From b3f30cb1004031618dc297c524b10d8ecdb33d55 Mon Sep 17 00:00:00 2001
From: Magnus Olsen <magnus@greatlord.com>
Date: Mon, 25 Sep 2006 23:26:08 +0000
Subject: [PATCH] restore files mem.c and memgen.c restore no i386 arch define
 in rbuild do not remove it, it is for build on no i386 platform the was
 accident delete in r23830

svn path=/trunk/; revision=24272
---
 reactos/lib/rtl/mem.c      | 173 +++++++++++++++++++++++++++++++++++++
 reactos/lib/rtl/memgen.c   |  77 +++++++++++++++++
 reactos/lib/rtl/rtl.rbuild |   6 ++
 3 files changed, 256 insertions(+)
 create mode 100644 reactos/lib/rtl/mem.c
 create mode 100644 reactos/lib/rtl/memgen.c

diff --git a/reactos/lib/rtl/mem.c b/reactos/lib/rtl/mem.c
new file mode 100644
index 00000000000..e5152b5dafd
--- /dev/null
+++ b/reactos/lib/rtl/mem.c
@@ -0,0 +1,173 @@
+/* COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         ReactOS system libraries
+ * FILE:            lib/rtl/mem.c
+ * PURPOSE:         Memory functions
+ * PROGRAMMER:      David Welch (welch@mcmail.com)
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <rtl.h>
+
+#define NDEBUG
+#include <debug.h>
+
+
+/* FUNCTIONS *****************************************************************/
+
+/******************************************************************************
+ *  RtlCompareMemory   [NTDLL.@]
+ *
+ * Compare one block of memory with another
+ *
+ * PARAMS
+ *  Source1 [I] Source block
+ *  Source2 [I] Block to compare to Source1
+ *  Length  [I] Number of bytes to fill
+ *
+ * RETURNS
+ *  The length of the first byte at which Source1 and Source2 differ, or Length
+ *  if they are the same.
+ *
+ * @implemented
+ */
+SIZE_T NTAPI
+RtlCompareMemory(IN const VOID *Source1,
+                 IN const VOID *Source2,
+                 IN SIZE_T Length)
+{
+   SIZE_T i;
+   for(i=0; (i<Length) && (((PUCHAR)Source1)[i]==((PUCHAR)Source2)[i]); i++)
+      ;
+   return i;
+}
+
+
+/*
+ * @implemented
+ */
+ULONG
+NTAPI
+RtlCompareMemoryUlong (
+   PVOID Source,
+   ULONG Length,
+   ULONG Value
+)
+/*
+ * FUNCTION: Compares a block of ULONGs with an ULONG and returns the number of equal bytes
+ * ARGUMENTS:
+ *      Source = Block to compare
+ *      Length = Number of bytes to compare
+ *      Value = Value to compare
+ * RETURNS: Number of equal bytes
+ */
+{
+   PULONG ptr = (PULONG)Source;
+   ULONG  len = Length / sizeof(ULONG);
+   ULONG i;
+
+   for (i = 0; i < len; i++)
+   {
+      if (*ptr != Value)
+         break;
+      ptr++;
+   }
+
+   return (ULONG)((PCHAR)ptr - (PCHAR)Source);
+}
+
+
+#undef RtlFillMemory
+/*
+ * @implemented
+ */
+VOID
+NTAPI
+RtlFillMemory (
+   PVOID Destination,
+   ULONG Length,
+   UCHAR Fill
+)
+{
+   memset(Destination, Fill, Length);
+}
+
+
+
+/*
+ * @implemented
+ */
+VOID
+NTAPI
+RtlFillMemoryUlong (
+   PVOID Destination,
+   ULONG Length,
+   ULONG Fill
+)
+{
+   PULONG Dest  = Destination;
+   ULONG  Count = Length / sizeof(ULONG);
+
+   while (Count > 0)
