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 /*** global variables ****************************************************************************/
  47
  48 /*** file scope macro definitions ****************************************************************/
  49
  50 /*** file scope type declarations ****************************************************************/
  51
  52 /*** file scope variables ************************************************************************/
  53
  54 /*** file scope functions ************************************************************************/
  55 /* --------------------------------------------------------------------------------------------- */
  56
  57 static char *
  58 get_absolute_name (const char *file)
  59 {
  60     char dir[MC_MAXPATHLEN];
  61
  62     if (file[0] == PATH_SEP)
  63         return g_strdup (file);
  64     mc_get_current_wd (dir, MC_MAXPATHLEN);
  65     return concat_dir_and_file (dir, file);
  66 }
  67
  68 /* --------------------------------------------------------------------------------------------- */
  69
  70 static int
  71 my_mkdir_rec (char *s, mode_t mode)
  72 {
  73     char *p, *q;
  74     int result;
  75     vfs_path_t *s_vpath;
  76
  77     s_vpath = vfs_path_from_str (s);
  78     if (mc_mkdir (s_vpath, mode) == 0)
  79     {
  80         vfs_path_free (s_vpath);
  81         return 0;
  82     }
  83     else if (errno != ENOENT)
  84     {
  85         vfs_path_free (s_vpath);
  86         return -1;
  87     }
  88
  89     /* FIXME: should check instead if s is at the root of that filesystem */
  90     {
  91         if (!vfs_file_is_local (s_vpath))
  92         {
  93             vfs_path_free (s_vpath);
  94             return -1;
  95         }
  96     }
  97
  98     if (!strcmp (s, PATH_SEP_STR))
  99     {
 100         errno = ENOTDIR;
 101         vfs_path_free (s_vpath);
 102         return -1;
 103     }
 104
 105     p = concat_dir_and_file (s, "..");
 106     {
 107         vfs_path_t *vpath;
 108
 109         vpath = vfs_path_from_str (p);
 110         q = vfs_path_to_str (vpath);
 111         vfs_path_free (vpath);
 112     }
 113     g_free (p);
 114
 115     result = my_mkdir_rec (q, mode);
 116     if (result == 0)
 117         result = mc_mkdir (s_vpath, mode);
 118
 119     vfs_path_free (s_vpath);
 120     g_free (q);
 121     return result;
 122 }
 123
 124 /* --------------------------------------------------------------------------------------------- */
 125 /*** public functions ****************************************************************************/
 126 /* --------------------------------------------------------------------------------------------- */
 127
 128 int
 129 my_mkdir (const char *s, mode_t mode)
 130 {
 131     int result;
 132     char *my_s;
 133     vfs_path_t *s_vpath;
 134
 135     s_vpath = vfs_path_from_str (s);
 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         my_s = get_absolute_name (s);
 149
 150 #ifdef FIXME
 151         tree_add_entry (tree, my_s);
 152 #endif
 153
 154         g_free (my_s);
 155     }
 156     vfs_path_free (s_vpath);
 157     return result;
 158 }
 159
 160 /* --------------------------------------------------------------------------------------------- */
 161
 162 int
 163 my_rmdir (const char *s)
 164 {
 165     int result;
 166     char *my_s;
 167     vfs_path_t *vpath;
 168 #ifdef FIXME
 169     WTree *tree = 0;
 170 #endif
 171
 172     vpath = vfs_path_from_str (s);
 173     /* FIXME: Should receive a Wtree! */
 174     result = mc_rmdir (vpath);
 175     if (result == 0)
 176     {
 177         my_s = get_absolute_name (s);
 178
 179 #ifdef FIXME
 180         tree_remove_entry (tree, my_s);
 181 #endif
 182
 183         g_free (my_s);
 184     }
 185     vfs_path_free (vpath);
 186     return result;
 187 }
 188
 189 /* --------------------------------------------------------------------------------------------- */