QML UI: make sure the dive list is empty before loading dives

When testing subsurface-mobile on the desktop from an account that had a
default file set up in the Subsurface preferences that file would already
be loaded creating rather confusing output.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/divelist.c b/divelist.c
index 953dd7839..18ff99135 100644
--- a/divelist.c
+++ b/divelist.c
@@ -1098,3 +1098,16 @@ void report_datafile_version(int version)
 	if (min_datafile_version == 0 || min_datafile_version > version)
 		min_datafile_version = version;
 }
+
+void clear_dive_file_data()
+{
+	while (dive_table.nr)
+		delete_single_dive(0);
+	while (dive_site_table.nr)
+		delete_dive_site(get_dive_site(0)->uuid);
+
+	free((void *)existing_filename);
+	existing_filename = NULL;
+
+	reset_min_datafile_version();
+}