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* string-util: add new strdupcspn()/strdupspn()Lennart Poettering2023-01-201-3/+1
| | | | | | | | These combine strndup() + strspn()/strcspn() into one. There are a bunch of strndupa() calls that could use similar treatment (or should be converted to strdup[c]spn(), but this commit doesn't bother with that.
* binfmt: check if binfmt is mounted before applying rulesYu Watanabe2022-12-151-2/+22
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* Rename def.h to constants.hZbigniew Jędrzejewski-Szmek2022-11-081-1/+1
| | | | | | The name "def.h" originates from before the rule of "no needless abbreviations" was established. Let's rename the file to clarify that it contains a collection of various semi-related constants.
* basic: move version() to build.h+cZbigniew Jędrzejewski-Szmek2022-11-081-0/+1
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* tree-wide: allow ASCII fallback for … in logsDavid Tardon2022-06-281-1/+1
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* strv: make iterator in STRV_FOREACH() declaread in the loopYu Watanabe2022-03-191-1/+0
| | | | This also avoids multiple evaluations in STRV_FOREACH_BACKWARDS()
* binfmt: add logging informationZbigniew Jędrzejewski-Szmek2021-11-121-35/+44
| | | | | | | | | | | | | | | | | In delete_rule(), we already checked that the rule name is a valid file name (i.e. no slashes), so we can just trivially append. Also, let's always reject rules that we would later fail to delete. It's probably better to avoid such confusion. And print the operations we do with file name and line number. I hope this helps with cases like https://github.com/systemd/systemd/pull/21178. At least we'll know what rule failed. $ sudo SYSTEMD_LOG_LEVEL=debug build/systemd-binfmt Flushed all binfmt_misc rules. Applying /etc/binfmt.d/kshcomp.conf… /etc/binfmt.d/kshcomp.conf:1: binary format 'kshcomp' registered.
* binfmt: unparenthesize a bitZbigniew Jędrzejewski-Szmek2021-11-101-5/+3
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* binfmt: fix exit valueZbigniew Jędrzejewski-Szmek2021-11-101-1/+1
| | | | | Positive values are mapped to 0 by DEFINE_MAIN_FUNCTION(), so e.g. systemd-binfmt --foobar would "succeed".
* Make pager_open() return voidZbigniew Jędrzejewski-Szmek2021-11-031-1/+1
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* Drop the text argument from assert_not_reached()Zbigniew Jędrzejewski-Szmek2021-08-031-1/+1
| | | | | | | | | | | | | | | | | In general we almost never hit those asserts in production code, so users see them very rarely, if ever. But either way, we just need something that users can pass to the developers. We have quite a few of those asserts, and some have fairly nice messages, but many are like "WTF?" or "???" or "unexpected something". The error that is printed includes the file location, and function name. In almost all functions there's at most one assert, so the function name alone is enough to identify the failure for a developer. So we don't get much extra from the message, and we might just as well drop them. Dropping them makes our code a tiny bit smaller, and most importantly, improves development experience by making it easy to insert such an assert in the code without thinking how to phrase the argument.
* fileio: optionally, return discovered path of file in search_and_fopen()Lennart Poettering2021-05-071-3/+4
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* tree-wide: enable colorized logging for daemons when run in consoleYu Watanabe2021-02-011-1/+1
| | | | It may be useful when debugging daemons.
* tree-wide: Drop custom formatting for print() help messagesDaan De Meyer2021-01-311-4/+3
| | | | | | | | | | | | I think this formatting was originally used because it simplified adding new options to the help messages. However, these days, most tools their help message end with "\nSee the %s for details.\n" so the final line almost never has to be edited which eliminates the benefit of the custom formatting used for printf() help messages. Let's make things more consistent and use the same formatting for printf() help messages that we use everywhere else. Prompted by https://github.com/systemd/systemd/pull/18355#discussion_r567241580
* license: LGPL-2.1+ -> LGPL-2.1-or-laterYu Watanabe2020-11-091-1/+1
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* binfmt: also unregister binfmt entries from unitLennart Poettering2020-04-231-2/+14
| | | | | | | | | | | | | | | | | | | | We unregister binfmt_misc twice during shutdown with this change: 1. A previous commit added support for doing that in the final shutdown phase, i.e. when we do the aggressive umount loop. This is the robust thing to do, in case the earlier ("clean") shutdown phase didn't work for some reason. 2. This commit adds support for doing that when systemd-binfmt.service is stopped. This is a good idea so that people can order mounts before the service if they want to register binaries from such mounts, as in that case we'll undo the registration on shutdown again, before unmounting those mounts. And all that, just because of that weird "F" flag the kernel introduced that can pin files... Fixes: #14981
* binfmt: modernize code a bitLennart Poettering2020-04-231-7/+6
| | | | | | Let's just copy out the bit of the string we need, and let's make sure we refuse rules called "status" and "register", since those are special files in binfmt_misc's file system.
