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merge revision(s) 49402,49403,49414:

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cstr.c: get rid of exception

	* ext/-test-/string/cstr.c (bug_str_cstr_term_char): get rid of
  invalid byte sequence exception.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2015-02-19 08:32:27 +00:00
parent 3b888aeded
commit 964a1b683a
2 changed files with 20 additions and 3 deletions
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21
ext/-test-/string/cstr.c
View file

@ -28,8 +28,24 @@ 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);
return c ? rb_enc_uint_chr((unsigned int)c, enc) : Qnil;
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);
if (!c) return Qnil;
}
return rb_enc_uint_chr((unsigned int)c, enc);
}
static VALUE
bug_str_s_cstr_term_char(VALUE self, VALUE str)
{
Check_Type(str, T_STRING);
return bug_str_cstr_term_char(str);
}
void
@ -37,4 +53,5 @@ Init_cstr(VALUE klass)
{
rb_define_method(klass, "cstr_term", bug_str_cstr_term, 0);
rb_define_method(klass, "cstr_term_char", bug_str_cstr_term_char, 0);
rb_define_singleton_method(klass, "cstr_term_char", bug_str_s_cstr_term_char, 1);
}