mirror of
git://git.sv.gnu.org/coreutils.git
synced 2026-02-19 22:02:21 +02:00
c1e3742914
Don't assume the traditional Unix values for mode bits. (S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH): Define if not defined. <config.h>, <sys/types.h>: Include for mode_t. (mode_string): Now takes mode_t.
283 lines
6.6 KiB
C
283 lines
6.6 KiB
C
/* filemode.c -- make a string describing file modes
|
||
Copyright (C) 1985, 1990, 1993, 1998, 1999 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 2, 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, write to the Free Software Foundation,
|
||
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
||
#if HAVE_CONFIG_H
|
||
# include <config.h>
|
||
#endif
|
||
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>
|
||
|
||
#include "filemode.h"
|
||
|
||
#if !S_IRUSR
|
||
# if S_IREAD
|
||
# define S_IRUSR S_IREAD
|
||
# else
|
||
# define S_IRUSR 00400
|
||
# endif
|
||
#endif
|
||
|
||
#if !S_IWUSR
|
||
# if S_IWRITE
|
||
# define S_IWUSR S_IWRITE
|
||
# else
|
||
# define S_IWUSR 00200
|
||
# endif
|
||
#endif
|
||
|
||
#if !S_IXUSR
|
||
# if S_IEXEC
|
||
# define S_IXUSR S_IEXEC
|
||
# else
|
||
# define S_IXUSR 00100
|
||
# endif
|
||
#endif
|
||
|
||
#if !S_IRGRP
|
||
# define S_IRGRP (S_IRUSR >> 3)
|
||
#endif
|
||
#if !S_IWGRP
|
||
# define S_IWGRP (S_IWUSR >> 3)
|
||
#endif
|
||
#if !S_IXGRP
|
||
# define S_IXGRP (S_IXUSR >> 3)
|
||
#endif
|
||
#if !S_IROTH
|
||
# define S_IROTH (S_IRUSR >> 6)
|
||
#endif
|
||
#if !S_IWOTH
|
||
# define S_IWOTH (S_IWUSR >> 6)
|
||
#endif
|
||
#if !S_IXOTH
|
||
# define S_IXOTH (S_IXUSR >> 6)
|
||
#endif
|
||
|
||
#ifdef STAT_MACROS_BROKEN
|
||
# undef S_ISBLK
|
||
# undef S_ISCHR
|
||
# undef S_ISDIR
|
||
# undef S_ISFIFO
|
||
# undef S_ISLNK
|
||
# undef S_ISMPB
|
||
# undef S_ISMPC
|
||
# undef S_ISNWK
|
||
# undef S_ISREG
|
||
# undef S_ISSOCK
|
||
#endif /* STAT_MACROS_BROKEN. */
|
||
|
||
#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_ISMPB) && defined(S_IFMPB) /* V7 */
|
||
# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
|
||
# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
|
||
#endif
|
||
#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
|
||
# define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
|
||
#endif
|
||
#if !defined(S_ISDOOR) && defined(S_IFDOOR) /* Solaris 2.5 and up */
|
||
# define S_ISDOOR(m) (((m) & S_IFMT) == S_IFDOOR)
|
||
#endif
|
||
|
||
/* Set the 's' and 't' flags in file attributes string CHARS,
|
||
according to the file mode BITS. */
|
||
|
||
static void
|
||
setst (mode_t bits, char *chars)
|
||
{
|
||
#ifdef S_ISUID
|
||
if (bits & S_ISUID)
|
||
{
|
||
if (chars[3] != 'x')
|
||
/* Set-uid, but not executable by owner. */
|
||
chars[3] = 'S';
|
||
else
|
||
chars[3] = 's';
|
||
}
|
||
#endif
|
||
#ifdef S_ISGID
|
||
if (bits & S_ISGID)
|
||
{
|
||
if (chars[6] != 'x')
|
||
/* Set-gid, but not executable by group. */
|
||
chars[6] = 'S';
|
||
else
|
||
chars[6] = 's';
|
||
}
|
||
#endif
|
||
#ifdef S_ISVTX
|
||
if (bits & S_ISVTX)
|
||
{
|
||
if (chars[9] != 'x')
|
||
/* Sticky, but not executable by others. */
|
||
chars[9] = 'T';
|
||
else
|
||
chars[9] = 't';
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/* Return a character indicating the type of file described by
|
||
file mode BITS:
|
||
'd' for directories
|
||
'D' for doors
|
||
'b' for block special files
|
||
'c' for character special files
|
||
'm' for multiplexor files
