- return -1; /* FIXME */
- snprintf(ctx->header + strlen(ctx->header), 512, "%s\n", samplerate_s);
+ return SIGROK_ERR;
+ snprintf(ctx->header + strlen(ctx->header), 511 - strlen(ctx->header),
+ "Acquisition with %d/%d probes at %s\n", ctx->num_enabled_probes,
+ num_probes, samplerate_s);