Explicitly set the *data member of struct ohash_info to NULL.

It is never dereferenced, but it gets copied around, which worries
static analysis tools and might also confuse human auditors.
FreeBSD Coverity CID 1261298, 1261299, 1261300, reported by
Pedro Giffuni and Ulrich Spörlein <pfg@ and uqs@ at FreeBSD>.

1 files changed, 4 insertions, 2 deletions

diff --git a/mandocdb.c b/mandocdb.c
index fc5cdb85..65c786ae 100644
--- a/mandocdb.c
+++ b/mandocdb.c
@@ -1,4 +1,4 @@
-/*	$Id: mandocdb.c,v 1.180 2014/12/30 20:41:00 schwarze Exp $ */
+/*	$Id: mandocdb.c,v 1.181 2015/01/02 17:02:19 schwarze Exp $ */
 /*
  * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -350,7 +350,8 @@ mandocdb(int argc, char *argv[])
 
 	mpages_info.alloc  = mlinks_info.alloc  = hash_alloc;
 	mpages_info.calloc = mlinks_info.calloc = hash_calloc;
-	mpages_info.free  = mlinks_info.free  = hash_free;
+	mpages_info.free   = mlinks_info.free   = hash_free;
+	mpages_info.data   = mlinks_info.data   = NULL;
 
 	mpages_info.key_offset = offsetof(struct mpage, inodev);
 	mlinks_info.key_offset = offsetof(struct mlink, file);
@@ -1106,6 +1107,7 @@ mpages_merge(struct mparse *mp)
 	str_info.alloc = hash_alloc;
 	str_info.calloc = hash_calloc;
 	str_info.free = hash_free;
+	str_info.data = NULL;
 	str_info.key_offset = offsetof(struct str, key);
 
 	if ( ! nodb)