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22 Commits

Author SHA1 Message Date
drh
a959bf5311 Add NULL checks on all sqlite3_vfs_find(0) calls. This is not strictly 
necessary.  There are no vulnerabilities here.  However, adding these
checks avoids unnecessary static analyzer complaints.
[forum:/forumpost/ce1193be15|Forum post ce1193be15].

FossilOrigin-Name: 272a15b9f418fb0b31a9808f7c42c20cf52318035ff98935d8e8519634357e8d
 2021-06-15 15:15:40 +00:00
larrybr
6536c4f18e Fix seg-fault upon appendvfs attempt to open non-existent file. 
FossilOrigin-Name: 04f6439f4d9b9b1f717c3aa243a93585df7e7844c216fab5d15bebb050ab00b1
 2021-04-07 09:31:32 +00:00
drh
8b04094c4f Fix a harmless compiler warning in the appendvfs.c extension. 
FossilOrigin-Name: 0ed7eb9115510511f13dca715bb2b178580648517d8d30436a992d70a2e85ac1
 2021-03-17 19:05:59 +00:00
drh
3fee67533e Comment and stylistic changes to the appendvfs.c implementation. 
FossilOrigin-Name: 25c3186aa143328157fb506a29802e87099cd14be4fa218230484a3212f20621
 2021-03-16 14:12:26 +00:00
larrybr
67d4bbf6c1 Fix assert typo. 
FossilOrigin-Name: 3aedf818c1cfc88ee1103abd8b20e787f6be1bcc4c9350963f0cd52f5ac04154
 2021-03-16 07:06:29 +00:00
larrybr
5cad178b86 Fix appendvfs bug exposed with bigger files, and add tests for such conditions. 
FossilOrigin-Name: 19b1f53a1c0a14440ae8ac71660a2595d37a4a5b201055c19366c7dca75d6660
 2021-03-16 06:41:51 +00:00
drh
407cfe994d Bug fix in appendvfs.c: Adjust the size parameter for 
SQLITE_FCNTL_SIZE_HINT to account for the prefix.

FossilOrigin-Name: 41df3bbefd63151f2ddb920066777eab8e07ecfc0edb0f71f9493debe0a4a2c4
 2021-03-11 13:43:29 +00:00
larrybr
ddf4972063 Add tests for too-tiny appended DBs, clarify align macro. 
FossilOrigin-Name: eb40a8dea6afe6890ddda989de83f3d4ae03b112bf78bfc818dfbd57cc5b5b2a
 2021-03-08 20:13:43 +00:00
drh
baca9807f9 Fix a harmless compiler warning in appendvfs.c 
FossilOrigin-Name: f538961a8058cc327d64c8ec317f1b4f8bbb604f90261160c6c27f26f4800682
 2021-03-08 16:29:06 +00:00
drh
e021890954 Require that the appendvfs suffix mark indicate that the appended database 
begins at an offset that is a muliple of 512 and that the appended database
contains at least 512 bytes.

FossilOrigin-Name: aeb87cc70495dd172e170eff31fd754331d4b979c0b649ab239f8c5c0c76e695
 2021-03-08 13:45:08 +00:00
drh
1e6f334645 Correct the precendence order for rules that determine how a database is 
opened by appendvfs when a database is appended to another database.

FossilOrigin-Name: 92989fc56f2e81ac13f8106ec83c930f43d10715269b988ee47c9bfa53621995
 2021-03-08 13:30:29 +00:00
drh
40942f22f1 Minor comment and formatting changes. 
FossilOrigin-Name: cf2add064f70c477fee1473c3196b72deb41222eb0cdbbdbdcf4a79995184e2b
 2021-03-08 12:59:16 +00:00
larrybr
7e398c04fe Add grow/shrink tests. Fix truncate bug. Make appendvfs.c easier to inspect. 
FossilOrigin-Name: c9521fa55620d0cb3cec20db7b42bc5f18876b42dca07811d1cd0f4b2907eab2
 2021-03-07 18:55:25 +00:00
larrybr
feecc9f547 Fix appendvfs bug exposed by docsapp build (in docsrc), and tighten/revise published behavior. 
FossilOrigin-Name: 7f0f2eacdb496f7f36865ba62164a48edb324a3c6baede736b4e7edf5e8b0fdb
 2021-03-05 20:46:53 +00:00
drh
0c52f5a2b0 Fix other potentiall pointer aliasing problems associated with subclassing 
of the sqlite3_file object for various VFS implementations.

FossilOrigin-Name: 270ac1a0f232d75537be40abae559004e950b992cb2c7e94cd6de66e96ae17bd
 2020-07-24 09:17:42 +00:00
drh
b968518559 Fix harmless compiler warnings, mostly unused parameters for UDFs in the CLI. 
FossilOrigin-Name: bfbeffab7735461acb3773242ba31dae15af9f8b0291c54a6734747bb1b36e66
 2018-01-17 13:15:23 +00:00
drh
8682e12190 Modify the sqltclsh startup script to look for a properly formatted 
SQLAR at the end of the executable.  Fix the CLI so that it automatically
links against appendvfs and so that the --append command-line option works.

FossilOrigin-Name: 67c4a8c6881e33b830aa27c80e7e3d697a4222939edd77cd5ca77ece16471ea4
 2018-01-07 20:38:10 +00:00
drh
6b9986e84a Fix the appendvfs so that it leaves sqlite3_file->pMethods as NULL if it 
fails to open.

FossilOrigin-Name: 46b341e3ad11b807ae50f001b970299de7ea0d523dbb639ee10f1d5aca5d958b
 2018-01-06 13:33:21 +00:00
drh
dd2a43a225 Fixes to the appendvfs.c extension. Add the "sqltclsh" application that 
uses appendvfs.c to find its scripts.

FossilOrigin-Name: ee248b529c2396c5480fb99b0a1dc31032627ec8241eca4a8c0fff257bb4a088
 2017-12-14 19:24:00 +00:00
drh
233ff96ec5 The "apndvfs" VFS shim now appears to be working for both reads and writes. 
FossilOrigin-Name: 7f7b72d83633922e2b5dbf0d3455d0fea72cc6b8925ffcb78dfbad7b3c4b26e9
 2017-12-14 16:57:11 +00:00
drh
e483d349ab Add the ability to write to an appended database. This check-in compiles 
but is otherwise untested.

FossilOrigin-Name: e343c63cbd754f37c33c939cd0b6f1ecc6202e60c6e66cd65c23cc8d571a994e
 2017-12-14 16:28:27 +00:00
drh
3be8b1a4f7 Initial implementation of the appendvfs extension. Untested. 
FossilOrigin-Name: 063a03a3779e8c032dd006712facaaa6d60964425701ea10c753ff981a8f2bd9
 2017-10-21 12:59:27 +00:00