From b74bcc9d76c25d6ae0f872f36f8c390dcd985bec Mon Sep 17 00:00:00 2001
From: emekoi <emekankurumeh@outlook.com>
Date: Wed, 5 Jun 2019 14:42:36 -0500
Subject: [PATCH 1/4] windows.unexpectedError prints a human friendly string

---
 std/os/windows.zig          |  10 +-
 std/os/windows/bits.zig     |  15 ++
 std/os/windows/kernel32.zig |   4 +
 std/os/windows/lang.zig     | 384 ++++++++++++++++++++++++++++++++++++
 4 files changed, 412 insertions(+), 1 deletion(-)
 create mode 100644 std/os/windows/lang.zig

diff --git a/std/os/windows.zig b/std/os/windows.zig
index 1d5900401..0757d9924 100644
--- a/std/os/windows.zig
+++ b/std/os/windows.zig
@@ -756,11 +756,19 @@ pub fn sliceToPrefixedSuffixedFileW(s: []const u8, comptime suffix: []const u16)
     return result;
 }
 
+inline fn MAKELANGID(p: USHORT, s: USHORT) LANGID {
+    return (s << 10) | p;
+}
+
 /// Call this when you made a windows DLL call or something that does SetLastError
 /// and you get an unexpected error.
 pub fn unexpectedError(err: DWORD) std.os.UnexpectedError {
     if (std.os.unexpected_error_tracing) {
-        std.debug.warn("unexpected GetLastError(): {}\n", err);
+        var buf: LPSTR = undefined;
+        const len = kernel32.FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, null, err, MAKELANGID(LANG.LANG_NEUTRAL, LANG.SUBLANG_DEFAULT), buf, 0, null);
+        defer _ = kernel32.LocalFree(@ptrCast(HLOCAL, buf));
+        std.debug.warn("error.Unexpected: {}: {}\n", err, buf[0..len]);
+
         std.debug.dumpCurrentStackTrace(null);
     }
     return error.Unexpected;
diff --git a/std/os/windows/bits.zig b/std/os/windows/bits.zig
index 0bf299190..d05266c9f 100644
--- a/std/os/windows/bits.zig
+++ b/std/os/windows/bits.zig
@@ -6,6 +6,7 @@ const assert = std.debug.assert;
 const maxInt = std.math.maxInt;
 
 pub const ERROR = @import("error.zig");
+pub const LANG = @import("lang.zig");
 
 /// The standard input device. Initially, this is the console input buffer, CONIN$.
 pub const STD_INPUT_HANDLE = maxInt(DWORD) - 10 + 1;
@@ -55,6 +56,10 @@ pub const ULONG = u32;
 pub const LONG = i32;
 pub const ULONGLONG = u64;
 pub const LONGLONG = i64;
+pub const HLOCAL = HANDLE;
+pub const LANGID = c_ushort;
+
+pub const va_list = *@OpaqueType();
 
 pub const TRUE = 1;
 pub const FALSE = 0;
@@ -525,3 +530,13 @@ pub const COINIT = extern enum {
 /// > this expansion applies to the total length.
 /// from https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#maximum-path-length-limitation
 pub const PATH_MAX_WIDE = 32767;
+
+pub const FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100;
+pub const FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000;
+pub const FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
+pub const FORMAT_MESSAGE_FROM_STRING = 0x00000400;
+pub const FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
+pub const FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
+pub const FORMAT_MESSAGE_MAX_WIDTH_MASK = 0x000000FF;
+pub const FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
+pub const FORMAT_MESSAGE_FROM_STRING = 0x00000400;
diff --git a/std/os/windows/kernel32.zig b/std/os/windows/kernel32.zig
index 852369df2..bee1b8254 100644
--- a/std/os/windows/kernel32.zig
+++ b/std/os/windows/kernel32.zig
@@ -50,6 +50,8 @@ pub extern "kernel32" stdcallcc fn FindFirstFileW(lpFileName: [*]const u16, lpFi
 pub extern "kernel32" stdcallcc fn FindClose(hFindFile: HANDLE) BOOL;
 pub extern "kernel32" stdcallcc fn FindNextFileW(hFindFile: HANDLE, lpFindFileData: *WIN32_FIND_DATAW) BOOL;
 
+pub extern "kernel32" stdcallcc fn FormatMessageA(dwFlags: DWORD, lpSource: LPVOID, dwMessageId: DWORD, dwLanguageId: DWORD, lpBuffer: LPSTR, nSize: DWORD, Arguments: ?*va_list) DWORD;
+
 pub extern "kernel32" stdcallcc fn FreeEnvironmentStringsW(penv: [*]u16) BOOL;
 
 pub extern "kernel32" stdcallcc fn GetCommandLineA() LPSTR;
@@ -116,6 +118,8 @@ pub extern "kernel32" stdcallcc fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem
 
 pub extern "kernel32" stdcallcc fn HeapValidate(hHeap: HANDLE, dwFlags: DWORD, lpMem: ?*const c_void) BOOL;
 
+pub extern "kernel32" stdcallcc fn LocalFree(hMem: HLOCAL) ?HLOCAL;
+
 pub extern "kernel32" stdcallcc fn VirtualAlloc(lpAddress: ?LPVOID, dwSize: SIZE_T, flAllocationType: DWORD, flProtect: DWORD) ?LPVOID;
 pub extern "kernel32" stdcallcc fn VirtualFree(lpAddress: ?LPVOID, dwSize: SIZE_T, dwFreeType: DWORD) BOOL;
 
