Re: udev.rules.devfs + symlinks & a question

["Svetoslav Slavtchev" <svetljo@gmx.de>]

Hi,

> On Sat, Dec 13, 2003 at 02:17:22AM +0100, Svetoslav Slavtchev wrote:
> 
> > can a callout return several strings?
> > NAME="%c1", SYMLINK="%c2 %c3"
> > 
> > no i don't think this can be done with a callout script
> 
> Try this patch if you like, to get special parts of the callout output.
> This beast works now:
> CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n node link1 link2", ID="node *",
> NAME="%1c", SYMLINK="%2c %3c"
> 
> The callout returned string is separated by spaces and is
> addressed by the "len" value of the 'c' format char.
> Since we support symlinks, this my be useful for other uses of callout
> too.
> 
> good luck,
> Kay

thanks a lot,

where could i find samples for callout scripts ?
what information is available to the callout environment

with other words how should i construct one :-)

best,

svetljo

PS.

current udev -bk is not rpm friendly
the generation of udev.conf uses 
a sed rule which conflicts with the 
defaut rpm path for installing the binaries
smth like $tmp/$name-$version-$release
                                 ^             ^
so this "-" break the "s-path-$udev_dir-" sed rule
using ":" for delimiter fixes it

also 
make DESTDIR=.... EXTRAS=/extras/scsi_id install
tryes to install scsi_id in "/sbin" not in DESTDIR
 
PS.2
i also made rpms from today's bk
http://varna.demon.co.uk/~svetlio/cook/2.6/udev/

which reminds me to ask smth :-)
what are the advantages/ disadvantages
to compile using klibc ?

> 
> 
> 02-get-part-of-callout-return-string.diff
>   introduce 'len number' for format chars
>   the first use is 'c'-the callout return to select a part of the output
> string like:
>   CALLOUT, BUS="scsi", PROGRAM="/bin/echo -n node link1 link2", ID="node
> *", NAME="%1c", SYMLINK="%2c %3c"
>   (note: first part is requested by len=1, len=0 will return the whole
> string)
>   add a test to udev-test.pl
> 

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