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If the format string contains %m, clearly errno must have a meaningful
value, so we might as well use log_*_errno to have ERRNO= logged.
Using:
find . -name '*.[ch]' | xargs sed -r -i -e \
's/log_(debug|info|notice|warning|error|emergency)\((".*%m.*")/log_\1_errno(errno, \2/'
Plus some whitespace, linewrap, and indent adjustments.
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Basically:
find . -name '*.[ch]' | while read f; do perl -i.mmm -e \
'local $/;
local $_=<>;
s/log_(debug|info|notice|warning|error|emergency)\("([^"]*)%s"([^;]*),\s*strerror\(-?([->a-zA-Z_]+)\)\);/log_\1_errno(\4, "\2%m"\3);/gms;print;' \
$f; done
Plus manual indentation fixups.
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Instead of adding matches per device, we now add logind matches per
session. This reduces the number of matches considerably and saves
resources.
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Whenever we resync an evdev device (or disable it), we should send RESYNC
events to the linked upper layers. This allows to disable key-repeat and
assume some events got dropped.
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The current pause/resume logic kinda intertwines the resume/pause and
enable/disable functions. Lets avoid that non-obvious behavior and always
make resume call into enable, and pause call into disable, if appropriate.
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We only reject evdev FDs that are O_WRONLY as they're currently pretty
useless. The following check for O_WRONLY is thus never excercised so drop
it.
Thanks to Thomas Andersen (via coverity)!
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This assertion is already there two lines down. Drop the redundant
assertion.
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This might cause >=0 to be returned, even though the method failed. Fix
this and return -errno.
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We define typedefs for all internal types so drop the redundant "struct"
prefix.
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If read() fails on evdev devices, we deal with this in idev_evdev_hup().
It is very likely this is an async revoke, therefore, we must not abort.
Fix our io helper to discard such errors after passing them to
idev_evdev_hup(), so we don't bail out of the event loop.
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The evdev-element provides linux evdev interfaces as idev-elements. This
way, all real input hardware devices on linux can be used with the idev
interface.
We use libevdev to interface with the kernel. It's a simple wrapper
library around the kernel evdev API that takes care to resync devices
after kernel-queue overflows, which is a rather non-trivial task.
Furthermore, it's a well tested interface used by all other major input
users (Xorg, weston, libinput, ...).
Last but not least, it provides nice keycode to keyname lookup tables (and
vice versa), which is really nice for debugging input problems.
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