[KERNEL32]: Actually properly support ANSI vs OEM SetFileAPI instead of assuming Unicode->ANSI for most things. Note this just adds support, there's still many wine-synched APIs that are using the FileNameA2W hacks and similar, which force ANSI. But it's a step in the right direction.

svn path=/trunk/; revision=54308

reactos/dll/win32/kernel32/client/file/file.c

@@ -175,6 +175,33 @@ FilenameW2A_N(
     return ret;
 }
 
+ULONG
+NTAPI
+BasepUnicodeStringToOemSize(IN PUNICODE_STRING String)
+{
+    return RtlUnicodeStringToOemSize(String);
+}
+
+ULONG
+NTAPI
+BasepOemStringToUnicodeSize(IN PANSI_STRING String)
+{
+    return RtlOemStringToUnicodeSize(String);
+}
+
+ULONG
+NTAPI
+BasepUnicodeStringToAnsiSize(IN PUNICODE_STRING String)
+{
+    return RtlUnicodeStringToAnsiSize(String);
+}
+
+ULONG
+NTAPI
+BasepAnsiStringToUnicodeSize(IN PANSI_STRING String)
+{
+    return RtlAnsiStringToUnicodeSize(String);
+}
 
 /*
  * @implemented
@@ -185,6 +212,9 @@ SetFileApisToOEM(VOID)
 {
     /* Set the correct Base Api */
     Basep8BitStringToUnicodeString = (PRTL_CONVERT_STRING)RtlOemStringToUnicodeString;
+    BasepUnicodeStringTo8BitString = RtlUnicodeStringToOemString;
+    BasepUnicodeStringTo8BitSize = BasepUnicodeStringToOemSize;
+    Basep8BitStringToUnicodeSize = BasepOemStringToUnicodeSize;
 
     /* FIXME: Old, deprecated way */
     bIsFileApiAnsi = FALSE;
@@ -200,6 +230,9 @@ SetFileApisToANSI(VOID)
 {
     /* Set the correct Base Api */
     Basep8BitStringToUnicodeString = RtlAnsiStringToUnicodeString;
+    BasepUnicodeStringTo8BitString = RtlUnicodeStringToAnsiString;
+    BasepUnicodeStringTo8BitSize = BasepUnicodeStringToAnsiSize;
+    Basep8BitStringToUnicodeSize = BasepAnsiStringToUnicodeSize;
     
     /* FIXME: Old, deprecated way */
     bIsFileApiAnsi = TRUE;

reactos/dll/win32/kernel32/client/utils.c

@@ -22,6 +22,10 @@
 /* GLOBALS ********************************************************************/
 
 PRTL_CONVERT_STRING Basep8BitStringToUnicodeString;
+PRTL_CONVERT_STRINGA BasepUnicodeStringTo8BitString;
+PRTL_COUNT_STRING BasepUnicodeStringTo8BitSize;
+PRTL_COUNT_STRINGA Basep8BitStringToUnicodeSize;
+
 UNICODE_STRING Restricted = RTL_CONSTANT_STRING(L"Restricted");
 
 /* FUNCTIONS ******************************************************************/

reactos/dll/win32/kernel32/include/kernel32.h

@@ -233,13 +233,24 @@ WINAPI
 Basep8BitStringToDynamicUnicodeString(OUT PUNICODE_STRING UnicodeString,
                                       IN LPCSTR String);
 
-#define BasepUnicodeStringTo8BitString RtlUnicodeStringToAnsiString
-
 typedef NTSTATUS (NTAPI *PRTL_CONVERT_STRING)(IN PUNICODE_STRING UnicodeString,
                                               IN PANSI_STRING AnsiString,
                                               IN BOOLEAN AllocateMemory);
 
+typedef ULONG (NTAPI *PRTL_COUNT_STRING)(IN PUNICODE_STRING UnicodeString);
+
+typedef NTSTATUS (NTAPI *PRTL_CONVERT_STRINGA)(IN PANSI_STRING AnsiString,
+                                              IN PCUNICODE_STRING UnicodeString,
+                                              IN BOOLEAN AllocateMemory);
+
+typedef ULONG (NTAPI *PRTL_COUNT_STRINGA)(IN PANSI_STRING UnicodeString);
+
+
 extern PRTL_CONVERT_STRING Basep8BitStringToUnicodeString;
+extern PRTL_CONVERT_STRINGA BasepUnicodeStringTo8BitString;
+extern PRTL_COUNT_STRING BasepUnicodeStringTo8BitSize;
+extern PRTL_COUNT_STRINGA Basep8BitStringToUnicodeSize;
+
 extern HANDLE BaseNamedObjectDirectory;
 
 HANDLE