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957 Commits

Author SHA1 Message Date
drh
77b2a47a20 Fix compiler warnings, mostly associated with the new ext/misc/optname.c 
extension.

FossilOrigin-Name: 9d1bc870de51a35d2ecb362a728643d751f33efef2399dccd0d64438e8e48979
 2026-10-12 22:42:19 +00:00
stephan
891eb44d4d Minor hardening of the fossil delta extension against malformed deltas. Based on suggestions from Dan Mestas. 
FossilOrigin-Name: 4528f00d5a189f4cc3a3ecf5b3afa13f103cf438f923e19eb0bbe4c4e369e8ec
 2026-10-12 09:49:25 +00:00
drh
4c7729af99 New extension ext/misc/optname.c provides the canonical mapping between 
optimization bitmaps and optimization names.  This gives a single point
of edit when there are changes.  Used by the CLI, by testfixture, and by
TH3.

FossilOrigin-Name: 135ed9e2cc9bd37c3e158a488e37f4ce14ffeca44ff12e31f25a6686a2622ca1
 2026-10-10 17:40:46 +00:00
drh
82fda1d99a Sanitize "*/" in tables names of the output of the .diskused command 
in the CLI, and in sqlite3_analyzer, so that it doesn't prematurely
close the comment. ANT-2026-XQM1QD48

FossilOrigin-Name: bcde8f991a86aed6280c1b6164bc14cc1aff1a966a694a5fb32341ffa0202960
 2026-10-08 10:55:33 +00:00
dan
2503dc6182 Avoid marking little-known extension function next_char() as SQLITE_INNOCUOUS by default. 
FossilOrigin-Name: 481a1df638aeef163022523f8de590c265f64d078eb070cf262995e8ecb0f690
 2026-09-24 17:09:56 +00:00
drh
cd4e52fe73 Improved support for stdcall on 32-bit windows, for legacy. 
FossilOrigin-Name: e638307a519c929271682b9d9093e6dbdc90ca9a07d45ca9fc9ee114d6fd02c7
 2026-09-18 15:38:29 +00:00
drh
220b580fc7 Fix minor issues with the delta_parse() table-valued function in the 
fossildelta.c extension.  Add test cases for the fossildelta.c extension.
[bugs:/info/2026-09-09T10:29:35Z|Bug 2026-09-09T10:29:35Z] and
[bugs:/info/2026-09-09T10:55:54Z|Bug 2026-09-09T10:55:54Z].

FossilOrigin-Name: 737ab94632c7745d3fd1f82894a1c8174db59350a33329660681398dd604c4d0
 2026-09-09 13:49:42 +00:00
drh
9ec2b69c0d Fix the ext/misc/compress.c extension such that it compiles independently 
of the CLI.

FossilOrigin-Name: 4cd5ecc5b3ea4b86875849ede0c5a072e76331eae3ccac139e51fe7568260b42
 2026-08-27 10:01:13 +00:00
drh
b130fc5319 Enhance the tmstmpvfs.c extension so that it tags zero pages in the log file. 
FossilOrigin-Name: e9d649b77b14990cdc5440e08fdace6989737f3fd1acfc8b1c1bb72be7022ec0
 2026-08-26 12:31:34 +00:00
drh
603233d42e Improved handling of OOM errors in the Windows implementation of the 
sqlite3_stdio.c extension.
[bugs:/info/2026-08-25T16:55:53Z|Bug 2026-08-25T16:55:53Z].

FossilOrigin-Name: 555489e4c21f5ab65364c73217ec76202a5c97d2f4d66cf38e00158af13ecad6
 2026-08-25 18:16:16 +00:00
drh
e18ff9bf54 Prevent some potential NULL pointer deferences following misuse of the 
non-standard amatch extension.
[bugs:/info/2026-08-25T16:47:32Z|Bug 2026-08-25T16:47:32Z].

