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9 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
drh
efc752b131 Fix minor compile issues with optional extensions. 
FossilOrigin-Name: 3261ee9ec26bbeaa64190c12556a1d8146270b6660c70004830bd38c1b5b63f4
 2020-05-25 12:49:58 +00:00
drh
f9101623a3 Register the "vfsstat" virtual table immediately when loading the vfsstat.c 
extension.

FossilOrigin-Name: 9bd92afd0cb0a958441e861c7006b77027125b1ceea0868958ec948b6b3c7bc9
 2019-02-12 12:25:34 +00:00
mistachkin
44e95d4f02 Make the extension auto-loading mechanism work with the __stdcall calling convention. Also, fix a couple Tcl command calling conventions missed in the previous check-in. 
FossilOrigin-Name: 3ea567c4b07b2a7a027b9b5cb8250ab687803698
 2016-07-28 22:23:26 +00:00
drh
c576b27580 Enhance the sqlite3_load_extension() interface to permit extensions to 
return SQLITE_OK_LOAD_PERMANENTLY which will prevents unloading when
the database connection closes.

FossilOrigin-Name: 5908aa4dc59925c414b236b6fd3d3ecd7f3da435
 2016-06-03 13:35:55 +00:00
mistachkin
9f6e686f59 Fix compilation issues with the VFS stat extension. 
FossilOrigin-Name: f6e956525b03fa07190e5521edac4758c386cc80
 2016-06-01 05:02:05 +00:00
drh
66bf810467 Remove an unnecessary malloc from the vfsstat extension. 
FossilOrigin-Name: 24f258c2392290168cf34622b89a4a406a3dd853
 2016-05-28 17:45:15 +00:00
drh
c1502e2f4f Enhance the sqlite3_load_extension() interface to permit extensions to 
return SQLITE_OK_LOAD_PERMANENTLY which will prevent the extensions from
unloading when the database connection closes.

FossilOrigin-Name: d3f99a5e8d0486d0917dfe96987c179a6f63b850
 2016-05-28 17:23:08 +00:00
drh
3c40ae7d3a Add the vfsstat.c loadable extension - a VFS shim that measures the amount 
of I/O, and an eponymous virtual table that is used to extract and view
the measurements.

FossilOrigin-Name: 0987487dd4ebfcf66ddeec8ceca47775216a0887
 2016-05-28 14:53:48 +00:00