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forcefully exclude arrays from being interpreted as pointers

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This commit is contained in:
Francois Chabot 2020-05-27 18:21:38 -04:00
parent b9416a26aa
commit 377995f495
2 changed files with 24 additions and 12 deletions
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18
include/nlohmann/detail/input/input_adapters.hpp
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@ -391,12 +391,13 @@ inline input_stream_adapter input_adapter(std::istream&& stream)
using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval<const char*>(), std::declval<const char*>()));
// Null-delimited strings, and the like.
template<typename CharT,
typename std::enable_if<
std::is_pointer<CharT>::value and
std::is_integral<typename std::remove_pointer<CharT>::type>::value and
sizeof(typename std::remove_pointer<CharT>::type) == 1,
int>::type = 0>
template < typename CharT,
typename std::enable_if <
std::is_pointer<CharT>::value and
!std::is_array<CharT>::value and
std::is_integral<typename std::remove_pointer<CharT>::type>::value and
sizeof(typename std::remove_pointer<CharT>::type) == 1,
int >::type = 0 >
contiguous_bytes_input_adapter input_adapter(CharT b)
{
auto length = std::strlen(reinterpret_cast<const char*>(b));
@ -404,6 +405,11 @@ contiguous_bytes_input_adapter input_adapter(CharT b)
return input_adapter(ptr, ptr + length);
}
template<typename T, std::size_t N>
auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N))
{
return input_adapter(array, array + N);
}
// This class only handles inputs of input_buffer_adapter type.
// It's required so that expressions like {ptr, len} can be implicitely casted