FossilOrigin-Name: 99b69371a136d71e91b482e97e38bfbc3b0c1a63db6c75af5c83494fd758d4cd
 2026-08-25 17:59:05 +00:00
drh
a7969a001d Fix a harmless compiler warning in the non-deliverable normalize.c 
extension.  [bugs:/info/2026-08-20T23:33:57Z|Bug 2026-08-20T23:33:57Z].

FossilOrigin-Name: 11a73d18be23f52c83d4b1a81841bef140a3cbd117bf3351c0bd143e0435a17f
 2026-08-21 00:31:55 +00:00
drh
c69f996361 Fix the zipvfs virtual table so that it works with UPDATE OR REPLACE. 
[bugs:/info/2026-08-19T01:52:09Z|Bug 2026-08-19T01:52:09Z].

FossilOrigin-Name: 1f71a577adfbfe9ca691766b9c97d002720118dbfdee5f16424ecf96b4a40b9b
 2026-08-19 15:29:15 +00:00
drh
17e0414503 In the (test and debug use only) qpvtab extension, terminate each string 
at the first 0x00 character.
[bugs:/info/2026-08-19T02:29:00Z|Bug 2026-08-19T02:29:00Z].

FossilOrigin-Name: 15192e7a4f6b08dc267b7215e1a126a5e6664e988ad68195195ab164cb63e90e
 2026-08-19 15:06:04 +00:00
drh
55bf04a530 Fix the (test and debug use only) vtablog.c extension so that it avoids 
NULL pointer dereferences following an OOM fault.
[bugs:/info/2026-08-19T02:38:14Z|Bug 2026-08-19T02:38:14Z].

FossilOrigin-Name: 33296ed1d6cf6ebd7ff6638b20afaad2b0ffd7ed997a70450354034a74e7f643
 2026-08-19 13:01:34 +00:00
drh
9ac0c79e11 Use a typecast to fix a possible integer overflow in the 
(unsupported) ext/misc/compress.c extension.
[bugs:/info/2026-08-18T09:33:57Z|Bug 2026-08-18T09:33:57Z].

FossilOrigin-Name: d0f1f683b94f90ba111509ec1c108a73388579c870aa740379b28cbb00a2827b
 2026-08-18 10:33:46 +00:00
drh
e59c4f9ddd Fix an MSVC compiler warning in the amatch.c extension. 
FossilOrigin-Name: 43b23132a1288979063b3121b3f4f0d9d7805323b8e8496508426fa371425338
 2026-08-12 20:26:57 +00:00
dan
7a4496c474 Fix a single byte buffer overrun in the approximate_match extension. 
FossilOrigin-Name: 7f380be91b75307bd7b57415cb53ca5c01894ff921f2ad23736a8faaff25b907
 2026-08-04 13:44:14 +00:00
drh
ee917329f8 Cap constraint values on constraints to the amatch virtual table so 
that they fit into a 32-bit signed integer.
[bugs:/info/2026-08-02T13:01:25Z|Bug 2026-08-02T13:01:25Z]

FossilOrigin-Name: 092b87164aa7d097287ad0fee4be8b66cf840043dc3091193824d74f2d54a833
 2026-08-02 21:59:03 +00:00
drh
0950d29072 Update the header comment on the zipfile extension to state clearly that 
writes to the ZIP archive are non-transaction.  No code changes.
[bugs:/info/2026-08-02T14:03:49Z|Bug 2026-08-02T14:03:49Z].

