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re.c: fix name with NUL

* re.c (match_aref): should not ignore name after NUL byte.
  [ruby-dev:48275] [Bug #9902]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46344 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-06-04 12:23:57 +00:00
parent 161a0df797
commit 561fe11035
3 changed files with 24 additions and 7 deletions

View file

@ -1,3 +1,8 @@
Wed Jun 4 21:23:52 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* re.c (match_aref): should not ignore name after NUL byte.
[ruby-dev:48275] [Bug #9902]
Wed Jun 4 04:08:37 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* vm.c (core_hash_merge_kwd): should return the result hash, which

10
re.c
View file

@ -1796,17 +1796,13 @@ match_aref(int argc, VALUE *argv, VALUE match)
switch (TYPE(idx)) {
case T_SYMBOL:
p = rb_id2name(SYM2ID(idx));
goto name_to_backref;
break;
idx = rb_sym2str(idx);
/* fall through */
case T_STRING:
p = StringValuePtr(idx);
name_to_backref:
num = name_to_backref_number(RMATCH_REGS(match),
RMATCH(match)->regexp, p, p + strlen(p));
RMATCH(match)->regexp, p, p + RSTRING_LEN(idx));
return rb_reg_nth_match(num, match);
break;
default:
break;

View file

@ -142,6 +142,22 @@ class TestRegexp < Test::Unit::TestCase
assert_equal("fbazo", s)
end
def test_named_capture_with_nul
bug9902 = '[ruby-dev:48275] [Bug #9902]'
m = /(?<a>.*)/.match("foo")
assert_raise(IndexError, bug9902) {m["a\0foo"]}
assert_raise(IndexError, bug9902) {m["a\0foo".to_sym]}
m = Regexp.new("(?<foo\0bar>.*)").match("xxx")
assert_raise(IndexError, bug9902) {m["foo"]}
assert_raise(IndexError, bug9902) {m["foo".to_sym]}
assert_nothing_raised(IndexError, bug9902) {
assert_equal("xxx", m["foo\0bar"], bug9902)
assert_equal("xxx", m["foo\0bar".to_sym], bug9902)
}
end
def test_assign_named_capture
assert_equal("a", eval('/(?<foo>.)/ =~ "a"; foo'))
assert_equal("a", eval('foo = 1; /(?<foo>.)/ =~ "a"; foo'))