implemented IsDBCSLeadByte() and IsDBCSLeadByteEx()

svn path=/trunk/; revision=10953

reactos/lib/kernel32/misc/nls.c

@@ -879,4 +879,57 @@ GetOEMCP (VOID)
     return OemCodePage.CodePageTable.CodePage;
 }
 
+static inline BOOL
+IntIsLeadByte(PCPTABLEINFO TableInfo, UCHAR Ch)
+{
+  if(TableInfo->MaximumCharacterSize == 2)
+  {
+    UINT i;
+    for(i = 0; i < MAXIMUM_LEADBYTES; i++)
+    {
+      if(TableInfo->LeadByte[i] == Ch)
+      {
+        return TRUE;
+      }
+    }
+  }
+  return FALSE;
+}
+
+/*
+ * @implemented
+ */
+BOOL
+STDCALL
+IsDBCSLeadByte (
+    BYTE    TestChar
+    )
+{
+   return IntIsLeadByte(&AnsiCodePage.CodePageTable, (UCHAR)TestChar);
+}
+
+
+/*
+ * @implemented
+ */
+BOOL
+STDCALL
+IsDBCSLeadByteEx (
+    UINT    CodePage,
+    BYTE    TestChar
+    )
+{
+    PCODEPAGE_ENTRY CodePageEntry;
+    
+    CodePageEntry = IntGetCodePageEntry(CodePage);
+    if(CodePageEntry != NULL)
+    {
+      return IntIsLeadByte(&CodePageEntry->CodePageTable, (UCHAR)TestChar);
+    }
+
+    SetLastError(ERROR_INVALID_PARAMETER);
+    return FALSE;
+}
+
+
 /* EOF */

reactos/lib/kernel32/misc/stubs.c

@@ -1,4 +1,4 @@
-/* $Id: stubs.c,v 1.82 2004/08/29 14:45:55 weiden Exp $
+/* $Id: stubs.c,v 1.83 2004/09/21 17:41:24 weiden Exp $
  *
  * KERNEL32.DLL stubs (unimplemented functions)
  * Remove from this file, if you implement them.
@@ -363,38 +363,6 @@ GetVDMCurrentDirectories (
     return 0;
 }
 
-#ifndef _OLE2NLS_IN_BUILD_
-
-/*
- * @unimplemented
- */
-BOOL
-STDCALL
-IsDBCSLeadByte (
-    BYTE    TestChar
-    )
-{
-    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-    return FALSE;
-}
-
-
-/*
- * @unimplemented
- */
-BOOL
-STDCALL
-IsDBCSLeadByteEx (
-    UINT    CodePage,
-    BYTE    TestChar
-    )
-{
-    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
-    return FALSE;
-}
-
-#endif
-
 
 /*
  * @unimplemented