mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2014 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_CSTRING_STRNCPY_HPP
|
|
#define SPROUT_CSTRING_STRNCPY_HPP
|
|
|
|
#include <iterator>
|
|
#include <sprout/config.hpp>
|
|
|
|
namespace sprout {
|
|
namespace detail {
|
|
template<typename OutputCStrIterator, typename CStrIterator>
|
|
inline SPROUT_CXX14_CONSTEXPR OutputCStrIterator
|
|
strncpy(OutputCStrIterator s1, CStrIterator s2, std::size_t n) {
|
|
typedef typename std::iterator_traits<OutputCStrIterator>::value_type value_type;
|
|
OutputCStrIterator result = s1;
|
|
while (n) {
|
|
--n;
|
|
if (!(*s1++ = *s2++)) {
|
|
break;
|
|
}
|
|
}
|
|
while (n) {
|
|
--n;
|
|
*s1++ = value_type();
|
|
}
|
|
return result;
|
|
}
|
|
} // namespace detail
|
|
|
|
// 7.21.2.4 The strncpy function
|
|
//
|
|
inline SPROUT_CXX14_CONSTEXPR char*
|
|
strncpy(char* s1, char const* s2, std::size_t n) {
|
|
return sprout::detail::strncpy(s1, s2, n);
|
|
}
|
|
|
|
template<typename Elem>
|
|
inline SPROUT_CXX14_CONSTEXPR Elem*
|
|
strncpy(Elem* s1, Elem const* s2, std::size_t n) {
|
|
return sprout::detail::strncpy(s1, s2, n);
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_CSTRING_STRNCPY_HPP
|