231 lines
6.8 KiB
C
231 lines
6.8 KiB
C
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/*
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* Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
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*
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* This software may be freely used, copied, modified, and distributed
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* provided that the above copyright notice is preserved in all copies of the
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* software.
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*/
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#ifndef _host_LOADED
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#define _host_LOADED 1
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#ifndef SEEK_SET
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# define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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# define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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# define SEEK_END 2
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#endif
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/* The following for the benefit of compiling on SunOS */
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#ifndef offsetof
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# define offsetof(T, member) ((char *)&(((T *)0)->member) - (char *)0)
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#endif
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/* If under Cygwin, provide backwards compatibility with older
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Cygwin compilers that don't define the current cpp define. */
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#ifdef __CYGWIN32__
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#ifndef __CYGWIN__
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#define __CYGWIN__
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#endif
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#endif
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#ifdef unix /* A temporary sop to older compilers */
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# ifndef __unix /* (good for long-term portability?) */
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# define __unix 1
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# endif
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#endif
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#ifdef __unix
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/* Generic unix -- hopefully a split into other variants will not be */
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/* needed. However, beware the 'bsd' test above and safe_toupper etc. */
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/* which cope with backwards (pre-posix/X/open) unix compatility. */
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# define COMPILING_ON_UNIX 1
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#endif
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#if defined(_WIN32)
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# define COMPILING_ON_WIN32 1
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# if !defined(__CYGWIN32__)
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# define COMPILING_ON_WINDOWS 1
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# endif
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#endif
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#if defined(_CONSOLE)
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# define COMPILING_ON_WINDOWS_CONSOLE 1
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# define COMPILING_ON_WINDOWS 1
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#endif
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#ifdef _MSC_VER
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# define COMPILING_ON_MSDOS 1
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# define COMPILING_ON_WINDOWS 1
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# if defined(__cplusplus)
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# define IMPLEMENT_BOOL_AS_INT 1 /* VC++ doesn't have 'bool' (yet) */
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# endif
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#endif
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/* The '(defined(__sparc) && defined(P_tmpdir) */
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/* && !defined(__svr4__))' is to detect gcc on SunOS. */
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/* C++ compilers don't have to define __STDC__ */
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#if (defined(__sparc) && defined(P_tmpdir))
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# if defined(__svr4__)
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# define COMPILING_ON_SOLARIS
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# else
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# define COMPILING_ON_SUNOS
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# endif
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#endif
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#ifdef __hppa
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# define COMPILING_ON_HPUX
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#endif
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/*
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* The following typedefs may need alteration for obscure host machines.
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*/
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#if defined(__alpha) && defined(__osf__) /* =========================== */
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/* Under OSF the alpha has 64-bit pointers and 64-bit longs. */
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typedef int int32;
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typedef unsigned int unsigned32;
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/* IPtr and UPtr are 'ints of same size as pointer'. Do not use in */
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/* new code. Currently only used within 'ncc'. */
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typedef long int IPtr;
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typedef unsigned long int UPtr;
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#else /* all hosts except alpha under OSF ============================= */
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typedef long int int32;
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typedef unsigned long int unsigned32;
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/* IPtr and UPtr are 'ints of same size as pointer'. Do not use in */
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/* new code. Currently only used within 'ncc'. */
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#define IPtr int32
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#define UPtr unsigned32
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#endif /* ============================================================= */
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typedef short int int16;
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typedef unsigned short int unsigned16;
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typedef signed char int8;
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typedef unsigned char unsigned8;
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/* The following code defines the 'bool' type to be 'int' under C */
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/* and real 'bool' under C++. It also avoids warnings such as */
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/* C++ keyword 'bool' used as identifier. It can be overridden by */
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/* defining IMPLEMENT_BOOL_AS_ENUM or IMPLEMENT_BOOL_AS_INT. */
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#undef _bool
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#ifdef IMPLEMENT_BOOL_AS_ENUM
