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https://github.com/bolero-MURAKAMI/Sprout.git
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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_CSTRING_STRNCAT_HPP
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#define SPROUT_CSTRING_STRNCAT_HPP
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#include <iterator>
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#include <sprout/config.hpp>
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namespace sprout {
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namespace detail {
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template<typename OutputCStrIterator, typename CStrIterator>
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inline SPROUT_CXX14_CONSTEXPR OutputCStrIterator
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strncat(OutputCStrIterator s1, CStrIterator s2, std::size_t n) {
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typedef typename std::iterator_traits<OutputCStrIterator>::value_type value_type;
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OutputCStrIterator result = s1;
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while (*s1) {
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++s1;
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}
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while (n) {
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--n;
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if (!(*s1++ = *s2++)) {
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break;
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}
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}
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*s1 = value_type();
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return result;
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}
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} // namespace detail
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// 7.21.3.2 The strncat function
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//
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inline SPROUT_CXX14_CONSTEXPR char*
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strncat(char* s1, char const* s2, std::size_t n) {
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return sprout::detail::strncat(s1, s2, n);
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}
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template<typename Elem>
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inline SPROUT_CXX14_CONSTEXPR Elem*
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strncat(Elem* s1, Elem const* s2, std::size_t n) {
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return sprout::detail::strncat(s1, s2, n);
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_CSTRING_STRNCAT_HPP
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