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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
core/parse.c
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@ -469,7 +469,7 @@ void add_dive_site(char *ds_name, struct dive *dive)
}
if (ds) {
// we have a uuid, let's hope there isn't a different name
if (same_string(ds->name, "")) {
if (empty_string(ds->name)) {
ds->name = copy_string(buffer);
} else if (!same_string(ds->name, buffer)) {
// if it's not the same name, it's not the same dive site