Adding an ifdef that forces wchar_t into PRUint16 temporarily on a nsAString ...

third_party/xulrunner-sdk/win/include/xpcom/nsStringAPI.h

 /* vim:set ts=2 sw=2 et cindent: */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 44 matching lines @@
 #include "prlog.h"
 
 class nsAString
 {
 public:
   typedef PRUnichar  char_type;
   typedef nsAString  self_type;
   typedef PRUint32   size_type;
   typedef PRUint32   index_type;
 
+// Force BeginReading into using PRUint16s instead of wchar_t on Windows.
+// This avoids errors when linking from a project compiled with /Zc:wchar_t.
+#if defined(WIN32)
+#define char_type PRUint16
+#endif
   /**
    * Returns the length, beginning, and end of a string in one operation.
    */
   NS_HIDDEN_(PRUint32) BeginReading(const char_type **begin,
                                     const char_type **end = nsnull) const;
 
   NS_HIDDEN_(const char_type*) BeginReading() const;
   NS_HIDDEN_(const char_type*) EndReading() const;
+#if defined(WIN32)
+#undef char_type
+#endif
 
   NS_HIDDEN_(char_type) CharAt(PRUint32 aPos) const
   {
     NS_ASSERTION(aPos < Length(), "Out of bounds");
     return BeginReading()[aPos];
   }
   NS_HIDDEN_(char_type) operator [](PRUint32 aPos) const
   {
     return CharAt(aPos);
   }
@@ skipping 695 matching lines @@
     NS_StringContainerInit2(*this, aData, aLength, 0);
   }
   
   ~nsString()
   {
     NS_StringContainerFinish(*this);
   }
 
   const char_type* get() const
   {
+#if defined(WIN32)
+    return reinterpret_cast<const char_type*>(BeginReading());
+#else
     return BeginReading();
+#endif
   }
 
   self_type& operator=(const self_type& aString)              { Assign(aString);   return *this; }
   self_type& operator=(const abstract_string_type& aReadable) { Assign(aReadable); return *this; }
   self_type& operator=(const char_type* aPtr)                 { Assign(aPtr);      return *this; }
   self_type& operator=(char_type aChar)                       { Assign(aChar);     return *this; }
 
   void Adopt(const char_type *aData, size_type aLength = PR_UINT32_MAX)
   {
     NS_StringContainerFinish(*this);
@@ skipping 613 matching lines @@
   return NS_StringCloneData(aStr);
 }
 
 typedef nsString PromiseFlatString;
 typedef nsCString PromiseFlatCString;
 
 typedef nsCString nsCAutoString;
 typedef nsString nsAutoString;
 
 #endif // nsStringAPI_h__