From: Aurelien Jacobs <redacted>
Date: Tue, 14 Jan 2014 21:59:33 +0000 (+0100)
Subject: gnuplot: proper error message when using gnuplot output without logic probe
X-Git-Tag: libsigrok-0.3.0~287
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=365cca8aca560bdc3c5443a732e8d2620821a450;p=libsigrok.git

gnuplot: proper error message when using gnuplot output without logic probe
---

diff --git a/output/gnuplot.c b/output/gnuplot.c
index 27a764c8..cadd4fa3 100644
--- a/output/gnuplot.c
+++ b/output/gnuplot.c
@@ -86,6 +86,11 @@ static int init(struct sr_output *o)
 			continue;
 		ctx->num_enabled_probes++;
 	}
+	if (ctx->num_enabled_probes <= 0) {
+		sr_err("%s: no logic probe enabled", __func__);
+		return SR_ERR;
+	}
+
 	ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
 
 	num_probes = g_slist_length(o->sdi->probes);