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From: Jonathan Wakely <redi@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r13-676] libstdc++: Avoid including <cstdint> for std::char_traits Date: Thu, 19 May 2022 22:41:27 +0000 (GMT) [thread overview] Message-ID: <20220519224127.10E69396E437@sourceware.org> (raw) https://gcc.gnu.org/g:6f038efd93593da6e661b829d1bd3877e75550f1 commit r13-676-g6f038efd93593da6e661b829d1bd3877e75550f1 Author: Jonathan Wakely <jwakely@redhat.com> Date: Thu May 19 12:50:28 2022 +0100 libstdc++: Avoid including <cstdint> for std::char_traits We should prefer the __UINT_LEAST16_TYPE__ and __UINT_LEAST32_TYPE__ macros, if available, so that we don't need all of <cstdint> in every header that uses std::char_traits. libstdc++-v3/ChangeLog: * include/bits/char_traits.h: Only include <cstdint> when necessary. * include/std/stacktrace: Use __UINTPTR_TYPE__ instead of uintptr_t. * src/c++11/cow-stdexcept.cc: Include <stdint.h>. * src/c++17/floating_to_chars.cc: Likewise. * testsuite/20_util/assume_aligned/1.cc: Include <cstdint>. * testsuite/20_util/assume_aligned/3.cc: Likewise. * testsuite/20_util/shared_ptr/creation/array.cc: Likewise. Diff: --- libstdc++-v3/include/bits/char_traits.h | 17 +++++++++-------- libstdc++-v3/include/std/stacktrace | 13 +++++++------ libstdc++-v3/src/c++11/cow-stdexcept.cc | 4 ++++ libstdc++-v3/src/c++17/floating_to_chars.cc | 2 ++ libstdc++-v3/testsuite/20_util/assume_aligned/1.cc | 1 + libstdc++-v3/testsuite/20_util/assume_aligned/3.cc | 1 + .../testsuite/20_util/shared_ptr/creation/array.cc | 1 + 7 files changed, 25 insertions(+), 14 deletions(-) diff --git a/libstdc++-v3/include/bits/char_traits.h b/libstdc++-v3/include/bits/char_traits.h index cac1326d4b5..b856b1da320 100644 --- a/libstdc++-v3/include/bits/char_traits.h +++ b/libstdc++-v3/include/bits/char_traits.h @@ -40,6 +40,9 @@ #include <cwchar> // For WEOF, wmemmove, wmemset, etc. #if __cplusplus >= 201103L # include <type_traits> +#if !defined __UINT_LEAST16_TYPE__ || !defined __UINT_LEAST32_TYPE__ +# include <cstdint> +#endif #endif #if __cplusplus >= 202002L # include <compare> @@ -728,8 +731,6 @@ _GLIBCXX_END_NAMESPACE_VERSION #if __cplusplus >= 201103L -#include <cstdint> - namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION @@ -738,10 +739,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct char_traits<char16_t> { typedef char16_t char_type; -#ifdef _GLIBCXX_USE_C99_STDINT_TR1 - typedef uint_least16_t int_type; -#elif defined __UINT_LEAST16_TYPE__ +#ifdef __UINT_LEAST16_TYPE__ typedef __UINT_LEAST16_TYPE__ int_type; +#elif defined _GLIBCXX_USE_C99_STDINT_TR1 + typedef uint_least16_t int_type; #else typedef make_unsigned<char16_t>::type int_type; #endif @@ -859,10 +860,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct char_traits<char32_t> { typedef char32_t char_type; -#ifdef _GLIBCXX_USE_C99_STDINT_TR1 - typedef uint_least32_t int_type; -#elif defined __UINT_LEAST32_TYPE__ +#ifdef __UINT_LEAST32_TYPE__ typedef __UINT_LEAST32_TYPE__ int_type; +#elif defined _GLIBCXX_USE_C99_STDINT_TR1 + typedef uint_least32_t int_type; #else typedef make_unsigned<char32_t>::type int_type; #endif diff --git a/libstdc++-v3/include/std/stacktrace b/libstdc++-v3/include/std/stacktrace index 1efaf253abb..39472d7236a 100644 --- a/libstdc++-v3/include/std/stacktrace +++ b/libstdc++-v3/include/std/stacktrace @@ -52,20 +52,20 @@ __glibcxx_backtrace_create_state(const char*, int, int __glibcxx_backtrace_simple(__glibcxx_backtrace_state*, int, - int (*) (void*, uintptr_t), + int (*) (void*, __UINTPTR_TYPE__), void(*)(void*, const char*, int), void*); int -__glibcxx_backtrace_pcinfo(__glibcxx_backtrace_state*, uintptr_t, - int (*)(void*, uintptr_t, +__glibcxx_backtrace_pcinfo(__glibcxx_backtrace_state*, __UINTPTR_TYPE__, + int (*)(void*, __UINTPTR_TYPE__, const char*, int, const char*), void(*)(void*, const char*, int), void*); int -__glibcxx_backtrace_syminfo(__glibcxx_backtrace_state*, uintptr_t addr, - void (*) (void*, uintptr_t, const char*, - uintptr_t, uintptr_t), +__glibcxx_backtrace_syminfo(__glibcxx_backtrace_state*, __UINTPTR_TYPE__ addr, + void (*) (void*, __UINTPTR_TYPE__, const char*, + __UINTPTR_TYPE__, __UINTPTR_TYPE__), void(*)(void*, const char*, int), void*); } @@ -225,6 +225,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION class basic_stacktrace { using _AllocTraits = allocator_traits<_Allocator>; + using uintptr_t = __UINTPTR_TYPE__; public: using value_type = stacktrace_entry; diff --git a/libstdc++-v3/src/c++11/cow-stdexcept.cc b/libstdc++-v3/src/c++11/cow-stdexcept.cc index 5ccf2ca2d74..9e8787485eb 100644 --- a/libstdc++-v3/src/c++11/cow-stdexcept.cc +++ b/libstdc++-v3/src/c++11/cow-stdexcept.cc @@ -200,6 +200,10 @@ _GLIBCXX_END_NAMESPACE_VERSION #if _GLIBCXX_USE_WEAK_REF #ifdef _GLIBCXX_USE_C99_STDINT_TR1 +#include <stdint.h> + +using std::size_t; + extern "C" { #ifndef _GLIBCXX_MANGLE_SIZE_T diff --git a/libstdc++-v3/src/c++17/floating_to_chars.cc b/libstdc++-v3/src/c++17/floating_to_chars.cc index 4599d68a39c..b1c915e8a68 100644 --- a/libstdc++-v3/src/c++17/floating_to_chars.cc +++ b/libstdc++-v3/src/c++17/floating_to_chars.cc @@ -85,6 +85,8 @@ using F128_type = __float128; using F128_type = void; #endif +#include <stdint.h> + namespace { #if defined __SIZEOF_INT128__ diff --git a/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc b/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc index 59379582cf9..0a1390d18e4 100644 --- a/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc +++ b/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc @@ -19,6 +19,7 @@ // { dg-do run { target c++2a } } #include <memory> +#include <cstdint> #include <testsuite_hooks.h> void diff --git a/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc b/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc index e1abf17e90a..93ee86c666e 100644 --- a/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc +++ b/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc @@ -20,6 +20,7 @@ // { dg-final { scan-assembler-not "undefined" } } #include <memory> +#include <cstdint> int* ptr(); extern "C" void undefined(); diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc index cd614c0ce0a..5c11a8b6285 100644 --- a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc +++ b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc @@ -65,6 +65,7 @@ test02() } #include <vector> +#include <cstdint> std::vector<std::uintptr_t> addresses;
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