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string.c: GC guard

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* string.c (rb_str_enumerate_chars): prevent shared copy from GC.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38615 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-12-25 22:31:16 +00:00
parent 5a7347a7bd
commit c8484fb322
2 changed files with 12 additions and 4 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Dec 26 07:31:14 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (rb_str_enumerate_chars): prevent shared copy from GC.
Wed Dec 26 01:31:16 2012 Keiju Ishitsuka <keiju@ishitsuka.com>
* lib/irb/init.rb, lib/irb/context.rb: fix conf.debug_level=

12
string.c
View File

@ -6389,6 +6389,7 @@ static VALUE
rb_str_enumerate_chars(VALUE str, int wantarray)
{
VALUE orig = str;
VALUE substr;
long i, len, n;
const char *ptr;
rb_encoding *enc;
@ -6421,21 +6422,24 @@ rb_str_enumerate_chars(VALUE str, int wantarray)
case ENC_CODERANGE_7BIT:
for (i = 0; i < len; i += n) {
n = rb_enc_fast_mbclen(ptr + i, ptr + len, enc);
substr = rb_str_subseq(str, i, n);
if (wantarray)
rb_ary_push(ary, rb_str_subseq(str, i, n));
rb_ary_push(ary, substr);
else
rb_yield(rb_str_subseq(str, i, n));
rb_yield(substr);
}
break;
default:
for (i = 0; i < len; i += n) {
n = rb_enc_mbclen(ptr + i, ptr + len, enc);
substr = rb_str_subseq(str, i, n);
if (wantarray)
rb_ary_push(ary, rb_str_subseq(str, i, n));
rb_ary_push(ary, substr);
else
rb_yield(rb_str_subseq(str, i, n));
rb_yield(substr);
}
}
RB_GC_GUARD(str);
if (wantarray)
return ary;
else