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author | Stefan Eßer <se@FreeBSD.org> | 2020-06-27 12:02:01 +0000 |
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committer | Stefan Eßer <se@FreeBSD.org> | 2020-06-27 12:02:01 +0000 |
commit | 252884ae7e4760f0e3cb45fdc2fff8fb952251ae (patch) | |
tree | facf5088b89def46e37c0c2a9a25df07f44c3152 /share/man/man9/bpf.9 | |
parent | 136bdd990bfb441ad3ea7a7bc1092dd95cfa5f53 (diff) | |
download | src-252884ae7e4760f0e3cb45fdc2fff8fb952251ae.tar.gz src-252884ae7e4760f0e3cb45fdc2fff8fb952251ae.zip |
Import new 2-clause BSD licenced implementation of the bc and dc commands
These implementations of the bc and dc programs offer a number of advantages
compared to the current implementations in the FreeBSD base system:
- They do not depend on external large number functions (i.e. no dependency
on OpenSSL or any other large number library)
- They implements all features found in GNU bc/dc (with the exception of
the forking of sub-processes, which the author of this version considers
as a security issue).
- They are significantly faster than the current code in base (more than
2 orders of magnitude in some of my tests, e.g. for 12345^100000).
- They should be fully compatible with all features and the behavior of the
current implementations in FreeBSD (not formally verified).
- They support POSIX message catalogs and come with localized messages in
Chinese, Dutch, English, French, German, Japanese, Polish, Portugueze,
and Russian.
- They offer very detailed man-pages that provide far more information than
the current ones.
The upstream sources contain a large number of tests, which are not
imported with this commit. They could be integrated into our test
framework at a latter time.
Installation of this version is controlled by the option "MK_GH_BC=yes".
This option will be set to yes by default in 13-CURRENT, but will be off
by default in 12-STABLE.
Approved by: imp
Obtained from: https://git.yzena.com/gavin/bc
MFC after: 4 weeks
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D19982
Notes
Notes:
svn path=/head/; revision=362681
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