diff --git a/std/os/windows/lang.zig b/std/os/windows/lang.zig
new file mode 100644
index 000000000..7e6e2d1a7
--- /dev/null
+++ b/std/os/windows/lang.zig
@@ -0,0 +1,384 @@
+pub const LANG_NEUTRAL = 0x00;
+pub const LANG_INVARIANT = 0x7f;
+pub const LANG_AFRIKAANS = 0x36;
+pub const LANG_ALBANIAN = 0x1c;
+pub const LANG_ALSATIAN = 0x84;
+pub const LANG_AMHARIC = 0x5e;
+pub const LANG_ARABIC = 0x01;
+pub const LANG_ARMENIAN = 0x2b;
+pub const LANG_ASSAMESE = 0x4d;
+pub const LANG_AZERI = 0x2c;
+pub const LANG_AZERBAIJANI = 0x2c;
+pub const LANG_BANGLA = 0x45;
+pub const LANG_BASHKIR = 0x6d;
+pub const LANG_BASQUE = 0x2d;
+pub const LANG_BELARUSIAN = 0x23;
+pub const LANG_BENGALI = 0x45;
+pub const LANG_BRETON = 0x7e;
+pub const LANG_BOSNIAN = 0x1a;
+pub const LANG_BOSNIAN_NEUTRAL = 0x781a;
+pub const LANG_BULGARIAN = 0x02;
+pub const LANG_CATALAN = 0x03;
+pub const LANG_CENTRAL_KURDISH = 0x92;
+pub const LANG_CHEROKEE = 0x5c;
+pub const LANG_CHINESE = 0x04;
+pub const LANG_CHINESE_SIMPLIFIED = 0x04;
+pub const LANG_CHINESE_TRADITIONAL = 0x7c04;
+pub const LANG_CORSICAN = 0x83;
+pub const LANG_CROATIAN = 0x1a;
+pub const LANG_CZECH = 0x05;
+pub const LANG_DANISH = 0x06;
+pub const LANG_DARI = 0x8c;
+pub const LANG_DIVEHI = 0x65;
+pub const LANG_DUTCH = 0x13;
+pub const LANG_ENGLISH = 0x09;
+pub const LANG_ESTONIAN = 0x25;
+pub const LANG_FAEROESE = 0x38;
+pub const LANG_FARSI = 0x29;
+pub const LANG_FILIPINO = 0x64;
+pub const LANG_FINNISH = 0x0b;
+pub const LANG_FRENCH = 0x0c;
+pub const LANG_FRISIAN = 0x62;
+pub const LANG_FULAH = 0x67;
+pub const LANG_GALICIAN = 0x56;
+pub const LANG_GEORGIAN = 0x37;
+pub const LANG_GERMAN = 0x07;
+pub const LANG_GREEK = 0x08;
+pub const LANG_GREENLANDIC = 0x6f;
+pub const LANG_GUJARATI = 0x47;
+pub const LANG_HAUSA = 0x68;
+pub const LANG_HAWAIIAN = 0x75;
+pub const LANG_HEBREW = 0x0d;
+pub const LANG_HINDI = 0x39;
+pub const LANG_HUNGARIAN = 0x0e;
+pub const LANG_ICELANDIC = 0x0f;
+pub const LANG_IGBO = 0x70;
+pub const LANG_INDONESIAN = 0x21;
+pub const LANG_INUKTITUT = 0x5d;
+pub const LANG_IRISH = 0x3c;
+pub const LANG_ITALIAN = 0x10;
+pub const LANG_JAPANESE = 0x11;
+pub const LANG_KANNADA = 0x4b;
+pub const LANG_KASHMIRI = 0x60;
+pub const LANG_KAZAK = 0x3f;
+pub const LANG_KHMER = 0x53;
+pub const LANG_KICHE = 0x86;
+pub const LANG_KINYARWANDA = 0x87;
+pub const LANG_KONKANI = 0x57;
+pub const LANG_KOREAN = 0x12;
+pub const LANG_KYRGYZ = 0x40;
+pub const LANG_LAO = 0x54;
+pub const LANG_LATVIAN = 0x26;
+pub const LANG_LITHUANIAN = 0x27;
+pub const LANG_LOWER_SORBIAN = 0x2e;
+pub const LANG_LUXEMBOURGISH = 0x6e;
+pub const LANG_MACEDONIAN = 0x2f;
+pub const LANG_MALAY = 0x3e;
+pub const LANG_MALAYALAM = 0x4c;
+pub const LANG_MALTESE = 0x3a;
+pub const LANG_MANIPURI = 0x58;
+pub const LANG_MAORI = 0x81;
+pub const LANG_MAPUDUNGUN = 0x7a;
+pub const LANG_MARATHI = 0x4e;
+pub const LANG_MOHAWK = 0x7c;
+pub const LANG_MONGOLIAN = 0x50;
+pub const LANG_NEPALI = 0x61;
+pub const LANG_NORWEGIAN = 0x14;
+pub const LANG_OCCITAN = 0x82;
+pub const LANG_ODIA = 0x48;
+pub const LANG_ORIYA = 0x48;
+pub const LANG_PASHTO = 0x63;
+pub const LANG_PERSIAN = 0x29;
+pub const LANG_POLISH = 0x15;
+pub const LANG_PORTUGUESE = 0x16;
+pub const LANG_PULAR = 0x67;
+pub const LANG_PUNJABI = 0x46;
+pub const LANG_QUECHUA = 0x6b;
+pub const LANG_ROMANIAN = 0x18;
+pub const LANG_ROMANSH = 0x17;
+pub const LANG_RUSSIAN = 0x19;
+pub const LANG_SAKHA = 0x85;
+pub const LANG_SAMI = 0x3b;
+pub const LANG_SANSKRIT = 0x4f;
+pub const LANG_SCOTTISH_GAELIC = 0x91;
+pub const LANG_SERBIAN = 0x1a;
+pub const LANG_SERBIAN_NEUTRAL = 0x7c1a;
+pub const LANG_SINDHI = 0x59;
+pub const LANG_SINHALESE = 0x5b;
+pub const LANG_SLOVAK = 0x1b;
+pub const LANG_SLOVENIAN = 0x24;
+pub const LANG_SOTHO = 0x6c;
+pub const LANG_SPANISH = 0x0a;
+pub const LANG_SWAHILI = 0x41;
+pub const LANG_SWEDISH = 0x1d;
+pub const LANG_SYRIAC = 0x5a;
+pub const LANG_TAJIK = 0x28;
+pub const LANG_TAMAZIGHT = 0x5f;
+pub const LANG_TAMIL = 0x49;
+pub const LANG_TATAR = 0x44;
+pub const LANG_TELUGU = 0x4a;
+pub const LANG_THAI = 0x1e;
+pub const LANG_TIBETAN = 0x51;
+pub const LANG_TIGRIGNA = 0x73;
+pub const LANG_TIGRINYA = 0x73;
+pub const LANG_TSWANA = 0x32;
+pub const LANG_TURKISH = 0x1f;
+pub const LANG_TURKMEN = 0x42;
+pub const LANG_UIGHUR = 0x80;
+pub const LANG_UKRAINIAN = 0x22;
+pub const LANG_UPPER_SORBIAN = 0x2e;
+pub const LANG_URDU = 0x20;
+pub const LANG_UZBEK = 0x43;
+pub const LANG_VALENCIAN = 0x03;
+pub const LANG_VIETNAMESE = 0x2a;
+pub const LANG_WELSH = 0x52;
+pub const LANG_WOLOF = 0x88;
+pub const LANG_XHOSA = 0x34;
+pub const LANG_YAKUT = 0x85;
+pub const LANG_YI = 0x78;
+pub const LANG_YORUBA = 0x6a;
+pub const LANG_ZULU = 0x35;
+pub const SUBLANG_NEUTRAL = 0x00;
+pub const SUBLANG_DEFAULT = 0x01;
+pub const SUBLANG_SYS_DEFAULT = 0x02;
+pub const SUBLANG_CUSTOM_DEFAULT = 0x03;
+pub const SUBLANG_CUSTOM_UNSPECIFIED = 0x04;
+pub const SUBLANG_UI_CUSTOM_DEFAULT = 0x05;
+pub const SUBLANG_AFRIKAANS_SOUTH_AFRICA = 0x01;
+pub const SUBLANG_ALBANIAN_ALBANIA = 0x01;
+pub const SUBLANG_ALSATIAN_FRANCE = 0x01;
+pub const SUBLANG_AMHARIC_ETHIOPIA = 0x01;
+pub const SUBLANG_ARABIC_SAUDI_ARABIA = 0x01;
+pub const SUBLANG_ARABIC_IRAQ = 0x02;
+pub const SUBLANG_ARABIC_EGYPT = 0x03;
+pub const SUBLANG_ARABIC_LIBYA = 0x04;
+pub const SUBLANG_ARABIC_ALGERIA = 0x05;
+pub const SUBLANG_ARABIC_MOROCCO = 0x06;
+pub const SUBLANG_ARABIC_TUNISIA = 0x07;
+pub const SUBLANG_ARABIC_OMAN = 0x08;
+pub const SUBLANG_ARABIC_YEMEN = 0x09;
+pub const SUBLANG_ARABIC_SYRIA = 0x0a;
+pub const SUBLANG_ARABIC_JORDAN = 0x0b;
+pub const SUBLANG_ARABIC_LEBANON = 0x0c;
+pub const SUBLANG_ARABIC_KUWAIT = 0x0d;
+pub const SUBLANG_ARABIC_UAE = 0x0e;
+pub const SUBLANG_ARABIC_BAHRAIN = 0x0f;
+pub const SUBLANG_ARABIC_QATAR = 0x10;
+pub const SUBLANG_ARMENIAN_ARMENIA = 0x01;
+pub const SUBLANG_ASSAMESE_INDIA = 0x01;
+pub const SUBLANG_AZERI_LATIN = 0x01;
+pub const SUBLANG_AZERI_CYRILLIC = 0x02;
+pub const SUBLANG_AZERBAIJANI_AZERBAIJAN_LATIN = 0x01;
+pub const SUBLANG_AZERBAIJANI_AZERBAIJAN_CYRILLIC = 0x02;
+pub const SUBLANG_BANGLA_INDIA = 0x01;
+pub const SUBLANG_BANGLA_BANGLADESH = 0x02;
+pub const SUBLANG_BASHKIR_RUSSIA = 0x01;
+pub const SUBLANG_BASQUE_BASQUE = 0x01;
+pub const SUBLANG_BELARUSIAN_BELARUS = 0x01;
+pub const SUBLANG_BENGALI_INDIA = 0x01;
+pub const SUBLANG_BENGALI_BANGLADESH = 0x02;
+pub const SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_LATIN = 0x05;
+pub const SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC = 0x08;
+pub const SUBLANG_BRETON_FRANCE = 0x01;
+pub const SUBLANG_BULGARIAN_BULGARIA = 0x01;
+pub const SUBLANG_CATALAN_CATALAN = 0x01;
+pub const SUBLANG_CENTRAL_KURDISH_IRAQ = 0x01;
+pub const SUBLANG_CHEROKEE_CHEROKEE = 0x01;
+pub const SUBLANG_CHINESE_TRADITIONAL = 0x01;
+pub const SUBLANG_CHINESE_SIMPLIFIED = 0x02;
+pub const SUBLANG_CHINESE_HONGKONG = 0x03;
+pub const SUBLANG_CHINESE_SINGAPORE = 0x04;
+pub const SUBLANG_CHINESE_MACAU = 0x05;
+pub const SUBLANG_CORSICAN_FRANCE = 0x01;
+pub const SUBLANG_CZECH_CZECH_REPUBLIC = 0x01;
+pub const SUBLANG_CROATIAN_CROATIA = 0x01;
+pub const SUBLANG_CROATIAN_BOSNIA_HERZEGOVINA_LATIN = 0x04;
+pub const SUBLANG_DANISH_DENMARK = 0x01;
+pub const SUBLANG_DARI_AFGHANISTAN = 0x01;
+pub const SUBLANG_DIVEHI_MALDIVES = 0x01;
+pub const SUBLANG_DUTCH = 0x01;
+pub const SUBLANG_DUTCH_BELGIAN = 0x02;
+pub const SUBLANG_ENGLISH_US = 0x01;
+pub const SUBLANG_ENGLISH_UK = 0x02;
+pub const SUBLANG_ENGLISH_AUS = 0x03;
+pub const SUBLANG_ENGLISH_CAN = 0x04;
+pub const SUBLANG_ENGLISH_NZ = 0x05;
+pub const SUBLANG_ENGLISH_EIRE = 0x06;
+pub const SUBLANG_ENGLISH_SOUTH_AFRICA = 0x07;
+pub const SUBLANG_ENGLISH_JAMAICA = 0x08;
