C++ (Cpp) o_stream_temp_fd_sendvの例

コード例 #1

ファイル: iostream-temp.c プロジェクト: manuelm/dovecot

static ssize_t
o_stream_temp_sendv(struct ostream_private *stream,
		    const struct const_iovec *iov, unsigned int iov_count)
{
	struct temp_ostream *tstream = (struct temp_ostream *)stream;
	ssize_t ret = 0;
	unsigned int i;
	enum ostream_send_istream_result res;


	tstream->flags &= ~IOSTREAM_TEMP_FLAG_TRY_FD_DUP;
	if (tstream->dupstream != NULL) {
		if (o_stream_temp_dup_cancel(tstream, &res))
			return -1;
	}

	if (tstream->fd != -1)
		return o_stream_temp_fd_sendv(tstream, iov, iov_count);

	for (i = 0; i < iov_count; i++) {
		if (tstream->buf->used + iov[i].iov_len > tstream->max_mem_size) {
			if (o_stream_temp_move_to_fd(tstream) == 0) {
				return o_stream_temp_fd_sendv(tstream, iov+i,
							      iov_count-i);
			}
			/* failed to move to temp fd, just keep it in memory */
		}
		buffer_append(tstream->buf, iov[i].iov_base, iov[i].iov_len);
		ret += iov[i].iov_len;
		stream->ostream.offset += iov[i].iov_len;
	}
	return ret;
}

コード例 #2

ファイル: iostream-temp.c プロジェクト: bsmr-dovecot/core

static ssize_t
o_stream_temp_sendv(struct ostream_private *stream,
		    const struct const_iovec *iov, unsigned int iov_count)
{
	struct temp_ostream *tstream = (struct temp_ostream *)stream;
	ssize_t ret = 0;
	unsigned int i;

	tstream->flags &= ~IOSTREAM_TEMP_FLAG_TRY_FD_DUP;

	if (tstream->fd != -1)
		return o_stream_temp_fd_sendv(tstream, iov, iov_count);

	for (i = 0; i < iov_count; i++) {
		if (tstream->buf->used + iov[i].iov_len > IOSTREAM_TEMP_MAX_BUF_SIZE) {
			if (o_stream_temp_move_to_fd(tstream) == 0) {
				return o_stream_temp_fd_sendv(tstream, iov+i,
							      iov_count-i);
			}
			/* failed to move to temp fd, just keep it in memory */
		}
		buffer_append(tstream->buf, iov[i].iov_base, iov[i].iov_len);
		ret += iov[i].iov_len;
		stream->ostream.offset += iov[i].iov_len;
	}
	return ret;
}