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-rw-r--r--planner.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/planner.c b/planner.c
index dc80729ec..3cad8d132 100644
--- a/planner.c
+++ b/planner.c
@@ -94,11 +94,13 @@ void set_display_transitions(bool display)
plan_display_transitions = display;
}
+/* get the gas at a certain time during the dive */
void get_gas_at_time(struct dive *dive, struct divecomputer *dc, duration_t time, struct gasmix *gas)
{
- // we don't modify the values passed in if nothing is found
- // so don't call with uninitialized gasmix !
+ // we always start with the first gas, so that's our gas
+ // unless an event tells us otherwise
struct event *event = dc->events;
+ *gas = dive->cylinder[0].gasmix;
while (event && event->time.seconds <= time.seconds) {
if (!strcmp(event->name, "gaschange")) {
int cylinder_idx = get_cylinder_index(dive, event);
@@ -153,8 +155,7 @@ double tissue_at_end(struct dive *dive, char **cached_datap)
if (!dc->samples)
return tissue_tolerance;
psample = sample = dc->sample;
- /* we always start with gas 0 (unless an event tells us otherwise) */
- gas = dive->cylinder[0].gasmix;
+
for (i = 0; i < dc->samples; i++, sample++) {
t1 = sample->time;
get_gas_at_time(dive, dc, t0, &gas);
@@ -551,7 +552,7 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool
translate("gettextFromC", "gas"));
}
do {
- struct gasmix gasmix, newgasmix;
+ struct gasmix gasmix, newgasmix = {};
const char *depth_unit;
double depthvalue;
int decimals;