Function loadfile

libsigrok4DSL/input/in_vcd.c:562–608

}

static int loadfile(struct sr_input *in, const char *filename)
{
	struct sr_datafeed_packet packet;
	struct sr_datafeed_meta meta;
	struct sr_config *src;
	FILE *file;
	struct context *ctx;
	uint64_t samplerate;

	ctx = in->internal;
    packet.status = SR_PKT_OK;

    if ((file = fopen(filename, "r")) == NULL)
		return SR_ERR;

	if (!parse_header(file, ctx))
	{
		sr_err("VCD parsing failed");
		fclose(file);
		return SR_ERR;
	}

	/* Send header packet to the session bus. */
	std_session_send_df_header(in->sdi, LOG_PREFIX);

	/* Send metadata about the SR_DF_LOGIC packets to come. */
	packet.type = SR_DF_META;
	packet.payload = &meta;
	samplerate = ctx->samplerate / ctx->downsample;
	src = sr_config_new(SR_CONF_SAMPLERATE, g_variant_new_uint64(samplerate));
	meta.config = g_slist_append(NULL, src);
	ds_data_forward(in->sdi, &packet);
	sr_config_free(src);

	/* Parse the contents of the VCD file */
	parse_contents(file, in->sdi, ctx);
	
	/* Send end packet to the session bus. */
	packet.type = SR_DF_END;
	ds_data_forward(in->sdi, &packet);

	fclose(file);
	release_context(ctx);
	in->internal = NULL;

	return SR_OK;
}

SR_PRIV struct sr_input_format input_vcd = {
	.id = "vcd",