| /* Copyright (C) 1991, 1992, 1996, 1997, 1998, 1999, 2000, 2005 |
| 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* |
| * 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> |
| #endif |
| |
| /* 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. */ |
| #if defined __USE_ISOC99 && defined __GNUC__ |
| # ifndef LLONG_MIN |
| # define LLONG_MIN (-LLONG_MAX-1) |
| # endif |
| # ifndef LLONG_MAX |
| # define LLONG_MAX __LONG_LONG_MAX__ |
| # endif |
| # ifndef ULLONG_MAX |
| # define ULLONG_MAX (LLONG_MAX * 2ULL + 1) |
| # 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 |
