megactl/src/schily/utypes.h

340 lines
7.1 KiB
C

/* @(#)utypes.h 1.11 03/06/15 Copyright 1997 J. Schilling */
/*
* Definitions for some user defined types
*
* Copyright (c) 1997 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _UTYPES_H
#define _UTYPES_H
#ifndef _MCONFIG_H
#include <mconfig.h>
#endif
/*
* Include limits.h for CHAR_BIT
*/
#ifdef HAVE_LIMITS_H
#ifndef _INCL_LIMITS_H
#include <limits.h>
#define _INCL_LIMITS_H
#endif
#endif
#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif
/*
* These macros may not work on all platforms but as we depend
* on two's complement in many places, they do not reduce portability.
*/
#define TYPE_ISSIGNED(t) (((t)-1) < ((t)0))
#define TYPE_MSBVAL(t) ((t)(~((t)0) << (sizeof (t)*CHAR_BIT - 1)))
#define TYPE_MINVAL(t) (TYPE_ISSIGNED(t) \
? TYPE_MSBVAL(t) \
: ((t)0))
#define TYPE_MAXVAL(t) ((t)(~((t)0) - TYPE_MINVAL(t)))
/*
* Let us include system defined types too.
*/
#ifndef _INCL_SYS_TYPES_H
#include <sys/types.h>
#define _INCL_SYS_TYPES_H
#endif
#ifdef __CHAR_UNSIGNED__ /* GNU GCC define (dynamic) */
#ifndef CHAR_IS_UNSIGNED
#define CHAR_IS_UNSIGNED /* Sing Schily define (static) */
#endif
#endif
/*
* Several unsigned cardinal types
*/
typedef unsigned long Ulong;
typedef unsigned int Uint;
typedef unsigned short Ushort;
typedef unsigned char Uchar;
/*
* This is a definition for a compiler dependant 64 bit type.
* It currently is silently a long if the compiler does not
* support it. Check if this is the right way.
*/
#ifndef NO_LONGLONG
# if defined(HAVE_LONGLONG)
# define USE_LONGLONG
# endif
#endif
#ifdef USE_LONGLONG
typedef long long Llong;
typedef unsigned long long Ullong;
#define SIZEOF_LLONG SIZEOF_LONG_LONG
#define SIZEOF_ULLONG SIZEOF_UNSIGNED_LONG_LONG
#else
typedef long Llong;
typedef unsigned long Ullong;
#define SIZEOF_LLONG SIZEOF_LONG
#define SIZEOF_ULLONG SIZEOF_UNSIGNED_LONG
#endif
/*
* The IBM AIX C-compiler seems to be the only compiler on the world
* which does not allow to use unsigned char bit fields as a hint
* for packed bit fields. Define a pesical type to avoid warnings.
* The packed attribute is honored wit unsigned int in this case too.
*/
#if defined(_AIX) && !defined(__GNUC__)
typedef unsigned int Ucbit;
#else
typedef unsigned char Ucbit;
#endif
/*
* Start inttypes.h emulation.
*
* Thanks to Solaris 2.4 and even recent 1999 Linux versions, we
* cannot use the official UNIX-98 names here. Old Solaris versions
* define parts of the types in some exotic include files.
* Linux even defines incompatible types in <sys/types.h>.
*/
#ifdef HAVE_INTTYPES_H
# ifndef _INCL_INTTYPES_H
# include <inttypes.h>
# define _INCL_INTTYPES_H
# endif
# define HAVE_INT64_T
# define HAVE_UINT64_T
#define Int8_t int8_t
#define Int16_t int16_t
#define Int32_t int32_t
#define Int64_t int64_t
#define Intmax_t intmax_t
#define UInt8_t uint8_t
#define UInt16_t uint16_t
#define UInt32_t uint32_t
#define UInt64_t uint64_t
#define UIntmax_t uintmax_t
#define Intptr_t intptr_t
#define UIntptr_t uintptr_t
#else /* !HAVE_INTTYPES_H */
#if SIZEOF_CHAR != 1 || SIZEOF_UNSIGNED_CHAR != 1
/*
* #error will not work for all compilers (e.g. sunos4)
* The following line will abort compilation on all compilers
* if the above is true. And that's what we want.
