+/*
+ * Check the channel list for consistency across file re-import. See
+ * the VCD input module for more details and motivation.
+ */
+
+static void keep_header_for_reread(const struct sr_input *in)
+{
+ struct context *inc;
+
+ inc = in->priv;
+ g_slist_free_full(inc->prev_sr_channels, sr_channel_free_cb);
+ inc->prev_sr_channels = in->sdi->channels;
+ in->sdi->channels = NULL;
+}
+
+static int check_header_in_reread(const struct sr_input *in)
+{
+ struct context *inc;
+
+ if (!in)
+ return FALSE;
+ inc = in->priv;
+ if (!inc)
+ return FALSE;
+ if (!inc->prev_sr_channels)
+ return TRUE;
+
+ if (sr_channel_lists_differ(inc->prev_sr_channels, in->sdi->channels)) {
+ sr_err("Channel list change not supported for file re-read.");
+ return FALSE;
+ }
+ g_slist_free_full(in->sdi->channels, sr_channel_free_cb);
+ in->sdi->channels = inc->prev_sr_channels;
+ inc->prev_sr_channels = NULL;
+
+ return TRUE;
+}
+
+static int receive(struct sr_input *in, GString *buf)