+ }
+
+ *data_out = outbuf;
+ *length_out = strlen(outbuf);
+
+ return SR_OK;
+}
+
+struct sr_output_format output_gnuplot = {
+ .id = "gnuplot",
+ .description = "Gnuplot",
+ .df_type = SR_DF_LOGIC,
+ .init = init,
+ .data = data,
+ .event = event,
+};
+
+/* Temporarily disabled. */
+#if 0
+static int analog_init(struct sr_output *o)
+{
+ struct context *ctx;
+ struct sr_probe *probe;
+ GSList *l;
+ uint64_t samplerate;
+ unsigned int i;
+ int b, num_probes;
+ char *c, *frequency_s;
+ char wbuf[1000], comment[128];
+ time_t t;
+
+ if (!(ctx = calloc(1, sizeof(struct context))))
+ return SR_ERR_MALLOC;
+
+ if (!(ctx->header = calloc(1, MAX_HEADER_LEN + 1))) {
+ free(ctx);
+ return SR_ERR_MALLOC;
+ }
+
+ o->internal = ctx;
+ ctx->num_enabled_probes = 0;
+ for (l = o->device->probes; l; l = l->next) {
+ probe = l->data;
+ if (!probe->enabled)
+ continue;
+ ctx->probelist[ctx->num_enabled_probes++] = probe->name;
+ }
+ ctx->probelist[ctx->num_enabled_probes] = 0;
+// ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
+ ctx->unitsize = sizeof(struct sr_analog_sample) +
+ (ctx->num_enabled_probes * sizeof(struct sr_analog_probe));
+
+ num_probes = g_slist_length(o->device->probes);
+ comment[0] = '\0';
+ if (o->device->plugin && sr_device_has_hwcap(o->device, SR_HWCAP_SAMPLERATE)) {
+ samplerate = *((uint64_t *) o->device->plugin->get_device_info(
+ o->device->plugin_index, SR_DI_CUR_SAMPLERATE));
+ if (!(frequency_s = sr_samplerate_string(samplerate))) {
+ free(ctx->header);
+ free(ctx);
+ return SR_ERR;
+ }
+ snprintf(comment, 127, gnuplot_header_comment,
+ ctx->num_enabled_probes, num_probes, frequency_s);
+ free(frequency_s);
+ }
+
+ /* Columns / channels */
+ wbuf[0] = '\0';
+ for (i = 0; i < ctx->num_enabled_probes; i++) {
+ c = (char *)&wbuf + strlen((char *)&wbuf);
+ sprintf(c, "# %d\t\t%s\n", i + 1, ctx->probelist[i]);
+ }
+
+ if (!(frequency_s = sr_period_string(samplerate))) {
+ free(ctx->header);
+ free(ctx);
+ return SR_ERR;
+ }
+ t = time(NULL);
+ b = snprintf(ctx->header, MAX_HEADER_LEN, gnuplot_header,
+ PACKAGE_STRING, ctime(&t), comment, frequency_s,
+ (char *)&wbuf);
+ free(frequency_s);
+
+ if (b < 0) {
+ free(ctx->header);
+ free(ctx);
+ return SR_ERR;
+ }