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| author | Marshall Clow <mclow.lists@gmail.com> | 2015-07-23 18:27:51 +0000 |
|---|---|---|
| committer | Marshall Clow <mclow.lists@gmail.com> | 2015-07-23 18:27:51 +0000 |
| commit | 983d17810811cdac0ff475049451f48a6da5cb25 (patch) | |
| tree | 76e5899d25d56ed236d56f7fdbec9e25ff69d335 /libcxx/include/regex | |
| parent | 3f07e7b06363bf88d70bd89b8d45eabf64caf2b3 (diff) | |
| download | bcm5719-llvm-983d17810811cdac0ff475049451f48a6da5cb25.tar.gz bcm5719-llvm-983d17810811cdac0ff475049451f48a6da5cb25.zip | |
Detect and throw on a class of bad regexes that we mistakenly accepted before. Thanks to Trevor Smigiel for the report
llvm-svn: 243030
Diffstat (limited to 'libcxx/include/regex')
| -rw-r--r-- | libcxx/include/regex | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libcxx/include/regex b/libcxx/include/regex index 6ac5e1da8c2..698278c6014 100644 --- a/libcxx/include/regex +++ b/libcxx/include/regex @@ -4305,6 +4305,14 @@ basic_regex<_CharT, _Traits>::__parse_atom(_ForwardIterator __first, } } break; + case '*': + case '+': + case '?': + case '{': +#ifndef _LIBCPP_NO_EXCEPTIONS + throw regex_error(regex_constants::error_badrepeat); +#endif + break; default: __first = __parse_pattern_character(__first, __last); break; |
