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[/] [or1k/] [trunk/] [uclinux/] [uC-libc/] [include/] [limits.h] - Rev 1765

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/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This file is part of the GNU C Library.
 
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
 
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.
 
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */
 
/*
 *	ANSI Standard: 4.14/2.2.4.2 Limits of integral types	<limits.h>
 */
 
#ifndef	_LIMITS_H
 
#define	_LIMITS_H	1
#include <features.h>
 
#ifdef	__USE_POSIX
/* POSIX adds things to <limits.h>.  */
#include <posix1_lim.h>
#endif
 
#ifdef	__USE_POSIX2
#include <posix2_lim.h>
#endif
 
 
/* Only if gcc 2.x is used and -traditional is not used, we can use
 * #include_next.
#if	__GNUC__ >= 2 && __STDC__
 */
#if	__GNUC__ >= 2
 
 /* Have we done that? */
# if !defined(_GCC_LIMITS_H_) && !defined(_GCC_LIMITS_H)
  /* Get the compiler's limits.h, which defines all the ANSI
   * constants.
   */
  /* This tells it not to look for another.  */
# define _LIBC_LIMITS_H
# define _LIBC_LIMITS_H_
# include_next <limits.h>
# endif
 
#else	/* Not GCC 2.  */
 
/* We don't have #include_next.
   Define ANSI <limits.h> for standard 32-bit words.  */
 
/* These assume 8-bit `char's, 16-bit `short int's,
   and 32-bit `int's and `long int's.  */
 
/* 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	1
 
/* 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.)  */
#ifdef	__STDC__
#define	UCHAR_MAX	255U
#else
#define	UCHAR_MAX	255
#endif
 
/* Minimum and maximum values a `char' can hold.  */
#ifdef __CHAR_UNSIGNED__
#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.)  */
#ifdef	__STDC__
#define	UINT_MAX	4294967295U
#else
#define	UINT_MAX	4294967295
#endif
 
/* 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	/* GCC 2.  */
 
 
#ifndef RAND_MAX
/* The largest number rand will return (same as INT_MAX).  */
#define RAND_MAX	INT_MAX
#endif
 
#ifdef __SVR4_I386_ABI_L1__
 
#define NL_ARGMAX	9
#define NL_LANGMAX	14
#define NL_MSGMAX	32767
#define NL_NMAX		1
#define NL_SETMAX	255
#define NL_TEXTMAX	255
#define NZERO		20
 
#define WORD_BIT	32
#define LONG_BIT	32
 
#define FCHR_MAX	1048576
 
#endif /* __SVR4_I386_ABI_L1__ */
 
#endif	/* limits.h  */
 

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