Export MmCopyFrom/ToCaller from ntoskrnl. Added MulDiv.

svn path=/trunk/; revision=3261

reactos/include/ddk/winddi.h

@@ -65,10 +65,10 @@ enum _BMF_TYPES
   BMF_1BPP = 1,
   BMF_4BPP,
   BMF_8BPP,
-  BMF_16BPP, 
-  BMF_24BPP, 
-  BMF_32BPP, 
-  BMF_4RLE, 
+  BMF_16BPP,
+  BMF_24BPP,
+  BMF_32BPP,
+  BMF_4RLE,
   BMF_8RLE
 };
 
@@ -124,7 +124,7 @@ enum _CD_ORDERS
 enum _ESCAPE_CODES
 {
   ESC_PASSTHROUGH,
-  ESC_QUERYESCSUPPORT 
+  ESC_QUERYESCSUPPORT
 };
 
 #define  FM_INFO_TECH_TRUETYPE              0x00000001
@@ -354,7 +354,7 @@ enum _DRV_HOOK_FUNCS
 enum _QUERY_ADVANCE_WIDTH_TYPES
 {
   QAW_GETWIDTHS = 1,
-  QAW_GETEASYWIDTHS 
+  QAW_GETEASYWIDTHS
 };
 
 #define  QC_OUTLINES  0x00000001
@@ -389,7 +389,7 @@ enum _SPS_RC
 enum _SURF_TYPES
 {
   STYPE_BITMAP = 1,
-  STYPE_DEVICE, 
+  STYPE_DEVICE,
   STYPE_DEVBITMAP
 };
 
@@ -435,14 +435,14 @@ typedef struct _DRVENABLEDATA
 /* FIXME: replace this with correct def for LDECI4  */
 typedef DWORD  LDECI4;
 
-typedef struct _CIECHROMA 
+typedef struct _CIECHROMA
 {
   LDECI4  x;
   LDECI4  y;
   LDECI4  Y;
 } CIECHROMA, *PCIECHROMA;
 
-typedef struct _COLORINFO 
+typedef struct _COLORINFO
 {
   CIECHROMA  Red;
   CIECHROMA  Green;
@@ -462,7 +462,7 @@ typedef struct _COLORINFO
   LDECI4  MagentaInYellowDye;
 } COLORINFO, *PCOLORINFO;
 
-typedef struct _DEVINFO 
+typedef struct _DEVINFO
 {
   ULONG  flGraphicsCaps;
   LOGFONTW  lfDefaultFont;
@@ -475,7 +475,7 @@ typedef struct _DEVINFO
   HPALETTE  hpalDefault;
 } DEVINFO, *PDEVINFO;
 
-typedef struct _GDIINFO 
+typedef struct _GDIINFO
 {
   ULONG  ulVersion;
   ULONG  ulTechnology;
@@ -514,7 +514,7 @@ typedef struct _GDIINFO
   ULONG  ulPanningVertRes;
 } GDIINFO, *PGDIINFO;
 
-typedef struct _BRUSHOBJ 
+typedef struct _BRUSHOBJ
 {
   ULONG  iSolidColor;
   PVOID  pvRbrush;
@@ -523,7 +523,7 @@ typedef struct _BRUSHOBJ
   LOGBRUSH  logbrush;
 } BRUSHOBJ, *PBRUSHOBJ;
 
-typedef struct _CLIPOBJ 
+typedef struct _CLIPOBJ
 {
   ULONG  iUniq;
   RECTL  rclBounds;
@@ -533,27 +533,27 @@ typedef struct _CLIPOBJ
   BYTE  fjOptions;
 } CLIPOBJ, *PCLIPOBJ;
 
-typedef struct _ENUMRECTS 
+typedef struct _ENUMRECTS
 {
   ULONG  c;
   RECTL  arcl[1];
 } ENUMRECTS, *PENUMRECTS;
 
-typedef struct _FONTOBJ 
+typedef struct _FONTOBJ
 {
-  ULONG  iUniq;  
-  ULONG  iFace; 
+  ULONG  iUniq;
+  ULONG  iFace;
   ULONG  cxMax;
   ULONG  flFontType;
   ULONG  iTTUniq;
-  ULONG  iFile;  
+  ULONG  iFile;
   SIZE  sizLogResPpi;
   ULONG  ulStyleSize;
   PVOID  pvConsumer;
   PVOID  pvProducer;
 } FONTOBJ, *PFONTOBJ;
 
