kernel32: Avoid using tolowerW/toupperW().

dlls/kernel32/comm.c

@@ -95,20 +95,25 @@ static LPCWSTR COMM_ParseParity(LPCWSTR ptr, LPBYTE lpparity)
 	   member of DCB and not fParity even when parity is specified in the
 	   device control string */
 
-	switch(toupperW(*ptr++))
+	switch(*ptr++)
 	{
+	case 'e':
 	case 'E':
 		*lpparity = EVENPARITY;
 		break;
+	case 'm':
 	case 'M':
 		*lpparity = MARKPARITY;
 		break;
+	case 'n':
 	case 'N':
 		*lpparity = NOPARITY;
 		break;
+	case 'o':
 	case 'O':
 		*lpparity = ODDPARITY;
 		break;
+	case 's':
 	case 'S':
 		*lpparity = SPACEPARITY;
 		break;
@@ -239,7 +244,7 @@ static BOOL COMM_BuildOldCommDCB(LPCWSTR device, LPDCB lpdcb)
 	{
 		device++;
 		while(*device == ' ') device++;
-		if(*device) last = toupperW(*device++);
+		if(*device) last = *device++;
 		while(*device == ' ') device++;
 	}
 
@@ -255,6 +260,7 @@ static BOOL COMM_BuildOldCommDCB(LPCWSTR device, LPDCB lpdcb)
 		lpdcb->fDtrControl = DTR_CONTROL_ENABLE;
 		lpdcb->fRtsControl = RTS_CONTROL_ENABLE;
 		break;
+	case 'x':
 	case 'X':
 		lpdcb->fInX = TRUE;
 		lpdcb->fOutX = TRUE;
@@ -263,6 +269,7 @@ static BOOL COMM_BuildOldCommDCB(LPCWSTR device, LPDCB lpdcb)
 		lpdcb->fDtrControl = DTR_CONTROL_ENABLE;
 		lpdcb->fRtsControl = RTS_CONTROL_ENABLE;
 		break;
+	case 'p':
 	case 'P':
 		lpdcb->fInX = FALSE;
 		lpdcb->fOutX = FALSE;

dlls/kernel32/editline.c

@@ -27,6 +27,7 @@
 #include "windef.h"
 #include "winbase.h"
 #include "wincon.h"
+#include "winuser.h"
 #include "wine/unicode.h"
 #include "winnls.h"
 #include "wine/debug.h"
@@ -598,9 +599,7 @@ static void WCEL_LowerCaseWord(WCEL_Context* ctx)
     unsigned int	new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
     if (new_ofs != ctx->ofs)
     {
-	unsigned int	i;
-	for (i = ctx->ofs; i <= new_ofs; i++)
-	    ctx->line[i] = tolowerW(ctx->line[i]);
+        CharLowerBuffW( ctx->line + ctx->ofs, new_ofs - ctx->ofs + 1 );
         WCEL_Update(ctx, ctx->ofs, new_ofs - ctx->ofs + 1);
 	ctx->ofs = new_ofs;
     }
@@ -611,9 +610,7 @@ static void WCEL_UpperCaseWord(WCEL_Context* ctx)
     unsigned int	new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
     if (new_ofs != ctx->ofs)
     {
-	unsigned int	i;
-	for (i = ctx->ofs; i <= new_ofs; i++)
-	    ctx->line[i] = toupperW(ctx->line[i]);
+        CharUpperBuffW( ctx->line + ctx->ofs, new_ofs - ctx->ofs + 1 );
 	WCEL_Update(ctx, ctx->ofs, new_ofs - ctx->ofs + 1);
 	ctx->ofs = new_ofs;
     }
@@ -624,11 +621,8 @@ static void WCEL_CapitalizeWord(WCEL_Context* ctx)
     unsigned int	new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
     if (new_ofs != ctx->ofs)
     {
-	unsigned int	i;
-
-	ctx->line[ctx->ofs] = toupperW(ctx->line[ctx->ofs]);
-	for (i = ctx->ofs + 1; i <= new_ofs; i++)
-	    ctx->line[i] = tolowerW(ctx->line[i]);
+        CharUpperBuffW( ctx->line + ctx->ofs, 1 );
+        CharLowerBuffW( ctx->line + ctx->ofs + 1, new_ofs - ctx->ofs );
 	WCEL_Update(ctx, ctx->ofs, new_ofs - ctx->ofs + 1);
 	ctx->ofs = new_ofs;
     }