[libcxx-commits] [libcxx] [libc++] Cleanly implement the base locale API for BSD-like platforms (PR #115176)
via libcxx-commits
libcxx-commits at lists.llvm.org
Wed Nov 6 07:40:09 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libcxx
Author: Louis Dionne (ldionne)
<details>
<summary>Changes</summary>
Instead of going through the old locale entry points, define the base localization API for BSD-like platforms (Apple and FreeBSD) from scratch, using <xlocale.h> as a basis. This doesn't actually change how that functionality is implemented, it only avoids going through a maze to do so.
This patch also introduces generic headers that can be mixed-and-matched to implement platform support for localization, which is going to be useful because e.g. Windows does provide a few BSD-like functions that it can reuse.
This clean new support is implemented in a separate __locale_dir/support directory, which mirrors what we do for the threading support API. Eventually, everything under __locale_dir/locale_base_api will go away.
rdar://131476632
---
Patch is 25.19 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/115176.diff
12 Files Affected:
- (modified) libcxx/include/CMakeLists.txt (+6-2)
- (modified) libcxx/include/__locale_dir/locale_base_api.h (+46-42)
- (removed) libcxx/include/__locale_dir/locale_base_api/apple.h (-23)
- (removed) libcxx/include/__locale_dir/locale_base_api/freebsd.h (-23)
- (added) libcxx/include/__locale_dir/support/apple.h (+24)
- (added) libcxx/include/__locale_dir/support/characters/bsd_like.h (+93)
- (added) libcxx/include/__locale_dir/support/freebsd.h (+24)
- (added) libcxx/include/__locale_dir/support/management/bsd_like.h (+39)
- (added) libcxx/include/__locale_dir/support/other/bsd_like.h (+101)
- (added) libcxx/include/__locale_dir/support/strtonum/bsd_like.h (+46)
- (modified) libcxx/include/iomanip (+1)
- (modified) libcxx/include/module.modulemap (+18-3)
``````````diff
diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
index 87eaf64b245017..3d9fad72f1ff3e 100644
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -494,16 +494,20 @@ set(files
__locale
__locale_dir/locale_base_api.h
__locale_dir/locale_base_api/android.h
- __locale_dir/locale_base_api/apple.h
__locale_dir/locale_base_api/bsd_locale_defaults.h
__locale_dir/locale_base_api/bsd_locale_fallbacks.h
- __locale_dir/locale_base_api/freebsd.h
__locale_dir/locale_base_api/fuchsia.h
__locale_dir/locale_base_api/ibm.h
__locale_dir/locale_base_api/musl.h
__locale_dir/locale_base_api/openbsd.h
__locale_dir/locale_base_api/win32.h
__locale_dir/locale_guard.h
+ __locale_dir/support/apple.h
+ __locale_dir/support/characters/bsd_like.h
+ __locale_dir/support/freebsd.h
+ __locale_dir/support/management/bsd_like.h
+ __locale_dir/support/other/bsd_like.h
+ __locale_dir/support/strtonum/bsd_like.h
__math/abs.h
__math/copysign.h
__math/error_functions.h
diff --git a/libcxx/include/__locale_dir/locale_base_api.h b/libcxx/include/__locale_dir/locale_base_api.h
index e798a006625b59..5cbe91207ca74e 100644
--- a/libcxx/include/__locale_dir/locale_base_api.h
+++ b/libcxx/include/__locale_dir/locale_base_api.h
@@ -94,42 +94,44 @@
// int __sscanf(const char*, __locale_t, const char*, ...);
// }
+#if defined(__APPLE__)
+# include <__locale_dir/support/apple.h>
+#elif defined(__FreeBSD__)
+# include <__locale_dir/support/freebsd.h>
+#else
+
// TODO: This is a temporary definition to bridge between the old way we defined the locale base API
// (by providing global non-reserved names) and the new API. As we move individual platforms
// towards the new way of defining the locale base API, this should disappear since each platform
// will define those directly.
