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Diffstat (limited to 'contrib/libstdc++/stl/stl_tempbuf.h')
| -rw-r--r-- | contrib/libstdc++/stl/stl_tempbuf.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/contrib/libstdc++/stl/stl_tempbuf.h b/contrib/libstdc++/stl/stl_tempbuf.h deleted file mode 100644 index e1b2ead..0000000 --- a/contrib/libstdc++/stl/stl_tempbuf.h +++ /dev/null @@ -1,156 +0,0 @@ -/* - * - * Copyright (c) 1994 - * Hewlett-Packard Company - * - * Permission to use, copy, modify, distribute and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear - * in supporting documentation. Hewlett-Packard Company makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - * - * - * Copyright (c) 1996,1997 - * Silicon Graphics Computer Systems, Inc. - * - * Permission to use, copy, modify, distribute and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and - * that both that copyright notice and this permission notice appear - * in supporting documentation. Silicon Graphics makes no - * representations about the suitability of this software for any - * purpose. It is provided "as is" without express or implied warranty. - */ - -/* NOTE: This is an internal header file, included by other STL headers. - * You should not attempt to use it directly. - */ - -#ifndef __SGI_STL_INTERNAL_TEMPBUF_H -#define __SGI_STL_INTERNAL_TEMPBUF_H - - -__STL_BEGIN_NAMESPACE - -template <class _Tp> -pair<_Tp*, ptrdiff_t> -__get_temporary_buffer(ptrdiff_t __len, _Tp*) -{ - if (__len > ptrdiff_t(INT_MAX / sizeof(_Tp))) - __len = INT_MAX / sizeof(_Tp); - - while (__len > 0) { - _Tp* __tmp = (_Tp*) malloc((size_t)__len * sizeof(_Tp)); - if (__tmp != 0) - return pair<_Tp*, ptrdiff_t>(__tmp, __len); - __len /= 2; - } - - return pair<_Tp*, ptrdiff_t>((_Tp*)0, 0); -} - -#ifdef __STL_EXPLICIT_FUNCTION_TMPL_ARGS - -template <class _Tp> -inline pair<_Tp*, ptrdiff_t> get_temporary_buffer(ptrdiff_t __len) { - return __get_temporary_buffer(__len, (_Tp*) 0); -} - -#endif /* __STL_EXPLICIT_FUNCTION_TMPL_ARGS */ - -// This overload is not required by the standard; it is an extension. -// It is supported for backward compatibility with the HP STL, and -// because not all compilers support the language feature (explicit -// function template arguments) that is required for the standard -// version of get_temporary_buffer. -template <class _Tp> -inline pair<_Tp*, ptrdiff_t> get_temporary_buffer(ptrdiff_t __len, _Tp*) { - return __get_temporary_buffer(__len, (_Tp*) 0); -} - -template <class _Tp> -void return_temporary_buffer(_Tp* __p) { - free(__p); -} - -template <class _ForwardIterator, class _Tp> -class _Temporary_buffer { -private: - ptrdiff_t _M_original_len; - ptrdiff_t _M_len; - _Tp* _M_buffer; - - void _M_allocate_buffer() { - _M_original_len = _M_len; - _M_buffer = 0; - - if (_M_len > (ptrdiff_t)(INT_MAX / sizeof(_Tp))) - _M_len = INT_MAX / sizeof(_Tp); - - while (_M_len > 0) { - _M_buffer = (_Tp*) malloc(_M_len * sizeof(_Tp)); - if (_M_buffer) - break; - _M_len /= 2; - } - } - - void _M_initialize_buffer(const _Tp&, __true_type) {} - void _M_initialize_buffer(const _Tp& val, __false_type) { - uninitialized_fill_n(_M_buffer, _M_len, val); - } - -public: - ptrdiff_t size() const { return _M_len; } - ptrdiff_t requested_size() const { return _M_original_len; } - _Tp* begin() { return _M_buffer; } - _Tp* end() { return _M_buffer + _M_len; } - - _Temporary_buffer(_ForwardIterator __first, _ForwardIterator __last) { - typedef typename __type_traits<_Tp>::has_trivial_default_constructor - _Trivial; - __STL_TRY { - _M_len = 0; - distance(__first, __last, _M_len); - _M_allocate_buffer(); - if (_M_len > 0) - _M_initialize_buffer(*__first, _Trivial()); - } - __STL_UNWIND(free(_M_buffer); _M_buffer = 0; _M_len = 0); - } - - ~_Temporary_buffer() { - destroy(_M_buffer, _M_buffer + _M_len); - free(_M_buffer); - } - -private: - // Disable copy constructor and assignment operator. - _Temporary_buffer(const _Temporary_buffer&) {} - void operator=(const _Temporary_buffer&) {} -}; - -// Class temporary_buffer is not part of the standard. It is an extension. - -template <class _ForwardIterator, - class _Tp -#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION - = typename iterator_traits<_ForwardIterator>::value_type -#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */ - > -struct temporary_buffer : public _Temporary_buffer<_ForwardIterator, _Tp> -{ - temporary_buffer(_ForwardIterator __first, _ForwardIterator __last) - : _Temporary_buffer<_ForwardIterator, _Tp>(__first, __last) {} - ~temporary_buffer() {} -}; - -__STL_END_NAMESPACE - -#endif /* __SGI_STL_INTERNAL_TEMPBUF_H */ - -// Local Variables: -// mode:C++ -// End: |
