX	4294967295U

/**
Minimum and maximum values a `signed long int' can hold.  
*/
#define	LONG_MIN	INT_MIN
#define	LONG_MAX	INT_MAX

/**
Maximum value an `unsigned long int' can hold.  (Minimum is 0.)  
*/
#define	ULONG_MAX	UINT_MAX

#endif	/* limits.h  */