Ejemplos de o_stream_flush_parent_if_needed en C++ (Cpp)

Ejemplo n.º 1

Archivo: ostream-lzma.c Proyecto: LTD-Beget/dovecot

static int o_stream_lzma_send_flush(struct lzma_ostream *zstream)
{
	lzma_stream *zs = &zstream->strm;
	unsigned int len;
	bool done = FALSE;
	int ret;

	if (zs->avail_in != 0) {
		i_assert(zstream->ostream.ostream.last_failed_errno != 0);
		zstream->ostream.ostream.stream_errno =
			zstream->ostream.ostream.last_failed_errno;
		return -1;
	}

	if (zstream->flushed)
		return 0;

	if ((ret = o_stream_flush_parent_if_needed(&zstream->ostream)) <= 0)
		return ret;
	if ((ret = o_stream_zlib_send_outbuf(zstream)) <= 0)
		return ret;

	i_assert(zstream->outbuf_used == 0);
	do {
		ret = lzma_code(zs, LZMA_FINISH);
		switch (ret) {
		case LZMA_OK:
			break;
		case LZMA_STREAM_END:
			done = TRUE;
			break;
		case LZMA_MEM_ERROR:
			i_fatal_status(FATAL_OUTOFMEM,
				       "lzma.write(%s): Out of memory",
				       o_stream_get_name(&zstream->ostream.ostream));
		default:
			i_panic("lzma.write(%s) flush failed with unexpected code %d",
				o_stream_get_name(&zstream->ostream.ostream), ret);
		}
		if (zs->avail_out == 0 || done) {
			len = sizeof(zstream->outbuf) - zs->avail_out;
			zs->next_out = zstream->outbuf;
			zs->avail_out = sizeof(zstream->outbuf);

			zstream->outbuf_used = len;
			if ((ret = o_stream_zlib_send_outbuf(zstream)) <= 0)
				return ret;
		}
	} while (!done);

	zstream->flushed = TRUE;
	return 0;
}

Ejemplo n.º 2

Archivo: ostream-bzlib.c Proyecto: jwm/dovecot-notmuch

static int o_stream_bzlib_send_flush(struct bzlib_ostream *zstream)
{
	bz_stream *zs = &zstream->zs;
	unsigned int len;
	bool done = FALSE;
	int ret;

	if (zs->avail_in != 0) {
		i_assert(zstream->ostream.ostream.last_failed_errno != 0);
		zstream->ostream.ostream.stream_errno =
			zstream->ostream.ostream.last_failed_errno;
		return -1;
	}

	if (zstream->flushed)
		return 0;

	if ((ret = o_stream_flush_parent_if_needed(&zstream->ostream)) <= 0)
		return ret;
	if ((ret = o_stream_zlib_send_outbuf(zstream)) <= 0)
		return ret;

	i_assert(zstream->outbuf_used == 0);
	do {
		len = sizeof(zstream->outbuf) - zs->avail_out;
		if (len != 0) {
			zs->next_out = zstream->outbuf;
			zs->avail_out = sizeof(zstream->outbuf);

			zstream->outbuf_used = len;
			if ((ret = o_stream_zlib_send_outbuf(zstream)) <= 0)
				return ret;
			if (done)
				break;
		}

		ret = BZ2_bzCompress(zs, BZ_FINISH);
		switch (ret) {
		case BZ_STREAM_END:
			done = TRUE;
			break;
		case BZ_FINISH_OK:
			break;
		default:
			i_unreached();
		}
	} while (zs->avail_out != sizeof(zstream->outbuf));

	zstream->flushed = TRUE;
	return 0;
}