diff options
Diffstat (limited to 'transcode.c')
| -rw-r--r-- | transcode.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/transcode.c b/transcode.c index 032059051..1c4b997fc 100644 --- a/transcode.c +++ b/transcode.c @@ -2026,17 +2026,27 @@ make_econv_exception(rb_econv_t *ec) } if (dumped == Qnil) dumped = rb_str_dump(bytes); - mesg = rb_sprintf("%s from %s to %s", - StringValueCStr(dumped), - ec->last_error.source_encoding, - ec->last_error.destination_encoding); if (strcmp(ec->last_error.source_encoding, - ec->source_encoding_name) != 0 || + ec->source_encoding_name) == 0 && strcmp(ec->last_error.destination_encoding, - ec->destination_encoding_name) != 0) { - rb_str_catf(mesg, " in conversion from %s to %s", - ec->source_encoding_name, - ec->destination_encoding_name); + ec->destination_encoding_name) == 0) { + mesg = rb_sprintf("%s from %s to %s", + StringValueCStr(dumped), + ec->last_error.source_encoding, + ec->last_error.destination_encoding); + } + else { + int i; + mesg = rb_sprintf("%s to %s in conversion from %s", + StringValueCStr(dumped), + ec->last_error.destination_encoding, + ec->source_encoding_name); + for (i = 0; i < ec->num_trans; i++) { + const rb_transcoder *tr = ec->elems[i].tc->transcoder; + if (!DECORATOR_P(tr->src_encoding, tr->dst_encoding)) + rb_str_catf(mesg, " to %s", + ec->elems[i].tc->transcoder->dst_encoding); + } } exc = rb_exc_new3(rb_eUndefinedConversionError, mesg); idx = rb_enc_find_index(ec->last_error.source_encoding); |