Append the current chain with the supplied char string operand.

Declared in file: hzChain.h
Defined in file : hzChain.cpp

Function Logic:

Function body:

hzChain& hzChain::operator+= (const char* s)
{
   //  Append the current chain with the supplied char string operand.
   //  
   //  Arguments: 1) s The null terminated string to add to the chain
   //  
   //  Returns: Reference to this chain
   _hzfunc("hzChain::operator+=(char*)") ;
   _zblk*      curBlk ;        //  Block pointer
   _zblk*      newBlk ;        //  Working block pointer
   const char* i ;             //  Supplied string iterator
   if (!s || !s[0])
       return *this ;
   //  If nothing in chain, create the first block
   if (!mx)
       { mx = new _chain() ; mx->m_Test = mx ; }
   if (!mx->m_Begin)
       mx->m_Begin = mx->m_End = _zblk_alloc() ;
   curBlk = (_zblk*) mx->m_End ;
   if (!curBlk)
       Fatal("Chain %p has no end block\n", this) ;
   for (i = s ; *i ; i++)
   {
       if (curBlk->m_nUsage == ZBLKSIZE)
       {
           //  Out of space - make new block
           newBlk = _zblk_alloc() ;
           newBlk->Prev(curBlk) ;
           curBlk->Next(newBlk) ;
           mx->m_End = curBlk = newBlk ;
       }
       curBlk->m_Data[curBlk->m_nUsage] = *i ;
       curBlk->m_nUsage++ ;
       mx->m_nSize++ ;
   }
   return *this ;
}