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 * 33 * @(#)compat.h 8.16 (Berkeley) 3/8/94 34 */ 35 36 #ifndef _COMPAT_H_ 37 #define _COMPAT_H_ 38 39 #include <sys/types.h> 40 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 46 typedef unsigned char u_char; /* 4.[34]BSD names. */ 47 typedef unsigned int u_int; 48 typedef unsigned long u_long; 49 typedef unsigned short u_short; 50 #endif 51 52 /* If your system doesn't typedef size_t, change the 0 to a 1. */ 53 #if 0 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. */ 60 #endif 61 62 /* 63 * If your system doesn't typedef the following basic integral types, 64 * change the 0 to a 1, and change the values as necessary. 65 */ 66 #if 1 67 typedef char int8_t; 68 typedef unsigned char u_int8_t; 69 typedef short int16_t; 70 typedef unsigned short u_int16_t; 71 typedef int int32_t; 72 typedef unsigned int u_int32_t; 73 #ifdef WE_DONT_NEED_QUADS 74 typedef long long int64_t; 75 typedef unsigned long long u_int64_t; 76 #endif 77 #endif 78 79 /* 80 * If your system doesn't have the POSIX type for a signal mask, 81 * change the 0 to a 1. 82 */ 83 #if 0 /* POSIX 1003.1 signal mask type. */ 84 typedef unsigned int sigset_t; 85 #endif 86 87 /* 88 * If your system's vsprintf returns a char *, not an int, 89 * change the 0 to a 1. 90 */ 91 #if 0 92 #define VSPRINTF_CHARSTAR 93 #endif 94 95 /* 96 * If you don't have POSIX 1003.1 signals, the signal code surrounding the 97 * temporary file creation is intended to block all of the possible signals 98 * long enough to create the file and unlink it. All of this stuff is 99 * intended to use old-style BSD calls to fake POSIX 1003.1 calls. 100 */ 101 #ifdef NO_POSIX_SIGNALS 102 #define sigemptyset(set) (*(set) = 0) 103 #define sigfillset(set) (*(set) = ~(sigset_t)0, 0) 104 #define sigaddset(set,signo) (*(set) |= sigmask(signo), 0) 105 #define sigdelset(set,signo) (*(set) &= ~sigmask(signo), 0) 106 #define sigismember(set,signo) ((*(set) & sigmask(signo)) != 0) 107 108 #define SIG_BLOCK 1 109 #define SIG_UNBLOCK 2 110 #define SIG_SETMASK 3 111 112 static int __sigtemp; /* For the use of sigprocmask */ 113 114 /* Repeated test of oset != NULL is to avoid "*0". */ 115 #define sigprocmask(how, set, oset) \ 116 ((__sigtemp = \ 117 (((how) == SIG_BLOCK) ? \ 118 sigblock(0) | *(set) : \ 119 (((how) == SIG_UNBLOCK) ? \ 120 sigblock(0) & ~(*(set)) : \ 121 ((how) == SIG_SETMASK ? \ 122 *(set) : sigblock(0))))), \ 123 ((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) : \ 124 sigsetmask(__sigtemp)), 0) 125 #endif 126 127 /* 128 * If realloc(3) of a NULL pointer on your system isn't the same as 129 * a malloc(3) call, change the 0 to a 1, and add realloc.o to the 130 * MISC line in your Makefile. 131 */ 132 #if 0 133 #define realloc __fix_realloc 134 #endif 135 136 /* 137 * If your system doesn't have an include file with the appropriate 138 * byte order set, make sure you specify the correct one. 139 */ 140 #ifndef BYTE_ORDER 141 #define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ 142 #define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ 143 #define BYTE_ORDER BIG_ENDIAN /* Set for your system. */ 144 #endif 145 146 #if defined(SYSV) || defined(SYSTEM5) 147 #define index(a, b) strchr(a, b) 148 #define rindex(a, b) strrchr(a, b) 149 #define bzero(a, b) memset(a, 0, b) 150 #define bcmp(a, b, n) memcmp(a, b, n) 