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-rw-r--r--dive.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/dive.c b/dive.c
index e337ca319..35f1c3f46 100644
--- a/dive.c
+++ b/dive.c
@@ -484,11 +484,13 @@ static void fixup_watertemp(struct dive *dive)
dive->watertemp.mkelvin = (sum + nr / 2) / nr;
}
-static void fixup_airtemp(struct dive *dive)
+void fixup_airtemp(struct dive *dive)
{
struct divecomputer *dc;
int sum = 0, nr = 0;
+ if (dive->airtemp.mkelvin)
+ return;
for_each_dc(dive, dc) {
if (dc->airtemp.mkelvin) {
sum += dc->airtemp.mkelvin;
@@ -499,6 +501,20 @@ static void fixup_airtemp(struct dive *dive)
dive->airtemp.mkelvin = (sum + nr / 2) / nr;
}
+/* zero out the airtemp in the dive structure if it was just created by
+ * running fixup on the dive. keep it if it had been edited by hand */
+static void un_fixup_airtemp(struct dive *a)
+{
+ temperature_t temp;
+ temp.mkelvin = a->airtemp.mkelvin;
+ a->airtemp.mkelvin = 0;
+ fixup_airtemp(a);
+ if (a->airtemp.mkelvin && a->airtemp.mkelvin != temp.mkelvin)
+ a->airtemp.mkelvin = temp.mkelvin;
+ else
+ a->airtemp.mkelvin = 0;
+}
+
/*
* events are stored as a linked list, so the concept of
* "consecutive, identical events" is somewhat hard to
@@ -983,6 +999,13 @@ static void merge_equipment(struct dive *res, struct dive *a, struct dive *b)
merge_weightsystem_info(res->weightsystem+i, a->weightsystem + i, b->weightsystem + i);
}
+static void merge_airtemps(struct dive *res, struct dive *a, struct dive *b)
+{
+ un_fixup_airtemp(a);
+ un_fixup_airtemp(b);
+ MERGE_NONZERO(res, a, b, airtemp.mkelvin);
+}
+
/*
* When merging two dives, this picks the trip from one, and removes it
* from the other.
@@ -1616,6 +1639,7 @@ struct dive *merge_dives(struct dive *a, struct dive *b, int offset, gboolean pr
MERGE_NONZERO(res, a, b, cns);
MERGE_NONZERO(res, a, b, visibility);
merge_equipment(res, a, b);
+ merge_airtemps(res, a, b);
if (dl) {
/* If we prefer downloaded, do those first, and get rid of "might be same" computers */
join_dive_computers(&res->dc, &dl->dc, &a->dc, 1);