| /* 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> |
| */ |
| |
| #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 |
| |
| |
| #if __GNUC__ >= 2 |
| |
| /* Get the compiler's limits.h, which defines all the ANSI constants. */ |
| #ifndef _LIBC_LIMITS_H_ |
| #define _LIBC_LIMITS_H_ /* This tells it not to look for another. */ |
| #endif |
| #ifndef _GCC_LIMITS_H_ /* This is what GCC's file defines. */ |
| #include_next <limits.h> |
| #endif |
| |
| #else /* Not GCC 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 |
| |
| /* 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 /* limits.h */ |
| #endif /* GCC 2. */ |
