CurRunLengthState struct Reference

00074    {
00075       CurRunLengthItem  **itemref;
00076       unsigned          allocsize;
00077 
00078 #ifdef XMILL
00079       runlencount=0;
00080 #endif
00081 
00082       totallen=len;
00083 
00084       itemref=&items;
00085 
00086       // First, we copy the new string over the sequence of existing
00087       // CurRunLengthItem's
00088 
00089       while(*itemref!=NULL)
00090       {
00091          (*itemref)->len = ((*itemref)->size < len) ? (*itemref)->size : len;
00092             
00093          mymemcpy((*itemref)->GetStrPtr(),(char *)str,(*itemref)->len);
00094 
00095          str+=(*itemref)->len;
00096          len-=(*itemref)->len;
00097 
00098          itemref=&((*itemref)->next);
00099 
00100          if(len==0)  // Did we reach the end of new data?
00101                      // (I.e. the new run length item is shorter)
00102                      // We set the length of the remaining items to 0
00103          {
00104             while(*itemref!=NULL)
00105             {
00106                (*itemref)->len=0;
00107                itemref=&((*itemref)->next);
00108             }
00109             break;
00110          }
00111       }
00112 
00113       if(len>0)
00114          // If there is still data left in the new run length string,
00115          // we need to allocate new memory for the remaining bytes
00116       {
00117          if(len<RUNLENGTH_ITEM_MINSIZE)
00118             allocsize=RUNLENGTH_ITEM_MINSIZE;
00119          else
00120             allocsize=((len-1)|3)+1;
00121 
00122          *itemref=(CurRunLengthItem *)blockmem.GetByteBlock(sizeof(CurRunLengthItem)+allocsize);
00123 
00124          (*itemref)->size=allocsize;
00125          (*itemref)->len=len;
00126 
00127          mymemcpy((*itemref)->GetStrPtr(),(char *)str,len);
00128 
00129          (*itemref)->next=NULL;
00130       }
00131    }

CurRunLengthState Struct Reference

Public Methods

Public Attributes

Member Function Documentation

Member Data Documentation

Public Methods
void	KeepNewString (unsigned char *str, unsigned short len)
Public Attributes
CurRunLengthItem *	items
unsigned short	totallen
short	runlencount