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