reactos/dll/win32/user32/misc/rtlstr.c

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/*
* PROJECT: ReactOS user32.dll
* FILE: lib/user32/misc/rtlstr.c
* PURPOSE: Large Strings
* PROGRAMMER:
* UPDATE HISTORY:
*
*/
/* INCLUDES ******************************************************************/
#include <user32.h>
#include <wine/debug.h>
WINE_DEFAULT_DEBUG_CHANNEL(user32);
/* FUNCTIONS *****************************************************************/
VOID
NTAPI
RtlInitLargeAnsiString(IN OUT PLARGE_ANSI_STRING DestinationString,
IN PCSZ SourceString,
IN INT Unknown)
{
ULONG DestSize;
if (SourceString)
{
DestSize = strlen(SourceString);
DestinationString->Length = DestSize;
DestinationString->MaximumLength = DestSize + sizeof(CHAR);
}
else
{
DestinationString->Length = 0;
DestinationString->MaximumLength = 0;
}
DestinationString->Buffer = (PCHAR)SourceString;
DestinationString->bAnsi = TRUE;
}
VOID
NTAPI
RtlInitLargeUnicodeString(IN OUT PLARGE_UNICODE_STRING DestinationString,
IN PCWSTR SourceString,
IN INT Unknown)
{
ULONG DestSize;
if (SourceString)
{
DestSize = wcslen(SourceString) * sizeof(WCHAR);
DestinationString->Length = DestSize;
DestinationString->MaximumLength = DestSize + sizeof(WCHAR);
}
else
{
DestinationString->Length = 0;
DestinationString->MaximumLength = 0;
}
DestinationString->Buffer = (PWSTR)SourceString;
DestinationString->bAnsi = FALSE;
}
BOOL
NTAPI
RtlLargeStringToUnicodeString( PUNICODE_STRING DestinationString,
PLARGE_STRING SourceString)
{
ANSI_STRING AnsiString;
RtlInitUnicodeString(DestinationString, NULL);
if (DestinationString && SourceString && SourceString->bAnsi)
{
RtlInitAnsiString(&AnsiString, (LPSTR)SourceString->Buffer);
return NT_SUCCESS(RtlAnsiStringToUnicodeString(DestinationString, &AnsiString, TRUE));
}
else if (DestinationString && SourceString)
{
return RtlCreateUnicodeString(DestinationString, SourceString->Buffer);
}
else
return FALSE;
}