diff options
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -5621,6 +5621,7 @@ io_new_instance(VALUE args) static void io_encoding_set(rb_io_t *fptr, int argc, VALUE v1, VALUE v2) { + if (NIL_P(v2)) argc = 1; if (argc == 2) { fptr->enc2 = rb_to_encoding(v1); fptr->enc = rb_to_encoding(v2); |