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string.c: infect match result

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* string.c (rb_pat_search): match result should be infected by the
  pattern.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45460 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-03-28 02:28:18 +00:00
parent 2f14bde88f
commit 9d1bf5b33a
3 changed files with 6 additions and 0 deletions
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1
re.c
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@ -1235,6 +1235,7 @@ match_set_string(VALUE m, VALUE string, long pos, long len)
rmatch->regs.beg[0] = pos;
rmatch->regs.end[0] = pos + len;
rmatch->char_offset_updated = 0;
OBJ_INFECT(match, string);
}
void

3
string.c
View file

@ -3895,8 +3895,11 @@ rb_pat_search(VALUE pat, VALUE str, long pos, int set_backref_str)
pos = rb_str_index(str, pat, pos);
if (set_backref_str) {
if (pos >= 0) {
VALUE match;
str = rb_str_new_frozen(str);
rb_backref_set_string(str, pos, RSTRING_LEN(pat));
match = rb_backref_get();
OBJ_INFECT(match, pat);
}
else {
rb_backref_set(Qnil);

2
test/ruby/test_string.rb
View file

@ -1156,6 +1156,8 @@ class TestString < Test::Unit::TestCase
/h/ =~ a
a.scan('x')
assert_nil($~)
assert_equal(3, S("hello hello hello").scan("hello".taint).count(&:tainted?))
end
def test_size