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ebeffef36c5ad0e855cd208cc39989fc33511a6c
Commit Graph

46 Commits

Author SHA1 Message Date
drh
6e11b16282 Simplify error handling logic in sqlite3_exec() to save about 40 bytes. 
FossilOrigin-Name: 6480916c7266437cf8a70e5db2ca5c753ad71c361b68e41cbf8572f77c271920
 2017-06-28 01:21:16 +00:00
drh
5c258dc1cc Change two MallocZero() calls into MallocRaw() to avoid unnecessary memset(). 
FossilOrigin-Name: ff5e733cbffd73faa4046e0f1c7f24bb6e131738
 2017-02-16 17:18:07 +00:00
mistachkin
fad3039c51 Enhance ability to debug out-of-memory errors. 
FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28
 2016-02-13 23:43:46 +00:00
drh
4a642b6060 Improvements to the way that OOM errors are processed. 
FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
 2016-02-05 01:55:27 +00:00
drh
09e60541ae Complete the implementation of the various APIs. Fix several problems. 
This is another incremental check-in that does not completely work.

FossilOrigin-Name: 4eaaa7fa87aa912d24f8b35440ab60310dc08310
 2014-09-10 22:46:46 +00:00
drh
13f40da31d Split the sqlite3Error() routine into sqlite3Error() and 
sqlite3ErrorWithMsg(), for a slight size reduction and performance increase.

FossilOrigin-Name: cf561d1f0bb60b3d638632d20bd686dda4fa4a04
 2014-08-22 18:00:11 +00:00
drh
ddb17cae38 Updates to evidence marks and requirements. No changes to code. 
FossilOrigin-Name: 62d38308b519a5362f559b296a0cf1acccf8f673
 2014-08-11 15:54:11 +00:00
drh
60625313b0 Increase the default SQLITE_MAX_SCHEMA_RETRY to 50. Make sure that macro 
covers every case where a prepared statement might need to be reprepared due
to a schema change.  The sqlite3_exec() interface now uses 
sqlite3_prepare_v2().

FossilOrigin-Name: c1d7304c80c4a6244c8a9f6fad1eebd0f339c724
 2013-04-06 18:06:51 +00:00
drh
413c3d36a2 Continuing improvements to error reporting and the sqlite3_log() routine. 
FossilOrigin-Name: edea3bb740ddd096a46e00678b59d465bb1e2903
 2010-02-23 20:11:56 +00:00
drh
87f5c5f16e Manually copy over the rebustness fixes from the apple-osx branch. 
FossilOrigin-Name: 095c74ea6260096f6a600fdc0edccf7ea24aace4
 2010-01-20 01:20:56 +00:00
drh
c81c11f62c Remove the obsolete "$Id:$" RCS identifier strings from the source code. 
FossilOrigin-Name: f6c045f649036958078cb15cd9d5453680c82b0c
 2009-11-10 01:30:52 +00:00
danielk1977
410b6bb578 Enhancement to (6844). If sqlite3_exec() is to return SQLITE_NOMEM because it fails to allocate space for an error message, set the database error-code to SQLITE_NOMEM too. (CVS 6962) 
FossilOrigin-Name: 8293fa19c02abe0e2a7594b9bceac28929de8fdf
 2009-08-07 16:55:59 +00:00
drh
6bef648d97 Cause sqlite3_exec() to return SQLITE_NOMEM if it cannot allocate memory to 
hold the error message for some other error. (CVS 6844)

FossilOrigin-Name: e9849292ab741f4c86203b2629dbe116f9b527c8
 2009-07-03 19:18:43 +00:00
drh
76aeb34f0f Minor changes to the sqlite3_exec() implementation in legacy.c 
to facility full coverage testing. (CVS 6608)

FossilOrigin-Name: 9e3016c1846174a64833394a00a09335e8446de8
 2009-05-05 20:02:47 +00:00
danielk1977
238746a650 Fix a couple of fairly obscure cases where an assert() could fail following a malloc failure. (CVS 6360) 
FossilOrigin-Name: cc0d925669ddeb55048e88aa5b4f658be60b0962
 2009-03-19 18:51:06 +00:00
danielk1977
78ca0e7eb4 When not compiling for an EBCDIC system, use built-in alternatives to the tolowe 
r(), toupper() and other ctype.h library functions. Ticket #3597. (CVS 6196)

FossilOrigin-Name: 1041abd6784d283bebf646c54e93599522f7889d
 2009-01-20 16:53:39 +00:00
drh
ea6788322e Never use strlen(). Use our own internal sqlite3Strlen30() which is 
guaranteed to never overflow an integer.  Additional explicit casts to
avoid nuisance warning messages. (CVS 6007)

