+
+/* Convert driver options hash to GSList of struct sr_config. */
+static GSList *hash_to_hwopt(GHashTable *hash)
+{
+ struct sr_config *src;
+ GList *gl, *keys;
+ GSList *opts;
+ char *key;
+
+ keys = g_hash_table_get_keys(hash);
+ opts = NULL;
+ for (gl = keys; gl; gl = gl->next) {
+ key = gl->data;
+ src = g_malloc(sizeof(struct sr_config));
+ if (opt_to_gvar(key, g_hash_table_lookup(hash, key), src) != 0)
+ return NULL;
+ opts = g_slist_append(opts, src);
+ }
+ g_list_free(keys);
+
+ return opts;
+}
+
+int parse_driver(char *arg, struct sr_dev_driver **driver, GSList **drvopts)
+{
+ struct sr_dev_driver **drivers;
+ GHashTable *drvargs;
+ int i;
+ char *drvname;
+
+ if (!arg)
+ return FALSE;
+
+ drvargs = parse_generic_arg(arg, TRUE);
+
+ drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
+ g_hash_table_remove(drvargs, "sigrok_key");
+ *driver = NULL;
+ drivers = sr_driver_list(sr_ctx);
+ for (i = 0; drivers[i]; i++) {
+ if (strcmp(drivers[i]->name, drvname))
+ continue;
+ *driver = drivers[i];
+ }
+ if (!*driver) {
+ g_critical("Driver %s not found.", drvname);
+ g_hash_table_destroy(drvargs);
+ g_free(drvname);
+ return FALSE;
+ }
+ g_free(drvname);
+ if (sr_driver_init(sr_ctx, *driver) != SR_OK) {
+ g_critical("Failed to initialize driver.");
+ g_hash_table_destroy(drvargs);
+ return FALSE;
+ }
+
+ if (drvopts) {
+ *drvopts = NULL;
+ if (g_hash_table_size(drvargs) > 0) {
+ if (!(*drvopts = hash_to_hwopt(drvargs))) {
+ /* Unknown options, already logged. */
+ g_hash_table_destroy(drvargs);
+ return FALSE;
+ }
+ }
+ }
+
+ g_hash_table_destroy(drvargs);
+
+ return TRUE;
+}