doxygen: add @file declarations for src/feature/

If a file doesn't use the file command (either \file or @file),
Doxygen won't try to process it.

3 files changed, 15 insertions, 1 deletions

diff --git a/src/feature/dircommon/consdiff.h b/src/feature/dircommon/consdiff.h
index b63fcb2cc6..0e8c4b4d8e 100644
--- a/src/feature/dircommon/consdiff.h
+++ b/src/feature/dircommon/consdiff.h
@@ -2,6 +2,11 @@
  * Copyright (c) 2014-2019, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
+/**
+ * @file consdiff.h
+ * @brief Header for consdiff.c
+ **/
+
 #ifndef TOR_CONSDIFF_H
 #define TOR_CONSDIFF_H
 
diff --git a/src/feature/dircommon/dir_connection_st.h b/src/feature/dircommon/dir_connection_st.h
index a858560c29..ba978e142a 100644
--- a/src/feature/dircommon/dir_connection_st.h
+++ b/src/feature/dircommon/dir_connection_st.h
@@ -4,6 +4,11 @@
  * Copyright (c) 2007-2019, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
+/**
+ * @file dir_connection_st.h
+ * @brief Client/server directory connection structure.
+ **/
+
 #ifndef DIR_CONNECTION_ST_H
 #define DIR_CONNECTION_ST_H
 
diff --git a/src/feature/dircommon/vote_timing_st.h b/src/feature/dircommon/vote_timing_st.h
index 814a325314..352a69b2dd 100644
--- a/src/feature/dircommon/vote_timing_st.h
+++ b/src/feature/dircommon/vote_timing_st.h
@@ -4,6 +4,11 @@
  * Copyright (c) 2007-2019, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
+/**
+ * @file vote_timing_st.h
+ * @brief Directory voting schedule structure.
+ **/
+
 #ifndef VOTE_TIMING_ST_H
 #define VOTE_TIMING_ST_H
 
@@ -21,4 +26,3 @@ struct vote_timing_t {
 };
 
 #endif /* !defined(VOTE_TIMING_ST_H) */
-