/*-
* 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. 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.
*/
#ifndef _COMPAT_H_
#define _COMPAT_H_
#include <sys/types.h>
#if (defined(_WIN32) && !defined(__CYGWIN__)) || defined(__DJGPP__)
typedef unsigned char u_char;
typedef unsigned int u_int;
typedef unsigned long u_long;
typedef unsigned short u_short;
#endif /* _WIN32 || __DJGPP__ */
#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
#define BIG_ENDIAN 4321
#ifdef WORDS_BIGENDIAN
#define BYTE_ORDER BIG_ENDIAN
#else
#define BYTE_ORDER LITTLE_ENDIAN
#endif
#endif
/*
* Old definitions were rewritten using 'HAVE_XXX' macros.
*
* #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
*/
#if !defined (HAVE_INDEX) && defined (HAVE_STRCHR)
#define index(a, b) strchr(a, b)
#endif
#if !defined (HAVE_RINDEX) && defined (HAVE_STRRCHR)
#define rindex(a, b) strrchr(a, b)
#endif
#if !defined (HAVE_BZERO) && defined (HAVE_MEMSET)
#define bzero(a, b) memset(a, 0, b)
#endif
#if !defined (HAVE_BCMP) && defined (HAVE_MEMCMP)
#define bcmp(a, b, n) memcmp(a, b, n)
#endif
#if !defined (HAVE_BCOPY) && defined (HAVE_MEMMOVE)
#define bcopy(a, b, n) memmove(b, a, n)
#endif
#if !defined (HAVE_STRCHR) && defined (HAVE_INDEX)
#define strchr(a, b) index(a, b)
#endif
#if !defined (HAVE_STRRCHR) && defined (HAVE_RINDEX)
#define strrchr(a, b) rindex(a, b)
#endif
#if !defined (HAVE_MEMCMP) && defined (HAVE_BCMP)
#define memcmp(a, b, n) bcmp(a, b, n)
#endif
#if !defined (HAVE_MEMMOVE) && defined (HAVE_BCOPY)
#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 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 O_BINARY /* UNIX systems don't often have or need this */
#define O_BINARY 0
#endif
#ifndef O_NONBLOCK /* Win32 systems doesn't have or need this */
#define O_NONBLOCK 0
#endif
#ifndef EFTYPE
#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */
#endif
#ifndef SEEK_END
#define SEEK_SET 0 /* POSIX 1003.1 seek values */
#define SEEK_CUR 1
#define SEEK_END 2
#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
#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 HAVE_LSTAT
#define lstat stat
#endif
#ifndef HAVE_GETCWD
#define getcwd(buf, max) getwd (buf)
#endif
#endif /* !_COMPAT_H_ */
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