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/* $OpenBSD: port.h,v 1.3 1997/07/27 22:27:54 downsj Exp $ */
/* @(#)port.h.in 8.13 (Berkeley) 6/12/96 */
/*
* Declare the basic types, if they aren't already declared. Named and
* some system's db.h files protect them with __BIT_TYPES_DEFINED__.
*/
#ifndef __BIT_TYPES_DEFINED__
#define __BIT_TYPES_DEFINED__
#endif
/*
* XXX
* Handle function prototypes. This steps on name space that vi doesn't
* control, but all of the other solutions are worse.
*/
#undef __P
#if defined(__STDC__) || defined(__cplusplus)
#define __P(protos) protos /* ANSI C prototypes */
#else
#define __P(protos) () /* K&R C preprocessor */
#endif
/*
* XXX
* Some versions of System V changed the number of arguments to gettimeofday
* without changing the name.
*/
#ifdef HAVE_BROKEN_GETTIMEOFDAY
#define gettimeofday(tv, tz) gettimeofday(tv)
#endif
/*
* XXX
* If we don't have mmap, we fake it with read and write, but we'll
* still need the header information.
*/
#ifndef HAVE_SYS_MMAN_H
#define MAP_SHARED 1 /* share changes */
#define MAP_PRIVATE 2 /* changes are private */
#define PROT_READ 0x1 /* pages can be read */
#define PROT_WRITE 0x2 /* pages can be written */
#define PROT_EXEC 0x4 /* pages can be executed */
#endif
/*
* XXX
* POSIX 1003.1 names for file descriptors.
*/
#ifndef STDERR_FILENO
#define STDIN_FILENO 0 /* ANSI C #defines */
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#endif
/*
* XXX
* POSIX 1003.1 names for seek settings.
*/
#ifndef SEEK_END
#define SEEK_SET 0 /* POSIX 1003.1 seek values */
#define SEEK_CUR 1
#define SEEK_END 2
#endif
/*
* Hack _POSIX_VDISABLE to \377 since Ultrix doesn't honor _POSIX_VDISABLE
* (treats it as ^@). The symptom is that the ^@ keystroke immediately
* drops core.
*/
#ifdef HAVE_BROKEN_VDISABLE
#undef _POSIX_VDISABLE
#define _POSIX_VDISABLE ((unsigned char)'\377')
#endif
/*
* XXX
* POSIX 1003.1 tty disabling character.
*/
#ifndef _POSIX_VDISABLE
#define _POSIX_VDISABLE 0 /* Some systems used 0. */
#endif
/*
* XXX
* 4.4BSD extension to only set the software termios bits.
*/
#ifndef TCSASOFT /* 4.4BSD extension. */
#define TCSASOFT 0
#endif
/*
* XXX
* POSIX 1003.1 maximum path length.
*/
#ifndef MAXPATHLEN
#ifdef PATH_MAX
#define MAXPATHLEN PATH_MAX
#else
#define MAXPATHLEN 1024
#endif
#endif
/*
* XXX
* MIN, MAX, historically in <sys/param.h>
*/
#ifndef MAX
#define MAX(_a,_b) ((_a)<(_b)?(_b):(_a))
#endif
#ifndef MIN
#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
#endif
/*
* XXX
* "DB" isn't always portable, and we want the private information.
*/
#define DB L__DB
#undef pgno_t /* IRIX has its own version. */
#define pgno_t L__db_pgno_t
/*
* XXX
* 4.4BSD extension to provide lock values in the open(2) call.
*/
#ifndef O_EXLOCK
#define O_EXLOCK 0
#endif
#ifndef O_SHLOCK
#define O_SHLOCK 0
#endif
/*
* XXX
* POSIX 1003.1 bad file format errno.
*/
#ifndef EFTYPE
#define EFTYPE EINVAL
#endif
/*
* XXX
* POSIX 1003.2 RE length limit.
*/
#ifndef _POSIX2_RE_DUP_MAX
#define _POSIX2_RE_DUP_MAX 255
#endif
/*
* XXX
* 4.4BSD extension to determine if a program dropped core from the exit
* status.
*/
#ifndef WCOREDUMP
#define WCOREDUMP(a) 0
#endif
/*
* XXX
* Endian-ness of the machine.
*/
#if !defined(LITTLE_ENDIAN)
#define LITTLE_ENDIAN 1234
#endif
#if !defined(BIG_ENDIAN)
#define BIG_ENDIAN 4321
#endif
#if !defined(BYTE_ORDER)
#if WORDS_BIGENDIAN == 1
#define BYTE_ORDER BIG_ENDIAN
#else
#define BYTE_ORDER LITTLE_ENDIAN
#endif
#endif
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