43ab3c2a84
Fix an infinite loop that can occur in the unused, untested, and
...
unsupported ext/misc/btreeinfo.c extension if it is presented with
a corrupt database file.
[bugs:/forumpost/b43c44cc1c|Bug 2026-05-28T05:41:01Z].
FossilOrigin-Name: 646e9b49153ebd7e09e3ef72cc4f64fb685d0cfd8b158ef7d11d37c50c3f0b7e
2026-05-28 11:16:55 +00:00
9b7ea5700b
Fix a problem with shell tool function analyze() and schema objects with name containing "%" characters.
...
FossilOrigin-Name: c6d5793d5d2212c979e2fe5eb12c3844bfc1f2029bd8d076fec030a04f6d4bb5
2026-05-28 11:12:29 +00:00
da18b56b25
Limit the length of inputs to the spellfix1_editdist() extension
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function (not part of the standard SQLite build and rarely used)
to 99999 characters, to avoid any possibility of integer overflow.
[bugs:/forumpost/5da728247a|Bug 5da728247a].
FossilOrigin-Name: 51ebf0e04efcbe982e62f2228553700b8c1147a37c70fdfaa0e377184b3ac936
2026-05-21 13:37:15 +00:00
4d3f3c7070
Security enhancements to the untested and unused fossildelta.c extension.
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Bug reports [bugs:/forumpost/3ac3fe3d71|3ac3fe3d71] and
[bugs:/forumpost/e7e470b760|e7e470b760].
FossilOrigin-Name: 2d3fbbe421d3b0ad8fa08255fd30af7f2d947919ebb90fa9c9c4ee72ffd880b4
2026-05-19 11:15:33 +00:00
bc94e5dbb6
Limit the size of input strings to the (disused) spellfix extension
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to avoid excessive runtime and integer overflows.
[bugs:/forumpost/24a33e5d10|Bugs report 24a33e5d10].
FossilOrigin-Name: 4b16b80cf2e26c41f0828d65883145dc81c0987110c3f04a864cec43e7c418e5
2026-05-19 10:30:13 +00:00
d0fd0cc2fa
Fix a NULL pointer dereference in the obscure (and unused) prefixes
...
extension, which I had forgotten even existed.
[bugs:/forumpost/24a33e5d10|Bug report 24a33e5d10].
FossilOrigin-Name: 4880adc053b0f21633936347fd5610e4338b15da39607d8ba5a6b32d1516e8cb
2026-05-18 23:58:14 +00:00
657721fd32
Attempt to disable false-positive GCC compiler warning.
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FossilOrigin-Name: e377b4d375f2ec64085d953e87739904bbbccf09d82db99fe0579368c985ca84
2026-05-12 11:47:01 +00:00
993bc6b171
Improved detection of OOM in the regexp_bytecode() SQLite function
...
(available in debug builds only).
[forum:/forumpost/a3a10e1c7b5dd1d2|Forum post a3a10e1c7b5dd1d2].
FossilOrigin-Name: 172e8c35badadc3c5eb5065da8ed2161093a0adff0ecfb5b162f78a9fb55bb34
2026-05-09 13:16:18 +00:00
86d1ef8bf7
Fix an integer truncation problem due to oversized inputs to the
...
approximate_match virtual table extension.
[forum:/info/625f687e4d25c392|Forum post 625f687e4d25c392].
FossilOrigin-Name: 2881e17cc030814b350ca371fd2fd2089d3ff2fcc4ea52654de8bc5c2fc95222
2026-05-09 12:41:23 +00:00
e707e68420
Fix a corner-case floating-point rounding problem in the generate_series()
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virtual table, introduced by [c113e31b818d1677] and reported by
[forum:/info/6e6cf9054bea2b1d|forum post 6e6cf9054bea2b1d].
