From: Bert Vermeulen <redacted>
Date: Mon, 2 Sep 2013 09:28:22 +0000 (+0200)
Subject: Avoid trying to save to a file if there's nothing to save
X-Git-Tag: sigrok-cli-0.5.0~87
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=9eee58d8e29267d017a04bd97be64284eb487c1f;p=sigrok-cli.git

Avoid trying to save to a file if there's nothing to save

This works around the division by zero when trying to save analog
data.
---

diff --git a/sigrok-cli.c b/sigrok-cli.c
index 6dbc373..48a409d 100644
--- a/sigrok-cli.c
+++ b/sigrok-cli.c
@@ -943,7 +943,7 @@ static void datafeed_in(const struct sr_dev_inst *sdi,
 		if (outfile && outfile != stdout)
 			fclose(outfile);
 
-		if (opt_output_file && default_output_format) {
+		if (opt_output_file && default_output_format && savebuf->len) {
 			if (sr_session_save(opt_output_file, sdi, savebuf->data,
 					unitsize, savebuf->len / unitsize) != SR_OK)
 				g_critical("Failed to save session.");