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
   7    The Free Software Foundation, Inc.
   8
   9    Author:
  10    Janne Kukonlehto
  11    Miguel de Icaza
  12
  13    This file is part of the Midnight Commander.
  14
  15    The Midnight Commander is free software: you can redistribute it
  16    and/or modify it under the terms of the GNU General Public License as
  17    published by the Free Software Foundation, either version 3 of the License,
  18    or (at your option) any later version.
  19
  20    The Midnight Commander is distributed in the hope that it will be useful,
  21    but WITHOUT ANY WARRANTY; without even the implied warranty of
  22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23    GNU General Public License for more details.
  24
  25    You should have received a copy of the GNU General Public License
  26    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  27  */
  28
  29
  30 /** \file  filenot.c
  31  *  \brief Source: wrapper for routines to notify the
  32  *  tree about the changes made to the directory
  33  *  structure.
  34  */
  35
  36 #include <config.h>
  37
  38 #include <errno.h>
  39 #include <string.h>
  40
  41 #include "lib/global.h"
  42 #include "lib/fs.h"
  43 #include "lib/util.h"
  44 #include "lib/vfs/vfs.h"
  45
  46 #include "filenot.h"
  47
  48 /*** global variables ****************************************************************************/
  49
  50 /*** file scope macro definitions ****************************************************************/
  51
  52 /*** file scope type declarations ****************************************************************/
  53
  54 /*** file scope variables ************************************************************************/
  55
  56 /*** file scope functions ************************************************************************/
  57 /* --------------------------------------------------------------------------------------------- */
  58
  59 static vfs_path_t *
  60 get_absolute_name (const vfs_path_t * vpath)
  61 {
  62     if (vpath == NULL)
  63         return NULL;
  64
  65     if (*(vfs_path_get_by_index (vpath, 0)->path) == PATH_SEP)
  66         return vfs_path_clone (vpath);
  67
  68     return vfs_path_append_vpath_new (vfs_get_raw_current_dir (), vpath, NULL);
  69 }
  70
  71 /* --------------------------------------------------------------------------------------------- */
  72
  73 static int
  74 my_mkdir_rec (char *s, mode_t mode)
  75 {
  76     char *p, *q;
  77     int result;
  78     vfs_path_t *s_vpath;
  79
  80     s_vpath = vfs_path_from_str (s);
  81     if (mc_mkdir (s_vpath, mode) == 0)
  82     {
  83         vfs_path_free (s_vpath);
  84         return 0;
  85     }
  86     else if (errno != ENOENT)
  87     {
  88         vfs_path_free (s_vpath);
  89         return -1;
  90     }
  91
  92     /* FIXME: should check instead if s is at the root of that filesystem */
  93     {
  94         if (!vfs_file_is_local (s_vpath))
  95         {
  96             vfs_path_free (s_vpath);
  97             return -1;
  98         }
  99     }
 100
 101     if (!strcmp (s, PATH_SEP_STR))
 102     {
 103         errno = ENOTDIR;
 104         vfs_path_free (s_vpath);
 105         return -1;
 106     }
 107
 108     p = mc_build_filename (s, "..", NULL);
 109     {
 110         vfs_path_t *vpath;
 111
 112         vpath = vfs_path_from_str (p);
 113         q = vfs_path_to_str (vpath);
 114         vfs_path_free (vpath);
 115     }
 116     g_free (p);
 117
 118     result = my_mkdir_rec (q, mode);
 119     if (result == 0)
 120         result = mc_mkdir (s_vpath, mode);
 121
 122     vfs_path_free (s_vpath);
 123     g_free (q);
 124     return result;
 125 }
 126
 127 /* --------------------------------------------------------------------------------------------- */
 128 /*** public functions ****************************************************************************/
 129 /* --------------------------------------------------------------------------------------------- */
 130
 131 int
 132 my_mkdir (const vfs_path_t * s_vpath, mode_t mode)
 133 {
 134     int result;
 135
 136     result = mc_mkdir (s_vpath, mode);
 137
 138     if (result != 0)
 139     {
 140         char *p;
 141
 142         p = vfs_path_to_str (s_vpath);
 143         result = my_mkdir_rec (p, mode);
 144         g_free (p);
 145     }
 146     if (result == 0)
 147     {
 148         vfs_path_t *my_s;
 149
 150         my_s = get_absolute_name (s_vpath);
 151 #ifdef FIXME
 152         tree_add_entry (tree, my_s);
 153 #endif
 154         vfs_path_free (my_s);
 155     }
 156     return result;
 157 }
 158
 159 /* --------------------------------------------------------------------------------------------- */
 160
 161 int
 162 my_rmdir (const char *s)
 163 {
 164     int result;
 165     vfs_path_t *vpath;
 166 #ifdef FIXME
 167     WTree *tree = 0;
 168 #endif
 169
 170     vpath = vfs_path_from_str_flags (s, VPF_NO_CANON);
 171     /* FIXME: Should receive a Wtree! */
 172     result = mc_rmdir (vpath);
 173     if (result == 0)
 174     {
 175         vfs_path_t *my_s;
 176
 177         my_s = get_absolute_name (vpath);
 178 #ifdef FIXME
 179         tree_remove_entry (tree, my_s);
 180 #endif
 181         vfs_path_free (my_s);
 182     }
 183     vfs_path_free (vpath);
 184     return result;
 185 }
 186
 187 /* --------------------------------------------------------------------------------------------- */