From 7ce297be592584ad1b90482290753c97a52d31a7 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Tue, 29 Mar 2016 19:32:39 +0200
Subject: [PATCH] sdlog2: add logbuffer_reset to reset pointers

This allows resetting of the logbuffer without having to free and malloc
again.
---
 src/modules/sdlog2/logbuffer.c | 7 +++++++
 src/modules/sdlog2/logbuffer.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/src/modules/sdlog2/logbuffer.c b/src/modules/sdlog2/logbuffer.c
index 7ec33c8aef..9908b574a0 100644
--- a/src/modules/sdlog2/logbuffer.c
+++ b/src/modules/sdlog2/logbuffer.c
@@ -156,3 +156,10 @@ void logbuffer_free(struct logbuffer_s *lb)
 		perf_free(lb->perf_dropped);
 	}
 }
+
+void logbuffer_reset(struct logbuffer_s *lb)
+{
+	// Keep the buffer but reset the pointers.
+	lb->write_ptr = 0;
+	lb->read_ptr = 0;
+}
diff --git a/src/modules/sdlog2/logbuffer.h b/src/modules/sdlog2/logbuffer.h
index dd17f74de3..b6503568cd 100644
--- a/src/modules/sdlog2/logbuffer.h
+++ b/src/modules/sdlog2/logbuffer.h
@@ -69,4 +69,6 @@ void logbuffer_mark_read(struct logbuffer_s *lb, int n);
 
 void logbuffer_free(struct logbuffer_s *lb);
 
+void logbuffer_reset(struct logbuffer_s *lb);
+
 #endif