more TDB

source/libs/tdb/src/db/tdbPage.c

@@ -15,7 +15,7 @@
 
 #include "tdbInt.h"
 
-int tdbPageInsertCell(SPage *pPage, int idx, u8 *pCell, int szCell) {
+int tdbPageInsertCell(SPage *pPage, int idx, SCell *pCell, int szCell) {
   // TODO
   return 0;
 }

source/libs/tdb/src/inc/tdbPage.h

@@ -20,6 +20,12 @@
 extern "C" {
 #endif
 
+typedef u8 SCell;
+
+typedef struct __attribute__((__packed__)) {
+  u8 cksm[4];
+} SPageFooter;
+
 typedef struct __attribute__((__packed__)) {
   u16   flags;
   u16   nCells;
@@ -39,6 +45,7 @@ struct SPage {
 
   // Fields below used by pager and am
   SPageHdr    *pPageHdr;
+  SPageFooter *pPageFooter;
   u16         *aCellIdx;
   int          kLen;
   int          vLen;
@@ -88,7 +95,7 @@ struct SPage {
 #endif
 
 // APIs
-int tdbPageInsertCell(SPage *pPage, int idx, u8 *pCell, int szCell);
+int tdbPageInsertCell(SPage *pPage, int idx, SCell *pCell, int szCell);
 int tdbPageDropCell(SPage *pPage, int idx);
 
 #ifdef __cplusplus