151 #define bcopy(a, b, n) memmove(b, a, n) 152 #endif 153 154 #if defined(BSD) || defined(BSD4_3) 155 #define strchr(a, b) index(a, b) 156 #define strrchr(a, b) rindex(a, b) 157 #define memcmp(a, b, n) bcmp(a, b, n) 158 #define memmove(a, b, n) bcopy(b, a, n) 159 #endif 160 161 /* 162 * 32-bit machine. The db routines are theoretically independent of 163 * the size of u_shorts and u_longs, but I don't know that anyone has 164 * ever actually tried it. At a minimum, change the following #define's 165 * if you are trying to compile on a different type of system. 166 */ 167 #ifndef USHRT_MAX 168 #define USHRT_MAX 0xFFFF 169 #define ULONG_MAX 0xFFFFFFFF 170 #endif 171 172 #ifndef O_ACCMODE /* POSIX 1003.1 access mode mask. */ 173 #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) 174 #endif 175 176 #ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 RE limit. */ 177 #define _POSIX2_RE_DUP_MAX 255 178 #endif 179 180 /* 181 * If you can't provide lock values in the open(2) call. Note, this 182 * allows races to happen. 183 */ 184 #ifndef O_EXLOCK /* 4.4BSD extension. */ 185 #define O_EXLOCK 0 186 #endif 187 188 #ifndef O_SHLOCK /* 4.4BSD extension. */ 189 #define O_SHLOCK 0 190 #endif 191 192 #ifndef EFTYPE 193 #define EFTYPE EINVAL /* POSIX 1003.1 format errno. */ 194 #endif 195 196 #ifndef WCOREDUMP /* 4.4BSD extension */ 197 #define WCOREDUMP(a) 0 198 #endif 199 200 #ifndef STDERR_FILENO 201 #define STDIN_FILENO 0 /* ANSI C #defines */ 202 #define STDOUT_FILENO 1 203 #define STDERR_FILENO 2 204 #endif 205 206 #ifndef SEEK_END 207 #define SEEK_SET 0 /* POSIX 1003.1 seek values */ 208 #define SEEK_CUR 1 209 #define SEEK_END 2 210 #endif 211 212 #ifndef _POSIX_VDISABLE /* POSIX 1003.1 disabling char. */ 213 #define _POSIX_VDISABLE 0 /* Some systems used 0. */ 214 #endif 215 216 #ifndef TCSASOFT /* 4.4BSD extension. */ 217 #define TCSASOFT 0 218 #endif 219 220 #ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 values. */ 221 #define _POSIX2_RE_DUP_MAX 255 222 #endif 223 224 #ifndef NULL /* ANSI C #defines NULL everywhere. */ 225 #define NULL 0 226 #endif 227 228 #ifndef MAX /* Usually found in <sys/param.h>. */ 229 #define MAX(_a,_b) ((_a)<(_b)?(_b):(_a)) 230 #endif 231 #ifndef MIN /* Usually found in <sys/param.h>. */ 232 #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b)) 233 #endif 234 235 /* Default file permissions. */ 236 #ifndef DEFFILEMODE /* 4.4BSD extension. */ 237 #define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 238 #endif 239 240 #ifndef S_ISDIR /* POSIX 1003.1 file type tests. */ 241 #define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */ 242 #define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */ 243 #define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */ 244 #define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */ 245 #define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */ 246 #endif 247 #ifndef S_ISLNK /* BSD POSIX 1003.1 extension */ 248 #define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */ 249 #endif 250 #ifndef S_ISSOCK /* BSD POSIX 1003.1 extension */ 251 #define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket, pipe */ 252 #endif 253 254 /* The type of a va_list. */ 255 #ifndef _BSD_VA_LIST_ /* 4.4BSD #define. */ 256 #define _BSD_VA_LIST_ char * 257 #endif 258 259 #endif /* !_COMPAT_H_ */ 260