diff options
Diffstat (limited to 'transcode.c')
| -rw-r--r-- | transcode.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/transcode.c b/transcode.c index 658a8769b..40db7c71a 100644 --- a/transcode.c +++ b/transcode.c @@ -1878,16 +1878,28 @@ str_transcode0(int argc, VALUE *argv, VALUE *self, rb_econv_option_t *ecopts) to_encidx = str_transcode_enc_args(str, argv[0], argc==1 ? Qnil : argv[1], &from_e, &from_enc, &to_e, &to_enc); - if (from_enc && from_enc == to_enc) { - return -1; - } - if (from_enc && to_enc && rb_enc_asciicompat(from_enc) && rb_enc_asciicompat(to_enc)) { - if (ENC_CODERANGE(str) == ENC_CODERANGE_7BIT) { - return to_encidx; - } + if ((ecopts->flags & (ECONV_UNIVERSAL_NEWLINE_DECODER| + ECONV_CRLF_NEWLINE_ENCODER| + ECONV_CR_NEWLINE_ENCODER)) == 0) { + if (from_enc && from_enc == to_enc) { + return -1; + } + if (from_enc && to_enc && rb_enc_asciicompat(from_enc) && rb_enc_asciicompat(to_enc)) { + if (ENC_CODERANGE(str) == ENC_CODERANGE_7BIT) { + return to_encidx; + } + } + if (encoding_equal(from_e, to_e)) { + return -1; + } } - if (encoding_equal(from_e, to_e)) { - return -1; + else { + if (encoding_equal(from_e, to_e)) { + /* newline conversion only. + * xxx: this assumes ascii compatible encoding. */ + from_e = ""; + to_e = ""; + } } fromp = sp = (unsigned char *)RSTRING_PTR(str); |