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Andrey Semashev 7403ffca00 Added support for POSIX semantics for file removal on Windows.

Windows 10 1709 and later support POSIX semantics for removing files,
which means the file name is removed from the filesystem namespace as
soon as the file is marked for deletion. This makes opening the file
afterwards impossible, and allows creating a new file with the same
name, even if the deleted file is still open and in use.

The implementation uses runtime detection of the feature in the OS.
We are also using two more implementations for file removal: one that
employs the more recent FILE_DISPOSITION_FLAG_IGNORE_READONLY_ATTRIBUTE
flag (available since Windows 10 1809), and FILE_DISPOSITION_INFO
structure (supported since Windows Vista). The former allows to optimize
removal of read-only files, and the latter allows to make file deletion
atomic (i.e. not prone to failure if the file is replaced on the filesystem
while the operation is executing). The implementation is chosen in
runtime, depending on which one succeeds removing a file.

Also, added support for deleting read-only directories, in addition
to non-directory files, and simplified code a little.

Closes https://github.com/boostorg/filesystem/issues/216.

2022-03-01 11:09:08 +03:00

.github/workflows

Enabled testing with GNU extensions in GitHub Actions.

2022-01-16 18:26:55 +03:00

bug

Reformatted code for more consistent look and better readability.

2021-04-24 22:37:57 +03:00

build

Added protection for CVE-2022-21658 in remove_all on POSIX systems.

2022-01-30 23:41:06 +03:00

cmake

Extracted Boost library include paths collection to a CMake module.

2022-02-04 14:41:47 +03:00

config

Added protection for CVE-2022-21658 in remove_all on POSIX systems.

2022-01-30 23:41:06 +03:00

doc

Added support for POSIX semantics for file removal on Windows.

2022-03-01 11:09:08 +03:00

example

Added BOOST_FILESYSTEM_VERSION 4 and moved breaking path changes to v4.

2021-06-13 03:20:30 +03:00

include/boost

Make path::replace_extension version-dependent.

2022-02-21 01:06:47 +03:00

README.md

Boost.Filesystem

Boost.Filesystem, part of collection of the Boost C++ Libraries, provides facilities to manipulate files and directories, and the paths that identify them.

Directories

doc - Documentation sources
include - Interface headers of Boost.Filesystem
src - Compilable source files of Boost.Filesystem
test - Boost.Filesystem unit tests
example - Boost.Filesystem usage examples

More information

Documentation
Report bugs. Be sure to mention Boost version, platform and compiler you're using. A small compilable code sample to reproduce the problem is always good as well.
Submit your patches as pull requests against develop branch. Note that by submitting patches you agree to license your modifications under the Boost Software License, Version 1.0.

Build status

Branch	GitHub Actions	AppVeyor	Test Matrix	Dependencies
`master`
`develop`

License

Distributed under the Boost Software License, Version 1.0.