nlsboot.c File Reference

#include <rtl.h>

Include dependency graph for nlsboot.c:

Go to the source code of this file.

Functions
WCHAR NTAPI	RtlpDowncaseUnicodeChar (_In_ WCHAR Source)
WCHAR NTAPI	RtlDowncaseUnicodeChar (_In_ WCHAR Source)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlMultiByteToUnicodeN (_Out_ PWCH UnicodeString, _In_ ULONG UnicodeSize, _Out_opt_ PULONG ResultSize, _In_ PCCH MbString, _In_ ULONG MbSize)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlMultiByteToUnicodeSize (_Out_ PULONG UnicodeSize, _In_ PCCH MbString, _In_ ULONG MbSize)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlUnicodeToMultiByteN (_Out_ PCHAR MbString, _In_ ULONG MbSize, _Out_opt_ PULONG ResultSize, _In_ PCWCH UnicodeString, _In_ ULONG UnicodeSize)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlUnicodeToMultiByteSize (_Out_ PULONG MbSize, _In_ PCWCH UnicodeString, _In_ ULONG UnicodeSize)
WCHAR NTAPI	RtlpUpcaseUnicodeChar (_In_ WCHAR Source)
WCHAR NTAPI	RtlUpcaseUnicodeChar (_In_ WCHAR Source)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlUpcaseUnicodeToMultiByteN (_Out_ PCHAR MbString, _In_ ULONG MbSize, _Out_opt_ PULONG ResultSize, _In_ PCWCH UnicodeString, _In_ ULONG UnicodeSize)
CHAR NTAPI	RtlUpperChar (_In_ CHAR Source)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlUnicodeToOemN (_Out_ PCHAR OemString, _In_ ULONG OemSize, _Out_opt_ PULONG ResultSize, _In_ PCWCH UnicodeString, _In_ ULONG UnicodeSize)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlOemToUnicodeN (_Out_ PWCHAR UnicodeString, _In_ ULONG UnicodeSize, _Out_opt_ PULONG ResultSize, _In_ PCCH OemString, _In_ ULONG OemSize)
_Use_decl_annotations_ NTSTATUS NTAPI	RtlUpcaseUnicodeToOemN (_Out_ PCHAR OemString, _In_ ULONG OemSize, _Out_opt_ PULONG ResultSize, _In_ PCWCH UnicodeString, _In_ ULONG UnicodeSize)

Variables
BOOLEAN	NlsMbCodePageTag = FALSE
BOOLEAN	NlsMbOemCodePageTag = FALSE
PUSHORT	NlsOemToUnicodeTable = NULL
PCHAR	NlsUnicodeToOemTable = NULL
PUSHORT	NlsUnicodeToMbOemTable = NULL
PUSHORT	NlsOemLeadByteInfo = NULL
USHORT	NlsOemDefaultChar = '\0'
USHORT	NlsUnicodeDefaultChar = 0

Function Documentation

RtlDowncaseUnicodeChar()

WCHAR NTAPI RtlDowncaseUnicodeChar

(

_In_ WCHAR

Source

)

Definition at line 53 of file nlsboot.c.

{
    return RtlpDowncaseUnicodeChar(Source);
}

RtlMultiByteToUnicodeN()

_Use_decl_annotations_ NTSTATUS NTAPI RtlMultiByteToUnicodeN	(	_Out_ PWCH	UnicodeString,
		_In_ ULONG	UnicodeSize,
		_Out_opt_ PULONG	ResultSize,
		_In_ PCCH	MbString,
		_In_ ULONG	MbSize
	)

Definition at line 62 of file nlsboot.c.

{
    ULONG Size = 0;
    ULONG i;
 
    /* single-byte code page */
    if (MbSize > (UnicodeSize / sizeof(WCHAR)))
        Size = UnicodeSize / sizeof(WCHAR);
    else
        Size = MbSize;
 
    if (ResultSize)
        *ResultSize = Size * sizeof(WCHAR);
 
    for (i = 0; i < Size; i++)
    {
        /* Trivially zero-extend */
        UnicodeString[i] = (WCHAR)MbString[i];
    }
 
    return STATUS_SUCCESS;
}

Referenced by CreateAcceleratorTableA(), CreateColorSpaceA(), FilenameA2W_N(), HEAP_strdupA2W(), InfHostOpenBufferedFile(), InfHostOpenFile(), InfOpenBufferedFile(), InfOpenFile(), map_wparam_AtoW(), mbstowcs(), MBToWCSEx(), MsgiUnicodeToAnsiReply(), NtUserCreateAcceleratorTable(), RtlAnsiCharToUnicodeChar(), RtlAnsiStringToUnicodeString(), and User32CreateWindowEx().

