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Windows MSVC port 

Extend the windows port so it compiles with the toolchain from Visual Studio 2013
pull/568/head
stijn 2014-05-05 12:18:27 +02:00
rodzic c1c32d65af
commit 01d6be4d51
16 zmienionych plików z 407 dodań i 8 usunięć
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2
py/mpconfig.h
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@ -312,4 +312,6 @@ typedef double mp_float_t;
#endif //INT_FMT #endif //INT_FMT
// Modifier for function which doesn't return // Modifier for function which doesn't return
#ifndef NORETURN
#define NORETURN __attribute__((noreturn)) #define NORETURN __attribute__((noreturn))
#endif

7
py/mpz.c
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@ -1092,8 +1092,11 @@ mpz_t *mpz_gcd(const mpz_t *z1, const mpz_t *z2) {
*/ */
mpz_t *mpz_lcm(const mpz_t *z1, const mpz_t *z2) mpz_t *mpz_lcm(const mpz_t *z1, const mpz_t *z2)
{ {
if (z1->len == 0 || z2->len == 0) // braces below are required for compilation to succeed with CL, see bug report
return mpz_zero(); // https://connect.microsoft.com/VisualStudio/feedback/details/864169/compilation-error-when-braces-are-left-out-of-single-line-if-statement
if (z1->len == 0 || z2->len == 0) {
return mpz_zero();
}
mpz_t *gcd = mpz_gcd(z1, z2); mpz_t *gcd = mpz_gcd(z1, z2);
mpz_t *quo = mpz_zero(); mpz_t *quo = mpz_zero();

2
py/objint.c
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@ -303,7 +303,7 @@ STATIC mp_obj_t int_from_bytes(uint n_args, const mp_obj_t *args) {
// convert the bytes to an integer // convert the bytes to an integer
machine_uint_t value = 0; machine_uint_t value = 0;
for (const byte* buf = bufinfo.buf + bufinfo.len - 1; buf >= (byte*)bufinfo.buf; buf--) { for (const byte* buf = (const byte*)bufinfo.buf + bufinfo.len - 1; buf >= (byte*)bufinfo.buf; buf--) {
value = (value << 8) | *buf; value = (value << 8) | *buf;
} }

6
py/runtime.c
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@ -27,6 +27,7 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <assert.h> #include <assert.h>
#include <alloca.h>
#include "mpconfig.h" #include "mpconfig.h"
#include "nlr.h" #include "nlr.h"
@ -1074,11 +1075,12 @@ import_error:
uint pkg_name_len; uint pkg_name_len;
const char *pkg_name = mp_obj_str_get_data(dest[0], &pkg_name_len); const char *pkg_name = mp_obj_str_get_data(dest[0], &pkg_name_len);
char dot_name[pkg_name_len + 1 + qstr_len(name)]; const uint dot_name_len = pkg_name_len + 1 + qstr_len(name);
char *dot_name = alloca(dot_name_len);
memcpy(dot_name, pkg_name, pkg_name_len); memcpy(dot_name, pkg_name, pkg_name_len);
dot_name[pkg_name_len] = '.'; dot_name[pkg_name_len] = '.';
memcpy(dot_name + pkg_name_len + 1, qstr_str(name), qstr_len(name)); memcpy(dot_name + pkg_name_len + 1, qstr_str(name), qstr_len(name));
qstr dot_name_q = qstr_from_strn(dot_name, sizeof(dot_name)); qstr dot_name_q = qstr_from_strn(dot_name, dot_name_len);
mp_obj_t args[5]; mp_obj_t args[5];
args[0] = MP_OBJ_NEW_QSTR(dot_name_q); args[0] = MP_OBJ_NEW_QSTR(dot_name_q);

9
windows/.gitignore vendored 100644
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@ -0,0 +1,9 @@
*.user
*.*sdf
*.suo
*.sln
*.exe
*.pdb
*.ilk
*.filters
/build/*

