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Lennart Poettering 1d84ad9445 util-lib: various improvements to kernel command line parsing 
This improves kernel command line parsing in a number of ways:

a) An kernel option "foo_bar=xyz" is now considered equivalent to
   "foo-bar-xyz", i.e. when comparing kernel command line option names "-" and
   "_" are now considered equivalent (this only applies to the option names
   though, not the option values!). Most of our kernel options used "-" as word
   separator in kernel command line options so far, but some used "_". With
   this change, which was a source of confusion for users (well, at least of
   one user: myself, I just couldn't remember that it's systemd.debug-shell,
   not systemd.debug_shell). Considering both as equivalent is inspired how
   modern kernel module loading normalizes all kernel module names to use
   underscores now too.

b) All options previously using a dash for separating words in kernel command
   line options now use an underscore instead, in all documentation and in
   code. Since a) has been implemented this should not create any compatibility
   problems, but normalizes our documentation and our code.

c) All kernel command line options which take booleans (or are boolean-like)
   have been reworked so that "foobar" (without argument) is now equivalent to
   "foobar=1" (but not "foobar=0"), thus normalizing the handling of our
   boolean arguments. Specifically this means systemd.debug-shell and
   systemd_debug_shell=1 are now entirely equivalent.

d) All kernel command line options which take an argument, and where no
   argument is specified will now result in a log message. e.g. passing just
   "systemd.unit" will no result in a complain that it needs an argument. This
   is implemented in the proc_cmdline_missing_value() function.

e) There's now a call proc_cmdline_get_bool() similar to proc_cmdline_get_key()
   that parses booleans (following the logic explained in c).

f) The proc_cmdline_parse() call's boolean argument has been replaced by a new
   flags argument that takes a common set of bits with proc_cmdline_get_key().

g) All kernel command line APIs now begin with the same "proc_cmdline_" prefix.

