nextpnr/common/kernel/str_ring_buffer.cc
gatecat 49f178ed94 Split up common into kernel,place,route
Signed-off-by: gatecat <gatecat@ds0.me>
2022-04-08 13:42:54 +01:00

35 lines
1.1 KiB
C++

/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Claire Xenia Wolf <claire@yosyshq.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "str_ring_buffer.h"
#include "nextpnr_namespaces.h"
NEXTPNR_NAMESPACE_BEGIN
std::string &StrRingBuffer::next()
{
std::string &s = buffer.at(index++);
if (index >= N)
index = 0;
return s;
}
NEXTPNR_NAMESPACE_END