struct istream *
i_stream_create(struct istream_private *_stream, struct istream *parent, int fd)
{
_stream->fd = fd;
if (parent != NULL) {
_stream->access_counter = parent->real_stream->access_counter;
_stream->parent = parent;
_stream->parent_start_offset = parent->v_offset;
_stream->parent_expected_offset = parent->v_offset;
_stream->abs_start_offset = parent->v_offset +
parent->real_stream->abs_start_offset;
/* if parent stream is an istream-error, copy the error */
_stream->istream.stream_errno = parent->stream_errno;
_stream->istream.eof = parent->eof;
i_stream_ref(parent);
}
_stream->istream.real_stream = _stream;
if (_stream->iostream.close == NULL)
_stream->iostream.close = i_stream_default_close;
if (_stream->iostream.destroy == NULL)
_stream->iostream.destroy = i_stream_default_destroy;
if (_stream->seek == NULL) {
_stream->seek = _stream->istream.seekable ?
i_stream_default_seek_seekable :
i_stream_default_seek_nonseekable;
}
if (_stream->stat == NULL)
_stream->stat = i_stream_default_stat;
if (_stream->get_size == NULL)
_stream->get_size = i_stream_default_get_size;
if (_stream->iostream.set_max_buffer_size == NULL) {
_stream->iostream.set_max_buffer_size =
i_stream_default_set_max_buffer_size;
}
if (_stream->init_buffer_size == 0)
_stream->init_buffer_size = I_STREAM_MIN_SIZE;
memset(&_stream->statbuf, 0, sizeof(_stream->statbuf));
_stream->statbuf.st_size = -1;
_stream->statbuf.st_atime =
_stream->statbuf.st_mtime =
_stream->statbuf.st_ctime = ioloop_time;
io_stream_init(&_stream->iostream);
return &_stream->istream;
}
struct istream *
i_stream_create(struct istream_private *_stream, struct istream *parent, int fd)
{
_stream->fd = fd;
if (parent != NULL)
i_stream_init_parent(_stream, parent);
_stream->istream.real_stream = _stream;
if (_stream->iostream.close == NULL)
_stream->iostream.close = i_stream_default_close;
if (_stream->iostream.destroy == NULL)
_stream->iostream.destroy = i_stream_default_destroy;
if (_stream->seek == NULL) {
_stream->seek = _stream->istream.seekable ?
i_stream_default_seek_seekable :
i_stream_default_seek_nonseekable;
}
if (_stream->stat == NULL)
_stream->stat = i_stream_default_stat;
if (_stream->get_size == NULL)
_stream->get_size = i_stream_default_get_size;
if (_stream->iostream.set_max_buffer_size == NULL) {
_stream->iostream.set_max_buffer_size =
i_stream_default_set_max_buffer_size;
}
if (_stream->init_buffer_size == 0)
_stream->init_buffer_size = I_STREAM_MIN_SIZE;
memset(&_stream->statbuf, 0, sizeof(_stream->statbuf));
_stream->statbuf.st_size = -1;
_stream->statbuf.st_atime =
_stream->statbuf.st_mtime =
_stream->statbuf.st_ctime = ioloop_time;
io_stream_init(&_stream->iostream);
return &_stream->istream;
}