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Added some RtlLargeInteger functions.

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svn path=/trunk/; revision=770
This commit is contained in:
Eric Kohl 1999-11-15 16:01:32 +00:00
parent c52cbf8517
commit c114003cb5
2 changed files with 67 additions and 7 deletions
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71
reactos/lib/ntdll/rtl/largeint.c
View file

@ -1,4 +1,4 @@
/* $Id: largeint.c,v 1.5 1999/11/09 18:09:00 ekohl Exp $
/* $Id: largeint.c,v 1.6 1999/11/15 16:00:19 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -14,7 +14,7 @@
#include <ddk/ntddk.h>
#define NDEBUG
#include <internal/debug.h>
#include <ntdll/ntdll.h>
/* FUNCTIONS *****************************************************************/
@ -50,6 +50,17 @@ RtlEnlargedIntegerMultiply(LONG Multiplicand,
return RC;
}
ULONG
RtlEnlargedUnsignedDivide(ULARGE_INTEGER Dividend,
ULONG Divisor,
PULONG Remainder)
{
if (Remainder)
*Remainder = Dividend.QuadPart % Divisor;
return (ULONG)(Dividend.QuadPart / Divisor);
}
LARGE_INTEGER
RtlEnlargedUnsignedMultiply(ULONG Multiplicand,
ULONG Multiplier)
@ -72,6 +83,29 @@ RtlExtendedIntegerMultiply(LARGE_INTEGER Multiplicand,
return RC;
}
LARGE_INTEGER
RtlExtendedLargeIntegerDivide(LARGE_INTEGER Dividend,
ULONG Divisor,
PULONG Remainder)
{
LARGE_INTEGER RC;
if (Remainder)
*Remainder = Dividend.QuadPart % Divisor;
RC.QuadPart = Dividend.QuadPart / Divisor;
return RC;
}
LARGE_INTEGER
RtlExtendedMagicDivide(LARGE_INTEGER Dividend,
LARGE_INTEGER MagicDivisor,
CCHAR ShiftCount)
{
UNIMPLEMENTED;
}
LARGE_INTEGER
RtlLargeIntegerAdd(LARGE_INTEGER Addend1,
LARGE_INTEGER Addend2)
@ -91,6 +125,29 @@ RtlLargeIntegerAnd(PLARGE_INTEGER Result,
Result->QuadPart = Source.QuadPart & Mask.QuadPart;
}
LARGE_INTEGER
RtlLargeIntegerArithmeticShift(LARGE_INTEGER LargeInteger,
CCHAR ShiftCount)
{
LARGE_INTEGER RC;
CHAR Shift;
Shift = ShiftCount % 64;
if (Shift < 32)
{
RC.QuadPart = LargeInteger.QuadPart >> Shift;
}
else
{
/* copy the sign bit */
RC.u.HighPart |= (LargeInteger.u.HighPart & 0x80000000);
RC.u.LowPart = LargeInteger.u.HighPart >> Shift;
}
return RC;
}
LARGE_INTEGER
RtlLargeIntegerDivide(LARGE_INTEGER Dividend,
LARGE_INTEGER Divisor,
@ -200,8 +257,11 @@ RtlLargeIntegerShiftLeft(LARGE_INTEGER LargeInteger,
CCHAR ShiftCount)
{
LARGE_INTEGER RC;
CCHAR Shift;
RC.QuadPart = LargeInteger.QuadPart << ShiftCount;
Shift = ShiftCount % 64;
RC.QuadPart = LargeInteger.QuadPart << Shift;
return RC;
}
@ -211,8 +271,11 @@ RtlLargeIntegerShiftRight(LARGE_INTEGER LargeInteger,
CCHAR ShiftCount)
{
LARGE_INTEGER RC;
CCHAR Shift;
RC.QuadPart = LargeInteger.QuadPart >> ShiftCount;
Shift = ShiftCount % 64;
RC.QuadPart = LargeInteger.QuadPart >> Shift;
return RC;
}

3
reactos/lib/ntdll/stubs/stubs.c
View file

@ -54,9 +54,6 @@ STUB(LdrShutdownProcess)
STUB(LdrShutdownThread)
STUB(LdrVerifyImageMatchesChecksum)
STUB(NPXEMULATORTABLE)
STUB(NlsAnsiCodePage)
STUB(NlsMbCodePageTag)
STUB(NlsMbOemCodePageTag)
STUB(PfxFindPrefix)
STUB(PfxInitialize)
STUB(PfxInsertPrefix)