C++ (Cpp) g_vfs_job_seek_read_set_offset Examples

Example #1

File: gvfsbackendhttp.c Project: GNOME/gvfs

static gboolean
try_seek_on_read (GVfsBackend *backend,
                  GVfsJobSeekRead *job,
                  GVfsBackendHandle handle,
                  goffset    offset,
                  GSeekType  type)
{
  GInputStream    *stream;
  GError          *error = NULL;

  stream = G_INPUT_STREAM (handle);

  if (!g_seekable_seek (G_SEEKABLE (stream), offset, type,
                        G_VFS_JOB (job)->cancellable, &error))
    {
      g_vfs_job_failed_literal (G_VFS_JOB (job),
                                error->domain,
                                error->code,
                                error->message);
      g_error_free (error);
      return FALSE;
    }
  else
    {
      g_vfs_job_seek_read_set_offset (job, g_seekable_tell (G_SEEKABLE (stream)));
      g_vfs_job_succeeded (G_VFS_JOB (job));
    }

  return TRUE;
}

Example #2

File: gvfsbackendtest.c Project: GNOME/gvfs

static void
do_seek_on_read (GVfsBackend *backend,
		 GVfsJobSeekRead *job,
		 GVfsBackendHandle handle,
		 goffset    offset,
		 GSeekType  type)
{
  int whence;
  int fd;
  off_t final_offset;

  g_print ("seek_on_read (%d, %u)\n", (int)offset, type);

  if ((whence = gvfs_seek_type_to_lseek (type)) == -1)
    whence = SEEK_SET;
  
  fd = GPOINTER_TO_INT (handle);

  final_offset = lseek (fd, offset, whence);
  
  if (final_offset == (off_t)-1)
    {
      int errsv = errno;

      g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR,
			g_io_error_from_errno (errsv),
			"Error seeking in file: %s",
			g_strerror (errsv));
    }
  else
    {
      g_vfs_job_seek_read_set_offset (job, offset);
      g_vfs_job_succeeded (G_VFS_JOB (job));
    }
}

Example #3

File: gvfsbackendtrash.c Project: UIKit0/gvfs

static gboolean
trash_backend_seek_on_read (GVfsBackend       *backend,
                            GVfsJobSeekRead   *job,
                            GVfsBackendHandle  handle,
                            goffset            offset,
                            GSeekType          type) 
{
  GError *error = NULL;

  if (g_seekable_seek (handle, offset, type, NULL, &error))
    {
      g_vfs_job_seek_read_set_offset (job, g_seekable_tell (handle));
      g_vfs_job_succeeded (G_VFS_JOB (job));

      return TRUE;
    }

  g_vfs_job_failed_from_error (G_VFS_JOB (job), error);
  g_error_free (error);

  return TRUE;
}