FossilOrigin-Name: 1b623a6064427e81dffc2897e017accc98243ecaf23c5f4df752d3da91b51be6
 2026-08-02 20:17:53 +00:00
drh
4b43e57193 Fix incorrect header comment in the templatevtab.c demo extension. 
[bugs:/info/2026-08-02T13:49:50Z|Bug 2026-08-02T13:49:50Z]

FossilOrigin-Name: 1c95c741ca01be4241657f27e5e8697afb46dbc2ca4764a3de5080b04ffa3750
 2026-08-02 19:40:20 +00:00
drh
ba60f9c836 Fix typo in column name generation logic of the (debugging use 
only) vtablog.c extension.
[bugs:/info/2026-08-02T13:56:56Z|Bug 2026-08-02T13:56:56Z]

FossilOrigin-Name: 42bde30535f43404a5996618ff923dcc8af71b56f72935e9e22ada315a046e72
 2026-08-02 19:35:12 +00:00
drh
b94e0e8468 Take care to avoid trying to compute 0.0/0.0 in the diskused extension. 
If such a value needs to be displayed, show the result as 0.0.
[bugs:/info/2026-08-02T12:48:58Z|Bug 2026-08-02T12:48:58Z]

FossilOrigin-Name: a455f347c50872518eff46753ded9a6080ece680be4a1fcc9dc747e16521e95c
 2026-08-02 18:27:00 +00:00
drh
83e6d3e471 Enhance the (unsupported) closure extension to support 64-bit "depth" 
values. [bugs:/info/2026-08-02T13:11:13Z|Bug 2026-08-02T13:11:13Z].

FossilOrigin-Name: fccfd5c410c875c35b72475d442c9c1d384deaef1859ba05586841d6c0909e0d
 2026-08-02 17:12:01 +00:00
drh
c59cf28db7 Do not allow the (obsolete and unsupported) closure extension to use itself 
as its own reference table.
[bugs:/info/2026-08-02T13:07:40Z|Bug 2026-08-02T13:07:40Z].

FossilOrigin-Name: 5e347561c3f8d271bf47c44473fa4b51b87ccab91b40c33f5aad28990a26e9ba
 2026-08-02 16:32:28 +00:00
drh
f034d515b4 The use of sqlite3_set_clientdata() to limit recursion in [4687e04d948b787c] 
is incorrect.  Fixed here.

FossilOrigin-Name: bf44a08adc94b8c7c69921a1292d56bec0cbd9f3ac772e31d8ea5866e9f46063
 2026-07-31 22:45:45 +00:00
drh
db30b1cbc3 Enforce the 1GiB size limit on appendvfs files. 
[bugs:/info/2026-07-29T06:29:52Z|Bug 2026-07-29T06:29:52Z]

FossilOrigin-Name: 180e75e07630b4fa7abdd28ad889e27031071555078989c40a8c10a1d2905338
 2026-07-29 23:47:55 +00:00
drh
9c94fcbea8 In the experimental and unsupported amatch.c extension, raise an error 
if a cost value is out of range even if the rule that the cost applies
to will never be used.
[bugs:/info/2026-07-29T06:30:13Z|Bug 2026-07-29T06:30:13Z]

FossilOrigin-Name: 86b7a62c5ccf41479a9556e705e3c43973a4033c2db42d298050dcfce121ee05
 2026-07-29 18:03:45 +00:00
drh
9b6fbaf4ca Do not allow recursion in extension functions sha1_query() or sha3_query(). 
[bugs:/info/2026-07-29T06:29:33Z|Bug 2026-07-29T06:29:33Z].

FossilOrigin-Name: 4687e04d948b787cee748279b13774ee1389bb179f8762720631a540f5cd9136
 2026-07-29 17:36:16 +00:00
drh
a44c884677 Turn redundant loads of the experimental vfsstat.c extension from a 
stack overflow into a harmless no-op.
[bugs:/info/2026-07-29T06:28:47Z|Bug 2026-07-29T06:28:47Z].

