Update all built-in VFSes to return SQLITE_OK for the

SQLITE_FCNTL_SYNC_OMITTED file-control operation.  Also change the 
xFileControl methods to return SQLITE_NOTFOUND for unrecognized
operation codes.

FossilOrigin-Name: 6f2c72a0f6579db3f40c079436ca40e3e52bd6d9

manifest

@@ -1,5 +1,8 @@
-C Update\stest\sfile\smutex1.test\sto\saccount\sfor\s[e3b500fb5d].
-D 2011-01-26T15:23:23
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA1
+
+C Update\sall\sbuilt-in\sVFSes\sto\sreturn\sSQLITE_OK\sfor\sthe\nSQLITE_FCNTL_SYNC_OMITTED\sfile-control\soperation.\s\sAlso\schange\sthe\s\nxFileControl\smethods\sto\sreturn\sSQLITE_NOTFOUND\sfor\sunrecognized\noperation\scodes.
+D 2011-01-26T19:46:22.347
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in de6498556d536ae60bb8bb10e8c1ba011448658c
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -141,7 +144,7 @@ F src/journal.c 552839e54d1bf76fb8f7abe51868b66acacf6a0e
 F src/legacy.c a199d7683d60cef73089e892409113e69c23a99f
 F src/lempar.c 7f026423f4d71d989e719a743f98a1cbd4e6d99e
 F src/loadext.c 8af9fcc75708d60b88636ccba38b4a7b3c155c3e
-F src/main.c b82ea116fc9e2e059e77b9a1aba76267681f7149
+F src/main.c 6653e46db7ecb5a7449d8a12900147192f748b97
 F src/malloc.c 92d59a007d7a42857d4e9454aa25b6b703286be1
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c 00bd8265c81abb665c48fea1e0c234eb3b922206
@@ -159,9 +162,9 @@ F src/notify.c 976dd0f6171d4588e89e874fcc765e92914b6d30
 F src/os.c 22ac61d06e72a0dac900400147333b07b13d8e1d
 F src/os.h 9dbed8c2b9c1f2f2ebabc09e49829d4777c26bf9
 F src/os_common.h a8f95b81eca8a1ab8593d23e94f8a35f35d4078f
-F src/os_os2.c 72d0b2e562952a2464308c4ce5f7913ac10bef3e
-F src/os_unix.c aeaf65d261219ad96c021cfd0672509d83c005e4
-F src/os_win.c 2f90f7bdec714fad51cd31b4ecad3cc1b4bb5aad
+F src/os_os2.c 2e452c9f2ca507623ad351c33a8a8b27849b1863
+F src/os_unix.c 1be46a35bad4bec5171e4de88aaff817260eb378
+F src/os_win.c 9abdcdd925416d854eabb0996c96debd92abfef5
 F src/pager.c 37696d876b1c23aa95d8ad7e4afd72d8675984fa
 F src/pager.h 0ea59db2a33bc6c2c02cae34de33367e1effdf76
 F src/parse.y 12b7ebd61ea54f0e1b1083ff69cc2c8ce9353d58
@@ -176,14 +179,14 @@ F src/resolve.c 1c0f32b64f8e3f555fe1f732f9d6f501a7f05706
 F src/rowset.c 69afa95a97c524ba6faf3805e717b5b7ae85a697
 F src/select.c 8a7ba246b0b4bb45df7fbc52681728a0e3deaaa7
 F src/shell.c 83c6f0cc5a79a081c7b9ddfe4f557b47e0bad976
-F src/sqlite.h.in a059e7c0128a656adeb923c34e99a117de99c23d
+F src/sqlite.h.in 76955fcd1c5371268ecc8afe0ce6c49ea750ae38
 F src/sqlite3ext.h c90bd5507099f62043832d73f6425d8d5c5da754
 F src/sqliteInt.h 45926deaf59b1ce3f55d21d5f91a8cecb6a7eb4c
 F src/sqliteLimit.h a17dcd3fb775d63b64a43a55c54cb282f9726f44
 F src/status.c 4997380fbb915426fef9e500b4872e79c99267fc
 F src/table.c 2cd62736f845d82200acfa1287e33feb3c15d62e
 F src/tclsqlite.c 549859dc2c143f3deb6a92636a2d27973652c164
-F src/test1.c 397809a3069c171a507a49b6f6edfc4255b0afbc
+F src/test1.c 771407a49ae199241f0efb7055634e4a1899c026
 F src/test2.c 80d323d11e909cf0eb1b6fbb4ac22276483bcf31
 F src/test3.c 056093cfef69ff4227a6bdb9108564dc7f45e4bc
 F src/test4.c 0528360b5025688002a5feb6be906ddce52eaaee
@@ -897,7 +900,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P e3b500fb5d93d98e6e1ddf6d494a841274d1b68d
-R ec3d93ba029710ba4b26f6ed28374b0b
-U dan
-Z fe9e3186d44ef416a58b3439b4308b42
+P c86e46f4fd8f485fa1d34c70e17ea3aa1b334ce3
+R 59a65e1de1a8ae7d9445e2c547dd8236
+U drh
+Z d8fa84947260f63199b6f3837560c0db
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v1.4.6 (GNU/Linux)
+
+iD8DBQFNQHoRoxKgR168RlERAvFoAJ9x71MhbzYFoS1hvlkP0CNPkaWXTgCdFiTy
+LQ5ls4HAbAwWN5puhiqiVhM=
+=VwZX
+-----END PGP SIGNATURE-----

