---

UnpackMemMan Class Reference

#include <UnpackMem.hpp>

List of all members.

Public Methods
char	Init (unsigned long myneededmemoryspace, unsigned long datablockcount)
UnpackDataBlock *	AllocateDataBlocks (unsigned long len)

---

Member Function Documentation

UnpackDataBlock* UnpackMemMan::AllocateDataBlocks (  unsigned long    len )  [inline]

Definition at line 72 of file UnpackMem.hpp. { UnpackDataBlock *firstdatablock=NULL,**lastdatablockref=&firstdatablock; while(lastblock->used+sizeof(UnpackDataBlock)+len>lastblock->len) // As long as the data block does not fit onto the current memblock // We must allocate more space ! { if(lastblock->used+sizeof(UnpackDataBlock)+MIN_DATABLOCKSIZE<lastblock->len) // If there is a certain minimum space, then we can at least use parts of the // block { *lastdatablockref=(UnpackDataBlock *)((char *)(lastblock+1)+lastblock->used); (*lastdatablockref)->len=lastblock->len-lastblock->used-sizeof(UnpackDataBlock); (*lastdatablockref)->next=NULL; len-=(*lastdatablockref)->len; neededmemoryspace-=(*lastdatablockref)->len; lastblock->used=lastblock->len; lastdatablockref=&((*lastdatablockref)->next); } // Now, we allocate a new block lastblock=AllocateMemBlock(&(lastblock->next)); if(lastblock==NULL) return NULL; lastblock=lastblock->next; } *lastdatablockref=(UnpackDataBlock *)((char *)(lastblock+1)+lastblock->used); (*lastdatablockref)->len=len; (*lastdatablockref)->next=NULL; neededmemoryspace-=len+sizeof(UnpackDataBlock); lastblock->used+=sizeof(UnpackDataBlock)+len; return firstdatablock; }

char UnpackMemMan::Init (  unsigned long    myneededmemoryspace, unsigned long    datablockcount )  [inline]

Definition at line 59 of file UnpackMem.hpp. { neededmemoryspace=myneededmemoryspace+datablockcount*sizeof(UnpackDataBlock); curmaxblocksize=MAX_BLOCKSIZE; // Let's see if we can already allocate as much as possible lastblock=AllocateMemBlock(&firstblock); if(lastblock==NULL) return -1; return 0; }

---

The documentation for this class was generated from the following file:

• UnpackMem.hpp

---