20
windows/README
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@ -1,10 +1,26 @@
This is experimental, community-supported Windows port of MicroPython. This is experimental, community-supported Windows port of MicroPython.
It is based on Unix port, and expected to remain so. It is based on Unix port, and expected to remain so.
The port requires additional testing, debugging, and patches. Please
consider to contribute.
To cross-compile under Debian/Ubuntu Linux system: To cross-compile under Debian/Ubuntu Linux system:
sudo apt-get install mingw32 mingw32-binutils mingw32-runtime sudo apt-get install mingw32 mingw32-binutils mingw32-runtime
make CROSS_COMPILE=i586-mingw32msvc- make CROSS_COMPILE=i586-mingw32msvc-
The port requires additional testing, debugging, and patches. Please
consider to contribute. To compile under Cygwin:
Install following packages using cygwin's setup.exe: mingw-gcc-g++ make
make CROSS_COMPILE=i686-pc-mingw32-
To compile using Visual Studio 2013:
Open micropython.vcxproj and build
To compile using Visual Studio 2013 commandline:
msbuild micropython.vcxproj

5
windows/init.c
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@ -25,7 +25,12 @@
*/ */
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h>
void init() { void init() {
#ifdef __MINGW32__
putenv("PRINTF_EXPONENT_DIGITS=2"); putenv("PRINTF_EXPONENT_DIGITS=2");
#else
_set_output_format(_TWO_DIGIT_EXPONENT);
#endif
} }

102
windows/micropython.vcxproj 100644
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@ -0,0 +1,102 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{740F3C30-EB6C-4B59-9C50-AE4D5A4A9D12}</ProjectGuid>
<RootNamespace>micropython</RootNamespace>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v120</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="msvc/common.props" />
<Import Project="msvc/debug.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="msvc/common.props" />
<Import Project="msvc/release.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="msvc/common.props" />
<Import Project="msvc/debug.props" />
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="msvc/common.props" />
<Import Project="msvc/release.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup />
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile />
<Link />
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile />
<Link />
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile />
<Link />
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<ClCompile />
<Link />
</ItemDefinitionGroup>
<ItemGroup>
</ItemGroup>
<Import Project="msvc/sources.props" />
<Import Project="msvc/genhdr.targets" />
<Target Name="GenHeaders" BeforeTargets="BuildGenerateSources" DependsOnTargets="GenerateHeaders">
</Target>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>

46
windows/mpconfigport.h
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@ -31,6 +31,7 @@
#define MICROPY_USE_READLINE (0) #define MICROPY_USE_READLINE (0)
#endif #endif
#define MICROPY_PATH_MAX (260) //see minwindef.h for msvc or limits.h for mingw
#define MICROPY_EMIT_X64 (0) #define MICROPY_EMIT_X64 (0)
#define MICROPY_EMIT_THUMB (0) #define MICROPY_EMIT_THUMB (0)
#define MICROPY_EMIT_INLINE_THUMB (0) #define MICROPY_EMIT_INLINE_THUMB (0)
@ -46,9 +47,12 @@
// type definitions for the specific machine // type definitions for the specific machine
#ifdef __LP64__ #if defined( __MINGW32__ ) && defined( __LP64__ )
typedef long machine_int_t; // must be pointer size typedef long machine_int_t; // must be pointer size
typedef unsigned long machine_uint_t; // must be pointer size typedef unsigned long machine_uint_t; // must be pointer size
#elif defined ( _MSC_VER ) && defined( _WIN64 )
typedef __int64 machine_int_t;
typedef unsigned __int64 machine_uint_t;
#else #else
// These are definitions for machines where sizeof(int) == sizeof(void*), // These are definitions for machines where sizeof(int) == sizeof(void*),
// regardless for actual size. // regardless for actual size.
@ -67,3 +71,43 @@ extern const struct _mp_obj_fun_native_t mp_builtin_open_obj;
#include "realpath.h" #include "realpath.h"
#include "init.h" #include "init.h"
// MSVC specifics
#ifdef _MSC_VER
// Sanity check
#if ( _MSC_VER < 1800 )
#error Can only build with Visual Studio 2013 toolset
#endif
// CL specific overrides from mpconfig
#define NORETURN __declspec(noreturn)
#define MICROPY_EXTRA_CONSTANTS { "dummy", 0 } //can't have zero-sized array
// CL specific definitions
#define restrict
#define inline __inline
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#define PATH_MAX MICROPY_PATH_MAX
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
// System headers (needed e.g. for nlr.h)
#include <stddef.h> //for NULL
#include <assert.h> //for assert
// Functions implemented in platform code
int snprintf(char *dest, size_t count, const char *format, ...);
#endif

