Function convertUTF16toUTF8N

Engine/source/core/strings/unicode.cpp:197–219

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U32 convertUTF16toUTF8N( const UTF16 *unistring, UTF8  *outbuffer, U32 len)
{
   AssertFatal(len >= 1, "Buffer for unicode conversion must be large enough to hold at least the null terminator.");
   PROFILE_START(convertUTF16toUTF8);
   U32 walked, nCodeunits, codeunitLen;
   UTF32 middleman;
   
   nCodeunits=0;
   while( *unistring != '\0' && nCodeunits + 3 < len )
   {
      walked = 1;
      middleman  = oneUTF16toUTF32(unistring,&walked);
      codeunitLen = oneUTF32toUTF8(middleman, &outbuffer[nCodeunits]);
      unistring += walked;
      nCodeunits += codeunitLen;
   }

   nCodeunits = getMin(nCodeunits,len - 1);
   outbuffer[nCodeunits] = '\0';
   
   PROFILE_END();
   return nCodeunits;
}

U32 convertUTF16toUTF8DoubleNULL( const UTF16 *unistring, UTF8  *outbuffer, U32 len)
{