+pub const SUBLANG_ENGLISH_CARIBBEAN = 0x09;
+pub const SUBLANG_ENGLISH_BELIZE = 0x0a;
+pub const SUBLANG_ENGLISH_TRINIDAD = 0x0b;
+pub const SUBLANG_ENGLISH_ZIMBABWE = 0x0c;
+pub const SUBLANG_ENGLISH_PHILIPPINES = 0x0d;
+pub const SUBLANG_ENGLISH_INDIA = 0x10;
+pub const SUBLANG_ENGLISH_MALAYSIA = 0x11;
+pub const SUBLANG_ENGLISH_SINGAPORE = 0x12;
+pub const SUBLANG_ESTONIAN_ESTONIA = 0x01;
+pub const SUBLANG_FAEROESE_FAROE_ISLANDS = 0x01;
+pub const SUBLANG_FILIPINO_PHILIPPINES = 0x01;
+pub const SUBLANG_FINNISH_FINLAND = 0x01;
+pub const SUBLANG_FRENCH = 0x01;
+pub const SUBLANG_FRENCH_BELGIAN = 0x02;
+pub const SUBLANG_FRENCH_CANADIAN = 0x03;
+pub const SUBLANG_FRENCH_SWISS = 0x04;
+pub const SUBLANG_FRENCH_LUXEMBOURG = 0x05;
+pub const SUBLANG_FRENCH_MONACO = 0x06;
+pub const SUBLANG_FRISIAN_NETHERLANDS = 0x01;
+pub const SUBLANG_FULAH_SENEGAL = 0x02;
+pub const SUBLANG_GALICIAN_GALICIAN = 0x01;
+pub const SUBLANG_GEORGIAN_GEORGIA = 0x01;
+pub const SUBLANG_GERMAN = 0x01;
+pub const SUBLANG_GERMAN_SWISS = 0x02;
+pub const SUBLANG_GERMAN_AUSTRIAN = 0x03;
+pub const SUBLANG_GERMAN_LUXEMBOURG = 0x04;
+pub const SUBLANG_GERMAN_LIECHTENSTEIN = 0x05;
+pub const SUBLANG_GREEK_GREECE = 0x01;
+pub const SUBLANG_GREENLANDIC_GREENLAND = 0x01;
+pub const SUBLANG_GUJARATI_INDIA = 0x01;
+pub const SUBLANG_HAUSA_NIGERIA_LATIN = 0x01;
+pub const SUBLANG_HAWAIIAN_US = 0x01;
+pub const SUBLANG_HEBREW_ISRAEL = 0x01;
+pub const SUBLANG_HINDI_INDIA = 0x01;
+pub const SUBLANG_HUNGARIAN_HUNGARY = 0x01;
+pub const SUBLANG_ICELANDIC_ICELAND = 0x01;
+pub const SUBLANG_IGBO_NIGERIA = 0x01;
+pub const SUBLANG_INDONESIAN_INDONESIA = 0x01;
+pub const SUBLANG_INUKTITUT_CANADA = 0x01;
+pub const SUBLANG_INUKTITUT_CANADA_LATIN = 0x02;
+pub const SUBLANG_IRISH_IRELAND = 0x02;
+pub const SUBLANG_ITALIAN = 0x01;
+pub const SUBLANG_ITALIAN_SWISS = 0x02;
+pub const SUBLANG_JAPANESE_JAPAN = 0x01;
+pub const SUBLANG_KANNADA_INDIA = 0x01;
+pub const SUBLANG_KASHMIRI_SASIA = 0x02;
+pub const SUBLANG_KASHMIRI_INDIA = 0x02;
+pub const SUBLANG_KAZAK_KAZAKHSTAN = 0x01;
+pub const SUBLANG_KHMER_CAMBODIA = 0x01;
+pub const SUBLANG_KICHE_GUATEMALA = 0x01;
+pub const SUBLANG_KINYARWANDA_RWANDA = 0x01;
+pub const SUBLANG_KONKANI_INDIA = 0x01;
+pub const SUBLANG_KOREAN = 0x01;
+pub const SUBLANG_KYRGYZ_KYRGYZSTAN = 0x01;
+pub const SUBLANG_LAO_LAO = 0x01;
+pub const SUBLANG_LATVIAN_LATVIA = 0x01;
+pub const SUBLANG_LITHUANIAN = 0x01;
+pub const SUBLANG_LOWER_SORBIAN_GERMANY = 0x02;
+pub const SUBLANG_LUXEMBOURGISH_LUXEMBOURG = 0x01;
+pub const SUBLANG_MACEDONIAN_MACEDONIA = 0x01;
+pub const SUBLANG_MALAY_MALAYSIA = 0x01;
+pub const SUBLANG_MALAY_BRUNEI_DARUSSALAM = 0x02;
+pub const SUBLANG_MALAYALAM_INDIA = 0x01;
+pub const SUBLANG_MALTESE_MALTA = 0x01;
+pub const SUBLANG_MAORI_NEW_ZEALAND = 0x01;
+pub const SUBLANG_MAPUDUNGUN_CHILE = 0x01;
+pub const SUBLANG_MARATHI_INDIA = 0x01;
+pub const SUBLANG_MOHAWK_MOHAWK = 0x01;
+pub const SUBLANG_MONGOLIAN_CYRILLIC_MONGOLIA = 0x01;
+pub const SUBLANG_MONGOLIAN_PRC = 0x02;
+pub const SUBLANG_NEPALI_INDIA = 0x02;
+pub const SUBLANG_NEPALI_NEPAL = 0x01;
+pub const SUBLANG_NORWEGIAN_BOKMAL = 0x01;
+pub const SUBLANG_NORWEGIAN_NYNORSK = 0x02;
+pub const SUBLANG_OCCITAN_FRANCE = 0x01;
+pub const SUBLANG_ODIA_INDIA = 0x01;
+pub const SUBLANG_ORIYA_INDIA = 0x01;
+pub const SUBLANG_PASHTO_AFGHANISTAN = 0x01;
+pub const SUBLANG_PERSIAN_IRAN = 0x01;
+pub const SUBLANG_POLISH_POLAND = 0x01;
+pub const SUBLANG_PORTUGUESE = 0x02;
+pub const SUBLANG_PORTUGUESE_BRAZILIAN = 0x01;
+pub const SUBLANG_PULAR_SENEGAL = 0x02;
+pub const SUBLANG_PUNJABI_INDIA = 0x01;
+pub const SUBLANG_PUNJABI_PAKISTAN = 0x02;
+pub const SUBLANG_QUECHUA_BOLIVIA = 0x01;
+pub const SUBLANG_QUECHUA_ECUADOR = 0x02;
+pub const SUBLANG_QUECHUA_PERU = 0x03;
+pub const SUBLANG_ROMANIAN_ROMANIA = 0x01;
+pub const SUBLANG_ROMANSH_SWITZERLAND = 0x01;
+pub const SUBLANG_RUSSIAN_RUSSIA = 0x01;
+pub const SUBLANG_SAKHA_RUSSIA = 0x01;
+pub const SUBLANG_SAMI_NORTHERN_NORWAY = 0x01;
+pub const SUBLANG_SAMI_NORTHERN_SWEDEN = 0x02;
+pub const SUBLANG_SAMI_NORTHERN_FINLAND = 0x03;
+pub const SUBLANG_SAMI_LULE_NORWAY = 0x04;
+pub const SUBLANG_SAMI_LULE_SWEDEN = 0x05;
+pub const SUBLANG_SAMI_SOUTHERN_NORWAY = 0x06;
+pub const SUBLANG_SAMI_SOUTHERN_SWEDEN = 0x07;
+pub const SUBLANG_SAMI_SKOLT_FINLAND = 0x08;
+pub const SUBLANG_SAMI_INARI_FINLAND = 0x09;
+pub const SUBLANG_SANSKRIT_INDIA = 0x01;
+pub const SUBLANG_SCOTTISH_GAELIC = 0x01;
+pub const SUBLANG_SERBIAN_BOSNIA_HERZEGOVINA_LATIN = 0x06;
+pub const SUBLANG_SERBIAN_BOSNIA_HERZEGOVINA_CYRILLIC = 0x07;
+pub const SUBLANG_SERBIAN_MONTENEGRO_LATIN = 0x0b;
+pub const SUBLANG_SERBIAN_MONTENEGRO_CYRILLIC = 0x0c;
+pub const SUBLANG_SERBIAN_SERBIA_LATIN = 0x09;
+pub const SUBLANG_SERBIAN_SERBIA_CYRILLIC = 0x0a;
+pub const SUBLANG_SERBIAN_CROATIA = 0x01;
+pub const SUBLANG_SERBIAN_LATIN = 0x02;
+pub const SUBLANG_SERBIAN_CYRILLIC = 0x03;
+pub const SUBLANG_SINDHI_INDIA = 0x01;
+pub const SUBLANG_SINDHI_PAKISTAN = 0x02;
+pub const SUBLANG_SINDHI_AFGHANISTAN = 0x02;
+pub const SUBLANG_SINHALESE_SRI_LANKA = 0x01;
+pub const SUBLANG_SOTHO_NORTHERN_SOUTH_AFRICA = 0x01;
+pub const SUBLANG_SLOVAK_SLOVAKIA = 0x01;
+pub const SUBLANG_SLOVENIAN_SLOVENIA = 0x01;
+pub const SUBLANG_SPANISH = 0x01;
+pub const SUBLANG_SPANISH_MEXICAN = 0x02;
+pub const SUBLANG_SPANISH_MODERN = 0x03;
+pub const SUBLANG_SPANISH_GUATEMALA = 0x04;
+pub const SUBLANG_SPANISH_COSTA_RICA = 0x05;
+pub const SUBLANG_SPANISH_PANAMA = 0x06;
+pub const SUBLANG_SPANISH_DOMINICAN_REPUBLIC = 0x07;
+pub const SUBLANG_SPANISH_VENEZUELA = 0x08;
+pub const SUBLANG_SPANISH_COLOMBIA = 0x09;
+pub const SUBLANG_SPANISH_PERU = 0x0a;
+pub const SUBLANG_SPANISH_ARGENTINA = 0x0b;
+pub const SUBLANG_SPANISH_ECUADOR = 0x0c;
+pub const SUBLANG_SPANISH_CHILE = 0x0d;
+pub const SUBLANG_SPANISH_URUGUAY = 0x0e;
+pub const SUBLANG_SPANISH_PARAGUAY = 0x0f;
+pub const SUBLANG_SPANISH_BOLIVIA = 0x10;
+pub const SUBLANG_SPANISH_EL_SALVADOR = 0x11;
+pub const SUBLANG_SPANISH_HONDURAS = 0x12;
+pub const SUBLANG_SPANISH_NICARAGUA = 0x13;
+pub const SUBLANG_SPANISH_PUERTO_RICO = 0x14;
+pub const SUBLANG_SPANISH_US = 0x15;
+pub const SUBLANG_SWAHILI_KENYA = 0x01;
+pub const SUBLANG_SWEDISH = 0x01;
+pub const SUBLANG_SWEDISH_FINLAND = 0x02;
+pub const SUBLANG_SYRIAC_SYRIA = 0x01;
+pub const SUBLANG_TAJIK_TAJIKISTAN = 0x01;
+pub const SUBLANG_TAMAZIGHT_ALGERIA_LATIN = 0x02;
+pub const SUBLANG_TAMAZIGHT_MOROCCO_TIFINAGH = 0x04;
+pub const SUBLANG_TAMIL_INDIA = 0x01;
+pub const SUBLANG_TAMIL_SRI_LANKA = 0x02;
+pub const SUBLANG_TATAR_RUSSIA = 0x01;
+pub const SUBLANG_TELUGU_INDIA = 0x01;
+pub const SUBLANG_THAI_THAILAND = 0x01;
+pub const SUBLANG_TIBETAN_PRC = 0x01;
+pub const SUBLANG_TIGRIGNA_ERITREA = 0x02;
+pub const SUBLANG_TIGRINYA_ERITREA = 0x02;
+pub const SUBLANG_TIGRINYA_ETHIOPIA = 0x01;
+pub const SUBLANG_TSWANA_BOTSWANA = 0x02;
+pub const SUBLANG_TSWANA_SOUTH_AFRICA = 0x01;
+pub const SUBLANG_TURKISH_TURKEY = 0x01;
+pub const SUBLANG_TURKMEN_TURKMENISTAN = 0x01;
+pub const SUBLANG_UIGHUR_PRC = 0x01;
+pub const SUBLANG_UKRAINIAN_UKRAINE = 0x01;
+pub const SUBLANG_UPPER_SORBIAN_GERMANY = 0x01;
+pub const SUBLANG_URDU_PAKISTAN = 0x01;
+pub const SUBLANG_URDU_INDIA = 0x02;
+pub const SUBLANG_UZBEK_LATIN = 0x01;
+pub const SUBLANG_UZBEK_CYRILLIC = 0x02;
+pub const SUBLANG_VALENCIAN_VALENCIA = 0x02;
+pub const SUBLANG_VIETNAMESE_VIETNAM = 0x01;
+pub const SUBLANG_WELSH_UNITED_KINGDOM = 0x01;
+pub const SUBLANG_WOLOF_SENEGAL = 0x01;
+pub const SUBLANG_XHOSA_SOUTH_AFRICA = 0x01;
+pub const SUBLANG_YAKUT_RUSSIA = 0x01;
+pub const SUBLANG_YI_PRC = 0x01;
+pub const SUBLANG_YORUBA_NIGERIA = 0x01;
+pub const SUBLANG_ZULU_SOUTH_AFRICA = 0x01;

