[unix-history] / usr / src / contrib / nvi.1.43 / PORT / db.1.85 / PORT / sinix.5.41 / 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	8.13 (Berkeley) 2/21/94
 */

#ifndef	_COMPAT_H_
#define	_COMPAT_H_

#include <sys/types.h>

/*
 * If your system doesn't typedef u_long, u_short, or u_char, change
 * the 0 to a 1.
 */
#if 0
typedef unsigned char	u_char;		/* 4.[34]BSD names. */
typedef unsigned int	u_int;
typedef unsigned long	u_long;
typedef unsigned short	u_short;
#endif

/* If your system doesn't typedef size_t, change the 0 to a 1. */
#if 0
typedef unsigned int	size_t;		/* POSIX, 4.[34]BSD names. */
#endif

/* If your system doesn't typedef ssize_t, change the 0 to a 1. */
#if 0
typedef	int		ssize_t;	/* POSIX names. */
#endif

/*
 * If your system doesn't have the POSIX type for a signal mask,
 * change the 0 to a 1.
 */
#if 0					/* POSIX 1003.1 signal mask type. */
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 */

/* Repeated test of oset != NULL is to avoid "*0". */
#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 ? oset : set) = sigsetmask(__sigtemp)) :	\
		sigsetmask(__sigtemp)), 0)
#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

#ifndef O_ACCMODE			/* POSIX 1003.1 access mode mask. */
#define	O_ACCMODE	(O_RDONLY|O_WRONLY|O_RDWR)
#endif

#ifndef	_POSIX2_RE_DUP_MAX		/* POSIX 1003.2 RE limit. */
#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			/* 4.4BSD extension. */
#define	O_EXLOCK	0
#endif

#ifndef O_SHLOCK			/* 4.4BSD extension. */
#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 _POSIX_VDISABLE			/* POSIX 1003.1 disabling char. */
#define	_POSIX_VDISABLE	0		/* Some systems used 0. */
#endif

#ifndef	TCSASOFT			/* 4.4BSD extension. */
#define	TCSASOFT	0
#endif

#ifndef _POSIX2_RE_DUP_MAX		/* POSIX 1003.2 values. */
#define	_POSIX2_RE_DUP_MAX	255
#endif

#ifndef NULL				/* ANSI C #defines NULL everywhere. */
#define	NULL		0
#endif

#ifndef	MAX				/* Usually found in <sys/param.h>. */
#define	MAX(_a,_b)	((_a)<(_b)?(_b):(_a))
#endif
#ifndef	MIN				/* Usually found in <sys/param.h>. */
#define	MIN(_a,_b)	((_a)<(_b)?(_a):(_b))
#endif

/* Default file permissions. */
#ifndef DEFFILEMODE			/* 4.4BSD extension. */
#define	DEFFILEMODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
#endif

#ifndef S_ISDIR				/* POSIX 1003.1 file type tests. */
#define	S_ISDIR(m)	((m & 0170000) == 0040000)	/* directory */
#define	S_ISCHR(m)	((m & 0170000) == 0020000)	/* char special */
#define	S_ISBLK(m)	((m & 0170000) == 0060000)	/* block special */
#define	S_ISREG(m)	((m & 0170000) == 0100000)	/* regular file */
#define	S_ISFIFO(m)	((m & 0170000) == 0010000)	/* fifo */
#endif
#ifndef S_ISLNK				/* BSD POSIX 1003.1 extensions */
#define	S_ISLNK(m)	((m & 0170000) == 0120000)	/* symbolic link */
#define	S_ISSOCK(m)	((m & 0170000) == 0140000)	/* socket */
#endif

/* The type of a va_list. */
#ifndef _BSD_VA_LIST_			/* 4.4BSD #define. */
#define	_BSD_VA_LIST_	char *
#endif

