Index: src/shell.c ================================================================== --- src/shell.c +++ src/shell.c @@ -4968,24 +4968,28 @@ { "number of views:", "SELECT count(*) FROM %s WHERE type='view'" }, { "schema size:", "SELECT total(length(sql)) FROM %s" }, }; - sqlite3_file *pFile = 0; int i; char *zSchemaTab; char *zDb = nArg>=2 ? azArg[1] : "main"; + sqlite3_stmt *pStmt = 0; unsigned char aHdr[100]; open_db(p, 0); if( p->db==0 ) return 1; - sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_FILE_POINTER, &pFile); - if( pFile==0 || pFile->pMethods==0 || pFile->pMethods->xRead==0 ){ - return 1; - } - i = pFile->pMethods->xRead(pFile, aHdr, 100, 0); - if( i!=SQLITE_OK ){ + sqlite3_prepare_v2(p->db,"SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1", + -1, &pStmt, 0); + sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC); + if( sqlite3_step(pStmt)==SQLITE_ROW + && sqlite3_column_bytes(pStmt,0)>100 + ){ + memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100); + sqlite3_finalize(pStmt); + }else{ raw_printf(stderr, "unable to read database header\n"); + sqlite3_finalize(pStmt); return 1; } i = get2byteInt(aHdr+16); if( i==1 ) i = 65536; utf8_printf(p->out, "%-20s %d\n", "database page size:", i); Index: src/shell.c.in ================================================================== --- src/shell.c.in +++ src/shell.c.in @@ -3608,24 +3608,28 @@ { "number of views:", "SELECT count(*) FROM %s WHERE type='view'" }, { "schema size:", "SELECT total(length(sql)) FROM %s" }, }; - sqlite3_file *pFile = 0; int i; char *zSchemaTab; char *zDb = nArg>=2 ? azArg[1] : "main"; + sqlite3_stmt *pStmt = 0; unsigned char aHdr[100]; open_db(p, 0); if( p->db==0 ) return 1; - sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_FILE_POINTER, &pFile); - if( pFile==0 || pFile->pMethods==0 || pFile->pMethods->xRead==0 ){ - return 1; - } - i = pFile->pMethods->xRead(pFile, aHdr, 100, 0); - if( i!=SQLITE_OK ){ + sqlite3_prepare_v2(p->db,"SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1", + -1, &pStmt, 0); + sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC); + if( sqlite3_step(pStmt)==SQLITE_ROW + && sqlite3_column_bytes(pStmt,0)>100 + ){ + memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100); + sqlite3_finalize(pStmt); + }else{ raw_printf(stderr, "unable to read database header\n"); + sqlite3_finalize(pStmt); return 1; } i = get2byteInt(aHdr+16); if( i==1 ) i = 65536; utf8_printf(p->out, "%-20s %d\n", "database page size:", i);