diff options
Diffstat (limited to 'encoding.c')
| -rw-r--r-- | encoding.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/encoding.c b/encoding.c index 910768d56a..f802850f3b 100644 --- a/encoding.c +++ b/encoding.c @@ -905,6 +905,9 @@ enc_list(VALUE klass) * Encoding.find("US-ASCII") => #<Encoding:US-ASCII> * Encoding.find(:Shift_JIS) => #<Encoding:Shift_JIS> * + * An ArgumentError is raised when no encoding with <i>name</i>. + * Only +Encoding.find("internal")+ however returns nil when no encoding named "internal", + * in other words, when Ruby has no default internal encoding. */ static VALUE enc_find(VALUE klass, VALUE enc) @@ -1102,6 +1105,9 @@ get_default_external(VALUE klass) void rb_enc_set_default_external(VALUE encoding) { + if (NIL_P(encoding)) { + rb_raise(rb_eArgError, "default external can not be nil"); + } enc_set_default_encoding(&default_external, encoding, "external", ENCINDEX_US_ASCII); } @@ -1161,9 +1167,10 @@ rb_enc_set_default_internal(VALUE encoding) /* * call-seq: - * Encoding.default_internal = enc + * Encoding.default_internal = enc or nil * * Sets default internal encoding. + * Or removes default internal encoding when passed nil. */ static VALUE set_default_internal(VALUE klass, VALUE encoding) |