db.1.85/PORT/sunos.5.2/include/compat.h

   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    8.13 (Berkeley) 2/21/94
  34  */
  35
  36 #ifndef _COMPAT_H_
  37 #define _COMPAT_H_
  38
  39 #include <sys/types.h>
  40
  41 #define NO_ERRLIST
  42
  43 /*
  44  * If your system doesn't typedef u_long, u_short, or u_char, change
  45  * the 0 to a 1.
  46  */
  47 #if 0
  48 typedef unsigned char   u_char;         /* 4.[34]BSD names. */
  49 typedef unsigned int    u_int;
  50 typedef unsigned long   u_long;
  51 typedef unsigned short  u_short;
  52 #endif
  53
  54 /* If your system doesn't typedef size_t, change the 0 to a 1. */
  55 #if 0
  56 typedef unsigned int    size_t;         /* POSIX, 4.[34]BSD names. */
  57 #endif
  58
  59 /* If your system doesn't typedef ssize_t, change the 0 to a 1. */
  60 #if 0
  61 typedef int             ssize_t;        /* POSIX names. */
  62 #endif
  63
  64 /*
  65  * If your system doesn't have the POSIX type for a signal mask,
  66  * change the 0 to a 1.
  67  */
  68 #if 0                                   /* POSIX 1003.1 signal mask type. */
  69 typedef unsigned int    sigset_t;
  70 #endif
  71
  72
  73 #define write _write
  74
  75 /*
  76  * If your system's vsprintf returns a char *, not an int,
  77  * change the 0 to a 1.
  78  */
  79 #if 0
  80 #define VSPRINTF_CHARSTAR
  81 #endif
  82
  83 /*
  84  * If you don't have POSIX 1003.1 signals, the signal code surrounding the
  85  * temporary file creation is intended to block all of the possible signals
  86  * long enough to create the file and unlink it.  All of this stuff is
  87  * intended to use old-style BSD calls to fake POSIX 1003.1 calls.
  88  */
  89 #ifdef  NO_POSIX_SIGNALS
  90 #define sigemptyset(set)        (*(set) = 0)
  91 #define sigfillset(set)         (*(set) = ~(sigset_t)0, 0)
  92 #define sigaddset(set,signo)    (*(set) |= sigmask(signo), 0)
  93 #define sigdelset(set,signo)    (*(set) &= ~sigmask(signo), 0)
  94 #define sigismember(set,signo)  ((*(set) & sigmask(signo)) != 0)
  95
  96 #define SIG_BLOCK       1
  97 #define SIG_UNBLOCK     2
  98 #define SIG_SETMASK     3
  99
 100 static int __sigtemp;           /* For the use of sigprocmask */
 101
 102 /* Repeated test of oset != NULL is to avoid "*0". */
 103 #define sigprocmask(how, set, oset)                                     \
 104         ((__sigtemp =                                                   \
 105         (((how) == SIG_BLOCK) ?                                         \
 106                 sigblock(0) | *(set) :                                  \
 107         (((how) == SIG_UNBLOCK) ?                                       \
 108                 sigblock(0) & ~(*(set)) :                               \
 109         ((how) == SIG_SETMASK ?                                         \
 110                 *(set) : sigblock(0))))),                               \
 111         ((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) :      \
 112                 sigsetmask(__sigtemp)), 0)
 113 #endif
 114
 115 /*
 116  * If your system doesn't have an include file with the appropriate
 117  * byte order set, make sure you specify the correct one.
 118  */
 119 #ifndef BYTE_ORDER
 120 #define LITTLE_ENDIAN   1234            /* LSB first: i386, vax */
 121 #define BIG_ENDIAN      4321            /* MSB first: 68000, ibm, net */
 122 #define BYTE_ORDER      BIG_ENDIAN      /* Set for your system. */
 123 #endif
 124
 125 #if defined(SYSV) || defined(SYSTEM5)
 126 #define index(a, b)             strchr(a, b)
 127 #define rindex(a, b)            strrchr(a, b)
 128 #define bzero(a, b)             memset(a, 0, b)
 129 #define bcmp(a, b, n)           memcmp(a, b, n)
 130 #define bcopy(a, b, n)          memmove(b, a, n)
 131 #endif
 132
 133 #if defined(BSD) || defined(BSD4_3)
 134 #define strchr(a, b)            index(a, b)
 135 #define strrchr(a, b)           rindex(a, b)
 136 #define memcmp(a, b, n)         bcmp(a, b, n)
 137 #define memmove(a, b, n)        bcopy(b, a, n)
 138 #endif
 139
 140 /*
 141  * 32-bit machine.  The db routines are theoretically independent of
 142  * the size of u_shorts and u_longs, but I don't know that anyone has
 143  * ever actually tried it.  At a minimum, change the following #define's
 144  * if you are trying to compile on a different type of system.