*/
error Sizeof char is not equal 1
#endif
#if defined(__STDC__) || defined(CHAR_IS_UNSIGNED)
typedef signed char Int8_t;
#else
typedef char Int8_t;
#endif
#if SIZEOF_SHORT_INT == 2
typedef short Int16_t;
#else
error No int16_t found
#endif
#if SIZEOF_INT == 4
typedef int Int32_t;
#else
error No int32_t found
#endif
#if SIZEOF_LONG_INT == 8
typedef long Int64_t;
# define HAVE_INT64_T
#else
#if SIZEOF_LONG_LONG == 8
typedef long long Int64_t;
# define HAVE_INT64_T
#else
/* error No int64_t found*/
#endif
#endif
#if SIZEOF_CHAR_P == SIZEOF_INT
typedef int Intptr_t;
#else
#if SIZEOF_CHAR_P == SIZEOF_LONG_INT
typedef long Intptr_t;
#else
error No intptr_t found
#endif
#endif
typedef unsigned char UInt8_t;
#if SIZEOF_UNSIGNED_SHORT_INT == 2
typedef unsigned short UInt16_t;
#else
error No uint16_t found
#endif
#if SIZEOF_UNSIGNED_INT == 4
typedef unsigned int UInt32_t;
#else
error No int32_t found
#endif
#if SIZEOF_UNSIGNED_LONG_INT == 8
typedef unsigned long UInt64_t;
# define HAVE_UINT64_T
#else
#if SIZEOF_UNSIGNED_LONG_LONG == 8
typedef unsigned long long UInt64_t;
# define HAVE_UINT64_T
#else
/* error No uint64_t found*/
#endif
#endif
#define Intmax_t Llong
#define UIntmax_t Ullong
#if SIZEOF_CHAR_P == SIZEOF_UNSIGNED_INT
typedef unsigned int UIntptr_t;
#else
#if SIZEOF_CHAR_P == SIZEOF_UNSIGNED_LONG_INT
typedef unsigned long UIntptr_t;
#else
error No uintptr_t found
#endif
#endif
#endif /* HAVE_INTTYPES_H */
#ifndef CHAR_MIN
#define CHAR_MIN TYPE_MINVAL(char)
#endif
#ifndef CHAR_MAX
#define CHAR_MAX TYPE_MAXVAL(char)
#endif
#ifndef UCHAR_MAX
#define UCHAR_MAX TYPE_MAXVAL(unsigned char)
#endif
#ifndef SHRT_MIN
#define SHRT_MIN TYPE_MINVAL(short)
#endif
#ifndef SHRT_MAX
#define SHRT_MAX TYPE_MAXVAL(short)
#endif
#ifndef USHRT_MAX
#define USHRT_MAX TYPE_MAXVAL(unsigned short)
#endif
#ifndef INT_MIN
#define INT_MIN TYPE_MINVAL(int)
#endif
#ifndef INT_MAX
#define INT_MAX TYPE_MAXVAL(int)
#endif
#ifndef UINT_MAX
#define UINT_MAX TYPE_MAXVAL(unsigned int)
#endif
#ifndef LONG_MIN
#define LONG_MIN TYPE_MINVAL(long)
#endif
#ifndef LONG_MAX
#define LONG_MAX TYPE_MAXVAL(long)
#endif
#ifndef ULONG_MAX
#define ULONG_MAX TYPE_MAXVAL(unsigned long)
#endif
#ifndef INT8_MIN
#define INT8_MIN TYPE_MINVAL(Int8_t)
#endif
#ifndef INT8_MAX
#define INT8_MAX TYPE_MAXVAL(Int8_t)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX TYPE_MAXVAL(UInt8_t)
#endif
#ifndef INT16_MIN
#define INT16_MIN TYPE_MINVAL(Int16_t)
#endif
#ifndef INT16_MAX
#define INT16_MAX TYPE_MAXVAL(Int16_t)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX TYPE_MAXVAL(UInt16_t)
#endif
#ifndef INT32_MIN
#define INT32_MIN TYPE_MINVAL(Int32_t)
#endif
#ifndef INT32_MAX
#define INT32_MAX TYPE_MAXVAL(Int32_t)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX TYPE_MAXVAL(UInt32_t)
#endif
#ifdef HAVE_INT64_T
#ifndef INT64_MIN
#define INT64_MIN TYPE_MINVAL(Int64_t)
#endif
#ifndef INT64_MAX
#define INT64_MAX TYPE_MAXVAL(Int64_t)
#endif
#endif
#ifdef HAVE_UINT64_T
#ifndef UINT64_MAX
#define UINT64_MAX TYPE_MAXVAL(UInt64_t)
#endif
#endif
#ifndef INTMAX_MIN
#define INTMAX_MIN TYPE_MINVAL(Intmax_t)
#endif
#ifndef INTMAX_MAX
#define INTMAX_MAX TYPE_MAXVAL(Intmax_t)
#endif
#ifndef UINTMAX_MAX
#define UINTMAX_MAX TYPE_MAXVAL(UIntmax_t)
#endif
#endif /* _UTYPES_H */