-#if defined(_LIBCPP_MSVCRT_LIKE)
-# include <__locale_dir/locale_base_api/win32.h>
-#elif defined(_AIX) || defined(__MVS__)
-# include <__locale_dir/locale_base_api/ibm.h>
-#elif defined(__ANDROID__)
-# include <__locale_dir/locale_base_api/android.h>
-#elif defined(__OpenBSD__)
-# include <__locale_dir/locale_base_api/openbsd.h>
-#elif defined(__Fuchsia__)
-# include <__locale_dir/locale_base_api/fuchsia.h>
-#elif defined(__wasi__) || _LIBCPP_HAS_MUSL_LIBC
-# include <__locale_dir/locale_base_api/musl.h>
-#elif defined(__APPLE__)
-# include <__locale_dir/locale_base_api/apple.h>
-#elif defined(__FreeBSD__)
-# include <__locale_dir/locale_base_api/freebsd.h>
-#endif
+# if defined(_LIBCPP_MSVCRT_LIKE)
+# include <__locale_dir/locale_base_api/win32.h>
+# elif defined(_AIX) || defined(__MVS__)
+# include <__locale_dir/locale_base_api/ibm.h>
+# elif defined(__ANDROID__)
+# include <__locale_dir/locale_base_api/android.h>
+# elif defined(__OpenBSD__)
+# include <__locale_dir/locale_base_api/openbsd.h>
+# elif defined(__Fuchsia__)
+# include <__locale_dir/locale_base_api/fuchsia.h>
+# elif defined(__wasi__) || _LIBCPP_HAS_MUSL_LIBC
+# include <__locale_dir/locale_base_api/musl.h>
+# endif
-#ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-# include <__locale_dir/locale_base_api/bsd_locale_defaults.h>
-#else
-# include <__locale_dir/locale_base_api/bsd_locale_fallbacks.h>
-#endif
+# ifdef _LIBCPP_LOCALE__L_EXTENSIONS
+# include <__locale_dir/locale_base_api/bsd_locale_defaults.h>
+# else
+# include <__locale_dir/locale_base_api/bsd_locale_fallbacks.h>
+# endif
-#include <__cstddef/size_t.h>
-#include <__utility/forward.h>
-#include <ctype.h>
-#include <string.h>
-#include <time.h>
-#if _LIBCPP_HAS_WIDE_CHARACTERS
-# include <wctype.h>
-#endif
+# include <__cstddef/size_t.h>
+# include <__utility/forward.h>
+# include <ctype.h>
+# include <string.h>
+# include <time.h>
+# if _LIBCPP_HAS_WIDE_CHARACTERS
+# include <wctype.h>
+# endif
_LIBCPP_BEGIN_NAMESPACE_STD
namespace __locale {
//
@@ -137,9 +139,9 @@ namespace __locale {
//
using __locale_t = locale_t;
-#ifndef _LIBCPP_MSVCRT_LIKE
+# ifndef _LIBCPP_MSVCRT_LIKE
inline _LIBCPP_HIDE_FROM_ABI __locale_t __uselocale(__locale_t __loc) { return uselocale(__loc); }
-#endif
+# endif
inline _LIBCPP_HIDE_FROM_ABI __locale_t __newlocale(int __category_mask, const char* __name, __locale_t __loc) {
return newlocale(__category_mask, __name, __loc);
@@ -189,7 +191,7 @@ inline _LIBCPP_HIDE_FROM_ABI size_t __strxfrm(char* __dest, const char* __src, s
inline _LIBCPP_HIDE_FROM_ABI int __toupper(int __ch, __locale_t __loc) { return toupper_l(__ch, __loc); }
inline _LIBCPP_HIDE_FROM_ABI int __tolower(int __ch, __locale_t __loc) { return tolower_l(__ch, __loc); }
-#if _LIBCPP_HAS_WIDE_CHARACTERS
+# if _LIBCPP_HAS_WIDE_CHARACTERS
inline _LIBCPP_HIDE_FROM_ABI int __wcscoll(const wchar_t* __s1, const wchar_t* __s2, __locale_t __loc) {
return wcscoll_l(__s1, __s2, __loc);
}
@@ -208,7 +210,7 @@ inline _LIBCPP_HIDE_FROM_ABI int __iswpunct(wint_t __ch, __locale_t __loc) { ret
inline _LIBCPP_HIDE_FROM_ABI int __iswxdigit(wint_t __ch, __locale_t __loc) { return iswxdigit_l(__ch, __loc); }
inline _LIBCPP_HIDE_FROM_ABI wint_t __towupper(wint_t __ch, __locale_t __loc) { return towupper_l(__ch, __loc); }
inline _LIBCPP_HIDE_FROM_ABI wint_t __towlower(wint_t __ch, __locale_t __loc) { return towlower_l(__ch, __loc); }
-#endif
+# endif
inline _LIBCPP_HIDE_FROM_ABI size_t
__strftime(char* __s, size_t __max, const char* __format, const tm* __tm, __locale_t __loc) {
@@ -221,7 +223,7 @@ __strftime(char* __s, size_t __max, const char* __format, const tm* __tm, __loca
inline _LIBCPP_HIDE_FROM_ABI decltype(__libcpp_mb_cur_max_l(__locale_t())) __mb_len_max(__locale_t __loc) {
return __libcpp_mb_cur_max_l(__loc);
}
-#if _LIBCPP_HAS_WIDE_CHARACTERS
+# if _LIBCPP_HAS_WIDE_CHARACTERS
inline _LIBCPP_HIDE_FROM_ABI wint_t __btowc(int __ch, __locale_t __loc) { return __libcpp_btowc_l(__ch, __loc); }