FossilOrigin-Name: c872d554930ecf221ac2be5f886d5d67bb35288c
 2008-12-10 19:26:22 +00:00
drh
701bb3b4f0 Additional coverage testing. Fix a segfault following OOM in 
sqltie3_load_extension(). (CVS 5523)

FossilOrigin-Name: f1e44eb323f05495cbae25113aebcc50d16b40df
 2008-08-02 03:50:39 +00:00
drh
633e6d57d9 Implement the "lookaside" memory allocation cache. Use of this cache makes 
the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
 2008-07-28 19:34:53 +00:00
drh
e5ae5735c0 Continuing work on the new memory allocation subsystem. 
Added routines for temporary memory allocation.  Right the btree
balance mechanism to only do one temporary allocation at a time. (CVS 5220)

FossilOrigin-Name: 65fe7b62cfe7d11cd667681a64c96fe7b2fe5685
 2008-06-15 02:51:47 +00:00
drh
35c6190cbc Changes to the error handling policies of sqlite3_exec() to make them 
more consistent.  Changes to the documentation on the error handling
polices of sqlite3_exec() so that the documentation and code agree. (CVS 5148)

FossilOrigin-Name: a0376c7907db8e2993ce48e484001e981fbbb187
 2008-05-20 15:44:30 +00:00
drh
f50bebf0ec Improvements to API documentation. The sqlite3_exec() function now 
sets the result returned by sqlite3_errcode() when it receives an SQLITE_ABORT. (CVS 5144)

FossilOrigin-Name: f1df19ca17a09ab8d85a4a7eb04f3ce95a6722da
 2008-05-19 23:51:55 +00:00
drh
3b6f734b44 Defer allocating memory space to hold the array of column values and 
names in sqlite3_exec() until there is a need to use the array.  In
the common case where there is no callback, this avoids a malloc() call. (CVS 4905)

FossilOrigin-Name: d8686abcdf9e566571033f2f137142f742df9357
 2008-03-21 18:01:14 +00:00
danielk1977
a7a8e14bf2 Where possible, avoid freeing buffers allocated for vdbe memory cells in case they can be reused. (CVS 4783) 
FossilOrigin-Name: 990237e27e417aff3dbf05784b716c21f3761a3a
 2008-02-13 18:25:27 +00:00
danielk1977
a1644fd863 Modifications to the malloc failure tests to test transient and persistent failures. (CVS 4321) 
FossilOrigin-Name: e38ef81b85feb5bff2ad8448f3438ff0ab36571e
 2007-08-29 12:31:25 +00:00
drh
f3a65f7e44 The malloc.test script now passes all tests with no errors. (CVS 4271) 
FossilOrigin-Name: db818430e9ea4ef4a4af575784009d5acae785a3
 2007-08-22 20:18:21 +00:00
drh
29278e3dbb Remove unnecessary #includes of "os.h". New mutex implementations. (CVS 4255) 
FossilOrigin-Name: fbbd5bda544ffec4e1b43407b12e546235dc7873
 2007-08-21 10:44:15 +00:00
drh
174357527a Half-way through a major refactoring of the memory allocation. 
I have not even attempted to compile so I am certain there are
countless errors. (CVS 4231)

FossilOrigin-Name: deb7ecd65f7b83eaf0ba610eeef3b0ede61db1c3
 2007-08-16 04:30:38 +00:00
drh
5bb3eb9b9a Eliminate all uses of sprintf() and strcpy(). These were not being 
misused.  But getting rid of them removes a library dependency.  And
it avoids warnings from the OpenBSD compiler.  Ticket #2336. (CVS 3916)

FossilOrigin-Name: ba4845b32bdf38e623c4f7246e6e327715bbba4b
 2007-05-04 13:15:55 +00:00
drh
e0e11e2df6 Fix a bug in the sqlite3_changes() function reported on the mailing list. (CVS 3868) 
FossilOrigin-Name: 58ea768c3e9905bd9db137f1b31dd3dd6c6001d0
 2007-04-25 11:28:16 +00:00
drh
4ac285a1c2 Add support for extended result codes - additional result information 
carried in the higher bits of the integer return codes.  This must be
enabled using the sqlite3_extended_result_code() API.  Only a few extra
result codes are currently defined. (CVS 3422)

FossilOrigin-Name: ba579ddc4361fc6e8ea66f9385770d70dfe94751
 2006-09-15 07:28:50 +00:00
drh
28dd479c48 Publish APIs sqlite3_malloc() and sqlite3_realloc() that use the OS-layer 
memory allocator.  Convert sqlite3_free() and sqlite3_mprintf() to also
use the OS-layer memory allocator. (CVS 3298)

