+} /* }}} int config_set_string */
+
+static int config_set_boolean (int *ret_boolean, /* {{{ */
+ oconfig_item_t *ci)
+{
+ if ((ci->values_num != 1)
+ || ((ci->values[0].type != OCONFIG_TYPE_BOOLEAN)
+ && (ci->values[0].type != OCONFIG_TYPE_STRING)))
+ {
+ WARNING ("apache plugin: The `%s' config option "
+ "needs exactly one boolean argument.", ci->key);
+ return (-1);
+ }
+
+ if (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)
+ {
+ if (ci->values[0].value.boolean)
+ *ret_boolean = 1;
+ else
+ *ret_boolean = 0;
+ }
+ else /* if (ci->values[0].type != OCONFIG_TYPE_STRING) */
+ {
+ char *string = ci->values[0].value.string;
+ if (IS_TRUE (string))
+ *ret_boolean = 1;
+ else if (IS_FALSE (string))
+ *ret_boolean = 0;
+ else
+ {
+ ERROR ("apache plugin: Cannot parse string "
+ "as boolean value: %s", string);
+ return (-1);
+ }
+ }
+
+ return (0);
+} /* }}} int config_set_boolean */