From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Sat, 5 Mar 2016 21:32:40 +0000 (+0100)
Subject: sigrok plugin: constify
X-Git-Tag: collectd-5.6.0~407
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=a9975ca14478a467505d71ea0d491cea782f4c3b;p=collectd.git

sigrok plugin: constify
---

diff --git a/src/sigrok.c b/src/sigrok.c
index 487f31a1..ad5c70c0 100644
--- a/src/sigrok.c
+++ b/src/sigrok.c
@@ -136,9 +136,9 @@ static int sigrok_config(oconfig_item_t *ci)
 	return 0;
 }
 
-static char *sigrok_value_type(const struct sr_datafeed_analog *analog)
+static const char *sigrok_value_type(const struct sr_datafeed_analog *analog)
 {
-	char *s;
+	const char *s;
 
 	if (analog->mq == SR_MQ_VOLTAGE)
 		s = "voltage";