22
windows/msvc/common.props 100644
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@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ImportGroup Label="PropertySheets" />
<PropertyGroup Label="UserMacros" />
<PropertyGroup>
<OutDir>$(ProjectDir)</OutDir>
<IntDir>$(ProjectDir)build\$(Configuration)$(Platform)\</IntDir>
</PropertyGroup>
<ItemDefinitionGroup>
<ClCompile>
<AdditionalIncludeDirectories>.\;.\build;.\msvc;..\py</AdditionalIncludeDirectories>
<PreprocessorDefinitions>_USE_MATH_DEFINES;_CRT_SECURE_NO_WARNINGS;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>false</SDLCheck>
<WarningLevel>Level1</WarningLevel>
<ExceptionHandling>false</ExceptionHandling>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
</Link>
</ItemDefinitionGroup>
<ItemGroup />
</Project>

13
windows/msvc/debug.props 100644
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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ImportGroup Label="PropertySheets" />
<PropertyGroup Label="UserMacros" />
<PropertyGroup>
</PropertyGroup>
<ItemDefinitionGroup>
<ClCompile>
<PreprocessorDefinitions>DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
</ItemDefinitionGroup>
<ItemGroup />
</Project>

76
windows/msvc/genhdr.targets 100644
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@ -0,0 +1,76 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="GenerateHeaders">
<Target Name="GenerateHeaders" DependsOnTargets="MakeQstrData;MakeVersionHeader">
</Target>
<PropertyGroup>
<SrcDir>$(MsBuildThisFileDirectory)..\..\py\</SrcDir>
<DestDir>$(MsBuildThisFileDirectory)..\build\genhdr\</DestDir>
</PropertyGroup>
<Target Name="MakeDestDir">
<MakeDir Directories="$(DestDir)"/>
</Target>
<!--don't let regenerating these files trigger builds-->
<UsingTask TaskName="MakeSameWriteTime" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll" >
<ParameterGroup>
<SourceFile Required="true" ParameterType="System.String"/>
<DestFile Required="true" ParameterType="System.String"/>
</ParameterGroup>
<Task>
<Code Type="Fragment" Language="cs">
<![CDATA[
System.IO.File.SetLastWriteTime( DestFile, System.IO.File.GetLastWriteTime( SourceFile ) );
]]>
</Code>
</Task>
</UsingTask>
<!--see py/py.mk under #qstr data-->
<Target Name="MakeQstrData" DependsOnTargets="MakeDestDir">
<PropertyGroup>
<PreProc>$(DestDir)qstrdefs.preprocessed.h</PreProc>
<QstrDefs>$(MsBuildThisFileDirectory)..\..\unix\qstrdefsport.h</QstrDefs>
<DestFile>$(DestDir)qstrdefs.generated.h</DestFile>
</PropertyGroup>
<Exec Command="cl /I$(SrcDir) /I$(MsBuildThisFileDirectory).. /Fi$(PreProc) /P $(SrcDir)qstrdefs.h"/>
<Exec Command="python $(SrcDir)makeqstrdata.py $(PreProc) $(QstrDefs) > $(DestFile)"/>
<MakeSameWriteTime SourceFile="$(MsBuildThisFile)" DestFile="$(DestFile)"/>
</Target>
<!--see py/py-version.sh-->
<Target Name="GetGitState">
<Exec Command="git describe --dirty --always" ConsoleToMSBuild="true" IgnoreExitCode="true">
<Output TaskParameter="ConsoleOutput" PropertyName="GitTag" />
</Exec>
<Exec Command="git rev-parse --short HEAD 2>NUL || echo unknown" ConsoleToMSBuild="true" IgnoreExitCode="true">
<Output TaskParameter="ConsoleOutput" PropertyName="GitHash" />
</Exec>
<Exec Command="git diff --no-ext-diff --quiet --exit-code 2>NUL || echo 0" ConsoleToMSBuild="true" IgnoreExitCode="true">
<Output TaskParameter="ConsoleOutput" PropertyName="GitFilesAreClean" />
</Exec>
<Exec Command="git diff-index --cached --quiet HEAD -- 2>NUL || echo 0" ConsoleToMSBuild="true" IgnoreExitCode="true" Condition="'$(GitFilesAreClean)'==''">
<Output TaskParameter="ConsoleOutput" PropertyName="GitFilesAreClean" />
</Exec>
</Target>
<Target Name="MakeVersionHeader" DependsOnTargets="MakeDestDir;GetGitState">
<PropertyGroup Condition="'$(GitFilesAreClean)'=='0'">
<GitHash>$(GitHash)-dirty</GitHash>
</PropertyGroup>
<PropertyGroup>
<DestFile>$(DestDir)py-version.h</DestFile>
</PropertyGroup>
<ItemGroup>
<Lines Include="// This file was generated by $([System.IO.Path]::GetFileName(`$(MsBuildThisFile)`))"/>
<Lines Include="#define MICROPY_GIT_TAG &quot;$(GitTag)&quot;"/>
<Lines Include="#define MICROPY_GIT_HASH &quot;$(GitHash)&quot;"/>
<Lines Include="#define MICROPY_BUILD_DATE &quot;$([System.DateTime]::Now.ToString(`yyyy-MM-dd`))&quot;"/>
</ItemGroup>
<WriteLinesToFile Lines="@(Lines)" File="$(DestFile)" Overwrite="true"/>
<MakeSameWriteTime SourceFile="$(MsBuildThisFile)" DestFile="$(DestFile)"/>
</Target>
</Project>

