source: svn/newcon3bcm2_21bu/toolchain/mipsel-linux-uclibc/include/limits.h @ 76

/* Copyright (C) 1991, 92, 96, 97, 98, 99, 2000 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 Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 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

   Lesser General Public License for more details.



   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */



/*

 *      ISO C99 Standard: 7.10/5.2.4.2.1 Sizes of integer types <limits.h>

 */



#ifndef _LIBC_LIMITS_H_

#define _LIBC_LIMITS_H_ 1



#include <features.h>





/* Maximum length of any multibyte character in any locale.

   We define this value here since the gcc header does not define

   the correct value.  */

#define MB_LEN_MAX      16





/* If we are not using GNU CC we have to define all the symbols ourself.

   Otherwise use gcc's definitions (see below).  */

#if !defined __GNUC__ || __GNUC__ < 2



/* We only protect from multiple inclusion here, because all the other

   #include's protect themselves, and in GCC 2 we may #include_next through

   multiple copies of this file before we get to GCC's.  */

# ifndef _LIMITS_H

#  define _LIMITS_H     1



#include <bits/wordsize.h>



/* 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



/* 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     255



/* 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.)  */

#  define UINT_MAX      4294967295U



/* Minimum and maximum values a `signed long int' can hold.  */

#  if __WORDSIZE == 64

#   define LONG_MAX     9223372036854775807L

#  else

#   define LONG_MAX     2147483647L

#  endif

#  define LONG_MIN      (-LONG_MAX - 1L)



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

#  if __WORDSIZE == 64

#   define ULONG_MAX    18446744073709551615UL

#  else

#   define ULONG_MAX    4294967295UL

#  endif



#  ifdef __USE_ISOC99



/* Minimum and maximum values a `signed long long int' can hold.  */

#   define LLONG_MAX    9223372036854775807LL

#   define LLONG_MIN    (-LLONG_MAX - 1LL)



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

#   define ULLONG_MAX   18446744073709551615ULL



#  endif /* ISO C99 */



# endif /* limits.h  */

#endif  /* GCC 2.  */



#endif  /* !_LIBC_LIMITS_H_ */



 /* Get the compiler's limits.h, which defines almost all the ISO constants.



    We put this #include_next outside the double inclusion check because

    it should be possible to include this file more than once and still get

    the definitions from gcc's header.  */

#if defined __GNUC__ && !defined _GCC_LIMITS_H_

/* `_GCC_LIMITS_H_' is what GCC's file defines.  */

# include_next <limits.h>



/* The <limits.h> files in some gcc versions don't define LLONG_MIN,

   LLONG_MAX, and ULLONG_MAX.  Instead only the values gcc defined for

   ages are available.  */

# ifdef __USE_ISOC99

#  ifndef LLONG_MIN

#   define LLONG_MIN    LONG_LONG_MIN

#  endif

#  ifndef LLONG_MAX

#   define LLONG_MAX    LONG_LONG_MAX

#  endif

#  ifndef ULLONG_MAX

#   define ULLONG_MAX   ULONG_LONG_MAX

#  endif

# endif

#endif



#ifdef  __USE_POSIX

/* POSIX adds things to <limits.h>.  */

# include <bits/posix1_lim.h>

#endif



#ifdef  __USE_POSIX2

# include <bits/posix2_lim.h>

#endif



#ifdef  __USE_XOPEN

# include <bits/xopen_lim.h>

#endif