From: Vito Caputo <vcaputo@gnugeneration.com>
Date: Wed, 28 Sep 2016 05:35:48 +0000 (-0700)
Subject: journal: add stdout_stream_scan() comment (#4102)
X-Git-Tag: v232~180
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=95cbb83c2061237bfd3760c470f6c91cf3ec069b;p=thirdparty%2Fsystemd.git

journal: add stdout_stream_scan() comment (#4102)

When s->length is zero this function doesn't do anything, note that in a
comment.
---

diff --git a/src/journal/journald-stream.c b/src/journal/journald-stream.c
index 4ad16ee41ca..bc092f3c126 100644
--- a/src/journal/journald-stream.c
+++ b/src/journal/journald-stream.c
@@ -393,6 +393,9 @@ static int stdout_stream_scan(StdoutStream *s, bool force_flush) {
 
         p = s->buffer;
         remaining = s->length;
+
+        /* XXX: This function does nothing if (s->length == 0) */
+
         for (;;) {
                 char *end;
                 size_t skip;