+SR_PRIV const GVariantType *sr_variant_type_get(int datatype)
+{
+ switch (datatype) {
+ case SR_T_INT32:
+ return G_VARIANT_TYPE_INT32;
+ case SR_T_UINT64:
+ return G_VARIANT_TYPE_UINT64;
+ case SR_T_STRING:
+ return G_VARIANT_TYPE_STRING;
+ case SR_T_BOOL:
+ return G_VARIANT_TYPE_BOOLEAN;
+ case SR_T_FLOAT:
+ return G_VARIANT_TYPE_DOUBLE;
+ case SR_T_RATIONAL_PERIOD:
+ case SR_T_RATIONAL_VOLT:
+ case SR_T_UINT64_RANGE:
+ case SR_T_DOUBLE_RANGE:
+ return G_VARIANT_TYPE_TUPLE;
+ case SR_T_KEYVALUE:
+ return G_VARIANT_TYPE_DICTIONARY;
+ default:
+ return NULL;
+ }
+}
+
+SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *value)
+{
+ const struct sr_config_info *info;
+ const GVariantType *type, *expected;
+ char *expected_string, *type_string;
+
+ info = sr_config_info_get(key);
+ if (!info)
+ return SR_OK;
+
+ expected = sr_variant_type_get(info->datatype);
+ type = g_variant_get_type(value);
+ if (!g_variant_type_equal(type, expected)
+ && !g_variant_type_is_subtype_of(type, expected)) {
+ expected_string = g_variant_type_dup_string(expected);
+ type_string = g_variant_type_dup_string(type);
+ sr_err("Wrong variant type for key '%s': expected '%s', got '%s'",
+ info->name, expected_string, type_string);
+ g_free(expected_string);
+ g_free(type_string);
+ return SR_ERR_ARG;
+ }
+
+ return SR_OK;
+}
+