diff options
Diffstat (limited to 'transcode.c')
-rw-r--r-- | transcode.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/transcode.c b/transcode.c index 478b52ae53..ce0a670128 100644 --- a/transcode.c +++ b/transcode.c @@ -1263,24 +1263,29 @@ check_econv(VALUE self) } static VALUE -econv_primitive_convert(VALUE self, VALUE input, VALUE output, VALUE flags_v) +econv_primitive_convert(VALUE self, VALUE input, VALUE output, VALUE output_size_v, VALUE flags_v) { rb_trans_t *ts = check_econv(self); rb_trans_result_t res; const unsigned char *ip, *is; unsigned char *op, *os; + long output_size; int flags; - StringValue(input); + output_size = NUM2LONG(output_size_v); + flags = NUM2INT(flags_v); StringValue(output); + StringValue(input); rb_str_modify(output); - flags = NUM2INT(flags_v); + + if (rb_str_capacity(output) < output_size) + rb_str_resize(output, output_size); ip = (const unsigned char *)RSTRING_PTR(input); is = ip + RSTRING_LEN(input); op = (unsigned char *)RSTRING_PTR(output); - os = op + RSTRING_LEN(output); + os = op + output_size; res = rb_trans_conv(ts, &ip, is, &op, os, flags); rb_str_set_len(output, op-(unsigned char *)RSTRING_PTR(output)); @@ -1325,7 +1330,7 @@ Init_transcode(void) rb_cEncodingConverter = rb_define_class_under(rb_cEncoding, "Converter", rb_cData); rb_define_alloc_func(rb_cEncodingConverter, econv_s_allocate); rb_define_method(rb_cEncodingConverter, "initialize", econv_init, 2); - rb_define_method(rb_cEncodingConverter, "primitive_convert", econv_primitive_convert, 3); + rb_define_method(rb_cEncodingConverter, "primitive_convert", econv_primitive_convert, 4); rb_define_method(rb_cEncodingConverter, "max_output", econv_max_output, 0); rb_define_const(rb_cEncodingConverter, "PARTIAL_INPUT", INT2FIX(PARTIAL_INPUT)); } |