diff options
Diffstat (limited to 'ext/psych/parser.c')
-rw-r--r-- | ext/psych/parser.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/psych/parser.c b/ext/psych/parser.c index 41260ab6f5..c8b92a0fcd 100644 --- a/ext/psych/parser.c +++ b/ext/psych/parser.c @@ -293,8 +293,15 @@ static VALUE parse(VALUE self, VALUE yaml) static VALUE set_external_encoding(VALUE self, VALUE encoding) { yaml_parser_t * parser; + VALUE exception; Data_Get_Struct(self, yaml_parser_t, parser); + + if(parser->encoding) { + exception = rb_const_get_at(mPsych, rb_intern("Exception")); + rb_raise(exception, "don't set the encoding twice!"); + } + yaml_parser_set_encoding(parser, NUM2INT(encoding)); return encoding; |