Attempt to clarify the operation of the xLock and xUnlock VFS I/O methods.
Assert() statements added to prove that they behave as the documentation says.

FossilOrigin-Name: 3efa811251d4510a074231a1e

Attempt to clarify the operation of the xLock and xUnlock VFS I/O methods.
Assert() statements added to prove that they behave as the documentation says.

FossilOrigin-Name: 3efa811251d4510a074231a1e0b667783cc5f90777466b9dcae675cd9892b423

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Add assert() statements to verify that the SQLITE_OPEN_EXCLUSIVE flag is always passed to the VFS when opening a temporary file.

FossilOrigin-Name: e123da49ccae61d591abded52f4721aa10f20d75935c9a3e3f

Add assert() statements to verify that the SQLITE_OPEN_EXCLUSIVE flag is always passed to the VFS when opening a temporary file.

FossilOrigin-Name: e123da49ccae61d591abded52f4721aa10f20d75935c9a3e3fe826a9b8df2317

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Minor changes to make it easier for static analyzers to reason about the code.

FossilOrigin-Name: ba4104aa02625b51113978c1bb540b75bd88cb1959c7e9bfb4113db4159df5d4

Fix harmless compiler warnings

FossilOrigin-Name: bdb9dc8a025b509960d08cdf0ff784dd075c156860548d7908de7d97e030701c

Avoid bugs in some implementations of dlopen() by avoiding calls to
dlopen() with a filename argument that exceeds FILENAME_MAX bytes.
[forum:/forumpost/08a0d6d9bf|Forum post 08a0d6d9bf].

FossilOrig

Avoid bugs in some implementations of dlopen() by avoiding calls to
dlopen() with a filename argument that exceeds FILENAME_MAX bytes.
[forum:/forumpost/08a0d6d9bf|Forum post 08a0d6d9bf].

FossilOrigin-Name: 01f3877c7172d52225705d2461addc6129fe9cdb04e6f643518fc74bb4b526e4

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Further improvements (subsequent to [d91450847a3a3a72]) to handling of attempts
to delete a journal using the memdb VFS.
dbsqlfuzz ac61dab357279a6a531de067f040e9a4828d2df0.

FossilOrigin-Name: a08394

Further improvements (subsequent to [d91450847a3a3a72]) to handling of attempts
to delete a journal using the memdb VFS.
dbsqlfuzz ac61dab357279a6a531de067f040e9a4828d2df0.

FossilOrigin-Name: a0839406426a0d8ec52cc3116ea7d8b582344b44f3f8c9365bbf5187370c3386

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Do not simulate OOM faults on the SQLITE_FCNTL_CKPT_START and
SQLITE_FCNTL_CKPT_DONE file-controls, as those are write-only and
the return value is always ignored.

FossilOrigin-Name: 62a2d394835276f

Do not simulate OOM faults on the SQLITE_FCNTL_CKPT_START and
SQLITE_FCNTL_CKPT_DONE file-controls, as those are write-only and
the return value is always ignored.

FossilOrigin-Name: 62a2d394835276fabc0f1df2302605a700b2244775bf2e35e86529df8e40a0da

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Refactoring various names. No changes in the resulting machine code.

FossilOrigin-Name: 7bb08b1bfcf184e4b59c8c9028926a0052612ff6a6731914ccdb8dee07ea4a98

Revise the SQLITE_OPEN_NOFOLLOW so that it actually uses O_NOFOLLOW in the
open() system call. This backs out the SQLITE_ACCESS_SYMLINK value but adds
the new SQLITE_OK_SYMLINK return code from the

Revise the SQLITE_OPEN_NOFOLLOW so that it actually uses O_NOFOLLOW in the
open() system call. This backs out the SQLITE_ACCESS_SYMLINK value but adds
the new SQLITE_OK_SYMLINK return code from the xFullPathname method of
sqlite3_vfs when that routine resolves symbolic links. O_NOFOLLOW is always
included in open() system calls for journal files.

FossilOrigin-Name: 6a64fb6a2da6c98f1e87b55ad5689967e1db4eae2e08345471d95e28cd567e0f

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Fix harmless compiler warnings.

