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/*

 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.

 *

 * This software may be freely used, copied, modified, and distributed

 * provided that the above copyright notice is preserved in all copies of the

 * software.

 */

#ifndef _host_LOADED

#define _host_LOADED 1

#include <stdio.h>

#include <stddef.h>

#include <stdlib.h>

#ifndef SEEK_SET

#  define SEEK_SET  0

#endif

#ifndef SEEK_CUR

#  define SEEK_CUR  1

#endif

#ifndef SEEK_END

#  define SEEK_END  2

#endif

/* The following for the benefit of compiling on SunOS */

#ifndef offsetof

#  define offsetof(T, member)  ((char *)&(((T *)0)->member) - (char *)0)

#endif

/* If under Cygwin, provide backwards compatibility with older

   Cygwin compilers that don't define the current cpp define. */

#ifdef __CYGWIN32__

#ifndef __CYGWIN__

#define __CYGWIN__

#endif

#endif

/* A temporary sop to older compilers */

#if defined (__NetBSD__) || defined (unix)

#  ifndef __unix              /* (good for long-term portability?)  */

#    define __unix    1

#  endif

#endif

#if defined(__unix)

/* Generic unix -- hopefully a split into other variants will not be    */

/* needed.  However, beware the 'bsd' test above and safe_toupper etc.  */

/* which cope with backwards (pre-posix/X/open) unix compatility.       */

#  define COMPILING_ON_UNIX     1

#endif

#if defined(_WIN32)

#  define COMPILING_ON_WIN32    1

#  if !defined(__CYGWIN32__)

#    define COMPILING_ON_WINDOWS  1

#  endif

#endif

#if defined(_CONSOLE)

#  define COMPILING_ON_WINDOWS_CONSOLE 1

#  define COMPILING_ON_WINDOWS 1

#endif

/* The '(defined(__sparc) && defined(P_tmpdir)                     */

/* && !defined(__svr4__))' is to detect gcc on SunOS.              */

/* C++ compilers don't have to define __STDC__                     */

#if (defined(__sparc) && defined(P_tmpdir))

#  if defined(__svr4__)

#    define COMPILING_ON_SOLARIS

#  else

#    define COMPILING_ON_SUNOS

#  endif

#endif

#ifdef __hppa

#  define COMPILING_ON_HPUX

#endif

/*

 * The following typedefs may need alteration for obscure host machines.

 */

#if defined(__alpha) && defined(__osf__) /* =========================== */

/* Under OSF the alpha has 64-bit pointers and 64-bit longs.            */

typedef                int   int32;

typedef unsigned       int   unsigned32;

/* IPtr and UPtr are 'ints of same size as pointer'.  Do not use in     */

/* new code.  Currently only used within 'ncc'.                         */

typedef          long  int   IPtr;

typedef unsigned long  int   UPtr;

#else /* all hosts except alpha under OSF ============================= */

typedef          long  int   int32;

typedef unsigned long  int   unsigned32;

/* IPtr and UPtr are 'ints of same size as pointer'.  Do not use in     */

/* new code.  Currently only used within 'ncc'.                         */

#define IPtr int32

#define UPtr unsigned32

#endif /* ============================================================= */

typedef          short int   int16;

typedef unsigned short int   unsigned16;

typedef   signed       char  int8;

typedef unsigned       char  unsigned8;

/* The following code defines the 'bool' type to be 'int' under C       */

/* and real 'bool' under C++.  It also avoids warnings such as          */

/* C++ keyword 'bool' used as identifier.  It can be overridden by      */

/* defining IMPLEMENT_BOOL_AS_ENUM or IMPLEMENT_BOOL_AS_INT.            */

#undef _bool

#ifdef IMPLEMENT_BOOL_AS_ENUM

   enum _bool { _false, _true };

#  define _bool enum _bool

#elif defined(IMPLEMENT_BOOL_AS_INT) || !defined(__cplusplus)

