#pragma once #include namespace vcpkg { template struct basic_cstring_view { constexpr basic_cstring_view(const CharType* cstr) : cstr(cstr) {} basic_cstring_view(const std::basic_string& str) : cstr(str.c_str()) {} constexpr operator const CharType*() const { return cstr; } constexpr const CharType* c_str() const { return cstr; } private: const CharType* cstr; }; using cstring_view = basic_cstring_view; using cwstring_view = basic_cstring_view; inline const char* to_printf_arg(const cstring_view spec) { return spec.c_str(); } inline const wchar_t* to_wprintf_arg(const cwstring_view spec) { return spec.c_str(); } static_assert(sizeof(cstring_view) == sizeof(void*), "cstring_view must be a simple wrapper around char*"); static_assert(sizeof(cwstring_view) == sizeof(void*), "cwstring_view must be a simple wrapper around wchar_t*"); }