From 0aabfb09f9a33f7199e53996a0baa9b5eb8b1e50 Mon Sep 17 00:00:00 2001
From: emekoi <emekankurumeh@outlook.com>
Date: Wed, 5 Jun 2019 14:57:20 -0500
Subject: [PATCH 2/4] removed duplicate definitions

---
 std/os/windows/bits.zig | 2 --
 1 file changed, 2 deletions(-)

diff --git a/std/os/windows/bits.zig b/std/os/windows/bits.zig
index d05266c9f..b463ef4c6 100644
--- a/std/os/windows/bits.zig
+++ b/std/os/windows/bits.zig
@@ -538,5 +538,3 @@ pub const FORMAT_MESSAGE_FROM_STRING = 0x00000400;
 pub const FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
 pub const FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
 pub const FORMAT_MESSAGE_MAX_WIDTH_MASK = 0x000000FF;
-pub const FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
-pub const FORMAT_MESSAGE_FROM_STRING = 0x00000400;

From 0288034c2f2d158970cd481e1810a2301ab0b50a Mon Sep 17 00:00:00 2001
From: emekoi <emekankurumeh@outlook.com>
Date: Wed, 5 Jun 2019 15:30:01 -0500
Subject: [PATCH 3/4] fixed mismatched types

---
 CMakeLists.txt              | 1 +
 std/os/windows.zig          | 4 ++--
 std/os/windows/kernel32.zig | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ff4cebf4..206e2ccf9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -630,6 +630,7 @@ set(ZIG_STD_FILES
     "os/windows/bits.zig"
     "os/windows/error.zig"
     "os/windows/kernel32.zig"
+    "os/windows/lang.zig"
     "os/windows/ntdll.zig"
     "os/windows/ole32.zig"
     "os/windows/shell32.zig"
diff --git a/std/os/windows.zig b/std/os/windows.zig
index 0757d9924..4d5dda014 100644
--- a/std/os/windows.zig
+++ b/std/os/windows.zig
@@ -756,7 +756,7 @@ pub fn sliceToPrefixedSuffixedFileW(s: []const u8, comptime suffix: []const u16)
     return result;
 }
 
-inline fn MAKELANGID(p: USHORT, s: USHORT) LANGID {
+inline fn MAKELANGID(p: c_ushort, s: c_ushort) LANGID {
     return (s << 10) | p;
 }
 
@@ -765,7 +765,7 @@ inline fn MAKELANGID(p: USHORT, s: USHORT) LANGID {
 pub fn unexpectedError(err: DWORD) std.os.UnexpectedError {
     if (std.os.unexpected_error_tracing) {
         var buf: LPSTR = undefined;
-        const len = kernel32.FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, null, err, MAKELANGID(LANG.LANG_NEUTRAL, LANG.SUBLANG_DEFAULT), buf, 0, null);
+        const len = kernel32.FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, null, err, MAKELANGID(LANG.LANG_NEUTRAL, LANG.SUBLANG_DEFAULT), @ptrCast(LPSTR, &buf), 0, null);
         defer _ = kernel32.LocalFree(@ptrCast(HLOCAL, buf));
         std.debug.warn("error.Unexpected: {}: {}\n", err, buf[0..len]);
 
diff --git a/std/os/windows/kernel32.zig b/std/os/windows/kernel32.zig
index bee1b8254..fb1cff00f 100644
--- a/std/os/windows/kernel32.zig
+++ b/std/os/windows/kernel32.zig
@@ -50,7 +50,7 @@ pub extern "kernel32" stdcallcc fn FindFirstFileW(lpFileName: [*]const u16, lpFi
 pub extern "kernel32" stdcallcc fn FindClose(hFindFile: HANDLE) BOOL;
 pub extern "kernel32" stdcallcc fn FindNextFileW(hFindFile: HANDLE, lpFindFileData: *WIN32_FIND_DATAW) BOOL;
 
-pub extern "kernel32" stdcallcc fn FormatMessageA(dwFlags: DWORD, lpSource: LPVOID, dwMessageId: DWORD, dwLanguageId: DWORD, lpBuffer: LPSTR, nSize: DWORD, Arguments: ?*va_list) DWORD;
+pub extern "kernel32" stdcallcc fn FormatMessageA(dwFlags: DWORD, lpSource: ?LPVOID, dwMessageId: DWORD, dwLanguageId: DWORD, lpBuffer: LPSTR, nSize: DWORD, Arguments: ?*va_list) DWORD;
 
 pub extern "kernel32" stdcallcc fn FreeEnvironmentStringsW(penv: [*]u16) BOOL;
 

From 26613bfa011ec63b1f3a141e0201223853cc04e6 Mon Sep 17 00:00:00 2001
From: emekoi <emekankurumeh@outlook.com>
Date: Wed, 5 Jun 2019 17:18:56 -0500
Subject: [PATCH 4/4] switched to fixed-length buffer for error messages

---
 CMakeLists.txt              |   1 +
 std/os/windows.zig          |  14 +-
 std/os/windows/bits.zig     |   1 +
 std/os/windows/kernel32.zig |   4 +-
 std/os/windows/lang.zig     | 524 ++++++++++--------------------------
 std/os/windows/sublang.zig  | 244 +++++++++++++++++
 6 files changed, 396 insertions(+), 392 deletions(-)
 create mode 100644 std/os/windows/sublang.zig

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 206e2ccf9..d77b6f09a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -634,6 +634,7 @@ set(ZIG_STD_FILES
     "os/windows/ntdll.zig"
     "os/windows/ole32.zig"
     "os/windows/shell32.zig"
+    "os/windows/sublang.zig"
     "os/zen.zig"
     "packed_int_array.zig"
     "pdb.zig"
diff --git a/std/os/windows.zig b/std/os/windows.zig
index 4d5dda014..1b25f59a5 100644
--- a/std/os/windows.zig
+++ b/std/os/windows.zig
@@ -764,11 +764,15 @@ inline fn MAKELANGID(p: c_ushort, s: c_ushort) LANGID {
 /// and you get an unexpected error.
 pub fn unexpectedError(err: DWORD) std.os.UnexpectedError {
     if (std.os.unexpected_error_tracing) {
-        var buf: LPSTR = undefined;
-        const len = kernel32.FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, null, err, MAKELANGID(LANG.LANG_NEUTRAL, LANG.SUBLANG_DEFAULT), @ptrCast(LPSTR, &buf), 0, null);
-        defer _ = kernel32.LocalFree(@ptrCast(HLOCAL, buf));
-        std.debug.warn("error.Unexpected: {}: {}\n", err, buf[0..len]);
-
+        // 614 is the length of the longest windows error desciption
+        var buf_u16: [614]u16 = undefined;
+        var buf_u8: [614]u8 = undefined;
+        var len = kernel32.FormatMessageW(
+            FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+            null, err, MAKELANGID(LANG.NEUTRAL, SUBLANG.DEFAULT),
+            buf_u16[0..].ptr, buf_u16.len / @sizeOf(TCHAR), null);
+        _ = std.unicode.utf16leToUtf8(&buf_u8, buf_u16[0..len]) catch unreachable;
+        std.debug.warn("error.Unexpected: GetLastError({}): {}\n", err, buf_u8[0..len]);
         std.debug.dumpCurrentStackTrace(null);
     }
     return error.Unexpected;
diff --git a/std/os/windows/bits.zig b/std/os/windows/bits.zig
index b463ef4c6..c99f3ae46 100644
--- a/std/os/windows/bits.zig
+++ b/std/os/windows/bits.zig
@@ -7,6 +7,7 @@ const maxInt = std.math.maxInt;
 
 pub const ERROR = @import("error.zig");
 pub const LANG = @import("lang.zig");
+pub const SUBLANG = @import("sublang.zig");
 
 /// The standard input device. Initially, this is the console input buffer, CONIN$.
 pub const STD_INPUT_HANDLE = maxInt(DWORD) - 10 + 1;
diff --git a/std/os/windows/kernel32.zig b/std/os/windows/kernel32.zig
index fb1cff00f..27516342a 100644
--- a/std/os/windows/kernel32.zig
+++ b/std/os/windows/kernel32.zig
@@ -50,7 +50,7 @@ pub extern "kernel32" stdcallcc fn FindFirstFileW(lpFileName: [*]const u16, lpFi
 pub extern "kernel32" stdcallcc fn FindClose(hFindFile: HANDLE) BOOL;
 pub extern "kernel32" stdcallcc fn FindNextFileW(hFindFile: HANDLE, lpFindFileData: *WIN32_FIND_DATAW) BOOL;
 
-pub extern "kernel32" stdcallcc fn FormatMessageA(dwFlags: DWORD, lpSource: ?LPVOID, dwMessageId: DWORD, dwLanguageId: DWORD, lpBuffer: LPSTR, nSize: DWORD, Arguments: ?*va_list) DWORD;
+pub extern "kernel32" stdcallcc fn FormatMessageW(dwFlags: DWORD, lpSource: ?LPVOID, dwMessageId: DWORD, dwLanguageId: DWORD, lpBuffer: LPWSTR, nSize: DWORD, Arguments: ?*va_list) DWORD;
 
 pub extern "kernel32" stdcallcc fn FreeEnvironmentStringsW(penv: [*]u16) BOOL;
 
@@ -118,8 +118,6 @@ pub extern "kernel32" stdcallcc fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem
 
 pub extern "kernel32" stdcallcc fn HeapValidate(hHeap: HANDLE, dwFlags: DWORD, lpMem: ?*const c_void) BOOL;
 
-pub extern "kernel32" stdcallcc fn LocalFree(hMem: HLOCAL) ?HLOCAL;
-
 pub extern "kernel32" stdcallcc fn VirtualAlloc(lpAddress: ?LPVOID, dwSize: SIZE_T, flAllocationType: DWORD, flProtect: DWORD) ?LPVOID;
 pub extern "kernel32" stdcallcc fn VirtualFree(lpAddress: ?LPVOID, dwSize: SIZE_T, dwFreeType: DWORD) BOOL;
 
