src/filemanager/filenot.c

   1 /*
   2    Wrapper for routines to notify the
   3    tree about the changes made to the directory
   4    structure.
   5
   6    Copyright (C) 2011-2018
   7    Free Software Foundation, Inc.
   8
   9    Author:
  10    Janne Kukonlehto
  11    Miguel de Icaza
  12    Slava Zanko <slavazanko@gmail.com>, 2013
  13
  14    This file is part of the Midnight Commander.
  15
  16    The Midnight Commander is free software: you can redistribute it
  17    and/or modify it under the terms of the GNU General Public License as
  18    published by the Free Software Foundation, either version 3 of the License,
  19    or (at your option) any later version.
  20
  21    The Midnight Commander is distributed in the hope that it will be useful,
  22    but WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24    GNU General Public License for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  */
  29
  30
  31 /** \file  filenot.c
  32  *  \brief Source: wrapper for routines to notify the
  33  *  tree about the changes made to the directory
  34  *  structure.
  35  */
  36
  37 #include <config.h>
  38
  39 #include <errno.h>
  40 #include <string.h>
  41
  42 #include "lib/global.h"
  43 #include "lib/fs.h"
  44 #include "lib/util.h"
  45 #include "lib/vfs/vfs.h"
  46
  47 #include "filenot.h"
  48
  49 /*** global variables ****************************************************************************/
  50
  51 /*** file scope macro definitions ****************************************************************/
  52
  53 /*** file scope type declarations ****************************************************************/
  54
  55 /*** file scope variables ************************************************************************/
  56
  57 /*** file scope functions ************************************************************************/
  58 /* --------------------------------------------------------------------------------------------- */
  59
  60 static vfs_path_t *
  61 get_absolute_name (const vfs_path_t * vpath)
  62 {
  63     if (vpath == NULL)
  64         return NULL;
  65
  66     if (IS_PATH_SEP (*vfs_path_get_by_index (vpath, 0)->path))
  67         return vfs_path_clone (vpath);
  68
  69     return vfs_path_append_vpath_new (vfs_get_raw_current_dir (), vpath, NULL);
  70 }
  71
  72 /* --------------------------------------------------------------------------------------------- */
  73
  74 static int
  75 my_mkdir_rec (const vfs_path_t * s_vpath, mode_t mode)
  76 {
  77     vfs_path_t *q;
  78     int result;
  79
  80     if (mc_mkdir (s_vpath, mode) == 0)
  81         return 0;
  82     if (errno != ENOENT)
  83         return (-1);
  84
  85     /* FIXME: should check instead if s_vpath is at the root of that filesystem */
  86     if (!vfs_file_is_local (s_vpath))
  87         return (-1);
  88
  89     if (strcmp (vfs_path_as_str (s_vpath), PATH_SEP_STR) == 0)
  90     {
  91         errno = ENOTDIR;
  92         return (-1);
  93     }
  94
  95     q = vfs_path_append_new (s_vpath, "..", (char *) NULL);
  96     result = my_mkdir_rec (q, mode);
  97     vfs_path_free (q);
  98
  99     if (result == 0)
 100         result = mc_mkdir (s_vpath, mode);
 101
 102     return result;
 103 }
 104
 105 /* --------------------------------------------------------------------------------------------- */
 106 /*** public functions ****************************************************************************/
 107 /* --------------------------------------------------------------------------------------------- */
 108
 109 int
 110 my_mkdir (const vfs_path_t * s_vpath, mode_t mode)
 111 {
 112     int result;
 113
 114     result = my_mkdir_rec (s_vpath, mode);
 115     if (result == 0)
 116     {
 117         vfs_path_t *my_s;
 118
 119         my_s = get_absolute_name (s_vpath);
 120         vfs_path_free (my_s);
 121     }
 122     return result;
 123 }
 124
 125 /* --------------------------------------------------------------------------------------------- */
 126
 127 int
 128 my_rmdir (const char *s)
 129 {
 130     int result;
 131     vfs_path_t *vpath;
 132
 133     vpath = vfs_path_from_str_flags (s, VPF_NO_CANON);
 134     /* FIXME: Should receive a Wtree! */
 135     result = mc_rmdir (vpath);
 136     if (result == 0)
 137     {
 138         vfs_path_t *my_s;
 139
 140         my_s = get_absolute_name (vpath);
 141         vfs_path_free (my_s);
 142     }
 143     vfs_path_free (vpath);
 144     return result;
 145 }
 146
 147 /* --------------------------------------------------------------------------------------------- */