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kc3-lang/gnulib/lib/set-acl.c

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  • Author : Ondrej Valousek
    Date : 2023-01-17 18:31:18
    Hash : 35e8a0fe
    Message : qset-acl, acl: Improve comments. * lib/qset-acl.c (qset_acl): Improve comments. * lib/set-acl.c (set_acl): Likewise.

  • lib/set-acl.c
  • /* set-acl.c - set access control list equivalent to a mode
    
       Copyright (C) 2002-2003, 2005-2023 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 <https://www.gnu.org/licenses/>.
    
       Written by Paul Eggert and Andreas Gruenbacher, and Bruno Haible.  */
    
    #include <config.h>
    
    #include "acl.h"
    
    #include <errno.h>
    
    #include "quote.h"
    #include "error.h"
    #include "gettext.h"
    #define _(msgid) gettext (msgid)
    
    /* Set the access control lists of a file to match *exactly* MODE (this might
       remove inherited ACLs). Note chmod() tends to honor inherited/default
       ACLs. If DESC is a valid file descriptor, use file descriptor operations
       where available, else use filename based operations on NAME.  If access
       control lists are not available, fchmod the target file to MODE.  Also
       sets the non-permission bits of the destination file
       (S_ISUID, S_ISGID, S_ISVTX) to those from MODE if any are set.
        Return 0 if successful.  On failure, output a diagnostic, set errno and
        return -1.  */
    
    int
    set_acl (char const *name, int desc, mode_t mode)
    {
      int ret = qset_acl (name, desc, mode);
      if (ret != 0)
        error (0, errno, _("setting permissions for %s"), quote (name));
      return ret;
    }