/*- * 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. ***REMOVED*** - see * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change * 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 typedefunsignedchar u_char; /* 4.[34]BSD names. */ typedefunsignedint u_int; typedefunsignedlong u_long; typedefunsignedshort u_short; #endif
/* If your system doesn't typedef size_t, change the 0 to a 1. */ #if 0 typedefunsignedint size_t; /* POSIX, 4.[34]BSD names. */ #endif
/* If your system doesn't typedef ssize_t, change the 0 to a 1. */ #if 0 typedefint 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. */ typedefunsignedint sigset_t; #endif
/* * If your system's vsprintf returns a char *, not an int, * change the 0 to a 1.
*/ #ifdefined(__sun) && !defined(__SVR4) /* SUNOS */ #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)
/* * 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
#ifdefined(SYSV) || defined(SYSTEM5) || defined(__sun) #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
#ifdefined(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
/* * 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 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
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