From: Timo Sirainen <tss@iki.fi>
Date: Thu, 23 Apr 2015 08:40:03 +0000 (+0300)
Subject: lib: iostream_rawlog_create_from_stream() now allows input or output to be NULL.
X-Git-Tag: 2.2.17.rc1~172
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc64b2b538099893e2c2dde103b5c5af1d05d6da;p=thirdparty%2Fdovecot%2Fcore.git

lib: iostream_rawlog_create_from_stream() now allows input or output to be NULL.
---

diff --git a/src/lib/iostream-rawlog.c b/src/lib/iostream-rawlog.c
index 435da5dd92..3f111e9278 100644
--- a/src/lib/iostream-rawlog.c
+++ b/src/lib/iostream-rawlog.c
@@ -285,13 +285,17 @@ void iostream_rawlog_create_from_stream(struct ostream *rawlog_output,
 	struct istream *old_input;
 	struct ostream *old_output;
 
-	old_input = *input;
-	old_output = *output;
+	if (input != NULL) {
+		old_input = *input;
+		*input = i_stream_create_rawlog_from_stream(old_input,
+				rawlog_output, rawlog_flags);
+		i_stream_unref(&old_input);
+	}
+	if (output != NULL) {
+		old_output = *output;
+		*output = o_stream_create_rawlog_from_stream(old_output,
+				rawlog_output, rawlog_flags);
+		o_stream_unref(&old_output);
+	}
 	o_stream_ref(rawlog_output);
-	*input = i_stream_create_rawlog_from_stream(old_input, rawlog_output,
-						    rawlog_flags);
-	*output = o_stream_create_rawlog_from_stream(old_output, rawlog_output,
-						     rawlog_flags);
-	i_stream_unref(&old_input);
-	o_stream_unref(&old_output);
 }