Function getUnit

Engine/source/core/strings/stringUnit.cpp:31–67

   static char _returnBuffer[ 2048 ];

   const char *getUnit(const char *string, U32 index, const char *set, char* buffer, U32 bufferSize)
   {
      if( !buffer )
      {
         buffer = _returnBuffer;
         bufferSize = sizeof( _returnBuffer );
      }

      AssertFatal( bufferSize, "StringUnit::getUnit - bufferSize cannot be zero!" );
      if( !bufferSize )
         return "";
         
      buffer[0] = 0;
      
      dsize_t sz;
      while(index--)
      {
         if(!*string)
            return buffer;

         sz = dStrcspn(string, set);
         if (string[sz] == 0)
            return buffer;
            
         string += (sz + 1);
      }
      sz = dStrcspn(string, set);
      if (sz == 0)
         return buffer;

      AssertWarn( sz + 1 < bufferSize, "Size of returned string too large for return buffer" );
      sz = getMin( sz, bufferSize - 1 );

      dStrncpy(buffer, string, sz);
      buffer[sz] = '\0';
      return buffer;
   }

   const char *getUnits(const char *string, S32 startIndex, S32 endIndex, const char *set)
   {