From b0e4827b9750edd358230890fdc671f378da9626 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sat, 5 Jan 2002 23:30:59 +0000
Subject: simple fix for creating blank data blobs (This used to be commit
 08bb2dfec2ca0282e9268d09da2b966d3bdf493a)

---
 source3/lib/util.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'source3/lib/util.c')

diff --git a/source3/lib/util.c b/source3/lib/util.c
index 63939e0ecf..3409124fe2 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -2098,17 +2098,22 @@ static void free_data_blob(DATA_BLOB *d)
 
 /*******************************************************************
  construct a data blob, must be freed with data_blob_free()
+ you can pass NULL for p and get a blank data blob
 *******************************************************************/
 DATA_BLOB data_blob(const void *p, size_t length)
 {
 	DATA_BLOB ret;
 
-	if (!p || !length) {
+	if (!length) {
 		ZERO_STRUCT(ret);
 		return ret;
 	}
 
-	ret.data = smb_xmemdup(p, length);
+	if (p) {
+		ret.data = smb_xmemdup(p, length);
+	} else {
+		ret.data = smb_xmalloc(length);
+	}
 	ret.length = length;
 	ret.free = free_data_blob;
 	return ret;
-- 
cgit