Simplistic filtering by tags

This only allows for a logical "AND" - so only dives that all of the
selected tags are displayed.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/dive.h b/dive.h
index 957415396..5aa9fc011 100644
--- a/dive.h
+++ b/dive.h
@@ -53,6 +53,7 @@
 /* defined in statistics.c */
 extern char *dtag_names[DTAG_NR];
 extern int dtag_shown[DTAG_NR];
+extern int dive_mask;
 
 /*
  * Some silly typedefs to make our units very explicit.