diff options
Diffstat (limited to 'ext/-test-/string/cstr.c')
-rw-r--r-- | ext/-test-/string/cstr.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ext/-test-/string/cstr.c b/ext/-test-/string/cstr.c index 7759cbdcf0..50214bb008 100644 --- a/ext/-test-/string/cstr.c +++ b/ext/-test-/string/cstr.c @@ -28,7 +28,15 @@ bug_str_cstr_term_char(VALUE str) rb_encoding *enc = rb_enc_get(str); RSTRING_GETMEM(str, s, len); - c = rb_enc_codepoint(&s[len], &s[len+rb_enc_mbminlen(enc)], enc); + s += len; + len = rb_enc_mbminlen(enc); + c = rb_enc_precise_mbclen(s, s + len, enc); + if (!MBCLEN_CHARFOUND_P(c)) { + c = (unsigned char)*s; + } + else { + c = rb_enc_mbc_to_codepoint(s, s + len, enc); + } return c ? rb_enc_uint_chr((unsigned int)c, enc) : Qnil; } |