/*- * 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 #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 . */ #define MAX(_a,_b) ((_a)<(_b)?(_b):(_a)) #endif #ifndef MIN /* Usually found in . */ #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_ */