FossilOrigin-Name: add89fba2ffe9da5b0305182c97f8408e0dd7d2c3d81f40e0a84f6f79154c5a3
 2026-07-29 17:19:00 +00:00
drh
d14c3f15ff Turn redundant registrations of the cksumvfs extension from a stack 
overflow into a harmless no-op.
[gugs:/info/2026-07-29T06:28:31Z|Bug 2026-07-29T06:28:31Z]

FossilOrigin-Name: d6453bc80e6e717813f2f5d4a40548cbc25e83e09c209793cacfddb94a408053
 2026-07-29 17:08:52 +00:00
drh
37275bc277 Block deep recursion in test extension functions test_eval() and eval(). 
Does not affect deliverable code.
[bugs:/info/2026-07-29T06:29:11Z|Bug 2026-07-29T06:29:11Z]

FossilOrigin-Name: 3e99c27fe3db76a146bb4a77c08007e6c4598cda7975dd40d4f7f14c3bd914b5
 2026-07-29 13:00:37 +00:00
drh
d565536731 Improved comments clarifying operation of the ext/misc/noop.c testing 
extension.
[bugs:/info/2026-07-29T06:31:22Z|Bug 2026-07-29T06:31:22Z].

FossilOrigin-Name: c9bb594059c5e7ad6fd04f1b8087910833d89f05ddf1b6eea6bd5590c851c790
 2026-07-29 11:28:07 +00:00
drh
67cfb59334 Fix the sha1() extension function so that it interprets zero-length 
BLOBs as BLOBs and not as NULL.  Also add a few test cases for that
extension function, which was previously completely untested.
[bugs:/info/2026-07-29T06:31:41Z|Bug 2026-07-29T06:31:41Z].

FossilOrigin-Name: 978d12de384fef985d0363633566304bb20f452dfe8ceb836ca1d353a135f30a
 2026-07-29 10:28:44 +00:00
drh
d9305a65c8 Add reference counting to the EditDist3Config object in the spellfix 
extension.  This should prevent possible UAF following OOM as
described by [bugs:/info/2026-07-26T07:55:13Z|Bug 2026-07-26T07:55:13Z].

FossilOrigin-Name: 37364eaecc148133de4e5b329e10c70922e65829244b4abd448c0adb5ca40877
 2026-07-26 18:45:54 +00:00
drh
1b2a4a37b0 Reduce divergence between ext/misc/fossildelta.c, 
the delta code in ext/rbu/sqlite3rbu.c, and Fossil itself.

FossilOrigin-Name: 7f49a7a90eda01753c0dff65197bd7bc48a751e24a46919d30af6e2baf0788fc
 2026-07-06 16:26:30 +00:00
drh
b113e89537 Avoid a (harmless) 1-byte OOB read due to malformed inputs in the 
normalize.c extension.
[bugs:/info/2026-07-06T13:02:37Z|Bug 2026-07-06T13:02:37Z]

FossilOrigin-Name: b1d7123bc619e3cb9dffa8dd52ba31cc18329b14557d8f2d9e547b729016548c
 2026-07-06 13:43:42 +00:00
drh
e9551eb2a3 In the strdup.c expension, do not invoke memcpy() with a NULL pointer 
even if the count is zero.

FossilOrigin-Name: c56da4bba175cac55ea3f159520a583a8e4739dae77365ffe19e9ffcc5841804
 2026-07-06 11:34:46 +00:00
drh
2497b685b2 Properly handle errors from the readlink() system call in the 
fileio.c extension.
[bugs:/info/2026-07-05T12:06:32Z|Bug 2026-07-05T12:06:32Z]

FossilOrigin-Name: 85effd2ad321fb7f02b42e200ad2ba27323b0e866fa3412a56db32ab8e048df5
 2026-07-05 19:18:33 +00:00
drh
0c3a9d3b0c Add the strdup() SQL function extension for use in testing. 
FossilOrigin-Name: 521a7cf8443d914ae0486aa8a91924ed35a1d5b88082acbe513cef216408c97e
 2026-07-04 15:09:52 +00:00
drh
2f13a51628 Fix possible one-byte OOB read in the fossildelta.c extension. 
[bugs:/info/2026-07-04T04:53:59Z|Bug 2026-07-04T04:53:59Z]

FossilOrigin-Name: 8001a373d1c91f92639fb34fca18f9667f1ee92eb6bfa49df06b8cc256385292
 2026-07-04 09:22:27 +00:00
drh
640578de53 Make sure local functions in the series.c extension have only file scope. 
[forum:/info/2026-06-27T20:38:26Z|Forum 2026-06-27T20:38:26Z].