* tree-wide: drop string.h when string-util.h or friends are includedYu Watanabe2019-11-041-1/+0
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* tree-wide: get rid of strappend()Lennart Poettering2019-07-121-1/+1
| | | | | It's a special case of strjoin(), so no need to keep both. In particular as typing strjoin() is even shoert than strappend().
* tree-wide: voidify a few callsLennart Poettering2019-05-081-1/+1
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* headers: remove unneeded includes from util.hZbigniew Jędrzejewski-Szmek2019-03-271-1/+2
| | | | | This means we need to include many more headers in various files that simply included util.h before, but it seems cleaner to do it this way.
* coccinelle: make use of SYNTHETIC_ERRNOZbigniew Jędrzejewski-Szmek2018-11-221-8/+6
| | | | | | | | | | | Ideally, coccinelle would strip unnecessary braces too. But I do not see any option in coccinelle for this, so instead, I edited the patch text using search&replace to remove the braces. Unfortunately this is not fully automatic, in particular it didn't deal well with if-else-if-else blocks and ifdefs, so there is an increased likelikehood be some bugs in such spots. I also removed part of the patch that coccinelle generated for udev, where we returns -1 for failure. This should be fixed independently.
* Split out pretty-print.c and move pager.c and main-func.h to shared/Zbigniew Jędrzejewski-Szmek2018-11-201-1/+1
| | | | | This is high-level functionality, and fits better in shared/ (which is for our executables), than in basic/ (which is also for libraries).
* binfmt: define main through macroZbigniew Jędrzejewski-Szmek2018-11-201-12/+8
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* log: introduce new helper call log_setup_service()Lennart Poettering2018-11-201-3/+1
| | | | | Let's reduce the common boilerplate and have a single setup function used by all service code to setup logging.
* basic/pager: convert the pager options to a flags argumentZbigniew Jędrzejewski-Szmek2018-11-141-3/+3
| | | | | Pretty much everything uses just the first argument, and this doesn't make this common pattern more complicated, but makes it simpler to pass multiple options.
* tree-wide: set WRITE_STRING_FILE_DISABLE_BUFFER flag when we write files ↵Yu Watanabe2018-11-061-3/+3
| | | | under /proc or /sys
* binfmt: fgets() excorcismLennart Poettering2018-10-181-11/+11
| | | | Also, let's not claim we ignored errors when we don't.
* binfmt: validate rule file name before using itLennart Poettering2018-10-181-1/+8
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* tree-wide: add clickable man page link to all --help textsLennart Poettering2018-08-201-5/+16
| | | | | | | | | | This is a bit like the info link in most of GNU's --help texts, but we don't do info but man pages, and we make them properly clickable on terminal supporting that, because awesome. I think it's generally advisable to link up our (brief) --help texts and our (more comprehensive) man pages a bit, so this should be an easy and straight-forward way to do it.
* tree-wide: remove Lennart's copyright linesLennart Poettering2018-06-141-3/+0
| | | | | | | | | | | These lines are generally out-of-date, incomplete and unnecessary. With SPDX and git repository much more accurate and fine grained information about licensing and authorship is available, hence let's drop the per-file copyright notice. Of course, removing copyright lines of others is problematic, hence this commit only removes my own lines and leaves all others untouched. It might be nicer if sooner or later those could go away too, making git the only and accurate source of authorship information.
* tree-wide: drop 'This file is part of systemd' blurbLennart Poettering2018-06-141-2/+0
| | | | | | | | | | | | | | | | This part of the copyright blurb stems from the GPL use recommendations: https://www.gnu.org/licenses/gpl-howto.en.html The concept appears to originate in times where version control was per file, instead of per tree, and was a way to glue the files together. Ultimately, we nowadays don't live in that world anymore, and this information is entirely useless anyway, as people are very welcome to copy these files into any projects they like, and they shouldn't have to change bits that are part of our copyright header for that. hence, let's just get rid of this old cruft, and shorten our codebase a bit.
