epoc32/include/libc/limits.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Final list of Symbian^2 public API header files
williamr@2
     1
/*
williamr@2
     2
* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2
     3
* All rights reserved.
williamr@2
     4
* This component and the accompanying materials are made available
williamr@2
     5
* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2
     6
* which accompanies this distribution, and is available
williamr@2
     7
* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2
     8
*
williamr@2
     9
* Initial Contributors:
williamr@2
    10
* Nokia Corporation - initial contribution.
williamr@2
    11
*
williamr@2
    12
* Contributors:
williamr@2
    13
*
williamr@2
    14
* Description:
williamr@2
    15
*
williamr@2
    16
*/
williamr@2
    17
williamr@2
    18
williamr@2
    19
williamr@2
    20
williamr@2
    21
williamr@2
    22
williamr@2
    23
/**
williamr@2
    24
 @file
williamr@2
    25
 @publishedAll
williamr@2
    26
 @released
williamr@2
    27
*/
williamr@2
    28
williamr@2
    29
#ifndef	_LIMITS_H_
williamr@2
    30
#define	_LIMITS_H_
williamr@2
    31
/**
williamr@2
    32
Number of bits in a `char'.	
williamr@2
    33
*/
williamr@2
    34
#define	CHAR_BIT	8
williamr@2
    35
williamr@2
    36
/**
williamr@2
    37
Maximum length of any multibyte character in any locale.
williamr@2
    38
Locale-writers should change this as necessary.  
williamr@2
    39
*/
williamr@2
    40
#define	MB_LEN_MAX	2
williamr@2
    41
williamr@2
    42
/**
williamr@2
    43
Minimum and maximum values a `signed char' can hold.  
williamr@2
    44
*/
williamr@2
    45
#define	SCHAR_MIN	(-128)
williamr@2
    46
#define	SCHAR_MAX	127
williamr@2
    47
williamr@2
    48
/**
williamr@2
    49
Maximum value an `unsigned char' can hold.  (Minimum is 0.)  
williamr@2
    50
*/
williamr@2
    51
#define	UCHAR_MAX	255U
williamr@2
    52
williamr@2
    53
/**
williamr@2
    54
Minimum and maximum values a `char' can hold.  
williamr@2
    55
The sign of "char" is probably dictated by a command-line switch to
williamr@2
    56
your compiler. 
williamr@2
    57
MSVC will define _CHAR_UNSIGNED if the /J option is used.
williamr@2
    58
GCC uses --unsigned-char (and friends) to override the default for
williamr@2
    59
the target processor and defines a symbol __CHAR_UNSIGNED__
williamr@2
    60
if appropriate.
williamr@2
    61
*/
williamr@2
    62
#if defined(__CHAR_UNSIGNED__) || defined(_CHAR_UNSIGNED) || ( defined (__ARMCC__) && !( __FEATURE_SIGNED_CHAR) )
williamr@2
    63
#define	CHAR_MIN	0
williamr@2
    64
#define	CHAR_MAX	UCHAR_MAX
williamr@2
    65
#else
williamr@2
    66
#define	CHAR_MIN	SCHAR_MIN
williamr@2
    67
#define	CHAR_MAX	SCHAR_MAX
williamr@2
    68
#endif
williamr@2
    69
williamr@2
    70
/**
williamr@2
    71
Minimum and maximum values a `signed short int' can hold.  
williamr@2
    72
*/
williamr@2
    73
#define	SHRT_MIN	(-32768)
williamr@2
    74
#define	SHRT_MAX	32767
williamr@2
    75
williamr@2
    76
/**
williamr@2
    77
Maximum value an `unsigned short int' can hold.  (Minimum is 0.)  
williamr@2
    78
*/
williamr@2
    79
#define	USHRT_MAX	65535
williamr@2
    80
williamr@2
    81
/**
williamr@2
    82
Minimum and maximum values a `signed int' can hold.  
williamr@2
    83
*/
williamr@2
    84
#define	INT_MIN	(- INT_MAX - 1)
williamr@2
    85
#define	INT_MAX	2147483647
williamr@2
    86
williamr@2
    87
/**
williamr@2
    88
Maximum value an `unsigned int' can hold.  (Minimum is 0.)  
williamr@2
    89
*/
williamr@2
    90
#define	UINT_MAX	4294967295U
williamr@2
    91
williamr@2
    92
/**
williamr@2
    93
Minimum and maximum values a `signed long int' can hold.  
williamr@2
    94
*/
williamr@2
    95
#define	LONG_MIN	INT_MIN
williamr@2
    96
#define	LONG_MAX	INT_MAX
williamr@2
    97
williamr@2
    98
/**
williamr@2
    99
Maximum value an `unsigned long int' can hold.  (Minimum is 0.)  
williamr@2
   100
*/
williamr@2
   101
#define	ULONG_MAX	UINT_MAX
williamr@2
   102
williamr@2
   103
#endif	/* limits.h  */