Backport recent changes from mainline.

[libsigrok.git] / src / input / null.c

diff --git a/src/input/null.c b/src/input/null.c
new file mode 100644 (file)
index 0000000..031b553
--- /dev/null
+++ b/src/input/null.c
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2018 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "input/null"
+
+static int init(struct sr_input *in, GHashTable *options)
+{
+       (void)in;
+       (void)options;
+
+       return SR_OK;
+}
+
+static int receive(struct sr_input *in, GString *buf)
+{
+       (void)in;
+       (void)buf;
+
+       return SR_OK;
+}
+
+static int end(struct sr_input *in)
+{
+       (void)in;
+
+       return SR_OK;
+}
+
+SR_PRIV struct sr_input_module input_null = {
+       .id = "null",
+       .name = "Null",
+       .desc = "Null input (discards all input)",
+       .exts = NULL,
+       .options = NULL,
+       .init = init,
+       .receive = receive,
+       .end = end,
+       .reset = NULL,
+};