diff options
| -rw-r--r-- | encoding.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/encoding.c b/encoding.c index 1ede6a677c..a0be931c97 100644 --- a/encoding.c +++ b/encoding.c @@ -1543,7 +1543,14 @@ enc_set_default_encoding(struct default_encoding *def, VALUE encoding, const cha if (NIL_P(encoding)) { def->index = -1; def->enc = 0; - st_insert(enc_table->names, (st_data_t)strdup(name), + char *name_dup = strdup(name); + + st_data_t existing_name = (st_data_t)name_dup; + if (st_delete(enc_table->names, &existing_name, NULL)) { + xfree((void *)existing_name); + } + + st_insert(enc_table->names, (st_data_t)name_dup, (st_data_t)UNSPECIFIED_ENCODING); } else { |