manifest.uuid

@@ -1 +1 @@
-c86e46f4fd8f485fa1d34c70e17ea3aa1b334ce3
+6f2c72a0f6579db3f40c079436ca40e3e52bd6d9

src/main.c

@@ -816,7 +816,7 @@ const char *sqlite3ErrStr(int rc){
     /* SQLITE_INTERRUPT   */ "interrupted",
     /* SQLITE_IOERR       */ "disk I/O error",
     /* SQLITE_CORRUPT     */ "database disk image is malformed",
-    /* SQLITE_NOTFOUND    */ 0,
+    /* SQLITE_NOTFOUND    */ "unknown operation",
     /* SQLITE_FULL        */ "database or disk is full",
     /* SQLITE_CANTOPEN    */ "unable to open database file",
     /* SQLITE_PROTOCOL    */ "locking protocol",
@@ -2364,6 +2364,8 @@ int sqlite3_file_control(sqlite3 *db, const char *zDbName, int op, void *pArg){
         rc = SQLITE_OK;
       }else if( fd->pMethods ){
         rc = sqlite3OsFileControl(fd, op, pArg);
+      }else{
+        rc = SQLITE_NOTFOUND;
       }
       sqlite3BtreeLeave(pBtree);
     }

src/os_os2.c

@@ -533,7 +533,7 @@ static int os2FileControl(sqlite3_file *id, int op, void *pArg){
       return SQLITE_OK;
     }
   }
-  return SQLITE_ERROR;
+  return SQLITE_NOTFOUND;
 }
 
 /*

src/os_unix.c

@@ -3135,8 +3135,11 @@ static int unixFileControl(sqlite3_file *id, int op, void *pArg){
       return proxyFileControl(id,op,pArg);
     }
 #endif /* SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__) */
+    case SQLITE_FCNTL_SYNC_OMITTED: {
+      return SQLITE_OK;  /* A no-op */
+    }
   }
-  return SQLITE_ERROR;
+  return SQLITE_NOTFOUND;
 }
 
 /*

src/os_win.c

@@ -1183,8 +1183,11 @@ static int winFileControl(sqlite3_file *id, int op, void *pArg){
       SimulateIOErrorBenign(0);
       return SQLITE_OK;
     }
+    case SQLITE_FCNTL_SYNC_OMITTED: {
+      return SQLITE_OK;
+    }
   }
-  return SQLITE_ERROR;
+  return SQLITE_NOTFOUND;
 }
 
 /*

src/sqlite.h.in

@@ -385,7 +385,7 @@ int sqlite3_exec(
 #define SQLITE_INTERRUPT    9   /* Operation terminated by sqlite3_interrupt()*/
 #define SQLITE_IOERR       10   /* Some kind of disk I/O error occurred */
 #define SQLITE_CORRUPT     11   /* The database disk image is malformed */
-#define SQLITE_NOTFOUND    12   /* NOT USED. Table or record not found */
+#define SQLITE_NOTFOUND    12   /* Unknown opcode in sqlite3_file_control() */
 #define SQLITE_FULL        13   /* Insertion failed because database is full */
 #define SQLITE_CANTOPEN    14   /* Unable to open the database file */
 #define SQLITE_PROTOCOL    15   /* Database lock protocol error */
@@ -617,7 +617,9 @@ struct sqlite3_file {
 ** core reserves all opcodes less than 100 for its own use.
 ** A [SQLITE_FCNTL_LOCKSTATE | list of opcodes] less than 100 is available.
 ** Applications that define a custom xFileControl method should use opcodes
-** greater than 100 to avoid conflicts.
+** greater than 100 to avoid conflicts.  VFS implementations should
+** return [SQLITE_NOTFOUND] for file control opcodes that they do not
+** recognize.
 **
 ** The xSectorSize() method returns the sector size of the
 ** device that underlies the file.  The sector size is the

src/test1.c

@@ -4801,13 +4801,13 @@ static int file_control_test(
   }
   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
   rc = sqlite3_file_control(db, 0, 0, &iArg);
-  assert( rc==SQLITE_ERROR );
+  assert( rc==SQLITE_NOTFOUND );
   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
   assert( rc==SQLITE_ERROR );
   rc = sqlite3_file_control(db, "main", -1, &iArg);
-  assert( rc==SQLITE_ERROR );
+  assert( rc==SQLITE_NOTFOUND );
   rc = sqlite3_file_control(db, "temp", -1, &iArg);
-  assert( rc==SQLITE_ERROR );
+  assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
 
   return TCL_OK;
 }