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/*!A cross-platform build utility based on Lua
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright (C) 2015-present, Xmake Open Source Community.
*
* @author ruki
* @file pipe_openpair.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "pipe_openpair"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
/*
* io.pipe_openpair(mode, buffsize)
*/
tb_int_t xm_io_pipe_openpair(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
// get pipe mode
tb_char_t const *modestr = luaL_optstring(lua, 1, "AA");
tb_assert_and_check_return_val(modestr, 0);
// init mode
tb_size_t mode[2] = { 0 };
if (modestr[0] == 'B') {
mode[0] |= TB_PIPE_MODE_BLOCK;
}
if (modestr[1] == 'B') {
mode[1] |= TB_PIPE_MODE_BLOCK;
}
// get buffer size
tb_size_t buffsize = (tb_size_t)luaL_checknumber(lua, 2);
// init pipe
tb_pipe_file_ref_t pipefile[2];
if (tb_pipe_file_init_pair(pipefile, mode, buffsize)) {
xm_lua_pushpointer(lua, (tb_pointer_t)pipefile[0]);
xm_lua_pushpointer(lua, (tb_pointer_t)pipefile[1]);
} else {
lua_pushnil(lua);
lua_pushnil(lua);
}
return 2;
}
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