inline _LIBCPP_HIDE_FROM_ABI int __wctob(wint_t __ch, __locale_t __loc) { return __libcpp_wctob_l(__ch, __loc); }
inline _LIBCPP_HIDE_FROM_ABI size_t
@@ -249,16 +251,16 @@ inline _LIBCPP_HIDE_FROM_ABI size_t
__mbsrtowcs(wchar_t* __dest, const char** __src, size_t __len, mbstate_t* __ps, __locale_t __loc) {
return __libcpp_mbsrtowcs_l(__dest, __src, __len, __ps, __loc);
}
-#endif
+# endif
_LIBCPP_DIAGNOSTIC_PUSH
_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wgcc-compat")
_LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") // GCC doesn't support [[gnu::format]] on variadic templates
-#ifdef _LIBCPP_COMPILER_CLANG_BASED
-# define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) _LIBCPP_ATTRIBUTE_FORMAT(__VA_ARGS__)
-#else
-# define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) /* nothing */
-#endif
+# ifdef _LIBCPP_COMPILER_CLANG_BASED
+# define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) _LIBCPP_ATTRIBUTE_FORMAT(__VA_ARGS__)
+# else
+# define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) /* nothing */
+# endif
template <class... _Args>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(__printf__, 4, 5) int __snprintf(
@@ -276,9 +278,11 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(__scanf__, 3, 4) int __s
return __libcpp_sscanf_l(__s, __loc, __format, std::forward<_Args>(__args)...);
}
_LIBCPP_DIAGNOSTIC_POP
-#undef _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT
+# undef _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT
} // namespace __locale
_LIBCPP_END_NAMESPACE_STD
+#endif // Compatibility definition of locale base APIs
+
#endif // _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_H
diff --git a/libcxx/include/__locale_dir/locale_base_api/apple.h b/libcxx/include/__locale_dir/locale_base_api/apple.h
deleted file mode 100644
index 69faa260be2190..00000000000000
--- a/libcxx/include/__locale_dir/locale_base_api/apple.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// -*- C++ -*-
-//===-----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_APPLE_H
-#define _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_APPLE_H
-
-#include <__config>
-#include <ctype.h>
-#include <string.h>
-#include <time.h>
-#if _LIBCPP_HAS_WIDE_CHARACTERS
-# include <wctype.h>
-#endif
-
-#include <xlocale.h>
-
-#endif // _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_APPLE_H
diff --git a/libcxx/include/__locale_dir/locale_base_api/freebsd.h b/libcxx/include/__locale_dir/locale_base_api/freebsd.h
deleted file mode 100644
index cf683d14d16880..00000000000000
--- a/libcxx/include/__locale_dir/locale_base_api/freebsd.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// -*- C++ -*-
-//===-----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_FREEBSD_H
-#define _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_FREEBSD_H
-
-#include <__config>
-#include <ctype.h>
-#include <string.h>
-#include <time.h>
-#if _LIBCPP_HAS_WIDE_CHARACTERS
-# include <wctype.h>
-#endif
-
-#include <xlocale.h>
-
-#endif // _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_FREEBSD_H
diff --git a/libcxx/include/__locale_dir/support/apple.h b/libcxx/include/__locale_dir/support/apple.h
new file mode 100644
index 00000000000000..42307aa9e8cb91
--- /dev/null
+++ b/libcxx/include/__locale_dir/support/apple.h
@@ -0,0 +1,24 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_DIR_SUPPORT_APPLE_H
+#define _LIBCPP___LOCALE_DIR_SUPPORT_APPLE_H
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+#include <__locale_dir/support/management/bsd_like.h> // must come first since it defines __locale_t
+
+#include <__locale_dir/support/characters/bsd_like.h>
+#include <__locale_dir/support/other/bsd_like.h>
+#include <__locale_dir/support/strtonum/bsd_like.h>
+
+#endif // _LIBCPP___LOCALE_DIR_SUPPORT_APPLE_H
diff --git a/libcxx/include/__locale_dir/support/characters/bsd_like.h b/libcxx/include/__locale_dir/support/characters/bsd_like.h
new file mode 100644
index 00000000000000..3795c65457ae1e
--- /dev/null
+++ b/libcxx/include/__locale_dir/support/characters/bsd_like.h
