minix/usr.bin/nvi/build/port.h
Lionel Sambuc 3e1db26a5a Termcap update, replacing elvis by nvi.
Removing elvis, importing nvi, ctags, updating libedit.

Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
2013-01-24 07:44:38 +01:00

201 lines
3.7 KiB
C

/* Id: port.h.in,v 8.15 2001/01/01 20:26:48 skimo Exp (Berkeley) Date: 2001/01/01 20:26:48 */
/*
* 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
#ifndef USE_DB1
/*
* 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
#endif /* USE_DB1 */
/*
* 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
#ifndef HAVE_MEMCPY
#define memcpy memmove
#endif
#ifdef NEED_FPRINTF_PROTO
extern int fprintf( FILE *, const char *, ... );
#endif
#ifdef HAVE_PTHREAD
#define VI_DB_THREAD DB_THREAD
#else
#define VI_DB_THREAD 0
#endif