#endif /* !_COMPAT_H_ */
Commit	Line	Data
ad787160 C	1	/*-
	2	* Copyright (c) 1991, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
ed554bc5	33	* @(#)compat.h 8.13 (Berkeley) 2/21/94
ad787160 C	34	*/
	35
	36	#ifndef _COMPAT_H_
	37	#define _COMPAT_H_
	38
ed554bc5 C	39	#include <sys/types.h>
ed554bc5 C	40
ad787160 C	41	/*
	42	* If your system doesn't typedef u_long, u_short, or u_char, change
	43	* the 0 to a 1.
	44	*/
	45	#if 0
ed554bc5 C	46	typedef unsigned char u_char; /* 4.[34]BSD names. */
ed554bc5 C	47	typedef unsigned int u_int;
ad787160 C	48	typedef unsigned long u_long;
ad787160 C	49	typedef unsigned short u_short;
ad787160 C	50	#endif
	51
	52	/* If your system doesn't typedef size_t, change the 0 to a 1. */
	53	#if 0
ed554bc5 C	54	typedef unsigned int size_t; /* POSIX, 4.[34]BSD names. */
	55	#endif
	56
	57	/* If your system doesn't typedef ssize_t, change the 0 to a 1. */
	58	#if 0
	59	typedef int ssize_t; /* POSIX names. */
ad787160 C	60	#endif
ad787160 C	61
ad787160 C	62	/*
	63	* If your system doesn't have the POSIX type for a signal mask,
	64	* change the 0 to a 1.
	65	*/
ed554bc5	66	#if 0 /* POSIX 1003.1 signal mask type. */
ad787160 C	67	typedef unsigned int sigset_t;
	68	#endif
	69
	70	/*
	71	* If your system's vsprintf returns a char *, not an int,
	72	* change the 0 to a 1.
	73	*/
	74	#if 0
	75	#define VSPRINTF_CHARSTAR
	76	#endif
	77
	78	/*
	79	* If you don't have POSIX 1003.1 signals, the signal code surrounding the
	80	* temporary file creation is intended to block all of the possible signals
	81	* long enough to create the file and unlink it. All of this stuff is
	82	* intended to use old-style BSD calls to fake POSIX 1003.1 calls.
	83	*/
ed554bc5 C	84	#ifdef NO_POSIX_SIGNALS
	85	#define sigemptyset(set) (*(set) = 0)
	86	#define sigfillset(set) (*(set) = ~(sigset_t)0, 0)
	87	#define sigaddset(set,signo) (*(set) \|= sigmask(signo), 0)
	88	#define sigdelset(set,signo) (*(set) &= ~sigmask(signo), 0)
	89	#define sigismember(set,signo) ((*(set) & sigmask(signo)) != 0)
ad787160	90
ed554bc5 C	91	#define SIG_BLOCK 1
	92	#define SIG_UNBLOCK 2
	93	#define SIG_SETMASK 3
ad787160 C	94
	95	static int __sigtemp; /* For the use of sigprocmask */
	96
ed554bc5 C	97	/* Repeated test of oset != NULL is to avoid "0". /
	98	#define sigprocmask(how, set, oset) \
	99	((__sigtemp = \
	100	(((how) == SIG_BLOCK) ? \
	101	sigblock(0) \| *(set) : \
	102	(((how) == SIG_UNBLOCK) ? \
	103	sigblock(0) & ~(*(set)) : \
	104	((how) == SIG_SETMASK ? \
	105	*(set) : sigblock(0))))), \
	106	((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) : \
	107	sigsetmask(__sigtemp)), 0)
ad787160 C	108	#endif
ad787160 C	109
ad787160 C	110	/*
	111	* If your system doesn't have an include file with the appropriate
	112	* byte order set, make sure you specify the correct one.
	113	*/
	114	#ifndef BYTE_ORDER
ed554bc5 C	115	#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
	116	#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
	117	#define BYTE_ORDER BIG_ENDIAN /* Set for your system. */
ad787160 C	118	#endif
	119
	120	#if defined(SYSV) \|\| defined(SYSTEM5)
	121	#define index(a, b) strchr(a, b)
	122	#define rindex(a, b) strrchr(a, b)
	123	#define bzero(a, b) memset(a, 0, b)
	124	#define bcmp(a, b, n) memcmp(a, b, n)
	125	#define bcopy(a, b, n) memmove(b, a, n)
	126	#endif
	127
	128	#if defined(BSD) \|\| defined(BSD4_3)
	129	#define strchr(a, b) index(a, b)
	130	#define strrchr(a, b) rindex(a, b)
