Files
findutils/lib/modetype.h
2007-07-02 08:25:45 +00:00

143 lines
4.6 KiB
C

/* modetype.h -- file type bits definitions for POSIX systems
Requires sys/types.h sys/stat.h.
Copyright (C) 1990, 2007 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* POSIX.1 doesn't mention the S_IFMT bits; instead, it uses S_IStype
test macros. To make storing file types more convenient, define
them; the values don't need to correspond to what the kernel uses,
because of the way we use them. */
#ifndef INC_MODETYPE_H
#define INC_MODETYPE_H 1
#ifndef S_IFMT /* Doesn't have traditional Unix macros. */
#define S_IFBLK 1
#define S_IFCHR 2
#define S_IFDIR 4
#define S_IFREG 8
#ifdef S_ISLNK
#define S_IFLNK 16
#endif
#ifdef S_ISFIFO
#define S_IFIFO 32
#endif
#ifdef S_ISSOCK
#define S_IFSOCK 64
#endif
#ifdef S_ISDOOR
#define S_IFDOOR 128
#endif
#endif /* !S_IFMT */
#ifdef STAT_MACROS_BROKEN
#undef S_ISBLK
#undef S_ISCHR
#undef S_ISDIR
#undef S_ISREG
#undef S_ISFIFO
#undef S_ISLNK
#undef S_ISSOCK
#undef S_ISDOOR
#undef S_ISMPB
#undef S_ISMPC
#undef S_ISNWK
#endif
/* Do the reverse: define the POSIX.1 macros for traditional Unix systems
that don't have them. */
#if !defined(S_ISBLK) && defined(S_IFBLK)
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#endif
#if !defined(S_ISCHR) && defined(S_IFCHR)
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#endif
#if !defined(S_ISDIR) && defined(S_IFDIR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#if !defined(S_ISREG) && defined(S_IFREG)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
#if !defined(S_ISFIFO) && defined(S_IFIFO)
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#endif
#if !defined(S_ISLNK) && defined(S_IFLNK)
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#endif
#if !defined(S_ISSOCK) && defined(S_IFSOCK)
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
#endif
#if !defined(S_ISDOOR) && defined(S_IFDOOR)
#define S_ISDOOR(m) (((m) & S_IFMT) == S_IFDOOR)
#endif
#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
/* Also available on Coherent, according to
* Albert D. Cahalan (acahalan@cs.uml.edu)
*/
#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB) /* multiplexed block device */
#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC) /* multiplexed char device */
/* GNU BFD library source uses type letter 'm' for these */
#endif
#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
/* Apparently HPUX ls gives 'n' as the type letter for these. */
#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
#endif
#endif
/* The above macros don't handle
* /bin/ls letters Mode What is it?
* S_IFNAM (Xenix "name files")
* H S_ISCDF (HPUX Context Dependent Files)
* S_IFCMP
* S_IFSHAD
*/
/*
In message <199907051927.PAA01106@jupiter.cs.uml.edu>
Albert Cahalan wrote:-
BTW, I believe many of these can't actually exist on disk.
Some of these (like S_IFSHAD AFAIK) are not seen by userspace.
hex name ls octal description
0000 000000 SCO out-of-service inode, BSD unknown type
1000 S_IFIFO p| 010000 fifo (named pipe)
2000 S_IFCHR c 020000 character special
3000 S_IFMPC 030000 multiplexed character device (Coherent)
4000 S_IFDIR d/ 040000 directory
5000 S_IFNAM 050000 XENIX special named file
6000 S_IFBLK b 060000 block special
7000 S_IFMPB 070000 multiplexed block device (Coherent)
8000 S_IFREG - 100000 regular
9000 S_IFCMP 110000 VxFS compressed (file?)
9000 S_IFNWK 110000 HP-UX network special
a000 S_IFLNK l@ 120000 symbolic link
b000 S_IFSHAD 130000 Solaris shadow inode for ACL
c000 S_IFSOCK s= 140000 socket (also "S_IFSOC" on VxFS)
d000 S_IFDOOR D 150000 Solaris door
e000 S_IFWHT w% 160000 BSD whiteout (not used for inode)
f000 S_IFMT 170000 mask (not used for inode)
hex name ls octal description
0200 S_ISVTX 001000 save swapped text even after use
0400 S_ISGID 002000 set group ID on execution
0400 S_ENFMT 002000 SysV forced file locking (shared w/ S_ISGID)
0800 S_CDF 004000 HP-UX hidden directory
0800 S_ISUID 004000 set user ID on execution
*/