Added "dryrun" for gendata

1 files changed, 12 insertions, 0 deletions

diff --git a/src/cube_public.h b/src/cube_public.h
index 1b0cc14..01b6dac 100644
--- a/src/cube_public.h
+++ b/src/cube_public.h
@@ -1,3 +1,5 @@
+#include "cube.h"
+
 int write_result(cube_t, char [static 22]);
 
 int
@@ -127,6 +129,16 @@ nissy_writecube(
 }
 
 int64_t
+nissy_datasize(
+        const char *solver,
+        const char *options
+)
+{
+        /* gendata() handles a NULL *data as a "dryrun" request */
+        return nissy_gendata(solver, options, NULL);
+}
+
+int64_t
 nissy_gendata(
         const char *solver,
         const char *options,