+   {
+      *Dest = Fill;
+      Dest++;
+      Count--;
+   }
+}
+
+
+#undef RtlMoveMemory
+/*
+ * @implemented
+ */
+VOID
+NTAPI
+RtlMoveMemory (
+   PVOID    Destination,
+   CONST VOID  * Source,
+   ULONG    Length
+)
+{
+   memmove (
+      Destination,
+      Source,
+      Length
+   );
+}
+
+/*
+* @implemented
+*/
+VOID
+FASTCALL
+RtlPrefetchMemoryNonTemporal(
+	IN PVOID Source,
+	IN SIZE_T Length
+	)
+{
+	/* By nature of prefetch, this is non-portable. */
+	(void)Source;
+	(void)Length;
+}
+
+
+#undef RtlZeroMemory
+/*
+ * @implemented
+ */
+VOID
+NTAPI
+RtlZeroMemory (
+   PVOID Destination,
+   ULONG Length
+)
+{
+   RtlFillMemory (
+      Destination,
+      Length,
+      0
+   );
+}
+
+/* EOF */
diff --git a/reactos/lib/rtl/memgen.c b/reactos/lib/rtl/memgen.c
new file mode 100644
index 00000000000..a1e2e9c6ae0
--- /dev/null
+++ b/reactos/lib/rtl/memgen.c
@@ -0,0 +1,77 @@
+/* COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         ReactOS system libraries
+ * FILE:            lib/rtl/mem.c
+ * PURPOSE:         Memory functions
+ * PROGRAMMER:      David Welch (welch@mcmail.com)
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <rtl.h>
+
+#define NDEBUG
+#include <debug.h>
+
+#undef RtlUlonglongByteSwap
+#undef RtlUlongByteSwap
+#undef RtlUshortByteSwap
+
+/*************************************************************************
+ * RtlUshortByteSwap
+ *
+ * Swap the bytes of an unsigned short value.
+ *
+ * NOTES
+ * Based on the inline versions in Wine winternl.h
+ *
+ * @implemented
+ */
+USHORT FASTCALL
+RtlUshortByteSwap (IN USHORT Source)
+{
+   return (Source >> 8) | (Source << 8);
+}
+
+
+
+/*************************************************************************
+ * RtlUlongByteSwap    [NTDLL.@]
+ *
+ * Swap the bytes of an unsigned int value.
+ *
+ * NOTES
+ * Based on the inline versions in Wine winternl.h
+ *
+ * @implemented
+ */
+ULONG
+FASTCALL
+RtlUlongByteSwap(
+   IN ULONG Source
+)
+{
+   return ((ULONG)RtlUshortByteSwap((USHORT)Source) << 16) | RtlUshortByteSwap((USHORT)(Source >> 16));
+}
+
+
+/*************************************************************************
+ * RtlUlonglongByteSwap
+ *
+ * Swap the bytes of an unsigned long long value.
+ *
+ * PARAMS
+ *  i [I] Value to swap bytes of
+ *
+ * RETURNS
+ *  The value with its bytes swapped.
+ *
+ * @implemented
+ */
+ULONGLONG FASTCALL
+RtlUlonglongByteSwap (IN ULONGLONG Source)
+{
+   return ((ULONGLONG) RtlUlongByteSwap (Source) << 32) | RtlUlongByteSwap (Source>>32);
+}
+
+
+/* EOF */
diff --git a/reactos/lib/rtl/rtl.rbuild b/reactos/lib/rtl/rtl.rbuild
index 3d28108a795..0c8917ea331 100644
--- a/reactos/lib/rtl/rtl.rbuild
+++ b/reactos/lib/rtl/rtl.rbuild
@@ -40,6 +40,12 @@
 			<file>tan_asm.s</file>
 		</directory>
 	</if>
+
+      <ifnot property="ARCH" value="i386">
+             <file>memgen.c</file>
+             <file>mem.c</file> 
+      </ifnot>
+
 	<file>access.c</file>
 	<file>acl.c</file>
 	<file>atom.c</file>