Stef did some work a few years ago on sanei_configure_attach, which might fill the need. In the short term, I will say that my backends all call sane_get_devices inside sane_open if there is no cached list of devices.
allan On Tue, May 12, 2015 at 10:17 PM, Olaf Meeuwissen <olaf.meeuwis...@avasys.jp> wrote: > > Alessandro Zummo writes: > >> On Wed, 13 May 2015 08:28:24 +0900 >> Olaf Meeuwissen <olaf.meeuwis...@avasys.jp> wrote: >> >>> Wouldn't the Right Thing to do be to change the backend to read its >>> configuration in sane_init()? The SANE spec is pretty clear about the >>> fact that frontends do not have to call sane_get_devices() before they >>> call sane_open(). >> >> due to the way sanei_config_attach works, reading the config >> file will trigger a scan of all the devices, which I would rather >> avoid when the user specifies a device in sane_open(). >> >> the whole config system probably needs an overhaul, as >> there's much duplicate code in a lot of drivers. > > ACK. > >> we need something to parse the configuration on startup >> and act on it at a later stage, but I don't have the time do >> write it. >> >> so if this patch works, it's the best I can do right now ;) > > I thought so much but it is better to be explicit about that, either in > the mail or better yet in the patch itself in the form of code comments > for example. > > Thanks for the patch, > -- > Olaf Meeuwissen, LPIC-2 FLOSS Engineer -- AVASYS CORPORATION > FSF Associate Member #1962 Help support software freedom > http://www.fsf.org/jf?referrer=1962 > > -- > sane-devel mailing list: sane-devel@lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-requ...@lists.alioth.debian.org -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand" -- sane-devel mailing list: sane-devel@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to sane-devel-requ...@lists.alioth.debian.org