-typedef struct _IFIMETRICS 
+typedef struct _IFIMETRICS
 {
   ULONG cjThis;
   ULONG ulVersion;
@@ -618,7 +618,7 @@ typedef struct _IFIMETRICS
 
 #define NB_RESERVED_COLORS              20 // number of fixed colors in system palette
 
-typedef struct _XLATEOBJ 
+typedef struct _XLATEOBJ
 {
   ULONG  iUniq;
   ULONG  flXlate;
@@ -641,7 +641,7 @@ typedef struct _PATHOBJ
   ULONG  cCurves;
 } PATHOBJ, *PPATHOBJ;
 
-typedef struct _SURFOBJ 
+typedef struct _SURFOBJ
 {
   DHSURF  dhsurf;
   HSURF  hsurf;
@@ -1204,11 +1204,15 @@ EngMapFontFile
 EngMapModule
 EngMarkBandingSurface
 EngMovePointer
-EngMulDiv
 EngMultiByteToUnicodeN
 EngMultiByteToWideChar
 */
 
+INT STDCALL EngMulDiv(
+	     INT nMultiplicand,
+	     INT nMultiplier,
+	     INT nDivisor);
+
 BOOL STDCALL
 EngPaint(IN SURFOBJ *Surface,
 	 IN CLIPOBJ *ClipRegion,

reactos/lib/kernel32/misc/stubs.c

@@ -1,4 +1,4 @@
-/* $Id: stubs.c,v 1.28 2001/05/03 06:13:05 ekohl Exp $
+/* $Id: stubs.c,v 1.29 2002/07/18 21:49:58 ei Exp $
  *
  * KERNEL32.DLL stubs (unimplemented functions)
  * Remove from this file, if you implement them.
@@ -375,7 +375,7 @@ GetComputerNameW (
 {
 	WCHAR	Name [MAX_COMPUTERNAME_LENGTH + 1];
 	DWORD	Size = 0;
-	
+
 	/*
 	 * FIXME: get the computer's name from
 	 * the registry.
@@ -872,16 +872,58 @@ LoadModule (
 }
 
 
-int
-STDCALL
-MulDiv (
-	int	nNumber,
-	int	nNumerator,
-	int	nDenominator
-	)
+/***********************************************************************
+ *           MulDiv   (KERNEL32.@)
+ * RETURNS
+ *	Result of multiplication and division
+ *	-1: Overflow occurred or Divisor was 0
+ */
+
+//FIXME! move to correct file
+INT STDCALL MulDiv(
+	     INT nMultiplicand,
+	     INT nMultiplier,
+	     INT nDivisor)
 {
-	SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-	return 0;
+#if SIZEOF_LONG_LONG >= 8
+    long long ret;
+
+    if (!nDivisor) return -1;
+
+    /* We want to deal with a positive divisor to simplify the logic. */
+    if (nDivisor < 0)
+    {
+      nMultiplicand = - nMultiplicand;
+      nDivisor = -nDivisor;
+    }
+
+    /* If the result is positive, we "add" to round. else, we subtract to round. */
+    if ( ( (nMultiplicand <  0) && (nMultiplier <  0) ) ||
+	 ( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
+      ret = (((long long)nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
+    else
+      ret = (((long long)nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
+
+    if ((ret > 2147483647) || (ret < -2147483647)) return -1;
+    return ret;
+#else
+    if (!nDivisor) return -1;
+
+    /* We want to deal with a positive divisor to simplify the logic. */
+    if (nDivisor < 0)
+    {
+      nMultiplicand = - nMultiplicand;
+      nDivisor = -nDivisor;
+    }
+
+    /* If the result is positive, we "add" to round. else, we subtract to round. */
+    if ( ( (nMultiplicand <  0) && (nMultiplier <  0) ) ||
+	 ( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
+      return ((nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
+
+    return ((nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
+
+#endif
 }
 