* binfmt,sysctl,sysuers,tmpfiles: add auto-paging for --cat-config commandsLennart Poettering2018-06-131-3/+16
| | | | | The output of these commands is really long, and already enriched with color. Let's add auto-paging to make this easier to digest.
* Eliminate config_dirs vars which hold a static strvZbigniew Jędrzejewski-Szmek2018-05-071-3/+2
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* binfmt: add --cat-configZbigniew Jędrzejewski-Szmek2018-04-271-5/+24
| | | | Document --help and --version while at it.
* tree-wide: drop license boilerplateZbigniew Jędrzejewski-Szmek2018-04-061-13/+0
| | | | | | | | | | Files which are installed as-is (any .service and other unit files, .conf files, .policy files, etc), are left as is. My assumption is that SPDX identifiers are not yet that well known, so it's better to retain the extended header to avoid any doubt. I also kept any copyright lines. We can probably remove them, but it'd nice to obtain explicit acks from all involved authors before doing that.
* Add SPDX license identifiers to source files under the LGPLZbigniew Jędrzejewski-Szmek2017-11-191-0/+1
| | | | | This follows what the kernel is doing, c.f. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
* exec-util,conf-files: skip non-executable files in execute_directories()Lennart Poettering2017-09-131-1/+1
| | | | Fixes: #6787
* build-sys: drop automake supportZbigniew Jędrzejewski-Szmek2017-07-181-1/+0
| | | | | v2: - also mention m4
* tree-wide: remove Emacs lines from all filesDaniel Mack2016-02-101-2/+0
| | | | | This should be handled fine now by .dir-locals.el, so need to carry that stuff in every file.
* defs: rework CONF_DIRS_NULSTR() macroLennart Poettering2015-11-101-1/+1
| | | | | | | | | | | | The macro is generically useful for putting together search paths, hence let's make it truly generic, by dropping the implicit ".d" appending it does, and leave that to the caller. Also rename it from CONF_DIRS_NULSTR() to CONF_PATHS_NULSTR(), since it's not strictly about dirs that way, but any kind of file system path. Also, mark CONF_DIR_SPLIT_USR() as internal macro by renaming it to _CONF_PATHS_SPLIT_USR() so that the leading underscore indicates that it's internal.
* treewide: apply errno.cocciMichal Schmidt2015-11-091-2/+1
| | | | with small manual cleanups for style.
* util-lib: move CONF_DIRS_NULSTR definition to def.hLennart Poettering2015-11-031-0/+1
| | | | | | After all, this is not some compiler or C magic, but something very specific to how systemd works, hence let's move it into def.h, and out of macro.h
* util-lib: split out allocation calls into alloc-util.[ch]Lennart Poettering2015-10-271-0/+1
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* util-lib: split out fd-related operations into fd-util.[ch]Lennart Poettering2015-10-251-0/+1
| | | | | There are more than enough to deserve their own .c file, hence move them over.
* util-lib: split our string related calls from util.[ch] into its own file ↵Lennart Poettering2015-10-241-0/+1
| | | | | | | | | | | | | | string-util.[ch] There are more than enough calls doing string manipulations to deserve its own files, hence do something about it. This patch also sorts the #include blocks of all files that needed to be updated, according to the sorting suggestions from CODING_STYLE. Since pretty much every file needs our string manipulation functions this effectively means that most files have sorted #include blocks now. Also touches a few unrelated include files.
* util: introduce common version() implementation and use it everywhereLennart Poettering2015-09-291-11/+8
| | | | | | This also allows us to drop build.h from a ton of files, hence do so. Since we touched the #includes of those files, let's order them properly according to CODING_STYLE.
* tree-wide: fix write_string_file() user that should not create filesDaniel Mack2015-07-061-1/+1
| | | | | | | The latest consolidation cleanup of write_string_file() revealed some users of that helper which should have used write_string_file_no_create() in the past but didn't. Basically, all existing users that write to files in /sys and /proc should not expect to write to a file which is not yet existant.
* fileio: consolidate write_string_file*()Daniel Mack2015-07-061-3/+3
| | | | | | | Merge write_string_file(), write_string_file_no_create() and write_string_file_atomic() into write_string_file() and provide a flags mask that allows combinations of atomic writing, newline appending and automatic file creation. Change all users accordingly.
* remove unused includesThomas Hindoe Paaboel Andersen2015-02-231-2/+0
| | | | | | This patch removes includes that are not used. The removals were found with include-what-you-use which checks if any of the symbols from a header is in use.
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