RtlMultiByteToUnicodeSize()

_Use_decl_annotations_ NTSTATUS NTAPI RtlMultiByteToUnicodeSize	(	_Out_ PULONG	UnicodeSize,
		_In_ PCCH	MbString,
		_In_ ULONG	MbSize
	)

Definition at line 93 of file nlsboot.c.

{
    /* single-byte code page */
    *UnicodeSize = MbSize * sizeof(WCHAR);
 
    return STATUS_SUCCESS;
}

Referenced by mbstowcs(), RtlxAnsiStringToUnicodeSize(), and RtlxOemStringToUnicodeSize().

RtlOemToUnicodeN()

_Use_decl_annotations_ NTSTATUS NTAPI RtlOemToUnicodeN	(	_Out_ PWCHAR	UnicodeString,
		_In_ ULONG	UnicodeSize,
		_Out_opt_ PULONG	ResultSize,
		_In_ PCCH	OemString,
		_In_ ULONG	OemSize
	)

Definition at line 282 of file nlsboot.c.

{
    if (UnicodeString)
        *UnicodeString = UNICODE_NULL;
 
    if (ResultSize)
        *ResultSize = 0;
 
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by CdFindActiveVolDescriptor(), CdUpdateDirentName(), CdUpdatePathEntryName(), FilenameA2W_N(), FsRtlNotifyUpdateBuffer(), RtlOemStringToCountedUnicodeString(), and RtlOemStringToUnicodeString().

RtlpDowncaseUnicodeChar()

WCHAR NTAPI RtlpDowncaseUnicodeChar

(

_In_ WCHAR

Source

)

Definition at line 32 of file nlsboot.c.

{
    USHORT Offset = 0;
 
    if (Source < L'A')
        return Source;
 
    if (Source <= L'Z')
        return Source + (L'a' - L'A');
 
#if 0
    if (Source < 0x80)
        return Source;
#endif
 
    return Source + (SHORT)Offset;
}

Referenced by RtlDowncaseUnicodeChar(), RtlDowncaseUnicodeString(), and RtlIsDosDeviceName_Ustr().

RtlpUpcaseUnicodeChar()

WCHAR NTAPI RtlpUpcaseUnicodeChar

(

_In_ WCHAR

Source

)

Definition at line 160 of file nlsboot.c.

{
    USHORT Offset = 0;
 
    if (Source < 'a')
        return Source;
 
    if (Source <= 'z')
        return (Source - ('a' - 'A'));
 
    return Source + (SHORT)Offset;
}

Referenced by CompareUnicodeStrings(), RtlCompareUnicodeString(), RtlGenerate8dot3Name(), RtlGetFullPathName_Ustr(), RtlIsValidOemCharacter(), RtlpIsCharInUnicodeString(), RtlPrefixUnicodeString(), RtlUpcaseUnicodeChar(), RtlUpcaseUnicodeString(), RtlUpcaseUnicodeToMultiByteN(), and RtlUpperChar().

RtlUnicodeToMultiByteN()

_Use_decl_annotations_ NTSTATUS NTAPI RtlUnicodeToMultiByteN	(	_Out_ PCHAR	MbString,
		_In_ ULONG	MbSize,
		_Out_opt_ PULONG	ResultSize,
		_In_ PCWCH	UnicodeString,
		_In_ ULONG	UnicodeSize
	)

Definition at line 107 of file nlsboot.c.

