core: introduce set_cylinder() function

We have a set_weightsystem() function. For symmetry, introduce
a set_cylinder() function so that we can more-or-less copy&paste
the weightsystem undo code for cylinder undo.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 9 insertions, 0 deletions

diff --git a/core/equipment.c b/core/equipment.c
index 4672cbe00..3d169a338 100644
--- a/core/equipment.c
+++ b/core/equipment.c
@@ -291,6 +291,15 @@ void remove_cylinder(struct dive *dive, int idx)
 	remove_from_cylinder_table(&dive->cylinders, idx);
 }
 
+// cyl is cloned.
+void set_cylinder(struct dive *dive, int idx, cylinder_t cyl)
+{
+	if (idx < 0 || idx >= dive->cylinders.nr)
+		return;
+	free_cylinder(dive->cylinders.cylinders[idx]);
+	dive->cylinders.cylinders[idx] = clone_cylinder(cyl);
+}
+
 void remove_weightsystem(struct dive *dive, int idx)
 {
 	remove_from_weightsystem_table(&dive->weightsystems, idx);