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 #include <captive/client-file-info.h>
  30
  31 #include "op_utime.h"   /* self */
  32 #include "main.h"
  33 #include "gnomevfsresult.h"
  34 #include "capfuse_captive_file_info_object.h"
  35
  36
  37 int op_utime(const char *path,struct utimbuf *buf)
  38 {
  39 CaptiveFileObject *captive_file_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(buf!=NULL,-EINVAL);
  45         g_return_val_if_fail(buf->actime!=0,-EINVAL);
  46         g_return_val_if_fail(buf->modtime!=0,-EINVAL);
  47
  48         if (GNOME_VFS_OK!=(errvfsresult=captive_file_new_open(&captive_file_object,capfuse_captive_vfs_object,path,
  49                         GNOME_VFS_OPEN_WRITE|GNOME_VFS_OPEN_RANDOM)))
  50                 return -gnomevfsresult_to_errno(errvfsresult);
  51
  52         if (GNOME_VFS_OK!=(errvfsresult=captive_file_info_object_new(&captive_file_info_object))) {
  53                 g_object_unref(captive_file_object);
  54                 return -gnomevfsresult_to_errno(errvfsresult);
  55                 }
  56
  57         captive_file_info_object->p.valid_fields=0
  58                         |GNOME_VFS_FILE_INFO_FIELDS_ATIME
  59                         |GNOME_VFS_FILE_INFO_FIELDS_MTIME
  60                         |GNOME_VFS_FILE_INFO_FIELDS_CTIME;
  61         captive_file_info_object->p.atime=buf->actime;
  62         captive_file_info_object->atime_nsec=0;
  63         captive_file_info_object->p.mtime=buf->modtime;
  64         captive_file_info_object->mtime_nsec=0;
  65         capfuse_timespec_split_get(&captive_file_info_object->p.ctime,&captive_file_info_object->ctime_nsec);
  66         /* Do not:  * It is probably not GnomeVFS compliant but still libcaptive compatible.
  67          *          * GnomeVFS looks as assuming all the three fields set.
  68          *          * GnomeVFS also does not check 'valid_fields' at all.
  69          *         captive_file_info_object->p.ctime=0; * Just sanity for sure. *
  70          *         captive_file_info_object->p.valid_fields&=~GNOME_VFS_FILE_INFO_FIELDS_CTIME;
  71          * as utime() syscall should really update 'ctime' to the current time.
  72          */
  73         errvfsresult=captive_file_file_info_set(captive_file_object,captive_file_info_object,GNOME_VFS_SET_FILE_INFO_TIME);
  74
  75         g_object_unref(captive_file_info_object);
  76         g_object_unref(captive_file_object);
  77         if (GNOME_VFS_OK!=errvfsresult)
  78                 return -gnomevfsresult_to_errno(errvfsresult);
  79
  80         return 0;
  81 }