FossilOrigin-Name: 85a66a25e97471d3c459c8da6a96990b0537dc7d
 2006-06-26 21:35:44 +00:00
drh
43617e9ab9 Code changes resulting from Coverity analysis. 
http://scan.coverity.com/  Found 1 potential segfault in sqlite3_mprintf().
Also 2 failures to fclose() following a malloc() failure.  And lots of
cases where unnecessary conditionals could be removed from the code. (CVS 3126)

FossilOrigin-Name: e510e6dd9d6261f33b853af3b32d155b9d6b63b3
 2006-03-06 20:55:46 +00:00
drh
158ff67b50 Work around buggy malloc() implementations that cause problems on malloc(0). 
Ticket #1572. (CVS 2996)

FossilOrigin-Name: ada5490f12795a8d13d0f42077c463709c677846
 2006-01-23 13:14:55 +00:00
danielk1977
54f0198e47 Change sqlite3MallocClearFailed() calls to sqlite3ApiExit(), a better API. (CVS 2970) 
FossilOrigin-Name: e0b022e5b2bfd272b4e25cd7a7b472206a118bbe
 2006-01-18 15:25:17 +00:00
drh
6f7adc8a80 Automatically deallocate thread-specific data when it is no longer 
being used.  Ticket #1601.  Also implemented the suggestion of
ticket #1603. Memory management is now off by default at compile-time.
The sqlite3_enable_memory_management() API has been removed. (CVS 2919)

FossilOrigin-Name: 5d9c6aa964305c3f36741ff0058da5b5f3ce0d24
 2006-01-11 21:41:20 +00:00
danielk1977
e501b89ada Rename DbSchema to "Schema" and SqliteTsd to "ThreadData". (CVS 2893) 
FossilOrigin-Name: 82b81f69c78cb3f54634d9aea4f6a838474dc5e5
 2006-01-09 06:29:47 +00:00
danielk1977
7ddad969a4 Fix minor malloc() related problems and add sqlite3_soft_heap_limit() stubs. (CVS 2814) 
FossilOrigin-Name: 1637f3796015d1582ed8c6bc8bdf8c067b4bade9
 2005-12-12 06:53:03 +00:00
danielk1977
261919cc16 Some elements of the new malloc() failure handling. Not all cases work properly yet. Also, library is not threadsafe if malloc() fails right now. (CVS 2800) 
FossilOrigin-Name: e1606658f1b4530e3001db4779b5669c8d13c853
 2005-12-06 12:52:59 +00:00
drh
12057d54ef Fix more name collisions. Allow sqlite.h and sqlite3.h to both be included 
in the same C/C++ source file. (CVS 1942)

FossilOrigin-Name: 23e5bed1c5062f0f639751f89873bf1a277547bd
 2004-09-06 17:34:12 +00:00
drh
9bb575fd72 Fix a naming conflict between sqlite versions 2 and 3. An open sqlite3 
connection now *must* be called "sqlite3".  You cannot call it "sqlite".
This might break existing code. (CVS 1941)

FossilOrigin-Name: 3ddf5a9d1c480a2e3aa32685879063b11afddbe1
 2004-09-06 17:24:11 +00:00
drh
71c697ef4d Fix problems in the handling of malloc failures. (CVS 1882) 
FossilOrigin-Name: 81d91d14cf2352fc7981b361ac9af99b3cbbc9e8
 2004-08-08 23:39:19 +00:00
drh
4c755c0f53 Make sure the argument to ctype.h macros is always an unsigned character. 
Ticket #839. (CVS 1881)

FossilOrigin-Name: b065973898c06a81c69b70b3fa91c79334bd9b9a
 2004-08-08 20:22:17 +00:00
drh
4f26d6c429 Refactoring of the vdbe Mem functions and the APIs that deal with them. 
The code will not compile in its current state. (CVS 1465)

FossilOrigin-Name: bba6684d502ba1ecd9614d2470ec94296e3c07c2
 2004-05-26 23:25:30 +00:00
danielk1977
fc57d7bf72 Use the new API calls more consistently. (CVS 1459) 
FossilOrigin-Name: 17e7db488dac6b30d174f2272edf1046c2bb9990
 2004-05-26 02:04:57 +00:00
danielk1977
98d30677b0 Add file legacy.c with old APIs. (CVS 1456) 
FossilOrigin-Name: ae18fcb7ad91096f8029605b54d71ec225f31f32
 2004-05-26 00:01:35 +00:00