Sync utf8 clipboard support

common/rfb/util.h

@@ -1,4 +1,5 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * Copyright 2011-2019 Pierre Ossman for Cendio AB
  * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -67,6 +68,7 @@ namespace rfb {
 
   char* strDup(const char* s);
   void strFree(char* s);
+  void strFree(wchar_t* s);
 
   // Returns true if split successful.  Returns false otherwise.
   // ALWAYS *copies* first part of string to out1 buffer.
@@ -83,6 +85,25 @@ namespace rfb {
   // Copies src to dest, up to specified length-1, and guarantees termination
   void strCopy(char* dest, const char* src, int destlen);
 
+  // Makes sure line endings are in a certain format
+
+  char* convertLF(const char* src, size_t bytes = (size_t)-1);
+  char* convertCRLF(const char* src, size_t bytes = (size_t)-1);
+
+  // Convertions between various Unicode formats. The returned strings are
+  // always null terminated and must be freed using strFree().
+
+  size_t ucs4ToUTF8(unsigned src, char* dst);
+  size_t utf8ToUCS4(const char* src, size_t max, unsigned* dst);
+
+  size_t ucs4ToUTF16(unsigned src, wchar_t* dst);
+  size_t utf16ToUCS4(const wchar_t* src, size_t max, unsigned* dst);
+
+  char* latin1ToUTF8(const char* src, size_t bytes = (size_t)-1);
+  char* utf8ToLatin1(const char* src, size_t bytes = (size_t)-1);
+
+  char* utf16ToUTF8(const wchar_t* src, size_t units = (size_t)-1);
+  wchar_t* utf8ToUTF16(const char* src, size_t bytes = (size_t)-1);
 
   // HELPER functions for timeout handling