diff options
Diffstat (limited to 'src/compat/glibcxx_compat.cpp')
-rw-r--r-- | src/compat/glibcxx_compat.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/compat/glibcxx_compat.cpp b/src/compat/glibcxx_compat.cpp new file mode 100644 index 0000000000..6e04f67459 --- /dev/null +++ b/src/compat/glibcxx_compat.cpp @@ -0,0 +1,80 @@ +#include <cstddef> +#include <istream> +#include <stdexcept> +#include <typeinfo> + +#ifndef _GLIBCXX_USE_NOEXCEPT + #define _GLIBCXX_USE_NOEXCEPT throw() +#endif + +namespace std { + +const char* bad_exception::what() const throw() +{ + return "std::bad_exception"; +} + +const char* bad_cast::what() const throw() +{ + return "std::bad_cast"; +} + +const char* bad_alloc::what() const throw() +{ + return "std::bad_alloc"; +} + +namespace __detail +{ +struct _List_node_base +{ + void _M_hook(std::__detail::_List_node_base* const __position) throw () __attribute__((used)) + { + _M_next = __position; + _M_prev = __position->_M_prev; + __position->_M_prev->_M_next = this; + __position->_M_prev = this; + } + void _M_unhook() __attribute__((used)) + { + _List_node_base* const __next_node = _M_next; + _List_node_base* const __prev_node = _M_prev; + __prev_node->_M_next = __next_node; + __next_node->_M_prev = __prev_node; + } + _List_node_base* _M_next; + _List_node_base* _M_prev; +}; +} // namespace detail + +template ostream& ostream::_M_insert(bool); +template ostream& ostream::_M_insert(long); +template ostream& ostream::_M_insert(double); +template ostream& ostream::_M_insert(unsigned long); +template ostream& ostream::_M_insert(const void*); +template ostream& __ostream_insert(ostream&, const char*, streamsize); +template istream& istream::_M_extract(long&); +template istream& istream::_M_extract(unsigned short&); + +out_of_range::~out_of_range() _GLIBCXX_USE_NOEXCEPT { } + +// Used with permission. +// See: https://github.com/madlib/madlib/commit/c3db418c0d34d6813608f2137fef1012ce03043d + +void +ctype<char>::_M_widen_init() const { + char __tmp[sizeof(_M_widen)]; + for (unsigned __i = 0; __i < sizeof(_M_widen); ++__i) + __tmp[__i] = __i; + do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen); + + _M_widen_ok = 1; + // Set _M_widen_ok to 2 if memcpy can't be used. + for (unsigned __i = 0; __i < sizeof(_M_widen); ++__i) + if (__tmp[__i] != _M_widen[__i]) { + _M_widen_ok = 2; + break; + } +} + +}// namespace std |