Re: [GNUnet-developers] GNUNET_PROGRAM* option evaluation does not work as expected

[ng0]

Schanzenbach, Martin transcribed 4.9K bytes:
> In the end, please also check https://docs.gnunet.org/#Coding-style and 
> adjust your editor to it.
> Currently, the file has mixed spaces and tabs which is quite unreadable (for 
> me).
> Now, I know this is a problem in other files as well (looking at you 
> gnunet-ecc.c), but better not copy the bad style ;)
> 
> BR

I think it should be rather easy to write an awk script to handle
corrections there depending on the kind of files etc. In general,
nothing I will do now.

> > On 13. Mar 2019, at 19:11, Schanzenbach, Martin <address@hidden> wrote:
> > 
> > Signed PGP part
> > Hi!
> > 
> >> On 13. Mar 2019, at 18:25, Hartmut Goebel <address@hidden> wrote:
> >> 
> >> Hi Martin,
> >> 
> >> Am 03.03.19 um 11:33 schrieb Schanzenbach, Martin:
> >>> The first thing you should do it use GNUNET_PROGRAM*.
> >> I followed this advice, adding options --verbose, -s/--silent and 
> >> -d/--device. Here is the resulting help output, which look s good::
> >> 
> >> src/util/gnunet-qr --help
> >> gnunet-qr
> >> Scan a QR code using a video device and import the uri read
> >> Arguments mandatory for long options are also mandatory for short options.
> >>      --verbose              be verbose
> >>  -c, --config=FILENAME      use configuration file FILENAME
> >>  -d, --device=DEVICE        use video-device DEVICE (default: /dev/video0
> >>  -h, --help                 print this help
> >>  -L, --log=LOGLEVEL         configure logging to use LOGLEVEL
> >>  -l, --logfile=FILENAME     configure logging to write logs to FILENAME
> >>  -s, --silent               do not show preview windows
> >>  -v, --version              print the version number
> >> Report bugs to address@hidden
> >> GNUnet home page: http://www.gnu.org/s/gnunet/
> >> General help using GNU software: http://www.gnu.org/gethelp/
> >> 
> >> 
> >> But the resulting program does not work as expected:
> >> 
> >>    • gnunet-qr -c src/my/test_my.conf
> >> -> invalid option -- c
> > 
> > You forgot to call:
> > GNUNET_STRINGS_get_utf8_args (argc, argv,
> >                                    &argc, &argv)
> > without it the parsing will not actually happen ;).
> > 
> > FYI some flags are reserved and handled by GNUnet.
> > This includes "verbose", "config" etc. You can see what is reserved when 
> > you add no arguments and call --help.
> > See gnunet-ecc.c how it's done.
> > 
> >> Curiously gnunet-ecc accepts this option.
> >>    • gnunet-qr --config ./src/my/test_my.conf
> >> fails with "`stat' failed on file `/opt/gnunet/share/gnunet/config.d' 
> >> [...]error: Datei oder Verzeichnis nicht gefunden"
> >> Why does the program try to access this directory when I passed an 
> >> config-file?
> >> 
> >> "/opt/gnunet" is the prefix I configured, thus the directory name makes 
> >> sense.  gnunet-ecc has the same issue.
> >> 
> > 
> > GNUnet always tries to load the system/user config file first. The config 
> > file you pass is used to override the default settings from that.
> > So if you did not actually install gnunet or don't have GNUNET_PREFIX 
> > setup, this might be the issue.
> > 
> > BR
> > 
> >> I just pushed the code to branch gnunet-qt-c-2 (force-pushing to the prior 
> >> branch was denied)
> >> 
> >> --
> >> Regards
> >> Hartmut Goebel
> >> 
> >> | Hartmut Goebel          |
> >> address@hidden
> >>               |
> >> |
> >> www.crazy-compilers.com
> >> | compilers which you thought are impossible |
> >> 
> > 
> > 
> > 
> 



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