diff options
Diffstat (limited to 'encoding.c')
-rw-r--r-- | encoding.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/encoding.c b/encoding.c index ba83837f49..819ac54071 100644 --- a/encoding.c +++ b/encoding.c @@ -81,6 +81,9 @@ rb_to_encoding_index(VALUE enc) if (idx >= 0) { return idx; } + else if (NIL_P(enc = rb_check_string_type(enc))) { + return -1; + } else { return rb_enc_find_index(StringValueCStr(enc)); } |