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* build-sys: use #if Y instead of #ifdef Y everywhereZbigniew Jędrzejewski-Szmek2017-10-041-1/+1
| | | | | | | | | | | | | | | The advantage is that is the name is mispellt, cpp will warn us. $ git grep -Ee "conf.set\('(HAVE|ENABLE)_" -l|xargs sed -r -i "s/conf.set\('(HAVE|ENABLE)_/conf.set10('\1_/" $ git grep -Ee '#ifn?def (HAVE|ENABLE)' -l|xargs sed -r -i 's/#ifdef (HAVE|ENABLE)/#if \1/; s/#ifndef (HAVE|ENABLE)/#if ! \1/;' $ git grep -Ee 'if.*defined\(HAVE' -l|xargs sed -i -r 's/defined\((HAVE_[A-Z0-9_]*)\)/\1/g' $ git grep -Ee 'if.*defined\(ENABLE' -l|xargs sed -i -r 's/defined\((ENABLE_[A-Z0-9_]*)\)/\1/g' + manual changes to meson.build squash! build-sys: use #if Y instead of #ifdef Y everywhere v2: - fix incorrect setting of HAVE_LIBIDN2
* build-sys: drop automake supportZbigniew Jędrzejewski-Szmek2017-07-181-1/+0
| | | | | v2: - also mention m4
* sd-hwdb: drop caching of search stringZbigniew Jędrzejewski-Szmek2016-11-301-23/+1
| | | | | We have only two callers, and for neither this "optimization" is useful. So let's drop it an save some code and a malloc.
* hwdb, sd-hwdb: rework priority comparison when loading propertiesZbigniew Jędrzejewski-Szmek2016-11-302-5/+35
| | | | | | | | | | | | | | | | | | | | | | | We cannot compare filenames directly, because paths are not sortable lexicographically, e.g. /etc/udev is "later" (has higher priority) than /usr/lib/udev. The on-disk format is changed to have a separate field for "file priority", which is stored when writing the binary file, and then loaded and used in comparisons. For data in the previous format (as generated by systemd 232), this information is not available, and we use a trick where the offset into the string table is used as a proxy for priority. Most of the time strings are stored in the order in which the files were processed. This is not entirely reliable, but is good enough to properly order /usr/lib and /etc/, which are the two most common cases. This hack is included because it allows proper parsing of files until the binary hwdb is regenerated. Instead of adding a new field, I reduced the size of line_number from 64 to 32 bits, and added a 16 bit priority field, and 16 bits of padding. Adding a new field of 16 bytes would significantly screw up alignment and increase file size, and line number realistically don't need more than ~20 bits. Fixes #4750.
* Two small cleanupsZbigniew Jędrzejewski-Szmek2016-11-291-1/+1
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* hwdb: use systemd-hwdb instead of obsolete udevadm hwdb (#4722)Michael Biebl2016-11-231-1/+1
| | | Fixes: #4721
* sd-hwdb: order properties by originDavid Herrmann2016-09-211-15/+28
| | | | | | | | | | | If we find duplicates in a property-lookup, make sure to order them by their origin. That is, matches defined "later" take precedence over earlier matches. The "later"-order is defined by file-name + line-number combination. That is, if a match is defined below another one in the same hwdb file, it takes precedence, same as if it is defined in a file ordered after another one. Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
* hwdb: store file-name and file-number with propertiesDavid Herrmann2016-09-211-0/+8
| | | | | | | | | | | Extend the hwdb to store the source file-name and file-number for each property. We simply extend the stored value struct with the new information. It is fully backwards compatible and old readers will continue to work. The libudev/sd-hwdb reader is updated in a followup. Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
* sd-hwdb: fix child/value offset calculationDavid Herrmann2016-09-211-9/+14
| | | | | | | | | It is not legal to use hard-coded types to calculate offsets. We must always use the offsets of the hwdb header to calculate those. Otherwise, we will break horribly if run on hwdb files written by other implementations or written with future extensions. Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
* tree-wide: place #pragma once at the same place everywhereLennart Poettering2016-02-201-1/+2
| | | | | | Usually, we place the #pragma once before the copyright blurb in header files, but in a few cases we didn't. Move those around, so that we do the same thing everywhere.
* 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.
* tree-wide: expose "p"-suffix unref calls in public APIs to make gcc cleanup easyLennart Poettering2015-11-272-4/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GLIB has recently started to officially support the gcc cleanup attribute in its public API, hence let's do the same for our APIs. With this patch we'll define an xyz_unrefp() call for each public xyz_unref() call, to make it easy to use inside a __attribute__((cleanup())) expression. Then, all code is ported over to make use of this. The new calls are also documented in the man pages, with examples how to use them (well, I only added docs where the _unref() call itself already had docs, and the examples, only cover sd_bus_unrefp() and sd_event_unrefp()). This also renames sd_lldp_free() to sd_lldp_unref(), since that's how we tend to call our destructors these days. Note that this defines no public macro that wraps gcc's attribute and makes it easier to use. While I think it's our duty in the library to make our stuff easy to use, I figure it's not our duty to make gcc's own features easy to use on its own. Most likely, client code which wants to make use of this should define its own: #define _cleanup_(function) __attribute__((cleanup(function))) Or similar, to make the gcc feature easier to use. Making this logic public has the benefit that we can remove three header files whose only purpose was to define these functions internally. See #2008.
* 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 Poettering2015-10-242-8/+8
| | | | | | | | | | | | | | 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 Poettering2015-09-291-0/+1
| | | | | | 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.
* util: introduce safe_fclose() and port everything over to itLennart Poettering2015-09-091-2/+1
| | | | Adds a coccinelle script to port things over automatically.
* tree-wide: we place the opening bracket on the same line as the function nameLennart Poettering2015-08-271-7/+6
| | | | Let's do this everywhere the same way.
* hashmap: fix iterators to not skip entriesDavid Herrmann2015-06-141-2/+3
| | | | | | | | | | | | | | | Currently, the HASHMAP iterators stop at the first NULL entry in a hashmap. This is non-obvious and breaks users like sd-device, which legitimately store NULL values in a hashmap. Fix all the iterators by taking a pointer to the value storage, instead of returning it. The iterators now return a boolean that tells whether the end of the list was reached. Current users of HASHMAP_FOREACH() are *NOT* changed to explicitly check for NULL. If it turns out, there were users that inserted NULL into hashmaps, but didn't properly check for it during iteration, then we really want to find those and fix them.
* fix double semicolon typoThomas Hindoe Paaboel Andersen2015-06-021-1/+1
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* 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.
* Assorted format fixesZbigniew Jędrzejewski-Szmek2015-01-221-1/+1
| | | | | Types used for pids and uids in various interfaces are unpredictable. Too bad.
* refcnt: refcnt is unsigned, fix comparisonsTom Gundersen2015-01-131-1/+1
| | | | This does not make a difference, but the code was confusing.
* libsystemd: add sd-hwdb libraryTom Gundersen2014-12-114-0/+573
This is libudev-hwdb, but decoupled from libudev and in the libsystemd style. The core code is unchanged, apart from the following minor changes: - hwdb.bin located in /**/systemd/hwdb/ take preference over the ones located in /**/udev/ - properties are stored internally in an OrderedHashmap, rather than a linked list. - a new API call allows individual properties to be queried directly, rather than iterating over them all - the iteration over properties have been moved inside the library, rather than exposing a list directly - the unused 'flags' parameter was dropped
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