1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*!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 file_rawfd.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "file_rawfd"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* macros
*/
// file to fd
#if defined(TB_CONFIG_OS_WINDOWS) && !defined(TB_COMPILER_LIKE_UNIX)
#define xm_io_file2fd(file) (lua_Number)((tb_size_t)(file))
#else
#define xm_io_file2fd(file) (lua_Number) tb_file2fd(file)
#endif
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
/* io.file_rawfd(file)
*
* @note this interface is very dangerous and is only used in some special/hacking cases.
*
* e.g. set VS_UNICODE_OUTPUT=fd to enable vs unicode output, @see https://github.com/xmake-io/xmake/issues/528
*/
tb_int_t xm_io_file_rawfd(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
// is user data?
if (!lua_isuserdata(lua, 1)) {
xm_io_return_error(lua, "get rawfd for invalid file!");
}
// get file
xm_io_file_t *file = (xm_io_file_t *)lua_touserdata(lua, 1);
tb_check_return_val(file, 0);
// get file raw fd
if (xm_io_file_is_file(file)) {
tb_file_ref_t rawfile = tb_null;
if (tb_stream_ctrl(file->stream, TB_STREAM_CTRL_FILE_GET_FILE, &rawfile)) {
lua_pushnumber(lua, xm_io_file2fd(rawfile));
return 1;
}
}
// get rawfd failed
xm_io_return_error(lua, "get rawfd for invalid file!");
}
|
