Extract common code for creating the keys directory.

This had somehow gotten duplicated between router.c and routerkeys.c

1 files changed, 6 insertions, 0 deletions

diff --git a/src/or/config.h b/src/or/config.h
index efdd8c59b0..de9858a25b 100644
--- a/src/or/config.h
+++ b/src/or/config.h
@@ -72,6 +72,10 @@ MOCK_DECL(char *,
  * get_datadir_fname2_suffix.  */
 #define get_datadir_fname2(sub1,sub2) \
   get_datadir_fname2_suffix((sub1), (sub2), NULL)
+/** Return a newly allocated string containing datadir/sub1 relative to
+ * opts.  See get_datadir_fname2_suffix.  */
+#define options_get_datadir_fname(opts,sub1)                    \
+  options_get_datadir_fname2_suffix((opts),(sub1), NULL, NULL)
 /** Return a newly allocated string containing datadir/sub1/sub2 relative to
  * opts.  See get_datadir_fname2_suffix.  */
 #define options_get_datadir_fname2(opts,sub1,sub2)                      \
@@ -83,6 +87,8 @@ MOCK_DECL(char *,
 
 int using_default_dir_authorities(const or_options_t *options);
 
+int create_keys_directory(const or_options_t *options);
+
 int check_or_create_data_subdir(const char *subdir);
 int write_to_data_subdir(const char* subdir, const char* fname,
                          const char* str, const char* descr);