2 * Client fuse interface operation "read" for libcaptive
3 * Copyright (C) 2005 Jan Kratochvil <project-captive@jankratochvil.net>
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
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.
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
22 #include <glib/gmessages.h>
25 #include <captive/client-file.h>
27 #include "op_read.h" /* self */
29 #include "gnomevfsresult.h"
32 int op_read(const char *path,char *buf,size_t size,off_t off,struct fuse_file_info *fi)
34 CaptiveFileObject *captive_file_object;
35 GnomeVFSResult errvfsresult;
36 GnomeVFSFileSize bytes_read;
38 g_return_val_if_fail(path!=NULL,-EINVAL);
39 g_return_val_if_fail(buf!=NULL,-EINVAL);
40 g_return_val_if_fail(size>0,-EINVAL);
41 g_return_val_if_fail(off>=0,-EINVAL);
42 g_return_val_if_fail(fi!=NULL,-EINVAL);
44 captive_file_object=(gpointer)fi->fh;
45 g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),-EINVAL);
47 if (GNOME_VFS_OK!=(errvfsresult=captive_file_seek(captive_file_object,GNOME_VFS_SEEK_START,off)))
48 return -gnomevfsresult_to_errno(errvfsresult);
50 if (GNOME_VFS_OK!=(errvfsresult=captive_file_read(captive_file_object,buf,size,&bytes_read)))
51 return -gnomevfsresult_to_errno(errvfsresult);