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/*!The Automatic Cross-platform Build Tool
*
* XMake is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* XMake is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XMake;
* If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
*
* Copyright (C) 2009 - 2015, ruki All rights reserved.
*
* @author ruki
* @file setenv.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "setenv"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* macros
*/
// the separator
#ifdef TB_CONFIG_OS_WINDOWS
# define XM_OS_ENV_SEP ';'
#else
# define XM_OS_ENV_SEP ':'
#endif
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_os_setenv(lua_State* lua)
{
// check
tb_assert_and_check_return_val(lua, 0);
// get the name and value
size_t value_size = 0;
tb_char_t const* name = luaL_checkstring(lua, 1);
tb_char_t const* value = luaL_checklstring(lua, 2, &value_size);
tb_check_return_val(name, 0);
// find the first separator position
tb_char_t const* p = value? tb_strchr(value, XM_OS_ENV_SEP) : tb_null;
if (p)
{
// init filter
tb_bloom_filter_ref_t filter = tb_bloom_filter_init(TB_BLOOM_FILTER_PROBABILITY_0_1, 1, 32, tb_element_str(tb_true));
// init environment
tb_char_t data[TB_PATH_MAXN];
tb_environment_ref_t environment = tb_environment_init();
if (environment)
{
// make environment
tb_char_t const* b = value;
tb_char_t const* e = b + value_size;
do
{
// not empty?
if (b < p)
{
// the size
tb_size_t size = tb_min(p - b, sizeof(data) - 1);
// copy it
tb_strncpy(data, b, size);
data[size] = '\0';
// have been not inserted?
if (!filter || tb_bloom_filter_set(filter, data))
{
// append the environment
tb_environment_set(environment, data, tb_false);
}
}
// end?
tb_check_break(p + 1 < e);
// find the next separator position
b = p + 1;
p = tb_strchr(b, XM_OS_ENV_SEP);
if (!p) p = e;
} while (1);
// done os.setenv(name, value)
lua_pushboolean(lua, tb_environment_save(environment, name));
// exit environment
tb_environment_exit(environment);
}
// exit filter
if (filter) tb_bloom_filter_exit(filter);
filter = tb_null;
}
// only one?
else
{
// done os.setenv(name, value)
lua_pushboolean(lua, tb_environment_set_one(name, value));
}
// ok
return 1;
}
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