diff --git a/std/os/windows/lang.zig b/std/os/windows/lang.zig
index 7e6e2d1a7..b173a62a7 100644
--- a/std/os/windows/lang.zig
+++ b/std/os/windows/lang.zig
@@ -1,384 +1,140 @@
-pub const LANG_NEUTRAL = 0x00;
-pub const LANG_INVARIANT = 0x7f;
-pub const LANG_AFRIKAANS = 0x36;
-pub const LANG_ALBANIAN = 0x1c;
-pub const LANG_ALSATIAN = 0x84;
-pub const LANG_AMHARIC = 0x5e;
-pub const LANG_ARABIC = 0x01;
-pub const LANG_ARMENIAN = 0x2b;
-pub const LANG_ASSAMESE = 0x4d;
-pub const LANG_AZERI = 0x2c;
-pub const LANG_AZERBAIJANI = 0x2c;
-pub const LANG_BANGLA = 0x45;
-pub const LANG_BASHKIR = 0x6d;
-pub const LANG_BASQUE = 0x2d;
-pub const LANG_BELARUSIAN = 0x23;
-pub const LANG_BENGALI = 0x45;
-pub const LANG_BRETON = 0x7e;
-pub const LANG_BOSNIAN = 0x1a;
-pub const LANG_BOSNIAN_NEUTRAL = 0x781a;
-pub const LANG_BULGARIAN = 0x02;
-pub const LANG_CATALAN = 0x03;
-pub const LANG_CENTRAL_KURDISH = 0x92;
-pub const LANG_CHEROKEE = 0x5c;
-pub const LANG_CHINESE = 0x04;
-pub const LANG_CHINESE_SIMPLIFIED = 0x04;
-pub const LANG_CHINESE_TRADITIONAL = 0x7c04;
-pub const LANG_CORSICAN = 0x83;
-pub const LANG_CROATIAN = 0x1a;
-pub const LANG_CZECH = 0x05;
-pub const LANG_DANISH = 0x06;
-pub const LANG_DARI = 0x8c;
-pub const LANG_DIVEHI = 0x65;
-pub const LANG_DUTCH = 0x13;
-pub const LANG_ENGLISH = 0x09;
-pub const LANG_ESTONIAN = 0x25;
-pub const LANG_FAEROESE = 0x38;
-pub const LANG_FARSI = 0x29;
-pub const LANG_FILIPINO = 0x64;
-pub const LANG_FINNISH = 0x0b;
-pub const LANG_FRENCH = 0x0c;
-pub const LANG_FRISIAN = 0x62;
-pub const LANG_FULAH = 0x67;
-pub const LANG_GALICIAN = 0x56;
-pub const LANG_GEORGIAN = 0x37;
-pub const LANG_GERMAN = 0x07;
-pub const LANG_GREEK = 0x08;
-pub const LANG_GREENLANDIC = 0x6f;
-pub const LANG_GUJARATI = 0x47;
-pub const LANG_HAUSA = 0x68;
-pub const LANG_HAWAIIAN = 0x75;
-pub const LANG_HEBREW = 0x0d;
-pub const LANG_HINDI = 0x39;
-pub const LANG_HUNGARIAN = 0x0e;
-pub const LANG_ICELANDIC = 0x0f;
-pub const LANG_IGBO = 0x70;
-pub const LANG_INDONESIAN = 0x21;
-pub const LANG_INUKTITUT = 0x5d;
-pub const LANG_IRISH = 0x3c;
-pub const LANG_ITALIAN = 0x10;
-pub const LANG_JAPANESE = 0x11;
-pub const LANG_KANNADA = 0x4b;
-pub const LANG_KASHMIRI = 0x60;
-pub const LANG_KAZAK = 0x3f;
-pub const LANG_KHMER = 0x53;
-pub const LANG_KICHE = 0x86;
-pub const LANG_KINYARWANDA = 0x87;
-pub const LANG_KONKANI = 0x57;
-pub const LANG_KOREAN = 0x12;
-pub const LANG_KYRGYZ = 0x40;
-pub const LANG_LAO = 0x54;
-pub const LANG_LATVIAN = 0x26;
-pub const LANG_LITHUANIAN = 0x27;
-pub const LANG_LOWER_SORBIAN = 0x2e;
-pub const LANG_LUXEMBOURGISH = 0x6e;
-pub const LANG_MACEDONIAN = 0x2f;
-pub const LANG_MALAY = 0x3e;
-pub const LANG_MALAYALAM = 0x4c;
-pub const LANG_MALTESE = 0x3a;
-pub const LANG_MANIPURI = 0x58;
-pub const LANG_MAORI = 0x81;
-pub const LANG_MAPUDUNGUN = 0x7a;
-pub const LANG_MARATHI = 0x4e;
-pub const LANG_MOHAWK = 0x7c;
-pub const LANG_MONGOLIAN = 0x50;
-pub const LANG_NEPALI = 0x61;
-pub const LANG_NORWEGIAN = 0x14;
-pub const LANG_OCCITAN = 0x82;
-pub const LANG_ODIA = 0x48;
-pub const LANG_ORIYA = 0x48;
-pub const LANG_PASHTO = 0x63;
-pub const LANG_PERSIAN = 0x29;
-pub const LANG_POLISH = 0x15;
-pub const LANG_PORTUGUESE = 0x16;
-pub const LANG_PULAR = 0x67;
-pub const LANG_PUNJABI = 0x46;
-pub const LANG_QUECHUA = 0x6b;
-pub const LANG_ROMANIAN = 0x18;
-pub const LANG_ROMANSH = 0x17;
-pub const LANG_RUSSIAN = 0x19;
-pub const LANG_SAKHA = 0x85;
-pub const LANG_SAMI = 0x3b;
-pub const LANG_SANSKRIT = 0x4f;
-pub const LANG_SCOTTISH_GAELIC = 0x91;
-pub const LANG_SERBIAN = 0x1a;
-pub const LANG_SERBIAN_NEUTRAL = 0x7c1a;
-pub const LANG_SINDHI = 0x59;
-pub const LANG_SINHALESE = 0x5b;
-pub const LANG_SLOVAK = 0x1b;
-pub const LANG_SLOVENIAN = 0x24;
-pub const LANG_SOTHO = 0x6c;
-pub const LANG_SPANISH = 0x0a;
-pub const LANG_SWAHILI = 0x41;
-pub const LANG_SWEDISH = 0x1d;
-pub const LANG_SYRIAC = 0x5a;
-pub const LANG_TAJIK = 0x28;
-pub const LANG_TAMAZIGHT = 0x5f;
-pub const LANG_TAMIL = 0x49;
-pub const LANG_TATAR = 0x44;
-pub const LANG_TELUGU = 0x4a;
-pub const LANG_THAI = 0x1e;
-pub const LANG_TIBETAN = 0x51;
-pub const LANG_TIGRIGNA = 0x73;
-pub const LANG_TIGRINYA = 0x73;
-pub const LANG_TSWANA = 0x32;
-pub const LANG_TURKISH = 0x1f;
-pub const LANG_TURKMEN = 0x42;
-pub const LANG_UIGHUR = 0x80;
-pub const LANG_UKRAINIAN = 0x22;
-pub const LANG_UPPER_SORBIAN = 0x2e;
-pub const LANG_URDU = 0x20;
-pub const LANG_UZBEK = 0x43;
-pub const LANG_VALENCIAN = 0x03;
-pub const LANG_VIETNAMESE = 0x2a;
-pub const LANG_WELSH = 0x52;
-pub const LANG_WOLOF = 0x88;
-pub const LANG_XHOSA = 0x34;
-pub const LANG_YAKUT = 0x85;
-pub const LANG_YI = 0x78;
-pub const LANG_YORUBA = 0x6a;
-pub const LANG_ZULU = 0x35;
-pub const SUBLANG_NEUTRAL = 0x00;
-pub const SUBLANG_DEFAULT = 0x01;
-pub const SUBLANG_SYS_DEFAULT = 0x02;
-pub const SUBLANG_CUSTOM_DEFAULT = 0x03;
-pub const SUBLANG_CUSTOM_UNSPECIFIED = 0x04;
-pub const SUBLANG_UI_CUSTOM_DEFAULT = 0x05;
-pub const SUBLANG_AFRIKAANS_SOUTH_AFRICA = 0x01;
-pub const SUBLANG_ALBANIAN_ALBANIA = 0x01;
-pub const SUBLANG_ALSATIAN_FRANCE = 0x01;
-pub const SUBLANG_AMHARIC_ETHIOPIA = 0x01;
-pub const SUBLANG_ARABIC_SAUDI_ARABIA = 0x01;
-pub const SUBLANG_ARABIC_IRAQ = 0x02;
-pub const SUBLANG_ARABIC_EGYPT = 0x03;
-pub const SUBLANG_ARABIC_LIBYA = 0x04;
-pub const SUBLANG_ARABIC_ALGERIA = 0x05;
-pub const SUBLANG_ARABIC_MOROCCO = 0x06;
-pub const SUBLANG_ARABIC_TUNISIA = 0x07;
-pub const SUBLANG_ARABIC_OMAN = 0x08;
-pub const SUBLANG_ARABIC_YEMEN = 0x09;
-pub const SUBLANG_ARABIC_SYRIA = 0x0a;
-pub const SUBLANG_ARABIC_JORDAN = 0x0b;
-pub const SUBLANG_ARABIC_LEBANON = 0x0c;
-pub const SUBLANG_ARABIC_KUWAIT = 0x0d;
-pub const SUBLANG_ARABIC_UAE = 0x0e;
-pub const SUBLANG_ARABIC_BAHRAIN = 0x0f;
-pub const SUBLANG_ARABIC_QATAR = 0x10;
-pub const SUBLANG_ARMENIAN_ARMENIA = 0x01;
-pub const SUBLANG_ASSAMESE_INDIA = 0x01;
-pub const SUBLANG_AZERI_LATIN = 0x01;
-pub const SUBLANG_AZERI_CYRILLIC = 0x02;
-pub const SUBLANG_AZERBAIJANI_AZERBAIJAN_LATIN = 0x01;
-pub const SUBLANG_AZERBAIJANI_AZERBAIJAN_CYRILLIC = 0x02;
-pub const SUBLANG_BANGLA_INDIA = 0x01;
-pub const SUBLANG_BANGLA_BANGLADESH = 0x02;
-pub const SUBLANG_BASHKIR_RUSSIA = 0x01;
-pub const SUBLANG_BASQUE_BASQUE = 0x01;
-pub const SUBLANG_BELARUSIAN_BELARUS = 0x01;
-pub const SUBLANG_BENGALI_INDIA = 0x01;
-pub const SUBLANG_BENGALI_BANGLADESH = 0x02;
-pub const SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_LATIN = 0x05;
-pub const SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC = 0x08;
-pub const SUBLANG_BRETON_FRANCE = 0x01;
-pub const SUBLANG_BULGARIAN_BULGARIA = 0x01;
-pub const SUBLANG_CATALAN_CATALAN = 0x01;
-pub const SUBLANG_CENTRAL_KURDISH_IRAQ = 0x01;
-pub const SUBLANG_CHEROKEE_CHEROKEE = 0x01;
-pub const SUBLANG_CHINESE_TRADITIONAL = 0x01;
-pub const SUBLANG_CHINESE_SIMPLIFIED = 0x02;
-pub const SUBLANG_CHINESE_HONGKONG = 0x03;
-pub const SUBLANG_CHINESE_SINGAPORE = 0x04;
-pub const SUBLANG_CHINESE_MACAU = 0x05;
-pub const SUBLANG_CORSICAN_FRANCE = 0x01;