FossilOrigin-Name: ff56785674ebeb1d4bab66ba0827956a2728c8c14419f933d40dc0152efbd4f5
2026-05-09 12:03:14 +00:00
67d4e0226f
Fix harmless compiler warnings. Enhance the CLI prompt mechanism to make
...
it more easily reusable by other projects, and to add the /h, /H, and /u
escape sequences.
FossilOrigin-Name: 354ce4f5e2a86b621b2058a6372495a5919cf3dc88ce1ed3637642f720c48002
2026-04-23 20:13:14 +00:00
4ebed2a4e5
Fix an off-by-one buffer size calculation in the decimal.c extension.
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FossilOrigin-Name: 24df42104d5fd1cf974f2bf539fa7515808e21e68d64899c39f5fcf3bee49a48
2026-04-21 16:07:15 +00:00
63984b6ab7
Fix the fileio extension for Windows builds so that it does not depend on
...
the sqlite3_win32_utf8_to_unicode() and sqlite3_win32_unicode_to_utf()
routines that are found in the SQLite core.
[forum:/forumpost/2026-04-20T02:02:56Z|Forum post 2026-04-20T02:02:56Z].
FossilOrigin-Name: fe0414a9a3caf6af67f53a5f3534efd5d4bf4978ebce1c591ef62d6961e55701
2026-04-20 10:28:19 +00:00
a2116f86b0
The sqlite3_str_new() interface never returns NULL, even after an OOM.
...
Code that uses that interface should invoke sqlite3_str_errcode() to see
if an OOM has occurred.
FossilOrigin-Name: cb910047edc591102dd4ed0d57c863b366981b8aa1d3085d5f95b1fbbabf6c31
2026-04-15 14:41:25 +00:00
ade9289540
Improve the analyze() extension so that it returns a simple error message
...
as text (it does not throw an error) if the database is empty or is "temp"
or does not exist.
FossilOrigin-Name: 35379f60922f14d4f6d231ae627df066ad4e4510208bcc244505b9afb279f2fa
2026-04-15 12:47:37 +00:00
dfba4eb34a
Fix harmless compiler warnings seen by MSVC in the previous check-in.
...
Also add ext/misc/analyze.c to the makefile dependencies for the CLI.
FossilOrigin-Name: 5a0ee6e227042e41ac64869c75f961798b252458670c18662175fe5bfa8b87d3
2026-04-15 12:35:23 +00:00
c8d866294b
Add the .dbstat command to the CLI.
...
FossilOrigin-Name: fdba76df2b3a5b4d56ba79f80fd8b16d5faebca1fb07a266262be2ea635e6f94
2026-04-15 11:41:50 +00:00
9efde40a5d
Compute the average fanout for b-trees of depth 2 or more.
...
FossilOrigin-Name: 2f8598bb09f32100f22dd1d9465f3fa0f7f8d81f5d67c34de9919708345f090b
2026-04-15 10:49:14 +00:00
09f37099a7
Code simplifications. Return NULL is the specified SCHEMA does not exist.
...
FossilOrigin-Name: 953969c88149ea2f589942b98a0a96d907956319e5aa09e2d5a3ae76d3e7d70a
2026-04-14 23:19:02 +00:00
d962afef2d
Various minor tweaks and refinements to the analyze() function.
...
FossilOrigin-Name: 48d94e72eaec443011dd1f7a7264e5222c05bb515c84deaf20ed4195b74d45ff
2026-04-14 20:07:29 +00:00
395ac6c1bc
Implementation of the analyze() SQL function is now mostly complete.
...
FossilOrigin-Name: 1ca0386ab2df0d88ed52941469d459114f483ecf6b7e4691bcc32e909636cb7d
2026-04-14 19:36:33 +00:00
e9d0bc6b68
Much, but not all, of the report generation is added. An incremental check-in.
...
FossilOrigin-Name: 289fefc3edfeecb06dc11897d3ff24763fd9e25db44e369eeec29b9ed3de5ccc
2026-04-14 19:02:40 +00:00
34c2c8dc47
Further fixes and clarifications. Now ready to start generating the
...
actual report.