{
    ULONG Size = 0;
    ULONG i;
 
    /* single-byte code page */
    Size = (UnicodeSize > (MbSize * sizeof(WCHAR)))
            ? MbSize : (UnicodeSize / sizeof(WCHAR));
 
    if (ResultSize)
        *ResultSize = Size;
 
    for (i = 0; i < Size; i++)
    {
        /* Check for characters that cannot be trivially demoted to ANSI */
        if (*((PCHAR)UnicodeString + 1) == 0)
        {
            *MbString++ = (CHAR)*UnicodeString++;
        }
        else
        {
            /* Invalid character, use default */
            *MbString++ = NlsOemDefaultChar;
            UnicodeString++;
        }
    }
 
    return STATUS_SUCCESS;
}

Referenced by CopyAcceleratorTableA(), FilenameW2A_N(), GetClassNameA(), GetInterfaceName(), LoadStringA(), MsgiAnsiToUnicodeReply(), PARSER_string_substA(), PathCreateFromUrlA(), pSetupDebugPrint(), RealGetWindowClassA(), RegEnumKeyExA(), RegEnumValueA(), RegQueryValueExA(), RtlIpv6AddressToStringA(), RtlIpv6AddressToStringExA(), RtlUnicodeStringToAnsiString(), SearchPathA(), UrlCreateFromPathA(), UrlEscapeA(), WCSToMBEx(), wcstombs(), and wctomb().

RtlUnicodeToMultiByteSize()

_Use_decl_annotations_ NTSTATUS NTAPI RtlUnicodeToMultiByteSize	(	_Out_ PULONG	MbSize,
		_In_ PCWCH	UnicodeString,
		_In_ ULONG	UnicodeSize
	)

Definition at line 145 of file nlsboot.c.

{
    ULONG UnicodeLength = UnicodeSize / sizeof(WCHAR);
 
    /* single-byte code page */
    *MbSize = UnicodeLength;
 
    return STATUS_SUCCESS;
}

Referenced by GetCurrentDirectoryA(), GetEnvironmentStringsA(), GetFullPathNameA(), GetSystemDirectoryA(), GetSystemWindowsDirectoryA(), IntDefWindowProc(), PARSER_string_substA(), PathCreateFromUrlA(), pSetupDebugPrint(), RealDefWindowProcA(), RealDefWindowProcW(), RegQueryValueExA(), RtlxUnicodeStringToAnsiSize(), RtlxUnicodeStringToOemSize(), SearchPathA(), UrlCreateFromPathA(), UrlEscapeA(), and wcstombs().

RtlUnicodeToOemN()

_Use_decl_annotations_ NTSTATUS NTAPI RtlUnicodeToOemN	(	_Out_ PCHAR	OemString,
		_In_ ULONG	OemSize,
		_Out_opt_ PULONG	ResultSize,
		_In_ PCWCH	UnicodeString,
		_In_ ULONG	UnicodeSize
	)

Stubbed OEM helpers that should not be used in the OS boot loader, but are necessary for linking with the rest of the RTL unicode.c.

Definition at line 263 of file nlsboot.c.

{
    if (OemSize)
        *OemString = ANSI_NULL;
 
    if (ResultSize)
        *ResultSize = 0;
 
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by _IRQL_requires_max_(), FilenameW2A_N(), GetEnvironmentStringsA(), RtlUnicodeStringToOemString(), and START_TEST().

RtlUpcaseUnicodeChar()

WCHAR NTAPI RtlUpcaseUnicodeChar

(

_In_ WCHAR

Source

)

Definition at line 176 of file nlsboot.c.

{
    return RtlpUpcaseUnicodeChar(Source);
}

Referenced by CmpCompareCompressedName(), CmpCompareInIndex(), CmpComputeHashKey(), CmpGetNameControlBlock(), CSR_API(), DefineDosDeviceW(), DosKRNLInitialize(), GetDriveTypeW(), InitFunctionPointers(), IopSuffixUnicodeString(), NpAddWaiter(), ObpCreateSymbolicLinkName(), ObpLookupEntryDirectory(), PostfixUnicodeString(), RxTableComputeHashValue(), RxTableComputePathHashValue(), SmpCreatePagingFileDescriptor(), SmpCreateVolumeDescriptors(), SmpSearchVolumeDescriptor(), and START_TEST().

RtlUpcaseUnicodeToMultiByteN()

_Use_decl_annotations_ NTSTATUS NTAPI RtlUpcaseUnicodeToMultiByteN	(	_Out_ PCHAR	MbString,
		_In_ ULONG	MbSize,
		_Out_opt_ PULONG	ResultSize,
		_In_ PCWCH	UnicodeString,
		_In_ ULONG	UnicodeSize
	)

Definition at line 185 of file nlsboot.c.

