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| author | Tim Shen <timshen91@gmail.com> | 2013-08-16 09:06:31 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2013-08-16 09:06:31 +0000 |
| commit | 5073d50905684dc9069c9e047ed00335450bfe47 (patch) | |
| tree | 4f95f8cb1172f1e24794a063ba9c7dc4460e666a /libstdc++-v3 | |
| parent | 639dc669ec1690bc413131c177d50e3b5c5924c9 (diff) | |
| download | gcc-5073d50905684dc9069c9e047ed00335450bfe47.zip gcc-5073d50905684dc9069c9e047ed00335450bfe47.tar.gz gcc-5073d50905684dc9069c9e047ed00335450bfe47.tar.bz2 | |
regex.h (regex_traits<>::transform_primary): Avoid past-the-end dereferences.
2013-08-16 Tim Shen <timshen91@gmail.com>
* include/bits/regex.h (regex_traits<>::transform_primary):
Avoid past-the-end dereferences.
From-SVN: r201783
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
| -rw-r--r-- | libstdc++-v3/include/bits/regex.h | 21 |
2 files changed, 12 insertions, 14 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 8fea147..0c1cb43 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2013-08-16 Tim Shen <timshen91@gmail.com> + + * include/bits/regex.h (regex_traits<>::transform_primary): + Avoid past-the-end dereferences. + 2013-08-14 Paolo Carlini <paolo.carlini@oracle.com> PR libstdc++/58163 diff --git a/libstdc++-v3/include/bits/regex.h b/libstdc++-v3/include/bits/regex.h index 2776749..8fa979f 100644 --- a/libstdc++-v3/include/bits/regex.h +++ b/libstdc++-v3/include/bits/regex.h @@ -220,19 +220,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION string_type transform_primary(_Fwd_iter __first, _Fwd_iter __last) const { - __try - { - typedef std::ctype<char_type> __ctype_type; - const __ctype_type& __fctyp(use_facet<__ctype_type>(_M_locale)); - std::vector<char_type> __v(__first, __last); - // FIXME : this is not entirely correct - __fctyp.tolower(&*__v.begin(), &*__v.end()); - return this->transform(&*__v.begin(), &*__v.end()); - } - __catch (std::bad_cast) - { - } - return string_type(); + typedef std::ctype<char_type> __ctype_type; + const __ctype_type& __fctyp(use_facet<__ctype_type>(_M_locale)); + std::vector<char_type> __s(__first, __last); + // FIXME : this is not entirely correct + __fctyp.tolower(__s.data(), __s.data() + __s.size()); + return this->transform(__s.data(), __s.data() + __s.size()); } /** @@ -572,7 +565,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION std::string __s(__last - __first, '?'); __fctyp.narrow(__first, __last, '?', &__s[0]); - __cctyp.tolower(&*__s.begin(), &*__s.end()); + __cctyp.tolower(&*__s.begin(), &*__s.begin() + __s.size()); for (_ClassnameEntry* __it = __classnames; __it < *(&__classnames + 1); ++__it) |