From: Bert Vermeulen <redacted>
Date: Mon, 4 Feb 2013 12:36:23 +0000 (+0100)
Subject: properly deal with decimals
X-Git-Tag: dsupstream~269
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=d5a669a9e0319531595a8a45b6c21f0c316a24f1;p=libsigrok.git

properly deal with decimals
---

diff --git a/strutil.c b/strutil.c
index f22cd59c..ad9f6497 100644
--- a/strutil.c
+++ b/strutil.c
@@ -165,8 +165,8 @@ SR_API char *sr_period_string(uint64_t frequency)
  */
 SR_API char *sr_voltage_string(struct sr_rational *voltage)
 {
-	char *o;
 	int r;
+	char *o;
 
 	if (!(o = g_try_malloc0(30 + 1))) {
 		sr_err("%s: o malloc failed", __func__);
@@ -178,7 +178,7 @@ SR_API char *sr_voltage_string(struct sr_rational *voltage)
 	else if (voltage->q == 1)
 		r = snprintf(o, 30, "%" PRIu64 "V", voltage->p);
 	else
-		r = -1;
+		r = snprintf(o, 30, "%gV", (float)voltage->p / (float)voltage->q);
 
 	if (r < 0) {
 		/* Something went wrong... */