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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, TBOOX Open Source Group.
*
* @author ruki
* @file pipe_open.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "pipe_open"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
/*
* io.pipe_open(name, mode, buffsize)
*/
tb_int_t xm_io_pipe_open(lua_State* lua)
{
// check
tb_assert_and_check_return_val(lua, 0);
// get pipe name and mode
tb_char_t const* name = luaL_checkstring(lua, 1);
tb_char_t const* modestr = luaL_optstring(lua, 2, "r");
tb_assert_and_check_return_val(name && modestr, 0);
// get pipe mode value
tb_size_t mode = TB_PIPE_MODE_RO;
if (modestr[0] == 'w') mode = TB_PIPE_MODE_WO;
// set block mode
if (modestr[1] == 'B') mode |= TB_PIPE_MODE_BLOCK;
// get buffer size
tb_size_t buffsize = (tb_size_t)luaL_checknumber(lua, 3);
// open pipe file
tb_pipe_file_ref_t pipefile = tb_pipe_file_init(name, mode, buffsize);
if (pipefile) xm_lua_pushpointer(lua, (tb_pointer_t)pipefile);
else lua_pushnil(lua);
return 1;
}
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