src/client/fuse/op_utime.c

   1 /* $Id$
   2  * Client fuse interface operation "utime" 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-file.h>
  26 #include <sys/stat.h>
  27 #include <captive/macros.h>
  28 #include <time.h>
  29
  30 #include "op_utime.h"   /* self */
  31 #include "main.h"
  32 #include "gnomevfsresult.h"
  33 #include "gnomevfsfileinfo.h"
  34
  35
  36 int op_utime(const char *path,struct utimbuf *buf)
  37 {
  38 CaptiveFileObject *captive_file_object;
  39 GnomeVFSResult errvfsresult;
  40 GnomeVFSFileInfo file_info;
  41
  42         g_return_val_if_fail(path!=NULL,-EINVAL);
  43         g_return_val_if_fail(buf!=NULL,-EINVAL);
  44         g_return_val_if_fail(buf->actime!=0,-EINVAL);
  45         g_return_val_if_fail(buf->modtime!=0,-EINVAL);
  46
  47         if (GNOME_VFS_OK!=(errvfsresult=captive_file_new_open(&captive_file_object,capfuse_captive_vfs_object,path,
  48                         GNOME_VFS_OPEN_WRITE|GNOME_VFS_OPEN_RANDOM)))
  49                 return -gnomevfsresult_to_errno(errvfsresult);
  50
  51         file_info.valid_fields=0
  52                         |GNOME_VFS_FILE_INFO_FIELDS_ATIME
  53                         |GNOME_VFS_FILE_INFO_FIELDS_MTIME
  54                         |GNOME_VFS_FILE_INFO_FIELDS_CTIME;
  55         file_info.atime=buf->actime;
  56         file_info.mtime=buf->modtime;
  57         file_info.ctime=time(NULL);
  58         /* Do not:  * It is probably not GnomeVFS compliant but still libcaptive compatible.
  59          *          * GnomeVFS looks as assuming all the three fields set.
  60          *          * GnomeVFS also does not check 'valid_fields' at all.
  61          *         file_info.ctime=0;   * Just sanity for sure. *
  62          *         file_info.valid_fields&=~GNOME_VFS_FILE_INFO_FIELDS_CTIME;
  63          * as utime() syscall should really update 'ctime' to the current time.
  64          */
  65         errvfsresult=captive_file_file_info_set(captive_file_object,&file_info,GNOME_VFS_SET_FILE_INFO_TIME);
  66
  67         g_object_unref(captive_file_object);
  68         if (GNOME_VFS_OK!=errvfsresult)
  69                 return -gnomevfsresult_to_errno(errvfsresult);
  70
  71         return 0;
  72 }