This release assigns a default value to the internal program name
variable in case the program is invoked with argv[0] == NULL.
There was no security issue: the prevuous program version would have
been immediately terminated due to a NULL dereference.
(cherry picked from commit 00698711de)
Merge commit 2f57ecae4b
This is a new major release with a number of changes and extensions:
- Limited the number of temporary numbers and made the space for them
static so that allocating more space for them cannot fail.
- Allowed integers with non-zero scale to be used with power, places,
and shift operators.
- Added greatest common divisor and least common multiple to lib2.bc.
- Made bc and dc UTF-8 capable.
- Added the ability for users to have bc and dc quit on SIGINT.
- Added the ability for users to disable prompt and TTY mode by
environment variables.
- Added the ability for users to redefine keywords.
- Added dc's modular exponentiation and divmod to bc.
- Added the ability to assign strings to variables and array elements
and pass them to functions in bc.
- Added dc's asciify command and stream printing to bc.
- Added bitwise and, or, xor, left shift, right shift, reverse,
left rotate, right rotate, and mod functions to lib2.bc.
- Added the functions s2u(x) and s2un(x,n), to lib2.bc.
MFC after: 1 week
(cherry picked from commit 44d4804d19)
vendor/bc: update to upstream version 5.0.2
(cherry picked from commit a60ef1802a)
(cherry picked from commit 662087dfd0)
contrib/bc: remove files ommitted from the release
A number of files have been removed from the release distribution of
this bc implementation. They were mostly relevant for pre release
testing and benchmarking to identify regressions. The Markdown
sources of the man pages are only relevant for combinations of build
options not used in FreeBSD and need non-default conversion tools
(available as ports in FreeBSD).
All the omitted files can be found in the upstream git repository,
and they are fetched when building this software as a port. But they
have never been used in the FreeBSD base system.
(cherry picked from commit ea31d1a5c4)
Remove files that were checked in with wrong .gitattributes
These files will be added back in updated form, but are only relevant
for the Windows platform, anyway.
(cherry picked from commit d6c323eda2)
contrib/bc: merge version 5.1.0 from vendor branch
This version adds options and functions that allow to print numbers
in the open interval (-1 .. 1) with or without a leading 0 digit.
Additionally, an option has been added to prevent line wrap and
allows to print arbitrarily long results on a single line.
Merge commit '5d58a51571721190681c50d4bd3a1f45e6282d72'
(cherry picked from commit d43fa8ef53)
contrib/bc: update to version 5.1.1
Merge commit '6f49f5cdde1c62c4e5a743e895f3afe592b5c0e5'
(cherry picked from commit a30efc5ca7)
contrib/bc: temporarily disconnect the tests for 5.0.2
The tests that come with version 5.0.2 have been extended to cover the
line editing functions. It has been found that these tests generate
false negative results in FreeBSD, most likely due to an issue in the
pexpect functionality used.
These history tests are skipped on systems that do not have python and
py-pexpect installed (and thus are unlikely to cause CI test failures),
but in order to not cause irritating failures on systems were these
packages are in fact installed, I temporarily disconnect them.
I had planned to skip this version due to the issue with the history
tests, but some committer has asked me to go ahead since the currently
used version 5.0.0 contains a macro name that collides with a project
he is working on.
No MFC of this version is planned. A version 5.0.3 is expected to be
released soon, and that version will allow to reconnect the tests and
will be MFCed.
(cherry picked from commit f774652b0e)
Add back Windows only VCXProj files
(cherry picked from commit ded0d3d486)
contrib/bc: re-enable tests after the import of version 5.1.0
The tests have been fixed to not write any data outside of the
temporary work directory provided by the test framework.
MFC after: 3 days
(cherry picked from commit b8d895faf4)
Revert erroneous commit ded0d3d486
These files came from a prior commit to contrib/bc and seem to have
been placed in the top of the source tree by a failed git rebase.
Reported by: markj
(cherry picked from commit f902ca97bd)
Merge commit '2858419a0ee2b8f5827de72c00618bcd69ebc5fc'
This update fixes the initialization of "scale" to 20 if started with
-l and the initial statement leads to an error (e.g. contains a syntax
error). Scale was initialized to 0 in that case.
Another change is the support of job control in interactive mode with
line editing enabled. The control characters have been interpreted as
editing commands only, prior to this version.
(cherry picked from commit 8c39e25220)
This version fixes an issue (missing pop of top-of-stack value in the
"P" command of the dc program).
This issue did not affect the bc program, since it does not use dc as
an back-end to actually perform the calculations as was the case with
the traditional bc and dc programs.
The major number has been bumped due to Windows support that has been
added to this version. It does not correspond to a major change that
might affect FreeBSD.
(cherry picked from commit b55a927bc8)
This update changes the behavior of "-e" or "-f" in BC_ENV_ARGS:
Use of these options on the command line makes bc exit after executing
the given commands. These options will not cause bc to exit when
passed via the environment (but EOF in STDIN or -e or -f on the
command line will make bc exit as before).
The same applies to DC_ENV_ARGS with regard to the dc program.
(cherry picked from commit 9a995fe186)
(cherry picked from commit 47a52dc4d4)
Second attempt after revert of a previous commit that affected files
with similar names in unrelated directories.
Thanks go to Martin Birgmaier for reporting the issue and identifying
the cause of git getting confused: files from the root of the vendor
files were associated with files in the FreeBSD base root directory.
Martin Birgmaier points out that to make this cherry-pick succeed,
the option -Xsubtree=contrib/bc has to be passed to prevent files
outside that path to be considered.
This reverts commit 601ac82194.
Seems that git cherry-pick mis-merges files for this software.
It associates files in completely unrelated sub-trees with same name
files from this package, e.g. README.md and .gitignore.
My attempt to fix the mis-merge was incomplete and wrong.
Therefore I'm reverting the commit that as a result of my failed
attempt at conflict resolution lead to README.md and .gitignore
in the top source directory to be deleted.
This mistake has been carried over to releng/13.0, which now
also lacks README.md and .gitignore in /usr/src.
I'll try to re-apply the failed commit over the next hours and to get
the fix merged to releng/13.0 with re approval.
This version omits the printing of a copyright header in interactive mode
and the dc command now exits after execution of the commands passed via -e
or -f instead of switching to interactive mode. To pass further commands
via STDIN when dc has been invoked with -e or -f, add "-f -" to the
parameter list.
This version fixes a regression with regard to tradtional behavior of the
non-standard FreeBSD option "-e". In the previous version "-e quit" caused
bc to exit before any computations had been performed, since all -e option
parameters were concatenated and parsed as a whole, with quit causing the
program to exit as soon as it was parsed. This version parses and executes
commands passed with -e one by one and only exits after all prior commands
have been executed.
This commit is not a SVN merge, since the vendor import had been performed
after the import to contrib. Instead the contents of contrib/bc has been
removed and the new version is copied over unchanged from vendor/bc/dist.
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
