From c1ba47beee9c084e2a592e54dcda3f470e26ec47 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Fri, 25 Oct 2013 00:15:55 +0200
Subject: MixerAll, Volume: add "pure" attributes

---
 src/Volume.hxx | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/Volume.hxx')

diff --git a/src/Volume.hxx b/src/Volume.hxx
index 024b2840a..6b937aca3 100644
--- a/src/Volume.hxx
+++ b/src/Volume.hxx
@@ -20,12 +20,15 @@
 #ifndef MPD_VOLUME_HXX
 #define MPD_VOLUME_HXX
 
+#include "Compiler.h"
+
 #include <stdio.h>
 
 void volume_init(void);
 
 void volume_finish(void);
 
+gcc_pure
 int volume_level_get(void);
 
 bool volume_level_change(unsigned volume);
@@ -41,6 +44,7 @@ void save_sw_volume_state(FILE *fp);
  * determine whether the state has changed and the state file should
  * be saved.
  */
+gcc_pure
 unsigned
 sw_volume_state_get_hash(void);
 
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