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Only update tags in the selected dives if they were changed

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If current_dive and displayed_dive still have the same tags then we
shouldn't touch the tags of other selected dives.

Fixes #826

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-02-10 06:31:37 -08:00
parent d60a620193
commit 585d6a004b
3 changed files with 22 additions and 0 deletions
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18
dive.c
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@ -2618,6 +2618,24 @@ bool taglist_contains(struct tag_entry *tag_list, const char *tag)
return false;
}
// check if all tags in subtl are included in supertl (so subtl is a subset of supertl)
static bool taglist_contains_all(struct tag_entry *subtl, struct tag_entry *supertl)
{
while (subtl) {
if (!taglist_contains(supertl, subtl->tag->name))
return false;
subtl = subtl->next;
}
return true;
}
// if tl1 is both a subset and superset of tl2 they must be the same
bool taglist_equal(struct tag_entry *tl1, struct tag_entry *tl2)
{
return taglist_contains_all(tl1, tl2) && taglist_contains_all(tl2, tl1);
}
// count the dives where the tag list contains the given tag
int count_dives_with_tag(const char *tag)
{