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Code
The systemd System and Service Manager
48,476 Commits 4 Branches 400 Tags 552 MiB
C 89.2%
Python 5.3%
Shell 4.1%
Meson 1.2%
ae45e1a383
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Yu Watanabe ae45e1a383 resolve: slightly optimize dns_answer_add() 
Previously, dns_answer_add() was O(n^2).
With this change dns_packet_extract() becomes ~15 times faster for some
extremal case.

Before:
```
$ time ./fuzz-dns-packet ~/downloads/clusterfuzz-testcase-minimized-fuzz-dns-packet-5631106733047808
/home/watanabe/downloads/clusterfuzz-testcase-minimized-fuzz-dns-packet-5631106733047808... ok

real    0m15.453s
user    0m15.430s
sys     0m0.007s
```

After:
```
$ time ./fuzz-dns-packet ~/downloads/clusterfuzz-testcase-minimized-fuzz-dns-packet-5631106733047808
/home/watanabe/downloads/clusterfuzz-testcase-minimized-fuzz-dns-packet-5631106733047808... ok

real    0m0.831s
user    0m0.824s
sys     0m0.006s
```

Hopefully fixes oss-fuzz#19227.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19227
2020-12-30 04:14:22 +09:00
.github github: add the missing tpm2 optional dependency 2020-12-20 22:27:36 +01:00
.lgtm/cpp-queries lgtm: complain about accept() [people should use accept4() instead, due to O_CLOEXEC] 2019-04-10 20:03:38 +02:00
.mkosi mkosi: Add basic editors to final images 2020-12-19 22:04:31 +00:00
catalog license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
coccinelle coccinelle: ignore specific cases to use SYNTHETIC_ERRNO() macro 2020-11-27 14:35:20 +09:00
docs tree-wide: suggest meson command lines instead of ninja ones 2020-12-17 16:51:48 +01:00
factory/etc man: move 'files' module in NSS 'hosts:' line before myhostname 2020-08-17 18:55:59 +02:00
hwdb.d Merge pull request #15531 from felipeborges/add-device-model-field-to-hostnamed 2020-12-18 14:26:32 +01:00
man man: apply @Minoru's suggestions from code review 2020-12-28 10:53:20 +01:00
modprobe.d license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
network meson: add option to skip installing to $sysconfdir 2020-11-12 11:21:46 +01:00
po Translated using Weblate (Swedish) 2020-12-16 17:27:22 +01:00
presets license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
rules.d Merge pull request #15531 from felipeborges/add-device-model-field-to-hostnamed 2020-12-18 14:26:32 +01:00
semaphoreci Revert "semaphore: temporarily disable the timedated test suite" 2020-12-04 18:47:12 +01:00
shell-completion coredumpctl: Add --debugger-args= option 2020-12-16 12:42:53 +09:00
src resolve: slightly optimize dns_answer_add() 2020-12-30 04:14:22 +09:00
sysctl.d meson: add option to skip installing to $sysconfdir 2020-11-12 11:21:46 +01:00
sysusers.d license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
test resolve: slightly optimize dns_answer_add() 2020-12-30 04:14:22 +09:00
tmpfiles.d meson: add option to skip installing to $sysconfdir 2020-11-12 11:21:46 +01:00
tools meson: Respect MESON_INSTALL_QUIET 2020-12-06 22:11:11 +00:00
travis-ci travis: add missing optional build dependencies 2020-12-20 22:21:35 +01:00
units units: don't pull in time-sync.target from systemd-timesyncd.service 2020-12-17 20:19:44 +01:00
xorg scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.clang-format clang-format: set SpaceBeforeParens to ControlStatementsExceptForEachMacros 2020-11-16 16:57:51 +09:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig editorconfig: add man configuration 2020-05-26 15:37:05 +02:00
.gitattributes udev: Extract RAM properties from DMI information 2020-12-16 18:32:29 +01:00
.gitignore mkosi: Keep mkosi.default out of the repository. 2020-07-16 21:44:02 +01:00
.lgtm.yml lgtm: drop the TMPDIR/meson workaround 2020-03-03 20:27:42 +01:00
.mailmap NEWS: update contributors list for v246-pre 2020-07-23 17:30:54 +02:00
.travis.yml coverity: switch back to Fedora 31 2020-07-12 22:00:16 +00:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
azure-pipelines.yml Free up some resources on Azure Pipelines 2019-07-17 13:28:38 +09:00
configure treewide: more portable bash shebangs 2020-03-05 17:27:07 +01:00
LICENSE.GPL2 relicense to LGPLv2.1 (with exceptions) 2012-04-12 00:24:39 +02:00
LICENSE.LGPL2.1 licence: remove references to old FSF address 2012-12-17 11:41:31 +01:00
Makefile build-sys: Fix Makefile wrapper for install target (#6548) 2017-08-07 11:29:20 +02:00
meson_options.txt cryptenroll: add support for TPM2 enrolling 2020-12-17 20:01:31 +01:00
meson.build cryptsetup: add support for TPM2 unlocking of volumes 2020-12-17 20:02:03 +01:00
mkosi.build mkosi: Use --only-changed meson option when installing 2020-12-19 16:16:07 +00:00
NEWS tree-wide: fix typo 2020-12-14 12:05:55 +00:00
README tree-wide: suggest meson command lines instead of ninja ones 2020-12-17 16:51:48 +01:00
README.md README.md: update CentOS CI badges 2020-10-06 13:59:52 +02:00
TODO update TODO 2020-12-17 20:03:04 +01:00
zanata.xml po: add basic fedora.zanata.org configuration 2018-02-19 13:56:57 +01:00

README.md

Systemd

System and Service Manager

Count of open issues over time Count of open pull requests over time Semaphore CI Build Status
Coverity Scan Status
OSS-Fuzz Status
CIFuzz
CII Best Practices
Travis CI Build Status
Language Grade: C/C++
CentOS CI - CentOS 7
CentOS CI - Arch
CentOS CI - Arch (sanitizers)
Build Status
Fossies codespell report
Packaging status

Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.