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string: streamline locale_t experience

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Not that we would like to promote the use of C locale_t over C++
std::locale, but we need former for sprintf and we need decent support
for it.

Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2023-08-25 04:45:32 +02:00
parent 2c2680dfb3
commit e1f27662a1
1 changed files with 16 additions and 9 deletions
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25
include/stdex/string.hpp
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@ -19,8 +19,15 @@ namespace stdex
#ifdef _WIN32
using locale_t = _locale_t;
inline locale_t create_locale(_In_ int category, _In_z_ const char* locale) { return _create_locale(category, locale); }
inline locale_t create_locale(_In_ int category, _In_z_ const wchar_t* locale) { return _wcreate_locale(category, locale); }
inline void free_locale(_In_opt_ _locale_t locale) { _free_locale(locale); }
#else
using locale_t = ::locale_t;
#endif
///
/// Deleter for unique_ptr using _free_locale
/// Deleter for unique_ptr using free_locale
///
struct free_locale_delete
{
@ -29,19 +36,19 @@ namespace stdex
///
void operator()(_In_ locale_t locale) const
{
_free_locale(locale);
free_locale(locale);
}
};
///
/// locale_t helper class to free_locale when going out of scope
///
using locale = std::unique_ptr<__crt_locale_pointers, free_locale_delete>;
static locale locale_C(_create_locale(LC_ALL, "C"));
inline locale_t create_locale(_In_ int category, _In_z_ const char* locale) { return _create_locale(category, locale); }
inline locale_t create_locale(_In_ int category, _In_z_ const wchar_t* locale) { return _wcreate_locale(category, locale); }
inline void free_locale(_In_opt_ _locale_t locale) { _free_locale(locale); }
#else
using locale_t = ::locale_t;
#endif
///
/// Reusable C locale
///
static locale locale_C(_create_locale(LC_ALL, "C"));
///
/// UTF-16 code unit