 145  */
 146 #ifndef USHRT_MAX
 147 #define USHRT_MAX               0xFFFF
 148 #define ULONG_MAX               0xFFFFFFFF
 149 #endif
 150
 151 #ifndef O_ACCMODE                       /* POSIX 1003.1 access mode mask. */
 152 #define O_ACCMODE       (O_RDONLY|O_WRONLY|O_RDWR)
 153 #endif
 154
 155 #ifndef _POSIX2_RE_DUP_MAX              /* POSIX 1003.2 RE limit. */
 156 #define _POSIX2_RE_DUP_MAX      255
 157 #endif
 158
 159 /*
 160  * If you can't provide lock values in the open(2) call.  Note, this
 161  * allows races to happen.
 162  */
 163 #ifndef O_EXLOCK                        /* 4.4BSD extension. */
 164 #define O_EXLOCK        0
 165 #endif
 166
 167 #ifndef O_SHLOCK                        /* 4.4BSD extension. */
 168 #define O_SHLOCK        0
 169 #endif
 170
 171 #ifndef EFTYPE
 172 #define EFTYPE          EINVAL          /* POSIX 1003.1 format errno. */
 173 #endif
 174
 175 #ifndef WCOREDUMP                       /* 4.4BSD extension */
 176 #define WCOREDUMP(a)    0
 177 #endif
 178
 179 #ifndef STDERR_FILENO
 180 #define STDIN_FILENO    0               /* ANSI C #defines */
 181 #define STDOUT_FILENO   1
 182 #define STDERR_FILENO   2
 183 #endif
 184
 185 #ifndef SEEK_END
 186 #define SEEK_SET        0               /* POSIX 1003.1 seek values */
 187 #define SEEK_CUR        1
 188 #define SEEK_END        2
 189 #endif
 190
 191 #ifndef _POSIX_VDISABLE                 /* POSIX 1003.1 disabling char. */
 192 #define _POSIX_VDISABLE 0               /* Some systems used 0. */
 193 #endif
 194
 195 #ifndef TCSASOFT                        /* 4.4BSD extension. */
 196 #define TCSASOFT        0
 197 #endif
 198
 199 #ifndef _POSIX2_RE_DUP_MAX              /* POSIX 1003.2 values. */
 200 #define _POSIX2_RE_DUP_MAX      255
 201 #endif
 202
 203 #ifndef NULL                            /* ANSI C #defines NULL everywhere. */
 204 #define NULL            0
 205 #endif
 206
 207 #ifndef MAX                             /* Usually found in <sys/param.h>. */
 208 #define MAX(_a,_b)      ((_a)<(_b)?(_b):(_a))
 209 #endif
 210 #ifndef MIN                             /* Usually found in <sys/param.h>. */
 211 #define MIN(_a,_b)      ((_a)<(_b)?(_a):(_b))
 212 #endif
 213
 214 /* Default file permissions. */
 215 #ifndef DEFFILEMODE                     /* 4.4BSD extension. */
 216 #define DEFFILEMODE     (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
 217 #endif
 218
 219 #ifndef S_ISDIR                         /* POSIX 1003.1 file type tests. */
 220 #define S_ISDIR(m)      ((m & 0170000) == 0040000)      /* directory */
 221 #define S_ISCHR(m)      ((m & 0170000) == 0020000)      /* char special */
 222 #define S_ISBLK(m)      ((m & 0170000) == 0060000)      /* block special */
 223 #define S_ISREG(m)      ((m & 0170000) == 0100000)      /* regular file */
 224 #define S_ISFIFO(m)     ((m & 0170000) == 0010000)      /* fifo */
 225 #endif
 226 #ifndef S_ISLNK                         /* BSD POSIX 1003.1 extensions */
 227 #define S_ISLNK(m)      ((m & 0170000) == 0120000)      /* symbolic link */
 228 #define S_ISSOCK(m)     ((m & 0170000) == 0140000)      /* socket */
 229 #endif
 230
 231 /* The type of a va_list. */
 232 #ifndef _BSD_VA_LIST_                   /* 4.4BSD #define. */
 233 #define _BSD_VA_LIST_   char *
 234 #endif
 235
 236 #endif /* !_COMPAT_H_ */