3 * Copyright (c) 1998-2005
6 * Use, modification and distribution are subject to the
7 * Boost Software License, Version 1.0. (See accompanying file
8 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
13 * LOCATION: see http://www.boost.org for most recent version.
14 * FILE regex_workarounds.cpp
15 * VERSION see <boost/version.hpp>
16 * DESCRIPTION: Declares Misc workarounds.
19 #ifndef BOOST_REGEX_WORKAROUND_HPP
20 #define BOOST_REGEX_WORKAROUND_HPP
36 #include <boost/limits.hpp>
37 #include <boost/assert.hpp>
38 #include <boost/cstdint.hpp>
39 #include <boost/throw_exception.hpp>
40 #include <boost/scoped_ptr.hpp>
41 #include <boost/scoped_array.hpp>
42 #include <boost/shared_ptr.hpp>
43 #include <boost/mpl/bool_fwd.hpp>
44 #ifndef BOOST_NO_STD_LOCALE
48 #if defined(BOOST_NO_STDC_NAMESPACE)
50 using ::sprintf; using ::strcpy; using ::strcat; using ::strlen;
54 namespace boost{ namespace re_detail{
55 #ifdef BOOST_NO_STD_DISTANCE
57 std::ptrdiff_t distance(const T& x, const T& y)
65 #ifdef BOOST_REGEX_NO_BOOL
66 # define BOOST_REGEX_MAKE_BOOL(x) static_cast<bool>((x) ? true : false)
69 // warning suppression with VC6:
70 # pragma warning(disable: 4800)
71 # pragma warning(disable: 4786)
73 # define BOOST_REGEX_MAKE_BOOL(x) static_cast<bool>(x)
76 /*****************************************************************************
78 * Fix broken broken namespace support:
80 ****************************************************************************/
82 #if defined(BOOST_NO_STDC_NAMESPACE) && defined(__cplusplus)
94 /*****************************************************************************
96 * helper functions pointer_construct/pointer_destroy:
98 ****************************************************************************/
101 namespace boost{ namespace re_detail{
104 #pragma warning (push)
105 #pragma warning (disable : 4100)
109 inline void pointer_destroy(T* p)
110 { p->~T(); (void)p; }
113 #pragma warning (pop)
117 inline void pointer_construct(T* p, const T& t)
123 /*****************************************************************************
125 * helper function copy:
127 ****************************************************************************/
130 namespace boost{ namespace re_detail{
131 #if BOOST_WORKAROUND(BOOST_MSVC,>=1400) && defined(_CPPLIB_VER) && !(defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
133 // MSVC 8 will either emit warnings or else refuse to compile
134 // code that makes perfectly legitimate use of std::copy, when
135 // the OutputIterator type is a user-defined class (apparently all user
136 // defined iterators are "unsafe"). This code works around that:
138 template<class InputIterator, class OutputIterator>
139 inline OutputIterator copy(
145 return stdext::unchecked_copy(first, last, dest);
147 template<class InputIterator1, class InputIterator2>
149 InputIterator1 first,
154 return stdext::unchecked_equal(first, last, with);
157 // use safe versions of strcpy etc:
164 inline std::size_t strcpy_s(
165 char *strDestination,
166 std::size_t sizeInBytes,
167 const char *strSource
170 if(std::strlen(strSource)+1 > sizeInBytes)
172 std::strcpy(strDestination, strSource);
175 inline std::size_t strcat_s(
176 char *strDestination,
177 std::size_t sizeInBytes,
178 const char *strSource
181 if(std::strlen(strSource) + std::strlen(strDestination) + 1 > sizeInBytes)
183 std::strcat(strDestination, strSource);
189 inline void overflow_error_if_not_zero(std::size_t i)
193 std::overflow_error e("String buffer too small");
194 boost::throw_exception(e);
201 #endif // include guard