FossilOrigin-Name: 037a0e586c4aa81a53aea164080e739f9d5b87197d04fdd68feb0ab5eb01020b
2026-04-14 13:18:04 +00:00
3f9df1f5fb
Further improvements to error messages and robustness.
...
FossilOrigin-Name: 45917c1124310fd77daca47865959d3261154f7b0c6771d3689e6d345a3fd153
2026-04-14 12:46:12 +00:00
2eeac123c8
Improved error messages and robustness.
...
FossilOrigin-Name: c09ed9eb914bde96cdc5157e29b6384ce488262a2dadc7321c44941a1d08a187
2026-04-14 12:23:11 +00:00
64a123a216
Initial prototype implementation of a new run-time loadable SQL function
...
to do approximately the same work as sqlite3_analyze.
FossilOrigin-Name: 03934b5a6c88a97117a4743a68ee36d30bcbdcebcf11342d30ac42daf9f10874
2026-04-14 11:25:22 +00:00
34e139d3a3
Always use sqlite3_malloc64() in extensions, where possible.
...
FossilOrigin-Name: 6194f3b5314ef98b5d73060450de8e3497272494b47e6f96992453418894ded1
2026-04-01 16:56:48 +00:00
f62cff6a9e
Fix harmless compiler warnings in the csv.c.
...
FossilOrigin-Name: 6ac701f89e2ac8dfd18d041eb8c36a0c2b9fedc5618d3a95be794aecce5c59cf
2026-03-20 20:35:21 +00:00
08eb5e9e51
Continue enforcing the legacy declaration-before-statement C-language rule,
...
since some downstream still uses it.
FossilOrigin-Name: 5c237f1f863a32cf229010d2024d0d1e76a07a4d8b9492b26503b959f1c32485
2026-03-18 22:31:56 +00:00
169f68ed88
Improved defenses against mischief.
...
FossilOrigin-Name: 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d
2026-03-11 14:43:29 +00:00
140cbff0d2
Remove an obsolete pragraph from the header comment on the fileio.c extension.
...
FossilOrigin-Name: 17613b72f34162ce22864621c519e883930c9f51a0a86afbf30ce664f95d7be1
2026-03-09 14:04:34 +00:00
016a0ebedc
Fix the completion.c TVF so that the xNext method reports errors it encounters
...
while running queries.
FossilOrigin-Name: eebcdcceef8a436e5fb1397cad6eb5bcf0722060fe1cd6acb26cdf1e86f07293
2026-03-08 19:31:40 +00:00
456c7ea715
In the decimal.c extension, set a default MAX_DIGITS to 100 million.
...
Do not allow integer overflow of the N parameter to the internal
decimal_round() function.
FossilOrigin-Name: d0e23423d1bdd0482db4b74ef0fde2fbc2bbad02a7b92ba45a27ca57f4740e16
2026-03-08 18:50:35 +00:00
b4f257f5e0
Fix another memory leak following OOM in the decimal extension.
...
FossilOrigin-Name: 414f6dbc09c2a3cf04ccdfd8f11eecb7ef781facff979ae4236a452913001391
2026-03-07 11:23:11 +00:00
6142524b70
The optional SQLITE_DECIMAL_MAX_DIGIT compile-time option limits the
...
maximum number of digits that the decimal extension will operate on.
FossilOrigin-Name: 4214485b2fe4b95d9440008158d458b4b957a111f201965de1a518623589fd79
2026-03-07 02:36:39 +00:00
3866d01907
Reenable the is_base85() extension function that was disabled
...
by [af18b68978ec9b1f].
FossilOrigin-Name: be07c16e3a7d28b95bea4b987a880d5b4b2b44d9a31ac5b48caa5b6c6dc5bec3
2026-03-07 00:14:36 +00:00
02d9860c8e
Fix another NULL ptr deref following OOM in the sha1 extension.
...
