usr.bin/vi/port.h

   1 /* @(#)port.h.in        8.13 (Berkeley) 6/12/96 */
   2
   3 /*
   4  * $DragonFly: src/usr.bin/vi/port.h,v 1.2 2003/11/06 19:30:04 eirikn Exp $
   5  */
   6
   7 /*
   8  * Declare the basic types, if they aren't already declared.  Named and
   9  * some system's db.h files protect them with __BIT_TYPES_DEFINED__.
  10  */
  11 #ifndef __BIT_TYPES_DEFINED__
  12 #define __BIT_TYPES_DEFINED__
  13
  14
  15
  16
  17
  18 #endif
  19
  20
  21
  22
  23
  24
  25 /*
  26  * XXX
  27  * Some versions of System V changed the number of arguments to gettimeofday
  28  * without changing the name.
  29  */
  30 #ifdef HAVE_BROKEN_GETTIMEOFDAY
  31 #define gettimeofday(tv, tz)    gettimeofday(tv)
  32 #endif
  33
  34 /*
  35  * XXX
  36  * If we don't have mmap, we fake it with read and write, but we'll
  37  * still need the header information.
  38  */
  39 #ifndef HAVE_SYS_MMAN_H
  40 #define MAP_SHARED      1               /* share changes */
  41 #define MAP_PRIVATE     2               /* changes are private */
  42 #define PROT_READ       0x1             /* pages can be read */
  43 #define PROT_WRITE      0x2             /* pages can be written */
  44 #define PROT_EXEC       0x4             /* pages can be executed */
  45 #endif
  46
  47 /*
  48  * XXX
  49  * POSIX 1003.1 names for file descriptors.
  50  */
  51 #ifndef STDERR_FILENO
  52 #define STDIN_FILENO    0               /* ANSI C #defines */
  53 #define STDOUT_FILENO   1
  54 #define STDERR_FILENO   2
  55 #endif
  56
  57 /*
  58  * XXX
  59  * POSIX 1003.1 names for seek settings.
  60  */
  61 #ifndef SEEK_END
  62 #define SEEK_SET        0               /* POSIX 1003.1 seek values */
  63 #define SEEK_CUR        1
  64 #define SEEK_END        2
  65 #endif
  66
  67 /*
  68  * Hack _POSIX_VDISABLE to \377 since Ultrix doesn't honor _POSIX_VDISABLE
  69  * (treats it as ^@).  The symptom is that the ^@ keystroke immediately
  70  * drops core.
  71  */
  72 #ifdef HAVE_BROKEN_VDISABLE
  73 #undef  _POSIX_VDISABLE
  74 #define _POSIX_VDISABLE ((unsigned char)'\377')
  75 #endif
  76
  77 /*
  78  * XXX
  79  * POSIX 1003.1 tty disabling character.
  80  */
  81 #ifndef _POSIX_VDISABLE
  82 #define _POSIX_VDISABLE 0               /* Some systems used 0. */
  83 #endif
  84
  85 /*
  86  * XXX
  87  * 4.4BSD extension to only set the software termios bits.
  88  */
  89 #ifndef TCSASOFT                        /* 4.4BSD extension. */
  90 #define TCSASOFT        0
  91 #endif
  92
  93 /*
  94  * XXX
  95  * POSIX 1003.1 maximum path length.
  96  */
  97 #ifndef MAXPATHLEN
  98 #ifdef PATH_MAX
  99 #define MAXPATHLEN      PATH_MAX
 100 #else
 101 #define MAXPATHLEN      1024
 102 #endif
 103 #endif
 104
 105 /*
 106  * XXX
 107  * MIN, MAX, historically in <sys/param.h>
 108  */
 109 #ifndef MAX
 110 #define MAX(_a,_b)      ((_a)<(_b)?(_b):(_a))
 111 #endif
 112 #ifndef MIN
 113 #define MIN(_a,_b)      ((_a)<(_b)?(_a):(_b))
 114 #endif
 115
 116 /*
 117  * XXX
 118  * "DB" isn't always portable, and we want the private information.
 119  */
 120 #define DB      L__DB
 121 #undef  pgno_t                  /* IRIX has its own version. */
 122 #define pgno_t  L__db_pgno_t
 123
 124 /*
 125  * XXX
 126  * 4.4BSD extension to provide lock values in the open(2) call.
 127  */
 128 #ifndef O_EXLOCK
 129 #define O_EXLOCK        0
 130 #endif
 131
 132 #ifndef O_SHLOCK
 133 #define O_SHLOCK        0
 134 #endif
 135
 136 /*
 137  * XXX
 138  * POSIX 1003.1 bad file format errno.
 139  */
 140 #ifndef EFTYPE
 141 #define EFTYPE          EINVAL
 142 #endif
 143
 144 /*
 145  * XXX
 146  * POSIX 1003.2 RE length limit.
 147  */
 148 #ifndef _POSIX2_RE_DUP_MAX
 149 #define _POSIX2_RE_DUP_MAX      255
 150 #endif
 151
 152 /*
 153  * XXX
 154  * 4.4BSD extension to determine if a program dropped core from the exit
 155  * status.
 156  */
 157 #ifndef WCOREDUMP
 158 #define WCOREDUMP(a)    0
 159 #endif
 160
 161 /*
 162  * XXX
 163  * Endian-ness of the machine.
 164  */
 165 #if !defined(LITTLE_ENDIAN)
 166 #define LITTLE_ENDIAN   1234
 167 #endif
 168 #if !defined(BIG_ENDIAN)
 169 #define BIG_ENDIAN      4321
 170 #endif
 171 #if !defined(BYTE_ORDER)
 172 #if WORDS_BIGENDIAN == 1
 173 #define BYTE_ORDER      BIG_ENDIAN
 174 #else
 175 #define BYTE_ORDER      LITTLE_ENDIAN
 176 #endif
 177 #endif