return r;
}
+
+int parse_mode(const char *s, mode_t *ret) {
+ char *x;
+ long l;
+
+ assert(s);
+ assert(ret);
+
+ errno = 0;
+ l = strtol(s, &x, 8);
+ if (errno != 0)
+ return -errno;
+
+ if (!x || x == s || *x)
+ return -EINVAL;
+ if (l < 0 || l > 07777)
+ return -ERANGE;
+
+ *ret = (mode_t) l;
+ return 0;
+}