|
||
'M' for an off-line (regular) file
|
||
'l' for symbolic links
|
||
's' for sockets
|
||
'p' for fifos
|
||
'-' for regular files
|
||
'?' for any other file type. */
|
||
|
||
static char
|
||
ftypelet (mode_t bits)
|
||
{
|
||
#ifdef S_ISBLK
|
||
if (S_ISBLK (bits))
|
||
return 'b';
|
||
#endif
|
||
if (S_ISCHR (bits))
|
||
return 'c';
|
||
if (S_ISDIR (bits))
|
||
return 'd';
|
||
if (S_ISREG (bits))
|
||
return '-';
|
||
#ifdef S_ISFIFO
|
||
if (S_ISFIFO (bits))
|
||
return 'p';
|
||
#endif
|
||
#ifdef S_ISLNK
|
||
if (S_ISLNK (bits))
|
||
return 'l';
|
||
#endif
|
||
#ifdef S_ISSOCK
|
||
if (S_ISSOCK (bits))
|
||
return 's';
|
||
#endif
|
||
#ifdef S_ISMPC
|
||
if (S_ISMPC (bits))
|
||
return 'm';
|
||
#endif
|
||
#ifdef S_ISNWK
|
||
if (S_ISNWK (bits))
|
||
return 'n';
|
||
#endif
|
||
#ifdef S_ISDOOR
|
||
if (S_ISDOOR (bits))
|
||
return 'D';
|
||
#endif
|
||
|
||
/* The following two tests are for Cray DMF (Data Migration
|
||
Facility), which is a HSM file system. A migrated file has a
|
||
`st_dm_mode' that is different from the normal `st_mode', so any
|
||
tests for migrated files should use the former. */
|
||
|
||
#ifdef S_ISOFD
|
||
if (S_ISOFD (bits))
|
||
/* off line, with data */
|
||
return 'M';
|
||
#endif
|
||
#ifdef S_ISOFL
|
||
/* off line, with no data */
|
||
if (S_ISOFL (bits))
|
||
return 'M';
|
||
#endif
|
||
return '?';
|
||
}
|
||
|
||
/* Like filemodestring, but only the relevant part of the `struct stat'
|
||
is given as an argument. */
|
||
|
||
void
|
||
mode_string (mode_t mode, char *str)
|
||
{
|
||
str[0] = ftypelet (mode);
|
||
str[1] = mode & S_IRUSR ? 'r' : '-';
|
||
str[2] = mode & S_IWUSR ? 'w' : '-';
|
||
str[3] = mode & S_IXUSR ? 'x' : '-';
|
||
str[4] = mode & S_IRGRP ? 'r' : '-';
|
||
str[5] = mode & S_IWGRP ? 'w' : '-';
|
||
str[6] = mode & S_IXGRP ? 'x' : '-';
|
||
str[7] = mode & S_IROTH ? 'r' : '-';
|
||
str[8] = mode & S_IWOTH ? 'w' : '-';
|
||
str[9] = mode & S_IXOTH ? 'x' : '-';
|
||
setst (mode, str);
|
||
}
|
||
|
||
/* filemodestring - fill in string STR with an ls-style ASCII
|
||
representation of the st_mode field of file stats block STATP.
|
||
10 characters are stored in STR; no terminating null is added.
|
||
The characters stored in STR are:
|
||
|
||
0 File type. 'd' for directory, 'c' for character
|
||
special, 'b' for block special, 'm' for multiplex,
|
||
'l' for symbolic link, 's' for socket, 'p' for fifo,
|
||
'-' for regular, '?' for any other file type
|
||
|
||
1 'r' if the owner may read, '-' otherwise.
|
||
|
||
2 'w' if the owner may write, '-' otherwise.
|
||
|
||
3 'x' if the owner may execute, 's' if the file is
|
||
set-user-id, '-' otherwise.
|
||
'S' if the file is set-user-id, but the execute
|
||
bit isn't set.
|
||
|
||
4 'r' if group members may read, '-' otherwise.
|
||
|
||
5 'w' if group members may write, '-' otherwise.
|
||
|
||
6 'x' if group members may execute, 's' if the file is
|
||
set-group-id, '-' otherwise.
|
||
'S' if it is set-group-id but not executable.
|
||
|
||
7 'r' if any user may read, '-' otherwise.
|
||
|
||
8 'w' if any user may write, '-' otherwise.
|
||
|
||
9 'x' if any user may execute, 't' if the file is "sticky"
|
||
(will be retained in swap space after execution), '-'
|
||
otherwise.
|
||
'T' if the file is sticky but not executable. */
|
||
|
||
void
|
||
filemodestring (struct stat *statp, char *str)
|
||
{
|
||
mode_string (statp->st_mode, str);
|
||
}
|