	131	#define memcmp(a, b, n) bcmp(a, b, n)
	132	#define memmove(a, b, n) bcopy(b, a, n)
	133	#endif
	134
	135	/*
	136	* 32-bit machine. The db routines are theoretically independent of
	137	* the size of u_shorts and u_longs, but I don't know that anyone has
	138	* ever actually tried it. At a minimum, change the following #define's
	139	* if you are trying to compile on a different type of system.
	140	*/
	141	#ifndef USHRT_MAX
	142	#define USHRT_MAX 0xFFFF
	143	#define ULONG_MAX 0xFFFFFFFF
	144	#endif
	145
ed554bc5	146	#ifndef O_ACCMODE /* POSIX 1003.1 access mode mask. */
ad787160 C	147	#define O_ACCMODE (O_RDONLY\|O_WRONLY\|O_RDWR)
	148	#endif
	149
ed554bc5	150	#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 RE limit. */
ad787160 C	151	#define _POSIX2_RE_DUP_MAX 255
	152	#endif
	153
	154	/*
	155	* If you can't provide lock values in the open(2) call. Note, this
	156	* allows races to happen.
	157	*/
ed554bc5	158	#ifndef O_EXLOCK /* 4.4BSD extension. */
ad787160 C	159	#define O_EXLOCK 0
	160	#endif
	161
ed554bc5	162	#ifndef O_SHLOCK /* 4.4BSD extension. */
ad787160 C	163	#define O_SHLOCK 0
	164	#endif
	165
	166	#ifndef EFTYPE
	167	#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */
	168	#endif
	169
	170	#ifndef WCOREDUMP /* 4.4BSD extension */
	171	#define WCOREDUMP(a) 0
	172	#endif
	173
	174	#ifndef STDERR_FILENO
	175	#define STDIN_FILENO 0 /* ANSI C #defines */
	176	#define STDOUT_FILENO 1
	177	#define STDERR_FILENO 2
	178	#endif
	179
	180	#ifndef SEEK_END
	181	#define SEEK_SET 0 /* POSIX 1003.1 seek values */
	182	#define SEEK_CUR 1
	183	#define SEEK_END 2
	184	#endif
	185
ed554bc5 C	186	#ifndef _POSIX_VDISABLE /* POSIX 1003.1 disabling char. */
	187	#define _POSIX_VDISABLE 0 /* Some systems used 0. */
	188	#endif
	189
ed554bc5 C	190	#ifndef TCSASOFT /* 4.4BSD extension. */
ed554bc5 C	191	#define TCSASOFT 0
ad787160 C	192	#endif
ad787160 C	193
ed554bc5	194	#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 values. */
ad787160 C	195	#define _POSIX2_RE_DUP_MAX 255
	196	#endif
	197
	198	#ifndef NULL /* ANSI C #defines NULL everywhere. */
	199	#define NULL 0
	200	#endif
	201
ed554bc5	202	#ifndef MAX /* Usually found in <sys/param.h>. */
ad787160 C	203	#define MAX(_a,_b) ((_a)<(_b)?(_b):(_a))
ad787160 C	204	#endif
ed554bc5	205	#ifndef MIN /* Usually found in <sys/param.h>. */
ad787160 C	206	#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
	207	#endif
	208
ed554bc5 C	209	/* Default file permissions. */
	210	#ifndef DEFFILEMODE /* 4.4BSD extension. */
	211	#define DEFFILEMODE (S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP\|S_IROTH\|S_IWOTH)
	212	#endif
	213
	214	#ifndef S_ISDIR /* POSIX 1003.1 file type tests. */
	215	#define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */
	216	#define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */
	217	#define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */
	218	#define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */
	219	#define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */
ed554bc5	220	#endif
fd88f5c5	221	#ifndef S_ISLNK /* BSD POSIX 1003.1 extensions */
ed554bc5 C	222	#define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */
	223	#define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket */
	224	#endif
	225
	226	/* The type of a va_list. */
	227	#ifndef _BSD_VA_LIST_ /* 4.4BSD #define. */
ad787160 C	228	#define _BSD_VA_LIST_ char *
	229	#endif
	230
	231	#endif /* !_COMPAT_H_ */