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Add test/rule-syntax-check.py, a script for checking the syntax of all udev
rules files passed as command line arguments.
Add a wrapper test/rules-test.sh which calls rule-syntax-check.py on all udev
rules that we ship, but does nothing if Python is not available. Integrate this
into make check/distcheck.
We can not predict the major/minor of non-existing devices:
$ grep . /sys/class/block/sd*/dev
/sys/class/block/sda1/dev:259:524288
/sys/class/block/sda2/dev:259:262144
/sys/class/block/sda3/dev:259:786432
/sys/class/block/sda4/dev:259:131072
/sys/class/block/sda/dev:259:0
/sys/class/block/sdb/dev:259:655360
/sys/class/block/sdc/dev:259:393216
If this functionality is still needed for some broken hardware, it needs to be
solved with a tool not part of the udev package. Because such option is unreliable
and unsafe to use.
With very deeply nested devices, We can not use a single file
name to carry an entire DEVPATH. Use <subsystem>:<sysname> as
the database filename, which should also simplify the handling
of devices moving around, as these values will not change but
still be unique.
For the name stack we use the <maj>:<min> now as the filename.
> On Tue, Aug 18, 2009 at 09:59:56AM -0400, Ric Wheeler wrote:
> The first is that udev grumbles during boot about "file name too long"
> like the following:
>
> Aug 17 06:49:58 megadeth udevd-event[20447]: unable to create db file
> '/dev/.udev/db/\x2fdevices\x2fpci0000:00\x2f0000:00:04.0\x2f0000:17:00.0\x2f0000:18:0a.0\x2f0000:1f:00.0\x2fhost11\x2fport-11:0\x2fexpander-11:0\x2fport-11:0:0\x2fexpander-11:1\x2fport-11:1:0\x2fexpander-11:2\x2fport-11:2:17\x2fexpander-11:3\x2fport-11:3:1\x2fend_device-11:3:1\x2fbsg\x2fend_device-11:3:1':
> File name too long
A little fix is needed for the udev-test.pl script (to be called with the
proper path), but this allows for the test binaries to be only built when
running the tests themselves.
String substitutions in OWNER and GROUP keys were broken in udev 137-142.
Explicitly test for this, since such breakage will not manifest in typical
rulesets.
The in-memory rule array of a common desktop distro install took:
1151088 bytes
with the token list:
109232 bytes tokens (6827 * 16 bytes), 71302 bytes buffer
