Hey Marko, No I was literally setting it to a string "(null)". I will try what you recommend and just set the value ptr I pass in to NULL. Thanks for the quick reply, Pritish
On Fri, Apr 14, 2017 at 11:32 AM, marko kiiskila <ma...@runtime.io> wrote: > Hi Pritish, > > not a dumb question! Delete is meant to happen if you pass NULL as the > value. > When reading the config back, seeing NULL means that value was deleted. > I.e. the ‘workaround' is exactly how your config handler should behave :) > > Alas, I was meant to write documentation about this, but never ended > up finishing it. > > > On Apr 14, 2017, at 9:24 AM, Pritish Gandhi <prit...@aylanetworks.com> > wrote: > > > > Hi All, > > Probably a dumb question, but is there a way to delete or remove config > > name-value pairs from config? > > I'm using conf_save_one() to save single name-value pairs to config. But > I > > couldn't find a similar function to remove them. I wonder whether, since > > I'm using the append only fcb system, I would have to write another > special > > name-value pair to mark it deleted. I would've assumed config_fcb to > handle > > that for me. > > > > I also noticed that conf_save_one() retains the old value if I save a > > STRING name-value pair with the strlen(value) == 0. The way I'm working > > around this is to set the value string to "(null)" and when I read a > > "(null)" from the config system I just memset my string to 0x0s. > > > > Comments on these are much appreciated. > > Thanks, > > Pritish > >
