diff options
| author | David E. O'Brien <obrien@FreeBSD.org> | 2009-05-06 05:08:22 +0000 | 
|---|---|---|
| committer | David E. O'Brien <obrien@FreeBSD.org> | 2009-05-06 05:08:22 +0000 | 
| commit | f981ba17eb57c47b57563d24d3d5af3ce3546ed6 (patch) | |
| tree | 7b86247fab4859580384d4292615569126e05a5b /binutils/filemode.c | |
| parent | dbba0970e3d2678fd1d3dacc9bb37d2e8cbb3ca4 (diff) | |
Notes
Diffstat (limited to 'binutils/filemode.c')
| -rw-r--r-- | binutils/filemode.c | 260 | 
1 files changed, 260 insertions, 0 deletions
diff --git a/binutils/filemode.c b/binutils/filemode.c new file mode 100644 index 000000000000..8b438a9a50d3 --- /dev/null +++ b/binutils/filemode.c @@ -0,0 +1,260 @@ +/* filemode.c -- make a string describing file modes +   Copyright 1985, 1990, 1991, 1994, 1995, 1997, 2003 +   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.  */ + +#include "bfd.h" +#include "bucomm.h" + +static char ftypelet (unsigned long); +static void setst (unsigned long, char *); + +/* 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 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.  */ + +#if 0 + +/* This is not used; only mode_string is used.  */ + +void +filemodestring (struct stat *statp, char *str) +{ +  mode_string ((unsigned long) statp->st_mode, str); +} + +#endif + +/* Get definitions for the file permission bits.  */ + +#ifndef S_IRWXU +#define S_IRWXU 0700 +#endif +#ifndef S_IRUSR +#define S_IRUSR 0400 +#endif +#ifndef S_IWUSR +#define S_IWUSR 0200 +#endif +#ifndef S_IXUSR +#define S_IXUSR 0100 +#endif + +#ifndef S_IRWXG +#define S_IRWXG 0070 +#endif +#ifndef S_IRGRP +#define S_IRGRP 0040 +#endif +#ifndef S_IWGRP +#define S_IWGRP 0020 +#endif +#ifndef S_IXGRP +#define S_IXGRP 0010 +#endif + +#ifndef S_IRWXO +#define S_IRWXO 0007 +#endif +#ifndef S_IROTH +#define S_IROTH 0004 +#endif +#ifndef S_IWOTH +#define S_IWOTH 0002 +#endif +#ifndef S_IXOTH +#define S_IXOTH 0001 +#endif + +/* Like filemodestring, but only the relevant part of the `struct stat' +   is given as an argument.  */ + +void +mode_string (unsigned long mode, char *str) +{ +  str[0] = ftypelet ((unsigned long) mode); +  str[1] = (mode & S_IRUSR) != 0 ? 'r' : '-'; +  str[2] = (mode & S_IWUSR) != 0 ? 'w' : '-'; +  str[3] = (mode & S_IXUSR) != 0 ? 'x' : '-'; +  str[4] = (mode & S_IRGRP) != 0 ? 'r' : '-'; +  str[5] = (mode & S_IWGRP) != 0 ? 'w' : '-'; +  str[6] = (mode & S_IXGRP) != 0 ? 'x' : '-'; +  str[7] = (mode & S_IROTH) != 0 ? 'r' : '-'; +  str[8] = (mode & S_IWOTH) != 0 ? 'w' : '-'; +  str[9] = (mode & S_IXOTH) != 0 ? 'x' : '-'; +  setst ((unsigned long) mode, str); +} + +/* Return a character indicating the type of file described by +   file mode BITS: +   'd' for directories +   'b' for block special files +   'c' for character special files +   'm' for multiplexer files +   'l' for symbolic links +   's' for sockets +   'p' for fifos +   '-' for any other file type.  */ + +#ifndef S_ISDIR +#ifdef S_IFDIR +#define S_ISDIR(i) (((i) & S_IFMT) == S_IFDIR) +#else /* ! defined (S_IFDIR) */ +#define S_ISDIR(i) (((i) & 0170000) == 040000) +#endif /* ! defined (S_IFDIR) */ +#endif /* ! defined (S_ISDIR) */ + +#ifndef S_ISBLK +#ifdef S_IFBLK +#define S_ISBLK(i) (((i) & S_IFMT) == S_IFBLK) +#else /* ! defined (S_IFBLK) */ +#define S_ISBLK(i) 0 +#endif /* ! defined (S_IFBLK) */ +#endif /* ! defined (S_ISBLK) */ + +#ifndef S_ISCHR +#ifdef S_IFCHR +#define S_ISCHR(i) (((i) & S_IFMT) == S_IFCHR) +#else /* ! defined (S_IFCHR) */ +#define S_ISCHR(i) 0 +#endif /* ! defined (S_IFCHR) */ +#endif /* ! defined (S_ISCHR) */ + +#ifndef S_ISFIFO +#ifdef S_IFIFO +#define S_ISFIFO(i) (((i) & S_IFMT) == S_IFIFO) +#else /* ! defined (S_IFIFO) */ +#define S_ISFIFO(i) 0 +#endif /* ! defined (S_IFIFO) */ +#endif /* ! defined (S_ISFIFO) */ + +#ifndef S_ISSOCK +#ifdef S_IFSOCK +#define S_ISSOCK(i) (((i) & S_IFMT) == S_IFSOCK) +#else /* ! defined (S_IFSOCK) */ +#define S_ISSOCK(i) 0 +#endif /* ! defined (S_IFSOCK) */ +#endif /* ! defined (S_ISSOCK) */ + +#ifndef S_ISLNK +#ifdef S_IFLNK +#define S_ISLNK(i) (((i) & S_IFMT) == S_IFLNK) +#else /* ! defined (S_IFLNK) */ +#define S_ISLNK(i) 0 +#endif /* ! defined (S_IFLNK) */ +#endif /* ! defined (S_ISLNK) */ + +static char +ftypelet (unsigned long bits) +{ +  if (S_ISDIR (bits)) +    return 'd'; +  if (S_ISLNK (bits)) +    return 'l'; +  if (S_ISBLK (bits)) +    return 'b'; +  if (S_ISCHR (bits)) +    return 'c'; +  if (S_ISSOCK (bits)) +    return 's'; +  if (S_ISFIFO (bits)) +    return 'p'; + +#ifdef S_IFMT +#ifdef S_IFMPC +  if ((bits & S_IFMT) == S_IFMPC +      || (bits & S_IFMT) == S_IFMPB) +    return 'm'; +#endif +#ifdef S_IFNWK +  if ((bits & S_IFMT) == S_IFNWK) +    return 'n'; +#endif +#endif + +  return '-'; +} + +/* Set the 's' and 't' flags in file attributes string CHARS, +   according to the file mode BITS.  */ + +static void +setst (unsigned long bits ATTRIBUTE_UNUSED, char *chars ATTRIBUTE_UNUSED) +{ +#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 +}  | 
