mem.c File Reference

#include <rtl.h>
#include <debug.h>

Include dependency graph for mem.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
SIZE_T NTAPI	RtlCompareMemory (IN const VOID *Source1, IN const VOID *Source2, IN SIZE_T Length)
SIZE_T NTAPI	RtlCompareMemoryUlong (IN PVOID Source, IN SIZE_T Length, IN ULONG Value)
VOID NTAPI	RtlFillMemory (PVOID Destination, SIZE_T Length, UCHAR Fill)
VOID NTAPI	RtlFillMemoryUlong (PVOID Destination, SIZE_T Length, ULONG Fill)
VOID NTAPI	RtlMoveMemory (PVOID Destination, CONST VOID *Source, SIZE_T Length)
VOID NTAPI	RtlZeroMemory (PVOID Destination, SIZE_T Length)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file mem.c.

Function Documentation

RtlCompareMemory()

SIZE_T NTAPI RtlCompareMemory	(	IN const VOID *	Source1,
		IN const VOID *	Source2,
		IN SIZE_T	Length
	)

Definition at line 37 of file mem.c.

{
    SIZE_T i;
    for (i = 0; (i < Length) && (((PUCHAR)Source1)[i] == ((PUCHAR)Source2)[i]); i++)
        ;
 
    return i;
}

RtlCompareMemoryUlong()

SIZE_T NTAPI RtlCompareMemoryUlong	(	IN PVOID	Source,
		IN SIZE_T	Length,
		IN ULONG	Value
	)

Definition at line 61 of file mem.c.

{
    PULONG ptr = (PULONG)Source;
    ULONG_PTR len = Length / sizeof(ULONG);
    ULONG_PTR i;
 
    for (i = 0; i < len; i++)
    {
        if (*ptr != Value)
            break;
 
        ptr++;
    }
 
    return (SIZE_T)((PCHAR)ptr - (PCHAR)Source);
}

RtlFillMemory()

VOID NTAPI RtlFillMemory	(	PVOID	Destination,
		SIZE_T	Length,
		UCHAR	Fill
	)

Definition at line 87 of file mem.c.

{
    memset(Destination, Fill, Length);
}

RtlFillMemoryUlong()

VOID NTAPI RtlFillMemoryUlong	(	PVOID	Destination,
		SIZE_T	Length,
		ULONG	Fill
	)

Definition at line 101 of file mem.c.

{
    PULONG Dest  = Destination;
    SIZE_T Count = Length / sizeof(ULONG);
 
    while (Count > 0)
    {
        *Dest = Fill;
        Dest++;
        Count--;
    }
}

RtlMoveMemory()

VOID NTAPI RtlMoveMemory	(	PVOID	Destination,
		CONST VOID *	Source,
		SIZE_T	Length
	)

Definition at line 143 of file mem.c.

{
    memmove(Destination, Source, Length);
}

RtlZeroMemory()

VOID NTAPI RtlZeroMemory	(	PVOID	Destination,
		SIZE_T	Length
	)

Definition at line 156 of file mem.c.

{
    RtlFillMemory(Destination, Length, 0);
}