X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Ftransform%2Fnop.c;fp=src%2Ftransform%2Fnop.c;h=8de2f2d743019adc179a9aee11f71edca1e3998b;hb=39f1752eff0cde7eaedcc5ed950d56f4f244ea32;hp=0000000000000000000000000000000000000000;hpb=c0a1e532f57c0405621a06f5b360c1ef25aa4c52;p=libsigrok.git

diff --git a/src/transform/nop.c b/src/transform/nop.c
new file mode 100644
index 00000000..8de2f2d7
--- /dev/null
+++ b/src/transform/nop.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2015 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <string.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "transform/nop"
+
+static int receive(const struct sr_transform *t,
+		struct sr_datafeed_packet *packet_in,
+		struct sr_datafeed_packet **packet_out)
+{
+	if (!t || !t->sdi || !packet_in || !packet_out)
+		return SR_ERR_ARG;
+
+	/* Do nothing, just pass on packets unmodified. */
+	sr_spew("Received packet of type %d, passing on unmodified.", packet_in->type);
+	*packet_out = packet_in;
+
+	return SR_OK;
+}
+
+SR_PRIV struct sr_transform_module transform_nop = {
+	.id = "nop",
+	.name = "NOP",
+	.desc = "Do nothing",
+	.options = NULL,
+	.init = NULL,
+	.receive = receive,
+	.cleanup = NULL,
+};