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Introduce helper function empty_string()

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There are ca. 50 constructs of the kind
  same_string(s, "")
to test for empty or null strings. Replace them by the new helper
function empty_string().

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-01-07 11:12:48 +01:00 • committed by Lubomir I. Ivanov
parent 86ef9fce75
commit e85ecdd925
21 changed files with 53 additions and 48 deletions
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2
qt-models/diveplannermodel.cpp
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@ -151,7 +151,7 @@ void DivePlannerPointsModel::setupCylinders()
if (!cylinder_none(&(displayed_dive.cylinder[i])))
return; // We have at least one cylinder
}
if (!same_string(prefs.default_cylinder, "")) {
if (!empty_string(prefs.default_cylinder)) {
fill_default_cylinder(&displayed_dive.cylinder[0]);
}
if (cylinder_none(&displayed_dive.cylinder[0])) {