@@ -0,0 +1,93 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_DIR_SUPPORT_CHARACTERS_BSD_LIKE_H
+#define _LIBCPP___LOCALE_DIR_SUPPORT_CHARACTERS_BSD_LIKE_H
+
+#include <__config>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#if _LIBCPP_HAS_WIDE_CHARACTERS
+# include <wchar.h>
+# include <wctype.h>
+#endif
+
+#include <xlocale.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+namespace __locale {
+
+inline _LIBCPP_HIDE_FROM_ABI int __islower(int __c, __locale_t __loc) { return ::islower_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __isupper(int __c, __locale_t __loc) { return ::isupper_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __isdigit(int __c, __locale_t __loc) { return ::isdigit_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __isxdigit(int __c, __locale_t __loc) { return ::isxdigit_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __toupper(int __c, __locale_t __loc) { return ::toupper_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __tolower(int __c, __locale_t __loc) { return ::tolower_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __strcoll(const char* __s1, const char* __s2, __locale_t __loc) {
+ return ::strcoll_l(__s1, __s2, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t __strxfrm(char* __dest, const char* __src, size_t __n, __locale_t __loc) {
+ return ::strxfrm_l(__dest, __src, __n, __loc);
+}
+
+#if _LIBCPP_HAS_WIDE_CHARACTERS
+inline _LIBCPP_HIDE_FROM_ABI int __iswspace(wint_t __c, __locale_t __loc) { return ::iswspace_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswprint(wint_t __c, __locale_t __loc) { return ::iswprint_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswcntrl(wint_t __c, __locale_t __loc) { return ::iswcntrl_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswupper(wint_t __c, __locale_t __loc) { return ::iswupper_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswlower(wint_t __c, __locale_t __loc) { return ::iswlower_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswalpha(wint_t __c, __locale_t __loc) { return ::iswalpha_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswblank(wint_t __c, __locale_t __loc) { return ::iswblank_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswdigit(wint_t __c, __locale_t __loc) { return ::iswdigit_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswpunct(wint_t __c, __locale_t __loc) { return ::iswpunct_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __iswxdigit(wint_t __c, __locale_t __loc) { return ::iswxdigit_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI wint_t __towupper(wint_t __c, __locale_t __loc) { return ::towupper_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI wint_t __towlower(wint_t __c, __locale_t __loc) { return ::towlower_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __wcscoll(const wchar_t* __ws1, const wchar_t* __ws2, __locale_t __loc) {
+ return ::wcscoll_l(__ws1, __ws2, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t __wcsxfrm(wchar_t* __dest, const wchar_t* __src, size_t __n, __locale_t __loc) {
+ return ::wcsxfrm_l(__dest, __src, __n, __loc);
+}
+#endif // _LIBCPP_HAS_WIDE_CHARACTERS
+
+inline _LIBCPP_HIDE_FROM_ABI size_t
+__strftime(char* __s, size_t __max, const char* __format, const struct tm* __tm, __locale_t __loc) {
+ return ::strftime_l(__s, __max, __format, __tm, __loc);
+}
+
+} // namespace __locale
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_DIR_SUPPORT_CHARACTERS_BSD_LIKE_H
diff --git a/libcxx/include/__locale_dir/support/freebsd.h b/libcxx/include/__locale_dir/support/freebsd.h
new file mode 100644
index 00000000000000..c91b7e8c8e082d
--- /dev/null
+++ b/libcxx/include/__locale_dir/support/freebsd.h
@@ -0,0 +1,24 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_DIR_SUPPORT_FREEBSD_H
+#define _LIBCPP___LOCALE_DIR_SUPPORT_FREEBSD_H
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+#include <__locale_dir/support/management/bsd_like.h> // must come first since it defines __locale_t
