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common_page.h

#ifndef COMMONPAGE_H
#define COMMONPAGE_H
const int PAGESIZE=4096;
typedef unsigned long Page_type_t;

const Page_type_t freepage      = 0;
const Page_type_t leafPage     = 0xffff;
const Page_type_t indexpage     = 0x1111;
const Page_type_t blopbeginpage = 0xaaaa;

struct CommonPage
{
  Page_type_t pagetyp;
  off_t       prev;
  off_t       next;

  static CommonPage *init(char *m,Page_type_t pt)
  {
    CommonPage *ret = (CommonPage *)m;
    ret->pagetyp=pt;
    ret->prev=0;
    ret->next=0;
    return NULL;
  }
};



#endif

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