lib/modetype.h

   1 /* modetype.h -- file type bits definitions for POSIX systems
   2    Requires sys/types.h sys/stat.h.
   3    Copyright (C) 1990 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2, or (at your option)
   8    any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 9 Temple Place - Suite 330, Boston, MA 02111-1307,
  18    USA.
  19 */
  20
  21 /* POSIX.1 doesn't mention the S_IFMT bits; instead, it uses S_IStype
  22    test macros.  To make storing file types more convenient, define
  23    them; the values don't need to correspond to what the kernel uses,
  24    because of the way we use them. */
  25 #ifndef S_IFMT                  /* Doesn't have traditional Unix macros. */
  26 #define S_IFBLK 1
  27 #define S_IFCHR 2
  28 #define S_IFDIR 4
  29 #define S_IFREG 8
  30 #ifdef S_ISLNK
  31 #define S_IFLNK 16
  32 #endif
  33 #ifdef S_ISFIFO
  34 #define S_IFIFO 32
  35 #endif
  36 #ifdef S_ISSOCK
  37 #define S_IFSOCK 64
  38 #endif
  39 #ifdef S_ISDOOR
  40 #define S_IFDOOR 128
  41 #endif
  42 #endif /* !S_IFMT */
  43
  44 #ifdef STAT_MACROS_BROKEN
  45 #undef S_ISBLK
  46 #undef S_ISCHR
  47 #undef S_ISDIR
  48 #undef S_ISREG
  49 #undef S_ISFIFO
  50 #undef S_ISLNK
  51 #undef S_ISSOCK
  52 #undef S_ISDOOR
  53 #undef S_ISMPB
  54 #undef S_ISMPC
  55 #undef S_ISNWK
  56 #endif
  57
  58 /* Do the reverse: define the POSIX.1 macros for traditional Unix systems
  59    that don't have them.  */
  60 #if !defined(S_ISBLK) && defined(S_IFBLK)
  61 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
  62 #endif
  63 #if !defined(S_ISCHR) && defined(S_IFCHR)
  64 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
  65 #endif
  66 #if !defined(S_ISDIR) && defined(S_IFDIR)
  67 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  68 #endif
  69 #if !defined(S_ISREG) && defined(S_IFREG)
  70 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
  71 #endif
  72 #if !defined(S_ISFIFO) && defined(S_IFIFO)
  73 #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
  74 #endif
  75 #if !defined(S_ISLNK) && defined(S_IFLNK)
  76 #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
  77 #endif
  78 #if !defined(S_ISSOCK) && defined(S_IFSOCK)
  79 #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
  80 #endif
  81 #if !defined(S_ISDOOR) && defined(S_IFDOOR)
  82 #define S_ISDOOR(m) (((m) & S_IFMT) == S_IFDOOR)
  83 #endif
  84 #if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
  85 #define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
  86 #define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
  87 #endif
  88 #if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
  89 #define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
  90 #endif