-pub const SUBLANG_CZECH_CZECH_REPUBLIC = 0x01;
-pub const SUBLANG_CROATIAN_CROATIA = 0x01;
-pub const SUBLANG_CROATIAN_BOSNIA_HERZEGOVINA_LATIN = 0x04;
-pub const SUBLANG_DANISH_DENMARK = 0x01;
-pub const SUBLANG_DARI_AFGHANISTAN = 0x01;
-pub const SUBLANG_DIVEHI_MALDIVES = 0x01;
-pub const SUBLANG_DUTCH = 0x01;
-pub const SUBLANG_DUTCH_BELGIAN = 0x02;
-pub const SUBLANG_ENGLISH_US = 0x01;
-pub const SUBLANG_ENGLISH_UK = 0x02;
-pub const SUBLANG_ENGLISH_AUS = 0x03;
-pub const SUBLANG_ENGLISH_CAN = 0x04;
-pub const SUBLANG_ENGLISH_NZ = 0x05;
-pub const SUBLANG_ENGLISH_EIRE = 0x06;
-pub const SUBLANG_ENGLISH_SOUTH_AFRICA = 0x07;
-pub const SUBLANG_ENGLISH_JAMAICA = 0x08;
-pub const SUBLANG_ENGLISH_CARIBBEAN = 0x09;
-pub const SUBLANG_ENGLISH_BELIZE = 0x0a;
-pub const SUBLANG_ENGLISH_TRINIDAD = 0x0b;
-pub const SUBLANG_ENGLISH_ZIMBABWE = 0x0c;
-pub const SUBLANG_ENGLISH_PHILIPPINES = 0x0d;
-pub const SUBLANG_ENGLISH_INDIA = 0x10;
-pub const SUBLANG_ENGLISH_MALAYSIA = 0x11;
-pub const SUBLANG_ENGLISH_SINGAPORE = 0x12;
-pub const SUBLANG_ESTONIAN_ESTONIA = 0x01;
-pub const SUBLANG_FAEROESE_FAROE_ISLANDS = 0x01;
-pub const SUBLANG_FILIPINO_PHILIPPINES = 0x01;
-pub const SUBLANG_FINNISH_FINLAND = 0x01;
-pub const SUBLANG_FRENCH = 0x01;
-pub const SUBLANG_FRENCH_BELGIAN = 0x02;
-pub const SUBLANG_FRENCH_CANADIAN = 0x03;
-pub const SUBLANG_FRENCH_SWISS = 0x04;
-pub const SUBLANG_FRENCH_LUXEMBOURG = 0x05;
-pub const SUBLANG_FRENCH_MONACO = 0x06;
-pub const SUBLANG_FRISIAN_NETHERLANDS = 0x01;
-pub const SUBLANG_FULAH_SENEGAL = 0x02;
-pub const SUBLANG_GALICIAN_GALICIAN = 0x01;
-pub const SUBLANG_GEORGIAN_GEORGIA = 0x01;
-pub const SUBLANG_GERMAN = 0x01;
-pub const SUBLANG_GERMAN_SWISS = 0x02;
-pub const SUBLANG_GERMAN_AUSTRIAN = 0x03;
-pub const SUBLANG_GERMAN_LUXEMBOURG = 0x04;
-pub const SUBLANG_GERMAN_LIECHTENSTEIN = 0x05;
-pub const SUBLANG_GREEK_GREECE = 0x01;
-pub const SUBLANG_GREENLANDIC_GREENLAND = 0x01;
-pub const SUBLANG_GUJARATI_INDIA = 0x01;
-pub const SUBLANG_HAUSA_NIGERIA_LATIN = 0x01;
-pub const SUBLANG_HAWAIIAN_US = 0x01;
-pub const SUBLANG_HEBREW_ISRAEL = 0x01;
-pub const SUBLANG_HINDI_INDIA = 0x01;
-pub const SUBLANG_HUNGARIAN_HUNGARY = 0x01;
-pub const SUBLANG_ICELANDIC_ICELAND = 0x01;
-pub const SUBLANG_IGBO_NIGERIA = 0x01;
-pub const SUBLANG_INDONESIAN_INDONESIA = 0x01;
-pub const SUBLANG_INUKTITUT_CANADA = 0x01;
-pub const SUBLANG_INUKTITUT_CANADA_LATIN = 0x02;
-pub const SUBLANG_IRISH_IRELAND = 0x02;
-pub const SUBLANG_ITALIAN = 0x01;
-pub const SUBLANG_ITALIAN_SWISS = 0x02;
-pub const SUBLANG_JAPANESE_JAPAN = 0x01;
-pub const SUBLANG_KANNADA_INDIA = 0x01;
-pub const SUBLANG_KASHMIRI_SASIA = 0x02;
-pub const SUBLANG_KASHMIRI_INDIA = 0x02;
-pub const SUBLANG_KAZAK_KAZAKHSTAN = 0x01;
-pub const SUBLANG_KHMER_CAMBODIA = 0x01;
-pub const SUBLANG_KICHE_GUATEMALA = 0x01;
-pub const SUBLANG_KINYARWANDA_RWANDA = 0x01;
-pub const SUBLANG_KONKANI_INDIA = 0x01;
-pub const SUBLANG_KOREAN = 0x01;
-pub const SUBLANG_KYRGYZ_KYRGYZSTAN = 0x01;
-pub const SUBLANG_LAO_LAO = 0x01;
-pub const SUBLANG_LATVIAN_LATVIA = 0x01;
-pub const SUBLANG_LITHUANIAN = 0x01;
-pub const SUBLANG_LOWER_SORBIAN_GERMANY = 0x02;
-pub const SUBLANG_LUXEMBOURGISH_LUXEMBOURG = 0x01;
-pub const SUBLANG_MACEDONIAN_MACEDONIA = 0x01;
-pub const SUBLANG_MALAY_MALAYSIA = 0x01;
-pub const SUBLANG_MALAY_BRUNEI_DARUSSALAM = 0x02;
-pub const SUBLANG_MALAYALAM_INDIA = 0x01;
-pub const SUBLANG_MALTESE_MALTA = 0x01;
-pub const SUBLANG_MAORI_NEW_ZEALAND = 0x01;
-pub const SUBLANG_MAPUDUNGUN_CHILE = 0x01;
-pub const SUBLANG_MARATHI_INDIA = 0x01;
-pub const SUBLANG_MOHAWK_MOHAWK = 0x01;
-pub const SUBLANG_MONGOLIAN_CYRILLIC_MONGOLIA = 0x01;
-pub const SUBLANG_MONGOLIAN_PRC = 0x02;
-pub const SUBLANG_NEPALI_INDIA = 0x02;
-pub const SUBLANG_NEPALI_NEPAL = 0x01;
-pub const SUBLANG_NORWEGIAN_BOKMAL = 0x01;
-pub const SUBLANG_NORWEGIAN_NYNORSK = 0x02;
-pub const SUBLANG_OCCITAN_FRANCE = 0x01;
-pub const SUBLANG_ODIA_INDIA = 0x01;
-pub const SUBLANG_ORIYA_INDIA = 0x01;
-pub const SUBLANG_PASHTO_AFGHANISTAN = 0x01;
-pub const SUBLANG_PERSIAN_IRAN = 0x01;
-pub const SUBLANG_POLISH_POLAND = 0x01;
-pub const SUBLANG_PORTUGUESE = 0x02;
-pub const SUBLANG_PORTUGUESE_BRAZILIAN = 0x01;
-pub const SUBLANG_PULAR_SENEGAL = 0x02;
-pub const SUBLANG_PUNJABI_INDIA = 0x01;
-pub const SUBLANG_PUNJABI_PAKISTAN = 0x02;
-pub const SUBLANG_QUECHUA_BOLIVIA = 0x01;
-pub const SUBLANG_QUECHUA_ECUADOR = 0x02;
-pub const SUBLANG_QUECHUA_PERU = 0x03;
-pub const SUBLANG_ROMANIAN_ROMANIA = 0x01;
-pub const SUBLANG_ROMANSH_SWITZERLAND = 0x01;
-pub const SUBLANG_RUSSIAN_RUSSIA = 0x01;
-pub const SUBLANG_SAKHA_RUSSIA = 0x01;
-pub const SUBLANG_SAMI_NORTHERN_NORWAY = 0x01;
-pub const SUBLANG_SAMI_NORTHERN_SWEDEN = 0x02;
-pub const SUBLANG_SAMI_NORTHERN_FINLAND = 0x03;
-pub const SUBLANG_SAMI_LULE_NORWAY = 0x04;
-pub const SUBLANG_SAMI_LULE_SWEDEN = 0x05;
-pub const SUBLANG_SAMI_SOUTHERN_NORWAY = 0x06;
-pub const SUBLANG_SAMI_SOUTHERN_SWEDEN = 0x07;
-pub const SUBLANG_SAMI_SKOLT_FINLAND = 0x08;
-pub const SUBLANG_SAMI_INARI_FINLAND = 0x09;
-pub const SUBLANG_SANSKRIT_INDIA = 0x01;
-pub const SUBLANG_SCOTTISH_GAELIC = 0x01;
-pub const SUBLANG_SERBIAN_BOSNIA_HERZEGOVINA_LATIN = 0x06;
-pub const SUBLANG_SERBIAN_BOSNIA_HERZEGOVINA_CYRILLIC = 0x07;
-pub const SUBLANG_SERBIAN_MONTENEGRO_LATIN = 0x0b;
-pub const SUBLANG_SERBIAN_MONTENEGRO_CYRILLIC = 0x0c;
-pub const SUBLANG_SERBIAN_SERBIA_LATIN = 0x09;
-pub const SUBLANG_SERBIAN_SERBIA_CYRILLIC = 0x0a;
-pub const SUBLANG_SERBIAN_CROATIA = 0x01;
-pub const SUBLANG_SERBIAN_LATIN = 0x02;
-pub const SUBLANG_SERBIAN_CYRILLIC = 0x03;
-pub const SUBLANG_SINDHI_INDIA = 0x01;
-pub const SUBLANG_SINDHI_PAKISTAN = 0x02;
-pub const SUBLANG_SINDHI_AFGHANISTAN = 0x02;
-pub const SUBLANG_SINHALESE_SRI_LANKA = 0x01;
-pub const SUBLANG_SOTHO_NORTHERN_SOUTH_AFRICA = 0x01;
-pub const SUBLANG_SLOVAK_SLOVAKIA = 0x01;
-pub const SUBLANG_SLOVENIAN_SLOVENIA = 0x01;
-pub const SUBLANG_SPANISH = 0x01;
-pub const SUBLANG_SPANISH_MEXICAN = 0x02;
-pub const SUBLANG_SPANISH_MODERN = 0x03;
-pub const SUBLANG_SPANISH_GUATEMALA = 0x04;
-pub const SUBLANG_SPANISH_COSTA_RICA = 0x05;
-pub const SUBLANG_SPANISH_PANAMA = 0x06;
-pub const SUBLANG_SPANISH_DOMINICAN_REPUBLIC = 0x07;
-pub const SUBLANG_SPANISH_VENEZUELA = 0x08;
-pub const SUBLANG_SPANISH_COLOMBIA = 0x09;
-pub const SUBLANG_SPANISH_PERU = 0x0a;
-pub const SUBLANG_SPANISH_ARGENTINA = 0x0b;
-pub const SUBLANG_SPANISH_ECUADOR = 0x0c;
-pub const SUBLANG_SPANISH_CHILE = 0x0d;
-pub const SUBLANG_SPANISH_URUGUAY = 0x0e;
-pub const SUBLANG_SPANISH_PARAGUAY = 0x0f;
-pub const SUBLANG_SPANISH_BOLIVIA = 0x10;
-pub const SUBLANG_SPANISH_EL_SALVADOR = 0x11;
-pub const SUBLANG_SPANISH_HONDURAS = 0x12;
-pub const SUBLANG_SPANISH_NICARAGUA = 0x13;
-pub const SUBLANG_SPANISH_PUERTO_RICO = 0x14;
-pub const SUBLANG_SPANISH_US = 0x15;
-pub const SUBLANG_SWAHILI_KENYA = 0x01;
-pub const SUBLANG_SWEDISH = 0x01;
-pub const SUBLANG_SWEDISH_FINLAND = 0x02;
-pub const SUBLANG_SYRIAC_SYRIA = 0x01;
-pub const SUBLANG_TAJIK_TAJIKISTAN = 0x01;