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enum _bool { _false, _true };
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# define _bool enum _bool
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#elif defined(IMPLEMENT_BOOL_AS_INT) || !defined(__cplusplus)
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# define _bool int
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# define _false 0
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# define _true 1
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#endif
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#ifdef _bool
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# if defined(_MFC_VER) || defined(__CC_NORCROFT) /* When using MS Visual C/C++ v4.2 */
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# define bool _bool /* avoids "'bool' is reserved word" warning */
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# else
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typedef _bool bool;
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# endif
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# define true _true
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# define false _false
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#endif
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#define YES true
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#define NO false
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#undef TRUE /* some OSF headers define as 1 */
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#define TRUE true
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#undef FALSE /* some OSF headers define as 1 */
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#define FALSE false
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/* 'uint' conflicts with some Unixen sys/types.h, so we now don't define it */
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typedef unsigned8 uint8;
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typedef unsigned16 uint16;
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typedef unsigned32 uint32;
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typedef unsigned Uint;
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typedef unsigned8 Uint8;
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typedef unsigned16 Uint16;
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typedef unsigned32 Uint32;
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#ifdef ALPHA_TASO_SHORT_ON_OSF /* was __alpha && __osf. */
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/* The following sets ArgvType for 64-bit pointers so that */
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/* DEC Unix (OSF) cc can be used with the -xtaso_short compiler option */
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/* to force pointers to be 32-bit. Not currently used since most/all */
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/* ARM tools accept 32 or 64 bit pointers transparently. See IPtr. */
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#pragma pointer_size (save)
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#pragma pointer_size (long)
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typedef char *ArgvType;
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#pragma pointer_size (restore)
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#else
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typedef char *ArgvType;
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#endif
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/*
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* Rotate macros
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*/
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#define ROL_32(val, n) \
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((((unsigned32)(val) << (n)) | ((unsigned32)(val) >> (32-(n)))) & 0xFFFFFFFFL)
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#define ROR_32(val, n) \
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((((unsigned32)(val) >> (n)) | ((unsigned32)(val) << (32-(n)))) & 0xFFFFFFFFL)
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#ifdef COMPILING_ON_UNIX
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# define FOPEN_WB "w"
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# define FOPEN_RB "r"
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# define FOPEN_RWB "r+"
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# ifndef __STDC__ /* caveat RISCiX... */
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# define remove(file) unlink(file) /* a horrid hack, but probably best? */
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# endif
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#else
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# define FOPEN_WB "wb"
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# define FOPEN_RB "rb"
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# define FOPEN_RWB "rb+"
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#endif
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#ifndef FILENAME_MAX
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# define FILENAME_MAX 256
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#endif
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#if (!defined(__STDC__) && !defined(__cplusplus) && !defined(_MSC_VER)) || \
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defined(COMPILING_ON_SUNOS)
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/* Use bcopy rather than memmove, as memmove is not available. */
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/* There does not seem to be a header for bcopy. */
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void bcopy(const char *src, char *dst, int length);
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# define memmove(d,s,l) bcopy(s,d,l)
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/* BSD/SUN don't have strtoul(), but then strtol() doesn't barf on */
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/* overflow as required by ANSI... This bodge is horrid. */
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# define strtoul(s, ptr, base) strtol(s, ptr, base)
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/* strtod is present in the C-library but is not in stdlib.h */
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extern double strtod(const char *str, char **ptr);
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#endif
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/* For systems that do not define EXIT_SUCCESS and EXIT_FAILURE */
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#ifndef EXIT_SUCCESS
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# define EXIT_SUCCESS 0
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#endif
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#ifndef EXIT_FAILURE
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# define EXIT_FAILURE 1
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#endif
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#ifndef IGNORE
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#define IGNORE(x) (x = x) /* Silence compiler warnings for unused arguments */
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#endif
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/* Define endian-ness of host */
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#if defined(__acorn) || defined(__mvs) || defined(_WIN32) || \
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(defined(__alpha) && defined(__osf__))
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# define HOST_ENDIAN_LITTLE
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#elif defined(__sparc) || defined(macintosh)
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# define HOST_ENDIAN_BIG
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#else
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# define HOST_ENDIAN_UNKNOWN
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#endif
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#endif
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/* end of host.h */
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