 
@@ -901,17 +943,17 @@ MulDiv (
  * 		MB_COMPOSITE
  *		MB_ERR_INVALID_CHARS
  *		MB_USEGLYPHCHARS
- * 		
+ *
  * 	lpMultiByteStr
  * 		Input buffer;
- * 		
+ *
  * 	cchMultiByte
  * 		Size of MultiByteStr, or -1 if MultiByteStr is
  * 		NULL terminated;
- * 		
+ *
  * 	lpWideCharStr
  * 		Output buffer;
- * 		
+ *
  * 	cchWideChar
  * 		Size (in WCHAR unit) of WideCharStr, or 0
  * 		if the caller just wants to know how large
@@ -924,7 +966,7 @@ MulDiv (
  *
  * NOTE
  * 	A raw converter for now. It assumes lpMultiByteStr is
- * 	NEVER multi-byte (that is each input character is 
+ * 	NEVER multi-byte (that is each input character is
  * 	8-bit ASCII) and is ALWAYS NULL terminated.
  * 	FIXME-FIXME-FIXME-FIXME
  */
@@ -1004,7 +1046,7 @@ MultiByteToWideChar (
 	for (	cchConverted = 0,
 		r = (PCHAR) lpMultiByteStr,
 		w = (PWCHAR) lpWideCharStr;
-		
+
 		((*r) && (cchConverted < cchWideChar));
 
 		r++,

reactos/ntoskrnl/include/internal/safe.h

@@ -4,9 +4,9 @@
 NTSTATUS MmSafeCopyFromUser(PVOID Dest, PVOID Src, ULONG NumberOfBytes);
 NTSTATUS MmSafeCopyToUser(PVOID Dest, PVOID Src, ULONG NumberOfBytes);
 
-NTSTATUS
+NTSTATUS STDCALL
 MmCopyFromCaller(PVOID Dest, PVOID Src, ULONG NumberOfBytes);
-NTSTATUS
+NTSTATUS STDCALL
 MmCopyToCaller(PVOID Dest, PVOID Src, ULONG NumberOfBytes);
 
 NTSTATUS

reactos/ntoskrnl/ntoskrnl.def

@@ -1,4 +1,4 @@
-; $Id: ntoskrnl.def,v 1.136 2002/07/18 18:15:09 ekohl Exp $
+; $Id: ntoskrnl.def,v 1.137 2002/07/18 21:49:59 ei Exp $
 ;
 ; reactos/ntoskrnl/ntoskrnl.def
 ;
@@ -474,6 +474,8 @@ MmAllocateContiguousMemory@12
 MmAllocateNonCachedMemory@4
 MmBuildMdlForNonPagedPool@4
 MmCanFileBeTruncated@8
+MmCopyFromCaller@12
+MmCopyToCaller@12
 MmCreateMdl@12
 MmCreateSection@32
 MmDbgTranslatePhysicalAddress@8

reactos/ntoskrnl/ntoskrnl.edf

@@ -1,4 +1,4 @@
-; $Id: ntoskrnl.edf,v 1.122 2002/07/18 18:15:09 ekohl Exp $
+; $Id: ntoskrnl.edf,v 1.123 2002/07/18 21:49:59 ei Exp $
 ;
 ; reactos/ntoskrnl/ntoskrnl.def
 ;
@@ -474,6 +474,8 @@ MmAllocateContiguousMemory=MmAllocateContiguousMemory@12
 MmAllocateNonCachedMemory=MmAllocateNonCachedMemory@4
 MmBuildMdlForNonPagedPool=MmBuildMdlForNonPagedPool@4
 MmCanFileBeTruncated=MmCanFileBeTruncated@8
+MmCopyFromCaller=MmCopyFromCaller@12
+MmCopyToCaller=MmCopyToCaller@12
 MmCreateMdl=MmCreateMdl@12
 MmCreateSection=MmCreateSection@32
 MmDbgTranslatePhysicalAddress=MmDbgTranslatePhysicalAddress@8

reactos/ntoskrnl/rtl/mem.c

@@ -1,4 +1,4 @@
-/* $Id: mem.c,v 1.13 2002/05/14 21:19:21 dwelch Exp $
+/* $Id: mem.c,v 1.14 2002/07/18 21:49:59 ei Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -19,7 +19,7 @@
 
 /* FUNCTIONS *****************************************************************/
 
-NTSTATUS
+NTSTATUS STDCALL
 MmCopyToCaller(PVOID Dest, PVOID Src, ULONG NumberOfBytes)
 {
   NTSTATUS Status;
@@ -40,7 +40,7 @@ MmCopyToCaller(PVOID Dest, PVOID Src, ULONG NumberOfBytes)
     }
 }
 
-NTSTATUS
+NTSTATUS STDCALL
 MmCopyFromCaller(PVOID Dest, PVOID Src, ULONG NumberOfBytes)
 {
   NTSTATUS Status;