From ecb118f1edab572a904890eddafd3b11c0a79a79 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 8 Oct 2009 15:22:39 +0200
Subject: state_file: save only if something has changed

If nothing has changed since the last save, don't save the state
file.  Saving will spin up the hard drive, which is undesirable on
hosts where MPD is idling in background.
---
 src/volume.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/volume.c')

diff --git a/src/volume.c b/src/volume.c
index 5f4a66837..8b33f592d 100644
--- a/src/volume.c
+++ b/src/volume.c
@@ -122,3 +122,9 @@ void save_sw_volume_state(FILE *fp)
 {
 	fprintf(fp, SW_VOLUME_STATE "%u\n", volume_software_set);
 }
+
+unsigned
+sw_volume_state_get_hash(void)
+{
+	return volume_software_set;
+}
-- 
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