/* 

 * limits.h

 * This file has no copyright assigned and is placed in the Public Domain.

 * This file is a part of the mingw-runtime package.

 * No warranty is given; refer to the file DISCLAIMER within the package.

 *

 * Functions for manipulating paths and directories (included from io.h)

 * plus functions for setting the current drive.

 *

 * Defines constants for the sizes of integral types.

 *

 * NOTE: GCC should supply a version of this header and it should be safe to

 *       use that version instead of this one (maybe safer).

 *

 */

#ifndef _LIMITS_H_

#define _LIMITS_H_

/* All the headers include this file. */

#include <_mingw.h>

/*

 * File system limits

 *

 * TODO: NAME_MAX and OPEN_MAX are file system limits or not? Are they the

 *       same as FILENAME_MAX and FOPEN_MAX from stdio.h?

 * NOTE: Apparently the actual size of PATH_MAX is 260, but a space is

 *       required for the NUL. TODO: Test?

 */

#define PATH_MAX	259

/*

 * Characteristics of the char data type.

 *

 * TODO: Is MB_LEN_MAX correct?

 */

#define CHAR_BIT	8

#define MB_LEN_MAX	2

#define SCHAR_MIN	(-128)

#define SCHAR_MAX	127

#define UCHAR_MAX	255

/* TODO: Is this safe? I think it might just be testing the preprocessor,

 *       not the compiler itself... */

#if	('\x80' < 0)

#define CHAR_MIN	SCHAR_MIN

#define CHAR_MAX	SCHAR_MAX

#else

#define CHAR_MIN	0

#define CHAR_MAX	UCHAR_MAX

#endif

/*

 * Maximum and minimum values for ints.

 */

#define INT_MAX		2147483647

#define INT_MIN		(-INT_MAX-1)

#define UINT_MAX	0xffffffff

/*

 * Maximum and minimum values for shorts.

 */

#define SHRT_MAX	32767

#define SHRT_MIN	(-SHRT_MAX-1)

#define USHRT_MAX	0xffff

/*

 * Maximum and minimum values for longs and unsigned longs.

 *

 * TODO: This is not correct for Alphas, which have 64 bit longs.

 */

#define LONG_MAX	2147483647L

#define LONG_MIN	(-LONG_MAX-1)

#define ULONG_MAX	0xffffffffUL

#ifndef __STRICT_ANSI__

/* POSIX wants this.  */ 

#define SSIZE_MAX LONG_MAX

#endif

#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) \

     || !defined(__STRICT_ANSI__)

/* ISO C9x macro names */

#define LLONG_MAX 9223372036854775807LL

#define LLONG_MIN (-LLONG_MAX - 1)

#define ULLONG_MAX (2ULL * LLONG_MAX + 1)

#endif

/*

 * The GNU C compiler also allows 'long long int'

 */

#if !defined(__STRICT_ANSI__) && defined(__GNUC__)

#define LONG_LONG_MAX	9223372036854775807LL

#define LONG_LONG_MIN	(-LONG_LONG_MAX-1)

#define ULONG_LONG_MAX	(2ULL * LONG_LONG_MAX + 1)

/* MSVC compatibility */

#define _I64_MIN LONG_LONG_MIN

#define _I64_MAX LONG_LONG_MAX

#define _UI64_MAX ULONG_LONG_MAX

#endif /* Not Strict ANSI and GNU C compiler */

#endif /* not _LIMITS_H_ */