16
windows/msvc/release.props 100644
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@ -0,0 +1,16 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ImportGroup Label="PropertySheets" />
<PropertyGroup Label="UserMacros" />
<PropertyGroup />
<ItemDefinitionGroup>
<Link>
<OptimizeReferences>true</OptimizeReferences>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
</Link>
<ClCompile>
<IntrinsicFunctions>true</IntrinsicFunctions>
</ClCompile>
</ItemDefinitionGroup>
<ItemGroup />
</Project>

44
windows/msvc/snprintf.c 100644
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@ -0,0 +1,44 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdarg.h>
#include <stdio.h>
#include <malloc.h>
// _snprintf/vsnprintf are fine, except the 'F' specifier is not handled
int snprintf(char *dest, size_t count, const char *format, ...) {
const size_t fmtLen = strlen(format) + 1;
char *fixedFmt = alloca(fmtLen);
for (size_t i = 0; i < fmtLen; ++i)
fixedFmt[i] = format[i] == 'F' ? 'f' : format[i];
va_list args;
va_start(args, format);
const int ret = vsnprintf(dest, count, fixedFmt, args);
va_end(args);
return ret;
}

17
windows/msvc/sources.props 100644
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@ -0,0 +1,17 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<PyBaseDir>$(MsbuildThisFileDirectory)..\..\</PyBaseDir>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="$(PyBaseDir)py\*.c" />
<ClCompile Include="$(PyBaseDir)unix\*.c" Exclude="$(PyBaseDir)unix\mod*.c" />
<ClCompile Include="$(PyBaseDir)windows\*.c" />
<ClCompile Include="$(PyBaseDir)windows\msvc\*.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="$(PyBaseDir)py\*.h" />
<ClInclude Include="$(PyBaseDir)windows\*.h" />
<ClInclude Include="$(PyBaseDir)windows\msvc\*.h" />
</ItemGroup>
</Project>

28
windows/msvc/unistd.h 100644
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@ -0,0 +1,28 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
// There's no unistd.h, but this is the equivalent
#include <io.h>