+
+#include <__locale_dir/support/characters/bsd_like.h>
+#include <__locale_dir/support/other/bsd_like.h>
+#include <__locale_dir/support/strtonum/bsd_like.h>
+
+#endif // _LIBCPP___LOCALE_DIR_SUPPORT_FREEBSD_H
diff --git a/libcxx/include/__locale_dir/support/management/bsd_like.h b/libcxx/include/__locale_dir/support/management/bsd_like.h
new file mode 100644
index 00000000000000..d4a0dafeeca05f
--- /dev/null
+++ b/libcxx/include/__locale_dir/support/management/bsd_like.h
@@ -0,0 +1,39 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_DIR_SUPPORT_MANAGEMENT_BSD_LIKE_H
+#define _LIBCPP___LOCALE_DIR_SUPPORT_MANAGEMENT_BSD_LIKE_H
+
+#include <__config>
+#include <clocale> // std::lconv
+
+#include <xlocale.h> // uselocale() and others
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+namespace __locale {
+
+using __locale_t = ::locale_t;
+
+inline _LIBCPP_HIDE_FROM_ABI __locale_t __uselocale(__locale_t __loc) { return ::uselocale(__loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI __locale_t __newlocale(int __category_mask, const char* __locale, __locale_t __base) {
+ return ::newlocale(__category_mask, __locale, __base);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI void __freelocale(__locale_t __loc) { ::freelocale(__loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI lconv* __localeconv(__locale_t& __loc) { return ::localeconv_l(__loc); }
+
+} // namespace __locale
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_DIR_SUPPORT_MANAGEMENT_BSD_LIKE_H
diff --git a/libcxx/include/__locale_dir/support/other/bsd_like.h b/libcxx/include/__locale_dir/support/other/bsd_like.h
new file mode 100644
index 00000000000000..a4cb5417553685
--- /dev/null
+++ b/libcxx/include/__locale_dir/support/other/bsd_like.h
@@ -0,0 +1,101 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_DIR_SUPPORT_OTHER_BSD_LIKE_H
+#define _LIBCPP___LOCALE_DIR_SUPPORT_OTHER_BSD_LIKE_H
+
+#include <__config>
+#include <__cstddef/size_t.h>
+#include <__std_mbstate_t.h>
+#include <__utility/forward.h>
+#if _LIBCPP_HAS_WIDE_CHARACTERS
+# include <wchar.h>
+#endif
+
+#include <xlocale.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+namespace __locale {
+
+inline _LIBCPP_HIDE_FROM_ABI decltype(MB_CUR_MAX) __mb_len_max(__locale_t __loc) { return MB_CUR_MAX_L(__loc); }
+
+#if _LIBCPP_HAS_WIDE_CHARACTERS
+inline _LIBCPP_HIDE_FROM_ABI wint_t __btowc(int __c, __locale_t __loc) { return ::btowc_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI int __wctob(wint_t __c, __locale_t __loc) { return ::wctob_l(__c, __loc); }
+
+inline _LIBCPP_HIDE_FROM_ABI size_t
+__wcsnrtombs(char* __dest, const wchar_t** __src, size_t __nwc, size_t __len, mbstate_t* __ps, __locale_t __loc) {
+ return ::wcsnrtombs_l(__dest, __src, __nwc, __len, __ps, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t __wcrtomb(char* __s, wchar_t __wc, mbstate_t* __ps, __locale_t __loc) {
+ return ::wcrtomb_l(__s, __wc, __ps, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t
+__mbsnrtowcs(wchar_t* __dest, const char** __src, size_t __nms, size_t __len, mbstate_t* __ps, __locale_t __loc) {
+ return ::mbsnrtowcs_l(__dest, __src, __nms, __len, __ps, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t
+__mbrtowc(wchar_t* __pwc, const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {
+ return ::mbrtowc_l(__pwc, __s, __n, __ps, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI int __mbtowc(wchar_t* __pwc, const char* __pmb, size_t __max, __locale_t __loc) {
+ return ::mbtowc_l(__pwc, __pmb, __max, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t __mbrlen(const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {
+ return ::mbrlen_l(__s, __n, __ps, __loc);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI size_t
+__mbsrtowcs(wchar_t* __dest, const char** __src, size_t __len, mbstate_t* __ps, __locale_t __loc) {
+ return ::mbsrtowcs_l(__d...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/115176
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