1 files changed, 14 insertions, 0 deletions
diff --git a/dive.c b/dive.c
index 0d8f48754..6545fecab 100644
--- a/dive.c
+++ b/dive.c
@@ -6,6 +6,7 @@
 #include <limits.h>
 #include "gettext.h"
 #include "dive.h"
+#include "libdivecomputer.h"
 
 struct tag_entry *g_tag_list = NULL;
 
@@ -76,6 +77,19 @@ void remove_event(struct event* event)
 	}
 }
 
+/* this returns a pointer to static variable - so use it right away after calling */
+struct gasmix *get_gasmix_from_event(struct event *ev)
+{
+	static struct gasmix g;
+	g.o2.permille = g.he.permille = 0;
+	if (ev && (ev->type == SAMPLE_EVENT_GASCHANGE || ev->type == SAMPLE_EVENT_GASCHANGE2)) {
+		g.o2.permille = 10 * ev->value & 0xffff;
+		if (ev->type == SAMPLE_EVENT_GASCHANGE2)
+			g.he.permille = 10 * (ev->value >> 16);
+	}
+	return &g;
+}
+
 int get_pressure_units(int mb, const char **units)
 {
 	int pressure;