h) There are now tests for much of this. Yay!
2016-12-21 19:09:08 +01:00
..
.gitignore test: generate tests for OrderedHashmap from Hashmap tests 2014-10-23 17:38:02 +02:00
Makefile
test-acl-util.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-af-list.c util-lib: split our string related calls from util.[ch] into its own file string-util.[ch] 2015-10-24 23:05:02 +02:00
test-alloc-util.c tests: move alloc related tests to test-alloc-util.c 2016-03-03 18:46:58 +01:00
test-architecture.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-arphrd-list.c util-lib: split our string related calls from util.[ch] into its own file string-util.[ch] 2015-10-24 23:05:02 +02:00
test-ask-password-api.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-async.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-barrier.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-bitmap.c bitmap: make bitmap_clear free the bitmap array 2015-07-31 19:08:26 +02:00
test-boot-timestamps.c shared/acpi-fpdt: use ENODATA for missing data and skip test 2016-03-04 21:45:45 -05:00
test-btrfs.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-calendarspec.c calendarspec: allow repetition values with ranges 2016-12-16 19:27:33 -05:00
test-cap-list.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-capability.c tests: test ambient capabilities. 2016-01-12 12:14:50 +02:00
test-cgroup-mask.c Merge pull request #3290 from htejun/cgroup2-io-compat 2016-05-20 18:53:11 +02:00
test-cgroup-util.c Rename formats-util.h to format-util.h 2016-11-07 10:15:08 -05:00
test-cgroup.c core: when forcibly killing/aborting left-over unit processes log about it 2016-07-20 14:35:15 +02:00
test-clock.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-condition.c shared/condition: add ConditionVirtualization=[!]private-users 2016-10-26 20:12:52 -04:00
test-conf-files.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-conf-parser.c tests: move conf-parser related tests to test-conf-parser.c 2016-03-03 19:04:06 +01:00
test-copy.c tree-wide: stop using canonicalize_file_name(), use chase_symlinks() instead 2016-12-01 00:25:51 +01:00
test-cpu-set-util.c tests: move cpu-set-util related tests to test-cpu-set-util.c 2016-03-03 18:46:58 +01:00
test-daemon.c Enable test-daemon, test-log, test-watchdog by default 2016-03-04 21:45:45 -05:00
test-date.c tree-wide: drop NULL sentinel from strjoin 2016-10-23 11:43:27 -04:00
test-device-nodes.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-dissect-image.c dissect: optionally, only look for GPT partition tables, nothing else 2016-12-20 20:00:09 +01:00
test-dns-domain.c shared: add new API to validate a string as hostname or IP address 2016-11-21 22:58:26 +01:00
test-ellipsize.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-engine.c tests: get rid of strerror 2016-09-13 20:10:57 -04:00
test-env-util.c test-env-util: test env_{value,assignment}_is_valid 2016-03-21 16:49:42 -04:00
test-escape.c tests: move escape related tests to test-escape.c 2016-03-03 18:46:58 +01:00
test-execute.c tests: let's make function tables static/const 2016-12-07 18:47:32 +01:00
test-extract-word.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-fd-util.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-fdset.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-fileio.c tree-wide: drop NULL sentinel from strjoin 2016-10-23 11:43:27 -04:00
test-firewall-util.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-fs-util.c test-fs-util: fix memleak 2016-12-14 00:31:53 +00:00
test-fstab-util.c tests: move fstab-util related tests to test-fstab-util.c 2016-03-03 19:04:06 +01:00
test-glob-util.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-hash.c core: add "khash" API to src/basic/ (as wrapper around kernel AF_ALG) 2016-11-29 15:13:00 +01:00
test-hashmap-plain.c test-hashmap: fix undefined behaviour on string constants 2016-02-18 19:39:10 -05:00
test-hashmap.c tree-wide: sort includes 2015-11-16 22:09:36 +01:00
test-helper.h tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-hexdecoct.c tests: move hexdecoct tests to test-hexdecoct.c 2016-03-03 18:46:58 +01:00
test-hostname-util.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-hostname.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-id128.c core: store the invocation ID in the per-service keyring 2016-12-13 20:59:36 +01:00
test-install-root.c Use SPECIAL_DEFAULT_TARGET consistently 2016-12-17 17:26:59 -05:00
test-install.c install: introduce UnitFileFlags 2016-10-24 10:19:08 +02:00
test-io-util.c tests: move io-util related tests to test-io-util 2016-03-03 19:04:06 +01:00
test-ipcrm.c test-ipcrm: skip test if nfsnobody is missing 2016-11-17 20:57:22 -05:00