{
    WCHAR UpcaseChar;
    ULONG Size = 0;
    ULONG i;
 
    /* single-byte code page */
    if (UnicodeSize > (MbSize * sizeof(WCHAR)))
        Size = MbSize;
    else
        Size = UnicodeSize / sizeof(WCHAR);
 
    if (ResultSize)
        *ResultSize = Size;
 
    for (i = 0; i < Size; i++)
    {
        UpcaseChar = RtlpUpcaseUnicodeChar(*UnicodeString);
 
        /* Check for characters that cannot be trivially demoted to ANSI */
        if (*((PCHAR)&UpcaseChar + 1) == 0)
        {
            *MbString = (CHAR)UpcaseChar;
        }
        else
        {
            /* Invalid character, use default */
            *MbString = NlsOemDefaultChar;
        }
 
        MbString++;
        UnicodeString++;
    }
 
    return STATUS_SUCCESS;
}

Referenced by RtlUpcaseUnicodeStringToAnsiString().

RtlUpcaseUnicodeToOemN()

_Use_decl_annotations_ NTSTATUS NTAPI RtlUpcaseUnicodeToOemN	(	_Out_ PCHAR	OemString,
		_In_ ULONG	OemSize,
		_Out_opt_ PULONG	ResultSize,
		_In_ PCWCH	UnicodeString,
		_In_ ULONG	UnicodeSize
	)

Definition at line 301 of file nlsboot.c.

{
    if (OemSize)
        *OemString = ANSI_NULL;
 
    if (ResultSize)
        *ResultSize = 0;
 
    return STATUS_NOT_IMPLEMENTED;
}

Referenced by RtlDnsHostNameToComputerName(), RtlUpcaseUnicodeStringToCountedOemString(), and RtlUpcaseUnicodeStringToOemString().

RtlUpperChar()

CHAR NTAPI RtlUpperChar

(

_In_ CHAR

Source

)

Definition at line 229 of file nlsboot.c.

{
    /* Check for simple ANSI case */
    if (Source <= 'z')
    {
        /* Check for simple downcase a-z case */
        if (Source >= 'a')
        {
            /* Just XOR with the difference */
            return Source ^ ('a' - 'A');
        }
        else
        {
            /* Otherwise return the same char, it's already upcase */
            return Source;
        }
    }
    else
    {
        /* single-byte code page */
        return (CHAR)RtlpUpcaseUnicodeChar((WCHAR)Source);
    }
}

Referenced by DosChangeDirectory(), DosInitPsp(), DosInt21h(), DosKRNLInitialize(), RtlCompareString(), RtlPrefixString(), and RtlUpperString().

Variable Documentation

NlsMbCodePageTag

BOOLEAN NlsMbCodePageTag = FALSE

Definition at line 17 of file nlsboot.c.

NlsMbOemCodePageTag

BOOLEAN NlsMbOemCodePageTag = FALSE

Definition at line 19 of file nlsboot.c.

Referenced by FsRtlIsDbcsInExpression(), and RtlGenerate8dot3Name().

NlsOemDefaultChar

USHORT NlsOemDefaultChar = '\0'

Definition at line 25 of file nlsboot.c.

Referenced by RtlUnicodeToMultiByteN(), and RtlUpcaseUnicodeToMultiByteN().

NlsOemLeadByteInfo

PUSHORT NlsOemLeadByteInfo = NULL

Definition at line 23 of file nlsboot.c.

NlsOemToUnicodeTable

PUSHORT NlsOemToUnicodeTable = NULL

Definition at line 20 of file nlsboot.c.

NlsUnicodeDefaultChar

USHORT NlsUnicodeDefaultChar = 0

Definition at line 26 of file nlsboot.c.

NlsUnicodeToMbOemTable

PUSHORT NlsUnicodeToMbOemTable = NULL

Definition at line 22 of file nlsboot.c.

NlsUnicodeToOemTable

PCHAR NlsUnicodeToOemTable = NULL

Definition at line 21 of file nlsboot.c.