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 "gnomevfsfileinfo.h"
  32
  33
  34 /* int (*fuse_fill_dir_t)(void *buf,const char *name,const struct stat *stbuf,off_t off); */
  35
  36 int op_readdir(const char *path,void *buf,fuse_fill_dir_t fill_dir,off_t off,struct fuse_file_info *fi)
  37 {
  38 CaptiveDirectoryObject *captive_directory_object;
  39 GnomeVFSResult errvfsresult;
  40 GnomeVFSFileInfo file_info;
  41
  42         g_return_val_if_fail(path!=NULL,-EINVAL);
  43         g_return_val_if_fail(fill_dir!=NULL,-EINVAL);
  44         g_return_val_if_fail(fi!=NULL,-EINVAL);
  45
  46         captive_directory_object=(gpointer)fi->fh;
  47         g_return_val_if_fail(CAPTIVE_DIRECTORY_IS_OBJECT(captive_directory_object),-EINVAL);
  48
  49         /* Pre-clear to take care of any fields not touched by libcaptive there. */
  50         CAPTIVE_MEMZERO(&file_info);
  51         gnome_vfs_file_info_clear(&file_info);
  52         while (GNOME_VFS_OK==(errvfsresult=captive_directory_read(
  53                         captive_directory_object,       /* captive_directory_object */
  54                         &file_info))) { /* file_info */
  55 struct stat stat;
  56 int errint;
  57
  58                 if ((errint=gnomevfsfileinfo_to_stat(&stat,&file_info)))
  59                         return errint;
  60                 errint=(*fill_dir)(
  61                                 buf,    /* buf; opaque */
  62                                 file_info.name, /* name */
  63                                 &stat,  /* stbuf */
  64                                 0);     /* off; operation mode 1 - <fuse.h>/(*readdir) */
  65                 gnome_vfs_file_info_clear(&file_info);
  66                 if (errint) {
  67                         /* FIXME: Is it right? Examples do so. */
  68                         break;
  69                         }
  70                 }
  71         if (GNOME_VFS_ERROR_EOF!=errvfsresult)
  72                 return -gnomevfsresult_to_errno(errvfsresult);
  73
  74         return 0;
  75 }