test-job-type.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-libudev.c test-libudev: disable monitor mode by default and add to automatic tests 2016-03-04 21:45:45 -05:00
test-list.c list: LIST_INSERT_BEFORE: update head if necessary (#4261) 2016-10-04 16:15:37 +02:00
test-locale-util.c tree-wide: sort includes 2015-11-16 22:09:36 +01:00
test-log.c Rename formats-util.h to format-util.h 2016-11-07 10:15:08 -05:00
test-loopback.c Move test-loopback to normal tests 2016-03-04 21:45:44 -05:00
test-mount-util.c Modify mount_propagation_flags_from_string to return a normal int code 2016-12-17 13:57:04 -05:00
test-namespace.c tree-wide: drop NULL sentinel from strjoin 2016-10-23 11:43:27 -04:00
test-netlink-manual.c tree-wide: minor formatting inconsistency cleanups 2016-02-23 14:20:34 -08:00
test-ns.c core: add ability to define arbitrary bind mounts for services 2016-12-14 00:54:10 +01:00
test-nss.c test-nss: allow the module and names/addresses to be specified (#4258) 2016-11-11 13:39:20 +01:00
test-parse-util.c util-lib: unify parsing of nice level values 2016-08-05 11:18:32 +02:00
test-path-lookup.c systemctl: don't confuse sysv code with generated units 2016-04-12 13:43:32 +02:00
test-path-util.c tree-wide: stop using canonicalize_file_name(), use chase_symlinks() instead 2016-12-01 00:25:51 +01:00
test-path.c tree-wide: drop NULL sentinel from strjoin 2016-10-23 11:43:27 -04:00
test-prioq.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-proc-cmdline.c util-lib: various improvements to kernel command line parsing 2016-12-21 19:09:08 +01:00
test-process-util.c util-lib: rework rename_process() to be able to make use of PR_SET_MM_ARG_START 2016-12-14 18:29:30 +01:00
test-ratelimit.c tree-wide: sort includes 2015-11-16 22:09:36 +01:00
test-replace-var.c tree-wide: drop NULL sentinel from strjoin 2016-10-23 11:43:27 -04:00
test-rlimit-util.c core: make parsing of RLIMIT_NICE aware of actual nice levels 2016-04-29 16:27:49 +02:00
test-sched-prio.c tests: get rid of strerror 2016-09-13 20:10:57 -04:00
test-seccomp.c core: add new RestrictNamespaces= unit file setting 2016-11-04 07:40:13 -06:00
test-selinux.c test-selinux: use yes_no() and strnull() 2016-03-04 21:45:58 -05:00
test-set.c core: set_put never returns -EEXIST 2015-04-10 17:13:15 +02:00
test-sigbus.c test: test-sigbus must be skipped when -fsanitize=address is used 2016-08-06 02:14:51 +00:00
test-signal-util.c tests: move signal-util related tests to test-signal-util.c 2016-03-03 18:46:58 +01:00
test-siphash24.c test-siphash24: add a test for concatenating very short buffers 2016-02-20 16:34:59 -05:00
test-sizeof.c test-sizeof: add a helper which prints variable sizes and signedness 2016-03-02 10:42:27 -05:00
test-sleep.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-socket-util.c tree-wide: htonl() is weird, let's use htobe32() instead (#3538) 2016-06-15 01:26:01 +02:00
test-stat-util.c util-lib: beef path_is_os_tree() up a bit 2016-12-20 20:00:08 +01:00
test-strbuf.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-string-util.c Drop FOREACH_WORD_QUOTED 2016-11-05 18:54:27 -04:00
test-strip-tab-ansi.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-strv.c strv: fix STRV_FOREACH_BACKWARDS() to be a single statement only 2016-10-07 20:14:38 +02:00
test-strxcpyx.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-tables.c Merge pull request #4442 from keszybz/detect-virt-userns 2016-10-27 13:16:16 +03:00
test-terminal-util.c fileio: simplify mkostemp_safe() (#4090) 2016-09-13 08:20:38 +02:00
test-time.c time-util: accept "µs" as time unit, in addition to "us" (#4836) 2016-12-06 10:51:26 +01:00
test-tmpfiles.c Rename formats-util.h to format-util.h 2016-11-07 10:15:08 -05:00
test-udev.c tests: port udev-test to log_*_errno (#3015) 2016-04-11 21:31:57 +02:00
test-uid-range.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-unaligned.c util-lib: add accessors for unaligned native endian words 2016-06-06 19:59:09 +02:00
test-unit-file.c tests: make sure tests pass when invoked in "sudo" 2016-11-02 08:55:24 -06:00
test-unit-name.c core: remove ManagerRunningAs enum 2016-04-12 13:43:30 +02:00
test-user-util.c sysusers: move various user credential validity checks to src/basic/ 2016-07-22 15:53:45 +02:00
test-utf8.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-util.c core: support percentage specifications on TasksMax= 2016-07-22 15:33:12 +02:00
test-verbs.c test-verbs: add unit tests for verbs minilib 2015-01-08 15:57:38 -05:00
test-watchdog.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00
test-web-util.c tests: move web-util related tests to test-web-util.c 2016-03-03 18:46:58 +01:00
test-xattr-util.c tests: move xattr-util related tests to test-xattr-util.c 2016-03-03 19:04:07 +01:00
test-xml.c tree-wide: remove Emacs lines from all files 2016-02-10 13:41:57 +01:00