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* qrcode-util: make dlopen() logic more like the other casesLennart Poettering2020-12-091-0/+2
| | | | | | | | Let's add a dlopen_qrencode() function that does the actual dlopen() stuff and caches the result. This is useful so that we later can automatically test for all dlopen hookups to work correctly.
* license: LGPL-2.1+ -> LGPL-2.1-or-laterYu Watanabe2020-11-091-1/+1
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* journal,homectl: unify implementations of libqrencode loading and fss key ↵Zbigniew Jędrzejewski-Szmek2020-10-271-4/+8
| | | | | | | | | | | | | printing We had two of each: both homectl and journalctl had the whole dlopen() wrapper, and journalctl had two implementations (slightly different) of the code to print the fss:// pattern. print_qrcode() now returns -EOPNOTSUPP when compiled with qrcode support. Both callers ignore the return value, so this changes nothing. No functional change.
* journal: move qrcode printing code to src/shared/Lennart Poettering2020-08-251-0/+9
That way we can make use of it in homctl, too.