src/client/fuse/op_readdir.c

   1 /* $Id$
   2  * Client fuse interface operation "readdir" for libcaptive
   3  * Copyright (C) 2005 Jan Kratochvil <project-captive@jankratochvil.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; exactly version 2 of June 1991 is required
   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
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include <glib/gmessages.h>
  23 #include <fuse.h>
  24 #include <errno.h>
  25 #include <captive/client-directory.h>
  26 #include <captive/macros.h>
  27
  28 #include "op_readdir.h" /* self */
  29 #include "main.h"
  30 #include "gnomevfsresult.h"
  31 #include "capfuse_captive_file_info_object.h"
  32 #include "utf8.h"
  33
  34
  35 /* int (*fuse_fill_dir_t)(void *buf,const char *name,const struct stat *stbuf,off_t off); */
  36
  37 int op_readdir(const char *path,void *buf,fuse_fill_dir_t fill_dir,off_t off,struct fuse_file_info *fi)
  38 {
  39 CaptiveDirectoryObject *captive_directory_object;
  40 GnomeVFSResult errvfsresult;
  41 CaptiveFileInfoObject *captive_file_info_object;
  42
  43         g_return_val_if_fail(path!=NULL,-EINVAL);
  44         g_return_val_if_fail(fill_dir!=NULL,-EINVAL);
  45         g_return_val_if_fail(fi!=NULL,-EINVAL);
  46
  47         captive_directory_object=(gpointer)fi->fh;
  48         g_return_val_if_fail(CAPTIVE_DIRECTORY_IS_OBJECT(captive_directory_object),-EINVAL);
  49
  50         while (GNOME_VFS_OK==(errvfsresult=captive_directory_read(
  51                         captive_directory_object,       /* captive_directory_object */
  52                         &captive_file_info_object))) {  /* captive_file_info_object */
  53 struct stat stat;
  54 int errint;
  55 char *captive_file_info_object_name;
  56
  57                 errint=capfuse_captive_file_info_object_to_stat(&stat,captive_file_info_object);
  58                 if (errint) {
  59                         g_object_unref(captive_file_info_object);
  60                         return errint;
  61                         }
  62                 captive_file_info_object_name=capfuse_filename_from_utf8_malloc_errorchecking(captive_file_info_object->p.name);
  63                 errint=(*fill_dir)(
  64                                 buf,    /* buf; opaque */
  65                                 (captive_file_info_object_name ? captive_file_info_object_name : captive_file_info_object->p.name),     /* name */
  66                                 &stat,  /* stbuf */
  67                                 0);     /* off; operation mode 1 - <fuse.h>/(*readdir) */
  68                 g_free(captive_file_info_object_name);  /* may be NULL */
  69                 /* WARNING: (*fill_dir) needs: *captive_file_info_object->p.name */
  70                 g_object_unref(captive_file_info_object);
  71                 if (errint) {
  72                         /* FIXME: Is it right? Examples do so. */
  73                         break;
  74                         }
  75                 }
  76         if (GNOME_VFS_ERROR_EOF!=errvfsresult)
  77                 return -gnomevfsresult_to_errno(errvfsresult);
  78
  79         return 0;
  80 }