subsurface/desktop-widgets
Berthold Stoeger 6a07ccbad2 Use helper function empty_string() instead of manual checks
For code consistency, substitute boolean expressions:
 s && *s     -> !empty_string(s)
 s && s[0]   -> !empty_string(s)
 !s || !*s   ->  empty_string(s)
 !s || !s[0] ->  empty_string(s)

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-01-11 06:07:13 +01:00
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