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device
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Boolean arithmetic is great, use it!
if (a && !b)
return 1;
if (!a && b)
return -1,
is equivalent to
if (a != b)
return a - b;
Furthermore:
r = false;
if (condition)
r = true;
is equivalent to:
r = condition;
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sd_device_new_from_* now returns -ENODEV when the device does not exist, and the enumerator
silently drops these errors as missing devices is exepected.
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It is still possible to include uninitialized ones, but now that is opt-in. In most
cases people only want initialized devices. Exception is if you want to work without
udev running.
Suggested by David Herrmann.
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This is rarely, if ever, used. Drop it from the new public API and only keep it for
the legacy API.
Suggested by David Herrmann.
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Right now, we always drop the last character of all values we write to
sysfs. Fix this!
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I shall not use alloca() within loops
I shall not use alloca() within loops
I shall not use alloca() within loops
I shall not use alloca() within loops
...
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Use the standard FOREACH_WORD* macros.
The current code was broken in the devlink case so the last one received
was being dropped, causing https://bugs.freedesktop.org/show_bug.cgi?id=89894
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unnecessarily
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This was getting leaked as a copy was added to the hashmap, simply add the
returned value instead.
This should fix CID #1292806.
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sysnum would not be initialized if sysname had no trailing digits.
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This provides equivalent functionality to libudev-device, but in the
systemd style. The public API only caters to creating sd_device objects
from for devices that already exist in /sys, there is no support for
listening for monitoring events or creating devices received over
the udev netlink protocol.
The private API contains the necessary functionality to make sd-device
a drop-in replacement for libudev-device, but which we would not
otherwise want to export.
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