FossilOrigin-Name: 1eef4ddea9a2a8c97b97183402c774caa40ef906ea9cccade307381b29a9785d

Give the SQLITE_TESTCTRL_PRNG_SEED two arguments. The second argument if not
NULL is a pointer to a database connection which seeds the connection from
its schema cookie. In this way, fuzzers can c

Give the SQLITE_TESTCTRL_PRNG_SEED two arguments. The second argument if not
NULL is a pointer to a database connection which seeds the connection from
its schema cookie. In this way, fuzzers can control the PRNG seed.

FossilOrigin-Name: 49aa34480622cce4d7a72c59d9cfa8336886387acec8ee15b72f295ea1a52d8c

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Add the SQLITE_TESTCTRL_PRNG_SEED test control.

FossilOrigin-Name: 3ac5723164ae801e209ce525a5d94692767136f9d06be2a84883dcea677d02da

Unless SQLITE_OMIT_AUTOINIT is defined, allow sqlite3_vfs_unregister() to be called before sqlite3_initialize().

FossilOrigin-Name: ab6c1ae46d992f91ce0995274f48d545eb02ba92544aee89b188f2fc92b66f2a

When testing, avoid injecting an OOM fault into a file-control call made by
SQLite on an unopened file-descriptor.

FossilOrigin-Name: 9c1a5eba3ec37c877af4b83c6f8c05b7140304f3d23e49832ba63e321247fc8d

Modify the sqlite3OsFileControl() interface to detect unopened sqlite3_file
objects and return SQLITE_NOTFOUND.

FossilOrigin-Name: 1fc72b707d4f4df049c19b023ae3f70cb45d6a6768bb68efc519cfdcd2d2ecda

Do not inject OOM errors on SQLITE_FCNTL_LOCK_TIMEOUT calls as an OOM is
not possible in that context.

FossilOrigin-Name: 5474e560eeb0269964b70bcd876bb86b4197c4fb164bc13454fb8204f083062c

Fix compiler warnings that come up with SQLITE_OMIT_WAL.

FossilOrigin-Name: 8ca0fa8dfe6a66aea7fc63f15e6f704cb190aa0760a3fec2db5f6bad3861a135

Update the mechanism used to keep track of what kind of syncing to do for
WAL transaction commits and checkpoint operations. Use the checkpoint-style
of syncing to sync the header of a new or restar

Update the mechanism used to keep track of what kind of syncing to do for
WAL transaction commits and checkpoint operations. Use the checkpoint-style
of syncing to sync the header of a new or restarted WAL file.

FossilOrigin-Name: bf65dae8d4297c57ac63228ccf0100f9fabf2fb600438c9f2e10a29c4b118168

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Fix various internal #defines to conform to new C-language naming restrictions,
specifically that private-use macros names must not begin with "_".

FossilOrigin-Name: 5471aca0158851d3fb0a25173069175

Fix various internal #defines to conform to new C-language naming restrictions,
specifically that private-use macros names must not begin with "_".

FossilOrigin-Name: 5471aca0158851d3fb0a2517306917536deb38bb

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Since the return value of sqlite3OsClose() is always ignored, we might as
well make it "void" instead of "int", and thereby save 50 bytes in the
compiled binary.

FossilOrigin-Name: 7ee570e7a9a2159a8

Since the return value of sqlite3OsClose() is always ignored, we might as
well make it "void" instead of "int", and thereby save 50 bytes in the
compiled binary.

FossilOrigin-Name: 7ee570e7a9a2159a8c0d41805c00f91ca0de00e3

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Experimental implementation of the sqlite3_system_errno() interface.

FossilOrigin-Name: 6782c87b3722fbd09684a5b1e5df05247956f1c6

Extend the code in memjournal.c so that it subsumes the role of journal.c. And (untested) can flush journal or statement journal files to disk after they grow to a specified size.

FossilOrigin-Name:

Extend the code in memjournal.c so that it subsumes the role of journal.c. And (untested) can flush journal or statement journal files to disk after they grow to a specified size.

FossilOrigin-Name: e0b0b4316531fc8afa74b4882d9c74a91030ec69

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Enhance ability to debug out-of-memory errors.

FossilOrigin-Name: 6a9c4a3ebfb7cc0738ef6634440ccab44a21ff28

Enhance the MSVC makefile to enable building 'testfixture' fully from source code.

FossilOrigin-Name: 54ff3a26bc45a1c3c0690119e8fd00b02e2a16ba

Add the SQLITE_ENABLE_API_ARMOR compile-time option. This is a work in
progress and is not yet completely functional.

FossilOrigin-Name: c297a84bc678f81ffc0aa9139ab73f0ca87c1971