kc3-lang/gnulib/lib/acl.c

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• Hash : 359c0a71
  Author :
  Date : 2005-06-02T20:41:04
  

  Sync from coreutils.
  Use "file name" when talking about file names, instead of "filename"
  or "path", as per the GNU coding standards.
  
  * MODULES.html.sh: mkdir-p renamed from makepath.
  filenamecat renamed from path-concat.
  * modules/filenamecat: Renamed from modules/path-concat.
  (Files): filenamecat.h and filenamecat.c renamed from
  path-concat.h and path-concat.c.
  (configure.ac): gl_FILE_NAME_CONCAT, not gl_PATH_CONCAT.
  (Include): filenamecat.h, not path-concat.h.
  * modules/mkdir-p: Renamed from modules/makepath.
  (Files): mkdir-p.h and mkdir-p.c renamed from makepath.h and makepath.c.
  (configure.ac): gl_MKDIR_PARENTS, not gl_MAKEPATH.
  (Include): mkdir-p.h, not makepath.h.
  * lib/mkdir-p.c: Renamed from makepath.c.
  (make_dir_parents): Renamed from make_path.  All callers changed.
  * lib/mkdir-p.h: Likewise.  All includers changed.
  * lib/filenamecat.c: Renamed from path-concat.c.
  (file_name_concat): Renamed from path_concat.  All callers changed.
  [TEST_FILE_NAME_CONCAT]: Renamed from TEST_PATH_CONCAT.
  * lib/filenamecat.h: Likewise.  All includers changed.
  * lib/acl.c: Don't use "path" or "filename" to mean "file name"
  in comments or local variable names.
  * lib/basename.c: Likewise.
  * lib/canonicalize.c, canonicalize.h: Likewise.
  * lib/dirname.c, dirname.h: Likewise.
  * lib/euidaccess.c: Likewise.
  * lib/exclude.c: Likewise
  * lib/fnmatch_.h, fnmatch_loop.c: Likewise.
  * lib/fsusage.c, fsuage.h: Likewise.
  * lib/fts.c, fts_.h: Likewise.
  * lib/getcwd.c: Likewise.
  * lib/getloadavg.c: Likewise.
  * lib/mkstemp.c: Likewise.
  * lib/mountlist.c, mountlist.h: Likewise.
  * lib/openat.c, openat.h: Likewise.
  * lib/readlink-stub.c: Likewise.
  * lib/readutmp.c, readutmp.h: Likewise.
  * lib/rename.c: Likewise.
  * lib/rmdir.c: Likewise.
  * lib/same.c: Likewise.
  * lib/savedir.c: Likewise.
  * lib/stripslash.c: Likewise.
  * lib/tempname.c: Likewise.
  * lib/xreadlink.c: Likewise.
  * lib/exclude.c (excluded_file_name): Renamed from excluded_filename.
  All uses changed.
  * lib/exclude.h: Likewise.
  * m4/mkdir-p.m4: Renamed from makepath.m4.
  (gl_MKDIR_PARENTS): Renamed from gl_MAKEPATH.  All uses changed.
  Rename files from makepath.c to mkdir-p.c, and from
  makepath.h to mkdir-p.h.
  * m4/filenamecat.m4: Renamed from path-concat.m4.
  (gl_FILE_NAME_CONCAT): Renamed from gl_PATH_CONCAT.  All uses changed.
  Rename files from path-concat.c to filenamecat.c,
  and from path-concat.h to filenamecat.h.
  * m4/getcwd-path-max.m4: Don't use "path" or "filename" to mean
  "file name" in local variables or comments.
  * rename.m4: Likewise.
  
  * lib/euidaccess.c (getuid, getgid, getuid, getegid)
  [!defined _POSIX_VERSION]: Remove decls; not needed these days.
  * lib/idcache.c (getpwuid, getpwnam, getgrgid, getgrnam)
  [!defined _POSIX_VERSION]: Remove decls; not needed these days.
  * lib/pathmax.h: Include <limits.h> unconditionally, since other
  files have been getting away with it for years (MORE/BSD 4.3
  is extinct now).
  * lib/userspec.c (getpwnam, getgrnam, getgrgid)
  [!defined _POSIX_VERSION]: Remove decls; not needed these days.
  
  * lib/pathmax.h (_POSIX_PATH_MAX) [!defined _POSIX_PATH_MAX]:
  Define to 256, not 255, as per modern POSIX.
  

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• lib/acl.c

• /* acl.c - access control lists
  
     Copyright (C) 2002, 2003, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  
     Written by Paul Eggert.  */
  
  #if HAVE_CONFIG_H
  # include <config.h>
  #endif
  
  #include <sys/types.h>
  #include <sys/stat.h>
  #ifndef S_ISLNK
  # define S_ISLNK(Mode) 0
  #endif
  
  #include "acl.h"
  
  #include <errno.h>
  #ifndef ENOSYS
  # define ENOSYS (-1)
  #endif
  
  #ifndef MIN_ACL_ENTRIES
  # define MIN_ACL_ENTRIES 4
  #endif
  
  /* Return 1 if FILE has a nontrivial access control list, 0 if not,
     and -1 (setting errno) if an error is encountered.  */
  
  int
  file_has_acl (char const *file, struct stat const *filestat)
  {
    /* FIXME: This implementation should work on recent-enough versions
       of HP-UX, Solaris, and Unixware, but it simply returns 0 with
       POSIX 1003.1e (draft 17 -- abandoned), AIX, GNU/Linux, Irix, and
       Tru64.  Please see Samba's source/lib/sysacls.c file for
       fix-related ideas.  */
  
  #if HAVE_ACL && defined GETACLCNT
    if (! S_ISLNK (filestat->st_mode))
      {
        int n = acl (file, GETACLCNT, 0, NULL);
        return n < 0 ? (errno == ENOSYS ? 0 : -1) : (MIN_ACL_ENTRIES < n);
      }
  #endif
  
    return 0;
  }
  

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