4.4BSD/usr/src/contrib/nvi/nvi/PORT/include/compat.h
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)compat.h 8.1 (Berkeley) 6/2/93
*/
#ifndef _COMPAT_H_
#define _COMPAT_H_
/*
* If your system doesn't typedef u_long, u_short, or u_char, change
* the 0 to a 1.
*/
#if 0
typedef unsigned long u_long;
typedef unsigned short u_short;
typedef unsigned char u_char;
#endif
/* If your system doesn't typedef size_t, change the 0 to a 1. */
#if 0
typedef unsigned int size_t;
#define SIZE_T_MAX UINT_MAX
#endif
/*
* If your system doesn't specify a max size for a SIZE_T, check
* to make sure this is the right one.
*/
#ifndef SIZE_T_MAX
#define SIZE_T_MAX UINT_MAX
#endif
/*
* If your system doesn't have the POSIX type for a signal mask,
* change the 0 to a 1.
*/
#if 0
typedef unsigned int sigset_t;
#endif
/*
* If your system's vsprintf returns a char *, not an int,
* change the 0 to a 1.
*/
#if 0
#define VSPRINTF_CHARSTAR
#endif
/*
* If you don't have POSIX 1003.1 signals, the signal code surrounding the
* temporary file creation is intended to block all of the possible signals
* long enough to create the file and unlink it. All of this stuff is
* intended to use old-style BSD calls to fake POSIX 1003.1 calls.
*/
#ifdef NO_POSIX_SIGNALS
#define sigemptyset(set) (*(set) = 0)
#define sigfillset(set) (*(set) = ~(sigset_t)0, 0)
#define sigaddset(set,signo) (*(set) |= sigmask(signo), 0)
#define sigdelset(set,signo) (*(set) &= ~sigmask(signo), 0)
#define sigismember(set,signo) ((*(set) & sigmask(signo)) != 0)
#define SIG_BLOCK 1
#define SIG_UNBLOCK 2
#define SIG_SETMASK 3
static int __sigtemp; /* For the use of sigprocmask */
#define sigprocmask(how,set,oset) \
((__sigtemp = (((how) == SIG_BLOCK) ? \
sigblock(0) | *(set) : (((how) == SIG_UNBLOCK) ? \
sigblock(0) & ~(*(set)) : ((how) == SIG_SETMASK ? \
*(set) : sigblock(0))))), ((oset) ? \
(*(oset) = sigsetmask(__sigtemp)) : sigsetmask(__sigtemp)), 0)
#endif
/*
* If realloc(3) of a NULL pointer on your system isn't the same as
* a malloc(3) call, change the 0 to a 1, and add realloc.o to the
* MISC line in your Makefile.
*/
#if 0
#define realloc __fix_realloc
#endif
/*
* If your system doesn't have an include file with the appropriate
* byte order set, make sure you specify the correct one.
*/
#ifndef BYTE_ORDER
#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
#define BYTE_ORDER BIG_ENDIAN /* Set for your system. */
#endif
#if defined(SYSV) || defined(SYSTEM5)
#define index(a, b) strchr(a, b)
#define rindex(a, b) strrchr(a, b)
#define bzero(a, b) memset(a, 0, b)
#define bcmp(a, b, n) memcmp(a, b, n)
#define bcopy(a, b, n) memmove(b, a, n)
#endif
#if defined(BSD) || defined(BSD4_3)
#define strchr(a, b) index(a, b)
#define strrchr(a, b) rindex(a, b)
#define memcmp(a, b, n) bcmp(a, b, n)
#define memmove(a, b, n) bcopy(b, a, n)
#endif
/*
* 32-bit machine. The db routines are theoretically independent of
* the size of u_shorts and u_longs, but I don't know that anyone has
* ever actually tried it. At a minimum, change the following #define's
* if you are trying to compile on a different type of system.
*/
#ifndef USHRT_MAX
#define USHRT_MAX 0xFFFF
#define ULONG_MAX 0xFFFFFFFF
#endif
/* POSIX 1003.1 access mode mask. */
#ifndef O_ACCMODE
#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
#endif
/* POSIX 1003.2 RE limit. */
#ifndef _POSIX2_RE_DUP_MAX
#define _POSIX2_RE_DUP_MAX 255
#endif
/*
* If you can't provide lock values in the open(2) call. Note, this
* allows races to happen.
*/
#ifndef O_EXLOCK
#define O_EXLOCK 0
#endif
#ifndef O_SHLOCK
#define O_SHLOCK 0
#endif
#ifndef EFTYPE
#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */
#endif
#ifndef WCOREDUMP /* 4.4BSD extension */
#define WCOREDUMP(a) 0
#endif
#ifndef STDERR_FILENO
#define STDIN_FILENO 0 /* ANSI C #defines */
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#endif
#ifndef SEEK_END
#define SEEK_SET 0 /* POSIX 1003.1 seek values */
#define SEEK_CUR 1
#define SEEK_END 2
#endif
#ifndef S_ISLNK /* BSD POSIX 1003.1 extensions */
#define S_ISLNK(m) ((m & 0170000) == 0120000)
#define S_ISSOCK(m) ((m & 0170000) == 0140000)
#endif
#ifndef _POSIX2_RE_DUP_MAX
#define _POSIX2_RE_DUP_MAX 255
#endif
#ifndef NULL /* ANSI C #defines NULL everywhere. */
#define NULL 0
#endif
#ifndef MAX
#define MAX(_a,_b) ((_a)<(_b)?(_b):(_a))
#endif
#ifndef MIN
#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
#endif
#ifndef _BSD_VA_LIST_
#define _BSD_VA_LIST_ char *
#endif
#endif /* !_COMPAT_H_ */