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- /* Copyright (C) 1991, 1992, 1996, 1997, 1998 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
- /*
- * ISO C Standard: 4.14/2.2.4.2 Limits of integral types <limits.h>
- */
- #ifndef _LIBC_LIMITS_H_
- #define _LIBC_LIMITS_H_ 1
- #include <features.h>
- #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
- /* 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 6
- /* 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
- /* 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.) */
- # ifdef __STDC__
- # define UINT_MAX 4294967295U
- # else
- # define UINT_MAX 4294967295
- # endif
- /* Minimum and maximum values a `signed long int' can hold. */
- # ifdef __alpha__
- # 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.) */
- # ifdef __alpha__
- # define ULONG_MAX 18446744073709551615UL
- # else
- # ifdef __STDC__
- # define ULONG_MAX 4294967295UL
- # else
- # define ULONG_MAX 4294967295L
- # endif
- # endif
- # endif /* limits.h */
- #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>
- #endif
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