+ gboolean matches;
+ gboolean skip_vendor, accept_trail;
+ const char *want;
+
+ if (!model)
+ return FALSE;
+
+ /*
+ * When the models[] entry contains a specific response text,
+ * then expect to see this very text in literal form. This
+ * lets the driver map weird and untypical responses to a
+ * specific set of display texts for vendor and model names.
+ */
+ if (model->id && model->id[0]) {
+ matches = g_strcmp0(model->id, id_text) == 0;
+ if (matches)
+ sr_dbg("Matches expected ID text: '%s'.", model->id);
+ return matches;
+ }
+
+ /*
+ * A more generic approach which covers most devices: Check
+ * for the very vendor and model names which also are shown
+ * to users (the display texts). Weakened to match responses
+ * more widely: Case insensitive checks, optional whitespace
+ * in responses, optional version details. Optional trailing
+ * garbage. Optional omission of the vendor name. Shall match
+ * all the devices which were individually listed in earlier
+ * implementations of the driver, and shall also match firmware
+ * versions that were not listed before.
+ */
+ skip_vendor = model->quirks & KORAD_QUIRK_ID_NO_VENDOR;
+ accept_trail = model->quirks & KORAD_QUIRK_ID_TRAILING;
+ if (!skip_vendor) {
+ want = model->vendor;
+ matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
+ if (!matches)
+ return FALSE;
+ id_text += strlen(want);
+ while (isspace((int)*id_text))
+ id_text++;
+ }
+ want = model->name;
+ matches = g_ascii_strncasecmp(id_text, want, strlen(want)) == 0;
+ if (!matches)
+ return FALSE;
+ id_text += strlen(want);
+ while (isspace((int)*id_text))
+ id_text++;
+ if (*id_text == 'V') {
+ /* TODO Isolate and (also) return version details? */
+ id_text++;
+ while (*id_text == '.' || isdigit((int)*id_text))
+ id_text++;
+ while (isspace((int)*id_text))
+ id_text++;
+ }
+ if (accept_trail) {
+ /*
+ * TODO Determine how many non-printables to accept here
+ * and how strict to check for "known" garbage variants.
+ */
+ switch (*id_text) {
+ case '\x01':
+ case '\xbc':
+ id_text++;
+ break;
+ case '\x00':
+ /* EMPTY */
+ break;
+ default:
+ return FALSE;
+ }
+ }
+ if (*id_text)
+ return FALSE;
+ sr_dbg("Matches generic '[vendor] model [vers] [trail]' pattern.");
+ return TRUE;