FossilOrigin-Name: d8c59f264bdb4ad927fffd9ce78a36a6754487071ff7ce3316edbd63789d7af2
 2026-06-27 21:52:55 +00:00
drh
ce98fde606 In the amatch.c and fuzzer.c extensions (both of which are experimental, 
for testing purposes only, and are not part of any deliverable) treat
NULL inputs as empty strings.
[bugs:/info/2026-06-27T19:32:29Z|Bug 2026-06-27T19:32:29Z].

FossilOrigin-Name: 7bcd606c8a2746e3c9258de239e97e14c2e809b91911b1d1b49636dca8fe2d7b
 2026-06-27 20:30:17 +00:00
drh
9aee833096 Put reasonable input limits on the (non-deliverable and obsolete) 
amatch.c extension.
[bugs:/info/2026-06-27T19:15:11Z|Bug 2026-06-27T19:15:11Z]

FossilOrigin-Name: 2fe1366e649ddd964153059b3c33b380af1924afb59210ac3311fd7bc8af5922
 2026-06-27 20:18:46 +00:00
drh
f916f72495 Avoid 32-bit integer overflow in the zipfile extension given 
ridiculous arguments.
[bugs:/info/2026-06-26T11:40:02Z|Bug 2026-06-26T11:40:02Z]

FossilOrigin-Name: 7eedf458ca4e8e72d309d5d342d364f49950fedca94dc157337e65d766c012c1
 2026-06-26 14:20:32 +00:00
drh
bfbeb641de Fix parsing of quoted instantiation arguments in the spellfix extension. 
[bugs:/info/2026-06-26T10:52:36Z|Bug 2026-06-26T10:52:36Z]

FossilOrigin-Name: c2e963ad948e0c244d6b883b919ec0815c20018282e04e5649c00e70f5a1d2ed
 2026-06-26 13:51:48 +00:00
drh
0a54af99a1 Fix unbounded whitespace skip in the decimal extension. 
[bugs:/info/2026-06-26T10:06:54Z|Bugs 2026-06-26T10:06:54Z]

FossilOrigin-Name: 71d4cfe5a34cf8485ab2e5abe670381cd068f013233d98c44355a6bcdfcbbbb0
 2026-06-26 13:41:07 +00:00
drh
8cb5703867 Fix the (non-deliverable, testing-use-only) closure extension so that it 
parses quoted instantiation arguments correctly.
[bugs:/info/2026-06-26T10:06:27Z|Bug 2026-06-26T10:06:27Z]

FossilOrigin-Name: 11ffa3bfba77b9f3a8c4903d496f63ee26c9873f735d254f35111eecf91228be
 2026-06-26 13:00:38 +00:00
drh
040b521c7e Mark the diskused() extension SQL function as direct-only. 
[bugs:/info/2026-06-26T10:52:15Z|Bug 2026-06-26T10:52:15Z]

FossilOrigin-Name: b66292820ad17b54eb5f0a48ef9ff01a1b52efd8004307c6faeeb4687ab50567
 2026-06-26 12:34:22 +00:00
drh
ce512d4229 Fix an OOB read on the unused spellfix1 extension. The OOB read is 
one byte prior to the start of an allocation, which is almost always
harmless.  [bugs:/info/2026-06-23T18:48:40Z|Bug 2026-06-23T18:48:40Z].

FossilOrigin-Name: e58d5efc7b3387566661475e1a9afb6b94388a835cfb178999603135d57280fa
 2026-06-23 19:28:14 +00:00