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This is like bus_label_unescape() but takes a maximum length instead of
relying on NULL-terminated strings. This is highly useful to unescape
labels that are not at the end of a path.
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We _always_ return NULL from destructors to allow direct assignments to
the variable holding the object. Especially on hashmaps, which treat NULL
as empty hashmap, this is pretty neat.
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No need to ifdef out efi code as the functions are always defined.
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systemctl and logind were unconditionally using functions that were not compiled
on non-EFI systems. Add stubs returning -EOPNOTSUPP to fix compile again.
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There was a bug where is_efi_*() could return a negative error value, which would be treated as 'true',
just make this a bool in the helper library to avoid the problem.
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path was used for 2 purposes but it was not freed before being reused.
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literals
We simply recode them in utf8.
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inclusion
If necessary the passed string is enclosed in "", and all special
characters escapes.
This also ports over usage in bus-util.c and job.c to use this, instead
of a incorrect local implementation that forgets to properly escape.
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OrderedSet implements a Set-like structure, but maintains insertion
ordered. It is hence to Set what OrderedHashmap is for Hashmap.
Internally, this is only a wrapper around OrderedHashmap for now, but
this could one day be improved and be added to hashmap.c natively.
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Fixes second systemd compilation problem against Linux 3.12 uapi
headers.
IFA_F_NOPREFIXROUTE is a usual #define appeared in Linux 3.14, so
AC_CHECK_DECLS is not necessary.
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Change cunescape() to return a normal error code, so that we can
distuingish OOM errors from parse errors.
This also adds a flags parameter to control whether "relaxed" or normal
parsing shall be done. If set no parse failures are generated, and the
only reason why cunescape() can fail is OOM.
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input_id already (tries to) tag accelerometers as such, but this only works
for absolute accelerometers. Recent kernels mark accelerometers through an
input prop. Trust that prop and always tag devices with it with
ID_INPUT_ACCELEROMETER.
Note that detection by the prop bit works the same as the existing detection
and will ensure that no other tags get set on the device.
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Also referred to as trackpoint, trackstick. These are marked by recent kernels
through an input prop. Forward that prop as udev property so userspace can
easily determine whether there is a pointing stick present.
These devices were previously marked as ID_INPUT_MOUSE, for backwards
compatibility we keep that in place, the new property is an addition.
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There's no reason to eat up ENOENT, it should be OK to simply report the
error back.
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mount point
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- Move to its own file rm-rf.c
- Change parameters into a single flags parameter
- Remove "honour sticky" logic, it's unused these days
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QEMU/KVM guests do not have hypervisor nodes, but they do have
fw-cfg nodes (since qemu v2.3.0-rc0). fw-cfg nodes are documented,
see kernel doc Documentation/devicetree/bindings/arm/fw-cfg.txt,
and therefore we should be able to rely on it in this detection.
Unfortunately, we currently don't have enough information in the
DT, or elsewhere, to determine if we're using KVM acceleration
with QEMU or not, so we can only report 'qemu' at this time, even
if KVM is in use. This shouldn't really matter in practice though,
because if detect-virt is used interactively it will be clear to
the user whether or not KVM acceleration is present by the overall
speed of the guest. If used by a script, then the script's behavior
should not change whether it's 'qemu' or 'kvm'. QEMU emulated
guests and QEMU/KVM guests of the same type should behave
identically, only the speed at which they run should differ.
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Kernel doc Documentation/ABI/testing/sysfs-firmware-ofw says that
the /proc/device-tree symlink should be used, as opposed to
directly accessing /sys/firmware/devicetree/base. The former is
ABI, but not the later.
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like:
src/shared/install.c: In function ‘unit_file_lookup_state’:
src/shared/install.c:1861:16: warning: ‘r’ may be used uninitialized in
this function [-Wmaybe-uninitialized]
return r < 0 ? r : state;
^
src/shared/install.c:1796:13: note: ‘r’ was declared here
int r;
^
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When parsing words from input files, optionally automatically unescape
the passed strings, controllable via a new flags parameter.
Make use of this in tmpfiles, and port everything else over, too.
This improves parsing quite a bit, since we no longer have to process the
same string multiple times with different calls, where an earlier call
might corrupt the input for a later call.
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And other non-device entries (like fstab does).
Mount whatever the user asked to be mounted on / on the kernel
command line. Do less sanity check and do *not* bail out
when the mount device looks strange or does not exist.
This basically makes the changes for deviceless filesystems
from yesterday unnecessary and is in line with what we do for
filesystems set up in fstab.
Remove some code that is now dead (reverting fb02a2775a65 and
b0438462).
[tomegun:
- change patch title/description a bit.
- don't touch the /usr logic, that would be a separate change and
we don't currently have a convincing use-case for that.
- don't bail out on /sys ro. This only makes sense in containers,
where we would not be doing this anyway. If there is a use-case
we could consider that as a separate patch.]
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