diff options
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -4712,6 +4712,10 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) int singlebyte = single_byte_optimizable(str); int cr; +#define CHECK_IF_ASCII(c) \ + (void)((cr == ENC_CODERANGE_7BIT && !rb_isascii(c)) ? \ + (cr = ENC_CODERANGE_VALID) : 0) + StringValue(src); StringValue(repl); if (RSTRING_LEN(str) == 0 || !RSTRING_PTR(str)) return Qnil; @@ -4783,6 +4787,8 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) } } + if (cr == ENC_CODERANGE_VALID) + cr = ENC_CODERANGE_7BIT; str_modify_keep_cr(str); s = RSTRING_PTR(str); send = RSTRING_END(str); if (sflag) { @@ -4813,7 +4819,10 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) c = errc; } if (c != -1) { - if (save == c) continue; + if (save == c) { + CHECK_IF_ASCII(c); + continue; + } save = c; tlen = rb_enc_codelen(c, enc); modify = 1; @@ -4833,6 +4842,7 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) if (may_modify && memcmp(s, t, tlen) != 0) { modify = 1; } + CHECK_IF_ASCII(c); t += tlen; } *t = '\0'; @@ -4855,6 +4865,7 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) modify = 1; } } + CHECK_IF_ASCII(c); s++; } } @@ -4904,6 +4915,7 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) modify = 1; } } + CHECK_IF_ASCII(c); s += clen; t += tlen; } @@ -4918,7 +4930,6 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag) } if (modify) { - cr = ENC_CODERANGE_AND(cr, ENC_CODERANGE(repl)); if (cr != ENC_CODERANGE_BROKEN) ENC_CODERANGE_SET(str, cr); rb_enc_associate(str, enc); |