includes are removed based on the language version used. Incidental transitive
inclusions of the following headers have been removed:
- - C++2b: ``bit``, ``type_traits``
+ - C++2b: ``bit``, ``cstring``, ``type_traits``
Upcoming Deprecations and Removals
----------------------------------
__split_buffer
__std_stream
__string/char_traits.h
+ __string/constexpr_c_functions.h
__string/extern_template_lists.h
__support/android/locale_bionic.h
__support/fuchsia/xlocale.h
#include <__iterator/iterator_traits.h>
#include <__memory/construct_at.h>
#include <__memory/pointer_traits.h>
-#include <cstring>
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#include <__format/concepts.h>
#include <__format/format_arg.h>
#include <__utility/forward.h>
-#include <cstring>
#include <string>
#include <string_view>
#include <type_traits>
#include <__config>
#include <__functional/hash.h>
#include <__iterator/iterator_traits.h>
+#include <__string/constexpr_c_functions.h>
#include <__type_traits/is_constant_evaluated.h>
#include <cstddef>
#include <cstdint>
#include <cstdio>
-#include <cstring>
#include <iosfwd>
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
--- /dev/null
+//===----------------------------------------------------------------------===//
+//
+// 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___STRING_CONSTEXPR_C_FUNCTIONS_H
+#define _LIBCPP___STRING_CONSTEXPR_C_FUNCTIONS_H
+
+#include <__config>
+#include <__type_traits/is_constant_evaluated.h>
+#include <cstddef>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t __constexpr_strlen(const char* __str) {
+ // GCC currently doesn't support __builtin_strlen for heap-allocated memory during constant evaluation.
+ // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70816
+#ifdef _LIBCPP_COMPILER_GCC
+ if (__libcpp_is_constant_evaluated()) {
+ size_t __i = 0;
+ for (; __str[__i] != '\0'; ++__i)
+ ;
+ return __i;
+ }
+#endif
+ return __builtin_strlen(__str);
+}
+
+template <class _Tp>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 int
+__constexpr_memcmp(const _Tp* __lhs, const _Tp* __rhs, size_t __count) {
+#ifdef _LIBCPP_COMPILER_GCC
+ if (__libcpp_is_constant_evaluated()) {
+ for (; __count; --__count, ++__lhs, ++__rhs) {
+ if (*__lhs < *__rhs)
+ return -1;
+ if (*__rhs < *__lhs)
+ return 1;
+ }
+ return 0;
+ }
+#endif
+ return __builtin_memcmp(__lhs, __rhs, __count);
+}
+
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const char*
+__constexpr_char_memchr(const char* __str, int __char, size_t __count) {
+#if __has_builtin(__builtin_char_memchr)
+ return __builtin_char_memchr(__str, __char, __count);
+#else
+ if (!__libcpp_is_constant_evaluated())
+ return static_cast<const char*>(__builtin_memchr(__str, __char, __count));
+ for (; __count; --__count) {
+ if (*__str == __char)
+ return __str;
+ ++__str;
+ }
+ return nullptr;
+#endif
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___STRING_CONSTEXPR_C_FUNCTIONS_H
#include <cmath> // for log2f
#include <cstdint>
#include <cstdlib>
-#include <cstring>
#include <limits>
#include <type_traits>
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <concepts>
+# include <cstring>
# include <iosfwd>
#endif
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <bit>
# include <concepts>
+# include <cstring>
#endif
#endif // _LIBCPP_CHRONO
using ::strerror _LIBCPP_USING_IF_EXISTS;
using ::strlen _LIBCPP_USING_IF_EXISTS;
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t __constexpr_strlen(const char* __str) {
- // GCC currently doesn't support __builtin_strlen for heap-allocated memory during constant evaluation.
- // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70816
-#ifdef _LIBCPP_COMPILER_GCC
- if (__libcpp_is_constant_evaluated()) {
- size_t __i = 0;
- for (; __str[__i] != '\0'; ++__i)
- ;
- return __i;
- }
-#endif
- return __builtin_strlen(__str);
-}
-
-template <class _Tp>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 int
-__constexpr_memcmp(const _Tp* __lhs, const _Tp* __rhs, size_t __count) {
-#ifdef _LIBCPP_COMPILER_GCC
- if (__libcpp_is_constant_evaluated()) {
- for (; __count; --__count, ++__lhs, ++__rhs) {
- if (*__lhs < *__rhs)
- return -1;
- if (*__rhs < *__lhs)
- return 1;
- }
- return 0;
- }
-#endif
- return __builtin_memcmp(__lhs, __rhs, __count);
-}
-
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 const char*
-__constexpr_char_memchr(const char* __str, int __char, size_t __count) {
-#if __has_builtin(__builtin_char_memchr)
- return __builtin_char_memchr(__str, __char, __count);
-#else
- if (!__libcpp_is_constant_evaluated())
- return static_cast<const char*>(std::memchr(__str, __char, __count));
- for (; __count; --__count) {
- if (*__str == __char)
- return __str;
- ++__str;
- }
- return nullptr;
-#endif
-}
-
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CSTRING
#include <__utility/unreachable.h>
#include <cstdio>
#include <cstdlib>
-#include <cstring>
#include <istream>
#include <ostream>
#include <typeinfo>
export string_view
module __string {
module char_traits { private header "__string/char_traits.h" }
+ module constexpr_c_functions { private header "__string/constexpr_c_functions.h" }
module extern_template_lists { private header "__string/extern_template_lists.h" }
module string_fwd { private header "__fwd/string.h" }
}
#include <__utility/move.h>
#include <__utility/pair.h>
#include <__utility/swap.h>
-#include <cstring>
#include <deque>
#include <stdexcept>
#include <string>
// clang-format off
#include <__assert>
-#include "__config"
+#include <__config>
+#include <cstring>
_LIBCPP_BEGIN_NAMESPACE_STD
#include <__split_buffer> // expected-error@*:* {{use of private header from outside its module: '__split_buffer'}}
#include <__std_stream> // expected-error@*:* {{use of private header from outside its module: '__std_stream'}}
#include <__string/char_traits.h> // expected-error@*:* {{use of private header from outside its module: '__string/char_traits.h'}}
+#include <__string/constexpr_c_functions.h> // expected-error@*:* {{use of private header from outside its module: '__string/constexpr_c_functions.h'}}
#include <__string/extern_template_lists.h> // expected-error@*:* {{use of private header from outside its module: '__string/extern_template_lists.h'}}
#include <__thread/poll_with_backoff.h> // expected-error@*:* {{use of private header from outside its module: '__thread/poll_with_backoff.h'}}
#include <__thread/timed_backoff_policy.h> // expected-error@*:* {{use of private header from outside its module: '__thread/timed_backoff_policy.h'}}
// UNSUPPORTED: c++03, c++11
+// ADDITIONAL_COMPILE_FLAGS: -Wno-private-header
+
// Check that __constexpr_* cstring functions are actually constexpr
-#include <cstring>
+#include <__string/constexpr_c_functions.h>
static_assert(std::__constexpr_strlen("Banane") == 6, "");
static_assert(std::__constexpr_memcmp("Banane", "Banand", 6) == 1, "");
chrono cstddef
chrono cstdint
chrono cstdlib
+chrono cstring
chrono ctime
chrono limits
chrono ratio
format cstddef
format cstdint
format cstdlib
-format cstring
format initializer_list
format limits
format locale
chrono cstddef
chrono cstdint
chrono cstdlib
+chrono cstring
chrono ctime
chrono limits
chrono ratio
format cstddef
format cstdint
format cstdlib
-format cstring
format initializer_list
format limits
format locale
chrono cstddef
chrono cstdint
chrono cstdlib
+chrono cstring
chrono ctime
chrono limits
chrono ratio
format cstddef
format cstdint
format cstdlib
-format cstring
format initializer_list
format limits
format locale
chrono cstddef
chrono cstdint
chrono cstdlib
+chrono cstring
chrono ctime
chrono limits
chrono ratio
format cstddef
format cstdint
format cstdlib
-format cstring
format initializer_list
format limits
format locale
format cstddef
format cstdint
format cstdlib
-format cstring
format initializer_list
format limits
format locale
charconv cstddef
charconv cstdint
charconv cstdlib
-charconv cstring
charconv initializer_list
charconv limits
charconv type_traits
chrono cstddef
chrono cstdint
chrono cstdlib
-chrono cstring
chrono ctime
chrono initializer_list
chrono limits
format cstddef
format cstdint
format cstdlib
-format cstring
format initializer_list
format limits
format locale
#include <cassert>
#include <cstdio>
#include <cstdlib>
+#include <cstring>
#include <cxxabi.h>
#include <string>
{"_Zcv1BIRT_EIS1_E", "operator B<><>"},
{"_ZN2FnIXgs4BaseEX4BaseEEEvv","void Fn<::Base, Base>()"},
-
+
{"_ZN2FnIXgsnw_iEEXna_ipiLi4EEEEEvv", "void Fn<::new int, new[] int(4)>()"},
{"_ZN2FnIXnwLj4E_iEEXgsnaLj4E_ipiLi4EEEEEvv", "void Fn<new(4u) int, ::new[](4u) int(4)>()"},
{"_ZN2FnIXgsdlLi4EEXdaLi4EEEEvv", "void Fn<::delete 4, delete[] 4>()"},