-pub const SUBLANG_TAMAZIGHT_ALGERIA_LATIN = 0x02;
-pub const SUBLANG_TAMAZIGHT_MOROCCO_TIFINAGH = 0x04;
-pub const SUBLANG_TAMIL_INDIA = 0x01;
-pub const SUBLANG_TAMIL_SRI_LANKA = 0x02;
-pub const SUBLANG_TATAR_RUSSIA = 0x01;
-pub const SUBLANG_TELUGU_INDIA = 0x01;
-pub const SUBLANG_THAI_THAILAND = 0x01;
-pub const SUBLANG_TIBETAN_PRC = 0x01;
-pub const SUBLANG_TIGRIGNA_ERITREA = 0x02;
-pub const SUBLANG_TIGRINYA_ERITREA = 0x02;
-pub const SUBLANG_TIGRINYA_ETHIOPIA = 0x01;
-pub const SUBLANG_TSWANA_BOTSWANA = 0x02;
-pub const SUBLANG_TSWANA_SOUTH_AFRICA = 0x01;
-pub const SUBLANG_TURKISH_TURKEY = 0x01;
-pub const SUBLANG_TURKMEN_TURKMENISTAN = 0x01;
-pub const SUBLANG_UIGHUR_PRC = 0x01;
-pub const SUBLANG_UKRAINIAN_UKRAINE = 0x01;
-pub const SUBLANG_UPPER_SORBIAN_GERMANY = 0x01;
-pub const SUBLANG_URDU_PAKISTAN = 0x01;
-pub const SUBLANG_URDU_INDIA = 0x02;
-pub const SUBLANG_UZBEK_LATIN = 0x01;
-pub const SUBLANG_UZBEK_CYRILLIC = 0x02;
-pub const SUBLANG_VALENCIAN_VALENCIA = 0x02;
-pub const SUBLANG_VIETNAMESE_VIETNAM = 0x01;
-pub const SUBLANG_WELSH_UNITED_KINGDOM = 0x01;
-pub const SUBLANG_WOLOF_SENEGAL = 0x01;
-pub const SUBLANG_XHOSA_SOUTH_AFRICA = 0x01;
-pub const SUBLANG_YAKUT_RUSSIA = 0x01;
-pub const SUBLANG_YI_PRC = 0x01;
-pub const SUBLANG_YORUBA_NIGERIA = 0x01;
-pub const SUBLANG_ZULU_SOUTH_AFRICA = 0x01;
+pub const NEUTRAL = 0x00;
+pub const INVARIANT = 0x7f;
+pub const AFRIKAANS = 0x36;
+pub const ALBANIAN = 0x1c;
+pub const ALSATIAN = 0x84;
+pub const AMHARIC = 0x5e;
+pub const ARABIC = 0x01;
+pub const ARMENIAN = 0x2b;
+pub const ASSAMESE = 0x4d;
+pub const AZERI = 0x2c;
+pub const AZERBAIJANI = 0x2c;
+pub const BANGLA = 0x45;
+pub const BASHKIR = 0x6d;
+pub const BASQUE = 0x2d;
+pub const BELARUSIAN = 0x23;
+pub const BENGALI = 0x45;
+pub const BRETON = 0x7e;
+pub const BOSNIAN = 0x1a;
+pub const BOSNIAN_NEUTRAL = 0x781a;
+pub const BULGARIAN = 0x02;
+pub const CATALAN = 0x03;
+pub const CENTRAL_KURDISH = 0x92;
+pub const CHEROKEE = 0x5c;
+pub const CHINESE = 0x04;
+pub const CHINESE_SIMPLIFIED = 0x04;
+pub const CHINESE_TRADITIONAL = 0x7c04;
+pub const CORSICAN = 0x83;
+pub const CROATIAN = 0x1a;
+pub const CZECH = 0x05;
+pub const DANISH = 0x06;
+pub const DARI = 0x8c;
+pub const DIVEHI = 0x65;
+pub const DUTCH = 0x13;
+pub const ENGLISH = 0x09;
+pub const ESTONIAN = 0x25;
+pub const FAEROESE = 0x38;
+pub const FARSI = 0x29;
+pub const FILIPINO = 0x64;
+pub const FINNISH = 0x0b;
+pub const FRENCH = 0x0c;
+pub const FRISIAN = 0x62;
+pub const FULAH = 0x67;
+pub const GALICIAN = 0x56;
+pub const GEORGIAN = 0x37;
+pub const GERMAN = 0x07;
+pub const GREEK = 0x08;
+pub const GREENLANDIC = 0x6f;
+pub const GUJARATI = 0x47;
+pub const HAUSA = 0x68;
+pub const HAWAIIAN = 0x75;
+pub const HEBREW = 0x0d;
+pub const HINDI = 0x39;
+pub const HUNGARIAN = 0x0e;
+pub const ICELANDIC = 0x0f;
+pub const IGBO = 0x70;
+pub const INDONESIAN = 0x21;
+pub const INUKTITUT = 0x5d;
+pub const IRISH = 0x3c;
+pub const ITALIAN = 0x10;
+pub const JAPANESE = 0x11;
+pub const KANNADA = 0x4b;
+pub const KASHMIRI = 0x60;
+pub const KAZAK = 0x3f;
+pub const KHMER = 0x53;
+pub const KICHE = 0x86;
+pub const KINYARWANDA = 0x87;
+pub const KONKANI = 0x57;
+pub const KOREAN = 0x12;
+pub const KYRGYZ = 0x40;
+pub const LAO = 0x54;
+pub const LATVIAN = 0x26;
+pub const LITHUANIAN = 0x27;
+pub const LOWER_SORBIAN = 0x2e;
+pub const LUXEMBOURGISH = 0x6e;
+pub const MACEDONIAN = 0x2f;
+pub const MALAY = 0x3e;
+pub const MALAYALAM = 0x4c;
+pub const MALTESE = 0x3a;
+pub const MANIPURI = 0x58;
+pub const MAORI = 0x81;
+pub const MAPUDUNGUN = 0x7a;
+pub const MARATHI = 0x4e;
+pub const MOHAWK = 0x7c;
+pub const MONGOLIAN = 0x50;
+pub const NEPALI = 0x61;
+pub const NORWEGIAN = 0x14;
+pub const OCCITAN = 0x82;
+pub const ODIA = 0x48;
+pub const ORIYA = 0x48;
+pub const PASHTO = 0x63;
+pub const PERSIAN = 0x29;
+pub const POLISH = 0x15;
+pub const PORTUGUESE = 0x16;
+pub const PULAR = 0x67;
+pub const PUNJABI = 0x46;
+pub const QUECHUA = 0x6b;
+pub const ROMANIAN = 0x18;
+pub const ROMANSH = 0x17;
+pub const RUSSIAN = 0x19;
+pub const SAKHA = 0x85;
+pub const SAMI = 0x3b;
+pub const SANSKRIT = 0x4f;
+pub const SCOTTISH_GAELIC = 0x91;
+pub const SERBIAN = 0x1a;
+pub const SERBIAN_NEUTRAL = 0x7c1a;
+pub const SINDHI = 0x59;
+pub const SINHALESE = 0x5b;
+pub const SLOVAK = 0x1b;
+pub const SLOVENIAN = 0x24;
+pub const SOTHO = 0x6c;
+pub const SPANISH = 0x0a;
+pub const SWAHILI = 0x41;
+pub const SWEDISH = 0x1d;
+pub const SYRIAC = 0x5a;
+pub const TAJIK = 0x28;
+pub const TAMAZIGHT = 0x5f;
+pub const TAMIL = 0x49;
+pub const TATAR = 0x44;
+pub const TELUGU = 0x4a;
+pub const THAI = 0x1e;
+pub const TIBETAN = 0x51;
+pub const TIGRIGNA = 0x73;
+pub const TIGRINYA = 0x73;
+pub const TSWANA = 0x32;
+pub const TURKISH = 0x1f;
+pub const TURKMEN = 0x42;
+pub const UIGHUR = 0x80;
+pub const UKRAINIAN = 0x22;
+pub const UPPER_SORBIAN = 0x2e;
+pub const URDU = 0x20;
+pub const UZBEK = 0x43;
+pub const VALENCIAN = 0x03;
+pub const VIETNAMESE = 0x2a;
+pub const WELSH = 0x52;
+pub const WOLOF = 0x88;
+pub const XHOSA = 0x34;
+pub const YAKUT = 0x85;
+pub const YI = 0x78;
+pub const YORUBA = 0x6a;
+pub const ZULU = 0x35;
diff --git a/std/os/windows/sublang.zig b/std/os/windows/sublang.zig
new file mode 100644
index 000000000..e9929c6d7
--- /dev/null
+++ b/std/os/windows/sublang.zig
@@ -0,0 +1,244 @@
+pub const NEUTRAL = 0x00;
+pub const DEFAULT = 0x01;
+pub const SYS_DEFAULT = 0x02;
+pub const CUSTOM_DEFAULT = 0x03;
+pub const CUSTOM_UNSPECIFIED = 0x04;
+pub const UI_CUSTOM_DEFAULT = 0x05;
+pub const AFRIKAANS_SOUTH_AFRICA = 0x01;
+pub const ALBANIAN_ALBANIA = 0x01;
+pub const ALSATIAN_FRANCE = 0x01;
+pub const AMHARIC_ETHIOPIA = 0x01;
+pub const ARABIC_SAUDI_ARABIA = 0x01;
+pub const ARABIC_IRAQ = 0x02;
+pub const ARABIC_EGYPT = 0x03;
+pub const ARABIC_LIBYA = 0x04;
+pub const ARABIC_ALGERIA = 0x05;
+pub const ARABIC_MOROCCO = 0x06;
+pub const ARABIC_TUNISIA = 0x07;
+pub const ARABIC_OMAN = 0x08;
+pub const ARABIC_YEMEN = 0x09;
+pub const ARABIC_SYRIA = 0x0a;
+pub const ARABIC_JORDAN = 0x0b;
+pub const ARABIC_LEBANON = 0x0c;
+pub const ARABIC_KUWAIT = 0x0d;
+pub const ARABIC_UAE = 0x0e;
+pub const ARABIC_BAHRAIN = 0x0f;
+pub const ARABIC_QATAR = 0x10;
+pub const ARMENIAN_ARMENIA = 0x01;
+pub const ASSAMESE_INDIA = 0x01;
+pub const AZERI_LATIN = 0x01;
+pub const AZERI_CYRILLIC = 0x02;
+pub const AZERBAIJANI_AZERBAIJAN_LATIN = 0x01;
+pub const AZERBAIJANI_AZERBAIJAN_CYRILLIC = 0x02;
+pub const BANGLA_INDIA = 0x01;
+pub const BANGLA_BANGLADESH = 0x02;
+pub const BASHKIR_RUSSIA = 0x01;
+pub const BASQUE_BASQUE = 0x01;
+pub const BELARUSIAN_BELARUS = 0x01;
+pub const BENGALI_INDIA = 0x01;
+pub const BENGALI_BANGLADESH = 0x02;
+pub const BOSNIAN_BOSNIA_HERZEGOVINA_LATIN = 0x05;
+pub const BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC = 0x08;
+pub const BRETON_FRANCE = 0x01;
+pub const BULGARIAN_BULGARIA = 0x01;
+pub const CATALAN_CATALAN = 0x01;
+pub const CENTRAL_KURDISH_IRAQ = 0x01;
+pub const CHEROKEE_CHEROKEE = 0x01;
+pub const CHINESE_TRADITIONAL = 0x01;
