include/posixstat.h

   1 /* posixstat.h -- Posix stat(2) definitions for systems that
   2    don't have them. */
   3
   4 /* Copyright (C) 1987,1991 Free Software Foundation, Inc.
   5
   6    This file is part of GNU Bash, the Bourne Again SHell.
   7
   8    Bash is free software: you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation, either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    Bash is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 /* This file should be included instead of <sys/stat.h>.
  23    It relies on the local sys/stat.h to work though. */
  24 #if !defined (_POSIXSTAT_H_)
  25 #define _POSIXSTAT_H_
  26
  27 #include <sys/stat.h>
  28
  29 #if defined (STAT_MACROS_BROKEN)
  30 #  undef S_ISBLK
  31 #  undef S_ISCHR
  32 #  undef S_ISDIR
  33 #  undef S_ISFIFO
  34 #  undef S_ISREG
  35 #  undef S_ISLNK
  36 #endif /* STAT_MACROS_BROKEN */
  37
  38 /* These are guaranteed to work only on isc386 */
  39 #if !defined (S_IFDIR) && !defined (S_ISDIR)
  40 #  define S_IFDIR 0040000
  41 #endif /* !S_IFDIR && !S_ISDIR */
  42 #if !defined (S_IFMT)
  43 #  define S_IFMT  0170000
  44 #endif /* !S_IFMT */
  45
  46 /* Posix 1003.1 5.6.1.1 <sys/stat.h> file types */
  47
  48 /* Some Posix-wannabe systems define _S_IF* macros instead of S_IF*, but
  49    do not provide the S_IS* macros that Posix requires. */
  50
  51 #if defined (_S_IFMT) && !defined (S_IFMT)
  52 #define S_IFMT _S_IFMT
  53 #endif
  54 #if defined (_S_IFIFO) && !defined (S_IFIFO)
  55 #define S_IFIFO _S_IFIFO
  56 #endif
  57 #if defined (_S_IFCHR) && !defined (S_IFCHR)
  58 #define S_IFCHR _S_IFCHR
  59 #endif
  60 #if defined (_S_IFDIR) && !defined (S_IFDIR)
  61 #define S_IFDIR _S_IFDIR
  62 #endif
  63 #if defined (_S_IFBLK) && !defined (S_IFBLK)
  64 #define S_IFBLK _S_IFBLK
  65 #endif
  66 #if defined (_S_IFREG) && !defined (S_IFREG)
  67 #define S_IFREG _S_IFREG
  68 #endif
  69 #if defined (_S_IFLNK) && !defined (S_IFLNK)
  70 #define S_IFLNK _S_IFLNK
  71 #endif
  72 #if defined (_S_IFSOCK) && !defined (S_IFSOCK)
  73 #define S_IFSOCK _S_IFSOCK
  74 #endif
  75
  76 /* Test for each symbol individually and define the ones necessary (some
  77    systems claiming Posix compatibility define some but not all). */
  78
  79 #if defined (S_IFBLK) && !defined (S_ISBLK)
  80 #define S_ISBLK(m)      (((m)&S_IFMT) == S_IFBLK)       /* block device */
  81 #endif
  82
  83 #if defined (S_IFCHR) && !defined (S_ISCHR)
  84 #define S_ISCHR(m)      (((m)&S_IFMT) == S_IFCHR)       /* character device */
  85 #endif
  86
  87 #if defined (S_IFDIR) && !defined (S_ISDIR)
  88 #define S_ISDIR(m)      (((m)&S_IFMT) == S_IFDIR)       /* directory */
  89 #endif
  90
  91 #if defined (S_IFREG) && !defined (S_ISREG)
  92 #define S_ISREG(m)      (((m)&S_IFMT) == S_IFREG)       /* file */
  93 #endif
  94
  95 #if defined (S_IFIFO) && !defined (S_ISFIFO)
  96 #define S_ISFIFO(m)     (((m)&S_IFMT) == S_IFIFO)       /* fifo - named pipe */
  97 #endif
  98
  99 #if defined (S_IFLNK) && !defined (S_ISLNK)
 100 #define S_ISLNK(m)      (((m)&S_IFMT) == S_IFLNK)       /* symbolic link */
 101 #endif
 102
 103 #if defined (S_IFSOCK) && !defined (S_ISSOCK)
 104 #define S_ISSOCK(m)     (((m)&S_IFMT) == S_IFSOCK)      /* socket */
 105 #endif
 106
 107 /*
 108  * POSIX 1003.1 5.6.1.2 <sys/stat.h> File Modes
 109  */
 110
 111 #if !defined (S_IRWXU)
 112 #  if !defined (S_IREAD)
 113 #    define S_IREAD     00400
 114 #    define S_IWRITE    00200
 115 #    define S_IEXEC     00100
 116 #  endif /* S_IREAD */
 117
 118 #  if !defined (S_IRUSR)
 119 #    define S_IRUSR     S_IREAD                 /* read, owner */
 120 #    define S_IWUSR     S_IWRITE                /* write, owner */
 121 #    define S_IXUSR     S_IEXEC                 /* execute, owner */
 122
 123 #    define S_IRGRP     (S_IREAD  >> 3)         /* read, group */
 124 #    define S_IWGRP     (S_IWRITE >> 3)         /* write, group */
 125 #    define S_IXGRP     (S_IEXEC  >> 3)         /* execute, group */
 126
 127 #    define S_IROTH     (S_IREAD  >> 6)         /* read, other */
 128 #    define S_IWOTH     (S_IWRITE >> 6)         /* write, other */
 129 #    define S_IXOTH     (S_IEXEC  >> 6)         /* execute, other */
 130 #  endif /* !S_IRUSR */
 131
 132 #  define S_IRWXU       (S_IRUSR | S_IWUSR | S_IXUSR)
 133 #  define S_IRWXG       (S_IRGRP | S_IWGRP | S_IXGRP)
 134 #  define S_IRWXO       (S_IROTH | S_IWOTH | S_IXOTH)
 135 #endif /* !S_IRWXU */
 136
 137 /* These are non-standard, but are used in builtins.c$symbolic_umask() */
 138 #define S_IRUGO         (S_IRUSR | S_IRGRP | S_IROTH)
 139 #define S_IWUGO         (S_IWUSR | S_IWGRP | S_IWOTH)
 140 #define S_IXUGO         (S_IXUSR | S_IXGRP | S_IXOTH)
 141
 142 #endif /* _POSIXSTAT_H_ */