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Cleanup: const-ify functions taking pointers to events

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This is another entry in the series to make more things
"const-clean" with the ultimate goal of merge_dive() take
const pointers.

This concerns functions taking pointers to events and
the fallout from making these const.

The somewhat debatable part of this commit might be
that get_next_event() is split in a two distinct
(const and non-const) versions with different names,
since C doesn't allow overloading. The linker should
recognize that these functions are identical and remove
one of them.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-08-17 00:58:30 +02:00 • committed by Dirk Hohndel
parent 44f34d8cd7
commit 605e1e19ed
15 changed files with 76 additions and 69 deletions
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4
core/statistics.c
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@ -236,10 +236,10 @@ void process_selected_dives(void)
#define SOME_GAS 5000 // 5bar drop in cylinder pressure makes cylinder used
bool has_gaschange_event(struct dive *dive, struct divecomputer *dc, int idx)
bool has_gaschange_event(const struct dive *dive, const struct divecomputer *dc, int idx)
{
bool first_gas_explicit = false;
struct event *event = get_next_event(dc->events, "gaschange");
const struct event *event = get_next_event(dc->events, "gaschange");
while (event) {
if (dc->sample && (event->time.seconds == 0 ||
(dc->samples && dc->sample[0].time.seconds == event->time.seconds)))