#  define _bool int

#  define _false 0

#  define _true 1

#endif

#ifdef _bool

#  if defined(_MFC_VER) || defined(__CC_NORCROFT) /* When using MS Visual C/C++ v4.2 */

#    define bool _bool /* avoids "'bool' is reserved word" warning      */

#  else

     typedef _bool bool;

#  endif

#  define true _true

#  define false _false

#endif

#define YES   true

#define NO    false

#undef TRUE             /* some OSF headers define as 1                 */

#define TRUE  true

#undef FALSE            /* some OSF headers define as 1                 */

#define FALSE false

/* 'uint' conflicts with some Unixen sys/types.h, so we now don't define it */

typedef unsigned8  uint8;

typedef unsigned16 uint16;

typedef unsigned32 uint32;

typedef unsigned   Uint;

typedef unsigned8  Uint8;

typedef unsigned16 Uint16;

typedef unsigned32 Uint32;

#ifdef ALPHA_TASO_SHORT_ON_OSF /* was __alpha && __osf.                 */

/* The following sets ArgvType for 64-bit pointers so that              */

/* DEC Unix (OSF) cc can be used with the -xtaso_short compiler option  */

/* to force pointers to be 32-bit.  Not currently used since most/all   */

/* ARM tools accept 32 or 64 bit pointers transparently.  See IPtr.     */

#pragma pointer_size (save)

#pragma pointer_size (long)

typedef char *ArgvType;

#pragma pointer_size (restore)

#else

typedef char *ArgvType;

#endif

/*

 * Rotate macros

 */

#define ROL_32(val, n) \

((((unsigned32)(val) << (n)) | ((unsigned32)(val) >> (32-(n)))) & 0xFFFFFFFFL)

#define ROR_32(val, n) \

((((unsigned32)(val) >> (n)) | ((unsigned32)(val) << (32-(n)))) & 0xFFFFFFFFL)

#ifdef COMPILING_ON_UNIX

#  define FOPEN_WB     "w"

#  define FOPEN_RB     "r"

#  define FOPEN_RWB    "r+"

#  ifndef __STDC__                     /* caveat RISCiX... */

#    define remove(file) unlink(file)  /* a horrid hack, but probably best? */

#  endif

#else

#  define FOPEN_WB     "wb"

#  define FOPEN_RB     "rb"

#  define FOPEN_RWB    "rb+"

#endif

#ifndef FILENAME_MAX

#  define FILENAME_MAX 256

#endif

#if (!defined(__STDC__) && !defined(__cplusplus)) || defined(COMPILING_ON_SUNOS)

/* Use bcopy rather than memmove, as memmove is not available.     */

/* There does not seem to be a header for bcopy.                   */

void bcopy(const char *src, char *dst, int length);

#  define memmove(d,s,l) bcopy(s,d,l)

/* BSD/SUN don't have strtoul(), but then strtol() doesn't barf on */

/* overflow as required by ANSI... This bodge is horrid.           */

#  define strtoul(s, ptr, base) strtol(s, ptr, base)

/* strtod is present in the C-library but is not in stdlib.h       */

extern double strtod(const char *str, char **ptr);

#endif

/* For systems that do not define EXIT_SUCCESS and EXIT_FAILURE */

#ifndef EXIT_SUCCESS

#  define EXIT_SUCCESS           0

#endif

#ifndef EXIT_FAILURE

#  define EXIT_FAILURE           1

#endif

#ifndef IGNORE

#define IGNORE(x) (x = x)  /* Silence compiler warnings for unused arguments */

#endif

/* Define endian-ness of host */

#if defined(__acorn) || defined(__mvs) || defined(_WIN32) || \

  (defined(__alpha) && defined(__osf__))

#  define HOST_ENDIAN_LITTLE

#elif defined(__sparc) || defined(macintosh)

#  define HOST_ENDIAN_BIG

#else

#  define HOST_ENDIAN_UNKNOWN

#endif

#endif

/* end of host.h */