FossilOrigin-Name: c4843e4cce71acb1e3743c45e0ee8cf62e91c39b57cec4f356bf7a4a10f81352
2026-03-07 00:10:34 +00:00
7f6236bed1
Fix a NULL pointer dereference following OOM in the sha1 extension.
...
FossilOrigin-Name: 530b3f97ca4e8b1d263266855743b0d57d048104a6c3bed6c4d7958985767bc6
2026-03-07 00:03:47 +00:00
56b571780e
Fix a NULL pointer dereference following OOM in the decimal extension.
...
FossilOrigin-Name: de37f30b2100e0c249e5c0853d6af90cd3c2069899747dcf0889e6a3d6b94061
2026-03-06 23:58:58 +00:00
84334c941a
Fix a memory leak following OOM in the completion extension.
...
FossilOrigin-Name: ff5b1efbf80875a82b3707b56440551eb6f68a899ade27363bc62872fe46fd75
2026-03-06 23:56:03 +00:00
8f65da4574
Fix a memory leak in the decimal extension that follows an OOM.
...
FossilOrigin-Name: 8d59e47e7ae0aae01cb25c6c054cf9a4d9651e858bc0dd1a0e2a013ec6579012
2026-03-06 23:37:45 +00:00
1bf79ca445
Rename the initializer functions for base64() and base85() to include the
...
number at the end.
FossilOrigin-Name: af18b68978ec9b1ff732505bfb92bb65e4f7381b904123f42c638b747569fa28
2026-03-06 22:09:39 +00:00
7c483444a1
Fix a NULL pointer dereference in the (undocumented) two-argument version
...
of the decimal() extension SQL function.
[forum:/forumpost/fa9c2dc83f|Forum post fa9c2dc83f].
FossilOrigin-Name: a0266351df8700383d50c2ef2d179dd82b0e0fd7fc70d05a91d5e4e845983b46
2026-03-06 21:31:07 +00:00
7fa89ea907
Change some sqlite3_realloc() calls into sqlite3_realloc64().
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FossilOrigin-Name: a391f5646926787fd9a004225ea406b61d20f282c852c0282fd26cada644b601
2026-03-02 15:06:59 +00:00
33478099c9
Fix a possible 9-byte buffer overread in the zipfile extension hit when processing a corrupt zip file. Forum post [forum:/forumpost/721a05d2c5 | 721a05d2c5].
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FossilOrigin-Name: 5db21813d126554d80db903be6d36ab6c1f73f9135a54af6dcfcfce0bcc18e68
2026-03-02 11:22:28 +00:00
9235f9b049
Enhance the realpath() SQL function in the fileio.c extension
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so that it works ever for pathnames that do not exist.
FossilOrigin-Name: 27a5735fb1e194d763ab9fdb933fad4f694fb2f8ad19205d17ac81caebd82548
2026-02-23 11:44:30 +00:00
95fe5b9c38
Improved implementation of realpath() in the fileio.c extension that does not require
...
the last element of the path to actually exist.
FossilOrigin-Name: 4df4999484d9008d8af3c9c340810e0cf5f57161ba053ed5501276b450577039
2026-02-23 00:57:00 +00:00
9bc017423c
Add the realpath() SQL function to the fileio.c extension. And clean up
...
the UTF8 handling on the Windows side of that extension while we are at it.
FossilOrigin-Name: 8bb8941930378b436f1353603be194644568b55fe347475be0caddddad40efa3
2026-02-22 20:44:52 +00:00
f8681fb638
Fix a harmless warning in the decimal extension.
...
FossilOrigin-Name: f16c7c4000f2b992f7245dcaf669f13ed464579f8894f3c16842eebf41285c70
2026-02-21 20:20:06 +00:00
62546d4b1f
In the decimal extension, an optional second argument to the
...
decimal() and decimal_exp() functions rounds the value to the
number of significant digits specified by that argument.
FossilOrigin-Name: cb24edf1afc3f9083a4963c5fe232933eccc7c0cb8872aa5fcd336d226b885ef
2026-02-20 16:21:58 +00:00
drh