+pub const CHINESE_SIMPLIFIED = 0x02;
+pub const CHINESE_HONGKONG = 0x03;
+pub const CHINESE_SINGAPORE = 0x04;
+pub const CHINESE_MACAU = 0x05;
+pub const CORSICAN_FRANCE = 0x01;
+pub const CZECH_CZECH_REPUBLIC = 0x01;
+pub const CROATIAN_CROATIA = 0x01;
+pub const CROATIAN_BOSNIA_HERZEGOVINA_LATIN = 0x04;
+pub const DANISH_DENMARK = 0x01;
+pub const DARI_AFGHANISTAN = 0x01;
+pub const DIVEHI_MALDIVES = 0x01;
+pub const DUTCH = 0x01;
+pub const DUTCH_BELGIAN = 0x02;
+pub const ENGLISH_US = 0x01;
+pub const ENGLISH_UK = 0x02;
+pub const ENGLISH_AUS = 0x03;
+pub const ENGLISH_CAN = 0x04;
+pub const ENGLISH_NZ = 0x05;
+pub const ENGLISH_EIRE = 0x06;
+pub const ENGLISH_SOUTH_AFRICA = 0x07;
+pub const ENGLISH_JAMAICA = 0x08;
+pub const ENGLISH_CARIBBEAN = 0x09;
+pub const ENGLISH_BELIZE = 0x0a;
+pub const ENGLISH_TRINIDAD = 0x0b;
+pub const ENGLISH_ZIMBABWE = 0x0c;
+pub const ENGLISH_PHILIPPINES = 0x0d;
+pub const ENGLISH_INDIA = 0x10;
+pub const ENGLISH_MALAYSIA = 0x11;
+pub const ENGLISH_SINGAPORE = 0x12;
+pub const ESTONIAN_ESTONIA = 0x01;
+pub const FAEROESE_FAROE_ISLANDS = 0x01;
+pub const FILIPINO_PHILIPPINES = 0x01;
+pub const FINNISH_FINLAND = 0x01;
+pub const FRENCH = 0x01;
+pub const FRENCH_BELGIAN = 0x02;
+pub const FRENCH_CANADIAN = 0x03;
+pub const FRENCH_SWISS = 0x04;
+pub const FRENCH_LUXEMBOURG = 0x05;
+pub const FRENCH_MONACO = 0x06;
+pub const FRISIAN_NETHERLANDS = 0x01;
+pub const FULAH_SENEGAL = 0x02;
+pub const GALICIAN_GALICIAN = 0x01;
+pub const GEORGIAN_GEORGIA = 0x01;
+pub const GERMAN = 0x01;
+pub const GERMAN_SWISS = 0x02;
+pub const GERMAN_AUSTRIAN = 0x03;
+pub const GERMAN_LUXEMBOURG = 0x04;
+pub const GERMAN_LIECHTENSTEIN = 0x05;
+pub const GREEK_GREECE = 0x01;
+pub const GREENLANDIC_GREENLAND = 0x01;
+pub const GUJARATI_INDIA = 0x01;
+pub const HAUSA_NIGERIA_LATIN = 0x01;
+pub const HAWAIIAN_US = 0x01;
+pub const HEBREW_ISRAEL = 0x01;
+pub const HINDI_INDIA = 0x01;
+pub const HUNGARIAN_HUNGARY = 0x01;
+pub const ICELANDIC_ICELAND = 0x01;
+pub const IGBO_NIGERIA = 0x01;
+pub const INDONESIAN_INDONESIA = 0x01;
+pub const INUKTITUT_CANADA = 0x01;
+pub const INUKTITUT_CANADA_LATIN = 0x02;
+pub const IRISH_IRELAND = 0x02;
+pub const ITALIAN = 0x01;
+pub const ITALIAN_SWISS = 0x02;
+pub const JAPANESE_JAPAN = 0x01;
+pub const KANNADA_INDIA = 0x01;
+pub const KASHMIRI_SASIA = 0x02;
+pub const KASHMIRI_INDIA = 0x02;
+pub const KAZAK_KAZAKHSTAN = 0x01;
+pub const KHMER_CAMBODIA = 0x01;
+pub const KICHE_GUATEMALA = 0x01;
+pub const KINYARWANDA_RWANDA = 0x01;
+pub const KONKANI_INDIA = 0x01;
+pub const KOREAN = 0x01;
+pub const KYRGYZ_KYRGYZSTAN = 0x01;
+pub const LAO_LAO = 0x01;
+pub const LATVIAN_LATVIA = 0x01;
+pub const LITHUANIAN = 0x01;
+pub const LOWER_SORBIAN_GERMANY = 0x02;
+pub const LUXEMBOURGISH_LUXEMBOURG = 0x01;
+pub const MACEDONIAN_MACEDONIA = 0x01;
+pub const MALAY_MALAYSIA = 0x01;
+pub const MALAY_BRUNEI_DARUSSALAM = 0x02;
+pub const MALAYALAM_INDIA = 0x01;
+pub const MALTESE_MALTA = 0x01;
+pub const MAORI_NEW_ZEALAND = 0x01;
+pub const MAPUDUNGUN_CHILE = 0x01;
+pub const MARATHI_INDIA = 0x01;
+pub const MOHAWK_MOHAWK = 0x01;
+pub const MONGOLIAN_CYRILLIC_MONGOLIA = 0x01;
+pub const MONGOLIAN_PRC = 0x02;
+pub const NEPALI_INDIA = 0x02;
+pub const NEPALI_NEPAL = 0x01;
+pub const NORWEGIAN_BOKMAL = 0x01;
+pub const NORWEGIAN_NYNORSK = 0x02;
+pub const OCCITAN_FRANCE = 0x01;
+pub const ODIA_INDIA = 0x01;
+pub const ORIYA_INDIA = 0x01;
+pub const PASHTO_AFGHANISTAN = 0x01;
+pub const PERSIAN_IRAN = 0x01;
+pub const POLISH_POLAND = 0x01;
+pub const PORTUGUESE = 0x02;
+pub const PORTUGUESE_BRAZILIAN = 0x01;
+pub const PULAR_SENEGAL = 0x02;
+pub const PUNJABI_INDIA = 0x01;
+pub const PUNJABI_PAKISTAN = 0x02;
+pub const QUECHUA_BOLIVIA = 0x01;
+pub const QUECHUA_ECUADOR = 0x02;
+pub const QUECHUA_PERU = 0x03;
+pub const ROMANIAN_ROMANIA = 0x01;
+pub const ROMANSH_SWITZERLAND = 0x01;
+pub const RUSSIAN_RUSSIA = 0x01;
+pub const SAKHA_RUSSIA = 0x01;
+pub const SAMI_NORTHERN_NORWAY = 0x01;
+pub const SAMI_NORTHERN_SWEDEN = 0x02;
+pub const SAMI_NORTHERN_FINLAND = 0x03;
+pub const SAMI_LULE_NORWAY = 0x04;
+pub const SAMI_LULE_SWEDEN = 0x05;
+pub const SAMI_SOUTHERN_NORWAY = 0x06;
+pub const SAMI_SOUTHERN_SWEDEN = 0x07;
+pub const SAMI_SKOLT_FINLAND = 0x08;
+pub const SAMI_INARI_FINLAND = 0x09;
+pub const SANSKRIT_INDIA = 0x01;
+pub const SCOTTISH_GAELIC = 0x01;
+pub const SERBIAN_BOSNIA_HERZEGOVINA_LATIN = 0x06;
+pub const SERBIAN_BOSNIA_HERZEGOVINA_CYRILLIC = 0x07;
+pub const SERBIAN_MONTENEGRO_LATIN = 0x0b;
+pub const SERBIAN_MONTENEGRO_CYRILLIC = 0x0c;
+pub const SERBIAN_SERBIA_LATIN = 0x09;
+pub const SERBIAN_SERBIA_CYRILLIC = 0x0a;
+pub const SERBIAN_CROATIA = 0x01;
+pub const SERBIAN_LATIN = 0x02;
+pub const SERBIAN_CYRILLIC = 0x03;
+pub const SINDHI_INDIA = 0x01;
+pub const SINDHI_PAKISTAN = 0x02;
+pub const SINDHI_AFGHANISTAN = 0x02;
+pub const SINHALESE_SRI_LANKA = 0x01;
+pub const SOTHO_NORTHERN_SOUTH_AFRICA = 0x01;
+pub const SLOVAK_SLOVAKIA = 0x01;
+pub const SLOVENIAN_SLOVENIA = 0x01;
+pub const SPANISH = 0x01;
+pub const SPANISH_MEXICAN = 0x02;
+pub const SPANISH_MODERN = 0x03;
+pub const SPANISH_GUATEMALA = 0x04;
+pub const SPANISH_COSTA_RICA = 0x05;
+pub const SPANISH_PANAMA = 0x06;
+pub const SPANISH_DOMINICAN_REPUBLIC = 0x07;
+pub const SPANISH_VENEZUELA = 0x08;
+pub const SPANISH_COLOMBIA = 0x09;
+pub const SPANISH_PERU = 0x0a;
+pub const SPANISH_ARGENTINA = 0x0b;
+pub const SPANISH_ECUADOR = 0x0c;
+pub const SPANISH_CHILE = 0x0d;
+pub const SPANISH_URUGUAY = 0x0e;
+pub const SPANISH_PARAGUAY = 0x0f;
+pub const SPANISH_BOLIVIA = 0x10;
+pub const SPANISH_EL_SALVADOR = 0x11;
+pub const SPANISH_HONDURAS = 0x12;
+pub const SPANISH_NICARAGUA = 0x13;
+pub const SPANISH_PUERTO_RICO = 0x14;
+pub const SPANISH_US = 0x15;
+pub const SWAHILI_KENYA = 0x01;
+pub const SWEDISH = 0x01;
+pub const SWEDISH_FINLAND = 0x02;
+pub const SYRIAC_SYRIA = 0x01;
+pub const TAJIK_TAJIKISTAN = 0x01;
+pub const TAMAZIGHT_ALGERIA_LATIN = 0x02;
+pub const TAMAZIGHT_MOROCCO_TIFINAGH = 0x04;
+pub const TAMIL_INDIA = 0x01;
+pub const TAMIL_SRI_LANKA = 0x02;
+pub const TATAR_RUSSIA = 0x01;
+pub const TELUGU_INDIA = 0x01;
+pub const THAI_THAILAND = 0x01;
+pub const TIBETAN_PRC = 0x01;
+pub const TIGRIGNA_ERITREA = 0x02;
+pub const TIGRINYA_ERITREA = 0x02;
+pub const TIGRINYA_ETHIOPIA = 0x01;
+pub const TSWANA_BOTSWANA = 0x02;
+pub const TSWANA_SOUTH_AFRICA = 0x01;
+pub const TURKISH_TURKEY = 0x01;
+pub const TURKMEN_TURKMENISTAN = 0x01;
+pub const UIGHUR_PRC = 0x01;
+pub const UKRAINIAN_UKRAINE = 0x01;
+pub const UPPER_SORBIAN_GERMANY = 0x01;
+pub const URDU_PAKISTAN = 0x01;
+pub const URDU_INDIA = 0x02;
+pub const UZBEK_LATIN = 0x01;
+pub const UZBEK_CYRILLIC = 0x02;
+pub const VALENCIAN_VALENCIA = 0x02;
+pub const VIETNAMESE_VIETNAM = 0x01;
+pub const WELSH_UNITED_KINGDOM = 0x01;
+pub const WOLOF_SENEGAL = 0x01;
+pub const XHOSA_SOUTH_AFRICA = 0x01;
+pub const YAKUT_RUSSIA = 0x01;
+pub const YI_PRC = 0x01;
+pub const YORUBA_NIGERIA = 0x01;
+pub const ZULU_SOUTH_AFRICA = 0x01;