From: Martin Ling <redacted>
Date: Wed, 4 Dec 2013 10:55:32 +0000 (+0000)
Subject: rigol-ds: Eliminate fixed-size buffer in set_cfg.
X-Git-Tag: libsigrok-0.3.0~489
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=4d7a9a14a3cfeb4cba2a9996ac1e11d9cecf70fa;p=libsigrok.git

rigol-ds: Eliminate fixed-size buffer in set_cfg.
---

diff --git a/hardware/rigol-ds/api.c b/hardware/rigol-ds/api.c
index 370d1f72..e578d5b9 100644
--- a/hardware/rigol-ds/api.c
+++ b/hardware/rigol-ds/api.c
@@ -192,12 +192,13 @@ static int dev_clear(void)
 static int set_cfg(const struct sr_dev_inst *sdi, const char *format, ...)
 {
 	va_list args;
-	char buf[256];
+	int ret;
 
 	va_start(args, format);
-	vsnprintf(buf, 255, format, args);
+	ret = sr_scpi_send_variadic(sdi->conn, format, args);
 	va_end(args);
-	if (sr_scpi_send(sdi->conn, buf) != SR_OK)
+
+	if (ret != SR_OK)
 		return SR_ERR;
 
 	/* When setting a bunch of parameters in a row, the DS1052E scrambles