src/chown-core.h

   1 /* chown-core.h -- types and prototypes shared by chown and chgrp.
   2    Copyright (C) 2000 Free Software Foundation.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #ifndef CHOWN_CORE_H
  19 # define CHOWN_CORE_H
  20
  21 enum Change_status
  22 {
  23   CH_NOT_APPLIED = 1,
  24   CH_SUCCEEDED,
  25   CH_FAILED,
  26   CH_NO_CHANGE_REQUESTED
  27 };
  28
  29 enum Verbosity
  30 {
  31   /* Print a message for each file that is processed.  */
  32   V_high,
  33
  34   /* Print a message for each file whose attributes we change.  */
  35   V_changes_only,
  36
  37   /* Do not be verbose.  This is the default. */
  38   V_off
  39 };
  40
  41 enum Dereference_symlink
  42 {
  43   DEREF_UNDEFINED = 1,
  44   DEREF_NEVER,                  /* -P */
  45   DEREF_COMMAND_LINE_ARGUMENTS, /* -H */
  46   DEREF_ALWAYS                  /* -L */
  47 };
  48
  49 struct Chown_option
  50 {
  51   /* Level of verbosity.  */
  52   enum Verbosity verbosity;
  53
  54   /* If nonzero, change the ownership of directories recursively. */
  55   int recurse;
  56
  57   /* This is useful only on systems with support for changing the
  58      ownership of symbolic links.  */
  59   enum Dereference_symlink dereference;
  60
  61   /* If nonzero, force silence (no error messages). */
  62   int force_silent;
  63
  64   /* The name of the user to which ownership of the files is being given. */
  65   char *user_name;
  66
  67   /* The name of the group to which ownership of the files is being given. */
  68   char *group_name;
  69 };
  70
  71 void
  72 chopt_init (struct Chown_option *);
  73
  74 void
  75 chopt_free (struct Chown_option *);
  76
  77 char *
  78 gid_to_name (gid_t);
  79
  80 char *
  81 uid_to_name (uid_t);
  82
  83 int
  84 change_file_owner PARAMS ((int, const char *,
  85                            uid_t, gid_t,
  86                            uid_t, gid_t,
  87                            struct Chown_option const *));
  88
  89 #endif /* CHOWN_CORE_H */