303 typedef struct WalIndexHdr WalIndexHdr;  typedef
321 struct WalIndexHdr {  struct
473 #define WALINDEX_LOCK_OFFSET (sizeof(WalIndexHdr)*2+offsetof(WalCkptInfo,aLock))
474 #define WALINDEX_HDR_SIZE    (sizeof(WalIndexHdr)*2+sizeof(WalCkptInfo))
526   WalIndexHdr hdr;           /* Wal-index header for current transaction */
535   WalIndexHdr *pSnapshot;    /* Start transaction here if not NULL */
696   return (volatile WalCkptInfo*)&(pWal->apWiData[0][sizeof(WalIndexHdr)/2]);  in walCkptInfo()
702 static volatile WalIndexHdr *walIndexHdr(Wal *pWal){  in walIndexHdr()
704   return (volatile WalIndexHdr*)pWal->apWiData[0];  in walIndexHdr()
796   volatile WalIndexHdr *aHdr = walIndexHdr(pWal);  in walIndexWriteHdr()
797   const int nCksum = offsetof(WalIndexHdr, aCksum);  in walIndexWriteHdr()
804   memcpy((void*)&aHdr[1], (const void*)&pWal->hdr, sizeof(WalIndexHdr));  in walIndexWriteHdr()
806   memcpy((void*)&aHdr[0], (const void*)&pWal->hdr, sizeof(WalIndexHdr));  in walIndexWriteHdr()
1246   memset(&pWal->hdr, 0, sizeof(WalIndexHdr));  in walIndexRecover()
1497   assert(    48 ==  sizeof(WalIndexHdr)  );  in sqlite3WalOpen()
2321   WalIndexHdr h1, h2;             /* Two copies of the header content */  in walIndexTryHdr()
2322   WalIndexHdr volatile *aHdr;     /* Header in shared memory */  in walIndexTryHdr()
2359   if( memcmp(&pWal->hdr, &h1, sizeof(WalIndexHdr)) ){  in walIndexTryHdr()
2361     memcpy(&pWal->hdr, &h1, sizeof(WalIndexHdr));  in walIndexTryHdr()
2571   memcpy(&pWal->hdr, (void*)walIndexHdr(pWal), sizeof(WalIndexHdr));  in walBeginShmUnreliable()
2802       if( memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr)) ){  in walTryBeginRead()
2909    || memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr))  in walTryBeginRead()
3016   WalIndexHdr *pSnapshot = pWal->pSnapshot;  in sqlite3WalBeginReadTransaction()
3023     if( memcmp(pSnapshot, &pWal->hdr, sizeof(WalIndexHdr))!=0 ){  in sqlite3WalBeginReadTransaction()
3056     if( pSnapshot && memcmp(pSnapshot, &pWal->hdr, sizeof(WalIndexHdr))!=0 ){  in sqlite3WalBeginReadTransaction()
3085         memcpy(&pWal->hdr, pSnapshot, sizeof(WalIndexHdr));  in sqlite3WalBeginReadTransaction()
3288     assert( !memcmp(&pWal->hdr,(void *)walIndexHdr(pWal),sizeof(WalIndexHdr)) );  in sqlite3WalBeginWriteTransaction()
3315   if( memcmp(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr))!=0 ){  in sqlite3WalBeginWriteTransaction()
3359     memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr));  in sqlite3WalUndo()
3621   WalIndexHdr *pLive;             /* Pointer to shared header */  in sqlite3WalFrames()
3637   pLive = (WalIndexHdr*)walIndexHdr(pWal);  in sqlite3WalFrames()
3638   if( memcmp(&pWal->hdr, (void *)pLive, sizeof(WalIndexHdr))!=0 ){  in sqlite3WalFrames()
3943     memset(&pWal->hdr, 0, sizeof(WalIndexHdr));  in sqlite3WalCheckpoint()
4053   WalIndexHdr *pRet;  in sqlite3WalSnapshotGet()
4062   pRet = (WalIndexHdr*)sqlite3_malloc(sizeof(WalIndexHdr));  in sqlite3WalSnapshotGet()
4066     memcpy(pRet, &pWal->hdr, sizeof(WalIndexHdr));  in sqlite3WalSnapshotGet()
4079   pWal->pSnapshot = (WalIndexHdr*)pSnapshot;  in sqlite3WalSnapshotOpen()
4087   WalIndexHdr *pHdr1 = (WalIndexHdr*)p1;  in sqlite3_snapshot_cmp()
4088   WalIndexHdr *pHdr2 = (WalIndexHdr*)p2;  in sqlite3_snapshot_cmp()
4114     WalIndexHdr *pNew = (WalIndexHdr*)pSnapshot;  in sqlite3WalSnapshotCheck()