61 static int kvvfsReadDb(sqlite3_file*, void*, int iAmt, sqlite3_int64 iOfst);
62 static int kvvfsReadJrnl(sqlite3_file*, void*, int iAmt, sqlite3_int64 iOfst);
63 static int kvvfsWriteDb(sqlite3_file*,const void*,int iAmt, sqlite3_int64);
64 static int kvvfsWriteJrnl(sqlite3_file*,const void*,int iAmt, sqlite3_int64);
505   int iAmt,   in kvvfsReadJrnl()  argument
510   SQLITE_KV_LOG(("xRead('%s-journal',%d,%lld)\n", pFile->zClass, iAmt, iOfst));  in kvvfsReadJrnl()
524   if( iOfst+iAmt>pFile->nJrnl ){  in kvvfsReadJrnl()
527   memcpy(zBuf, pFile->aJrnl+iOfst, iAmt);  in kvvfsReadJrnl()
537   int iAmt,   in kvvfsReadDb()  argument
546   assert( iAmt>=0 );  in kvvfsReadDb()
547   SQLITE_KV_LOG(("xRead('%s-db',%d,%lld)\n", pFile->zClass, iAmt, iOfst));  in kvvfsReadDb()
548   if( iOfst+iAmt>=512 ){  in kvvfsReadDb()
549     if( (iOfst % iAmt)!=0 ){  in kvvfsReadDb()
552     if( (iAmt & (iAmt-1))!=0 || iAmt<512 || iAmt>65536 ){  in kvvfsReadDb()
555     pFile->szPage = iAmt;  in kvvfsReadDb()
556     pgno = 1 + iOfst/iAmt;  in kvvfsReadDb()
566     if( iOfst+iAmt<512 ){  in kvvfsReadDb()
567       int k = iOfst+iAmt;  in kvvfsReadDb()
570       if( n>=iOfst+iAmt ){  in kvvfsReadDb()
571         memcpy(zBuf, &aData[2000+iOfst], iAmt);  in kvvfsReadDb()
572         n = iAmt;  in kvvfsReadDb()
577       n = kvvfsDecode(aData, zBuf, iAmt);  in kvvfsReadDb()
580   if( n<iAmt ){  in kvvfsReadDb()
581     memset(zBuf+n, 0, iAmt-n);  in kvvfsReadDb()
594   int iAmt,   in kvvfsWriteJrnl()  argument
598   sqlite3_int64 iEnd = iOfst+iAmt;  in kvvfsWriteJrnl()
599   SQLITE_KV_LOG(("xWrite('%s-journal',%d,%lld)\n", pFile->zClass, iAmt, iOfst));  in kvvfsWriteJrnl()
612   memcpy(pFile->aJrnl+iOfst, zBuf, iAmt);  in kvvfsWriteJrnl()
622   int iAmt,   in kvvfsWriteDb()  argument
629   SQLITE_KV_LOG(("xWrite('%s-db',%d,%lld)\n", pFile->zClass, iAmt, iOfst));  in kvvfsWriteDb()
630   assert( iAmt>=512 && iAmt<=65536 );  in kvvfsWriteDb()
631   assert( (iAmt & (iAmt-1))==0 );  in kvvfsWriteDb()
632   assert( pFile->szPage<0 || pFile->szPage==iAmt );  in kvvfsWriteDb()
633   pFile->szPage = iAmt;  in kvvfsWriteDb()
634   pgno = 1 + iOfst/iAmt;  in kvvfsWriteDb()
636   kvvfsEncode(zBuf, iAmt, aData);  in kvvfsWriteDb()
640   if( iOfst+iAmt > pFile->szDb ){  in kvvfsWriteDb()
641     pFile->szDb = iOfst + iAmt;  in kvvfsWriteDb()