mms_off_t mmsx_seek (mms_io_t *io, mmsx_t *mmsx, mms_off_t offset, int origin)
{
if(mmsx->connection)
return mms_seek(io, mmsx->connection, offset, origin);
else
return mmsh_seek(io, mmsx->connection_h, offset, origin);
}
static int mms_vfs_fseek_impl (VFSFile * file, int64_t offset, int whence)
{
MMSHandle * h = vfs_get_handle (file);
if (whence == SEEK_CUR)
{
if (h->mms)
offset += mms_get_current_pos (h->mms);
else
offset += mmsh_get_current_pos (h->mmsh);
}
else if (whence == SEEK_END)
{
if (h->mms)
offset += mms_get_length (h->mms);
else
offset += mmsh_get_length (h->mmsh);
}
int64_t ret;
if (h->mms)
ret = mms_seek (NULL, h->mms, offset, SEEK_SET);
else
ret = mmsh_seek (NULL, h->mmsh, offset, SEEK_SET);
if (ret < 0 || ret != offset)
{
fprintf (stderr, "mms: Seek failed.\n");
return -1;
}
return 0;
}
