+ /* If ENV_NAME_FORCE_WRITE is set and not empty, allow writes to a non-tty
+ * device. Use with care! Mainly used for the test suite. */
+ env = getenv(ENV_NAME_FORCE_WRITE);
+ if (env && env[0] != '\0') {
+ force_write_to_non_tty = 1;
+ }
+
+ env = getenv(ENV_NAME_FDS);