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From: Jonathan Wakely <redi@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r13-4391] libstdc++: Do not use __used or __packed as identifiers Date: Tue, 29 Nov 2022 15:39:27 +0000 (GMT) [thread overview] Message-ID: <20221129153927.043B93858D35@sourceware.org> (raw) https://gcc.gnu.org/g:0ded30b361d2b1e43048b640e9ad6fef161fe9a9 commit r13-4391-g0ded30b361d2b1e43048b640e9ad6fef161fe9a9 Author: Jonathan Wakely <jwakely@redhat.com> Date: Mon Nov 28 20:48:55 2022 +0000 libstdc++: Do not use __used or __packed as identifiers These names (and __unused) are defined as macros by newlib. libstdc++-v3/ChangeLog: * include/std/format: Rename all variables called __used or __packed. * testsuite/17_intro/badnames.cc: Add no_pch options. * testsuite/17_intro/names.cc: Check __packed, __unused and __used. Diff: --- libstdc++-v3/include/std/format | 30 ++++++++++++++--------------- libstdc++-v3/testsuite/17_intro/badnames.cc | 1 + libstdc++-v3/testsuite/17_intro/names.cc | 10 ++++++++-- 3 files changed, 24 insertions(+), 17 deletions(-) diff --git a/libstdc++-v3/include/std/format b/libstdc++-v3/include/std/format index 23ffbdabed8..cb5ce40dece 100644 --- a/libstdc++-v3/include/std/format +++ b/libstdc++-v3/include/std/format @@ -2472,21 +2472,21 @@ namespace __format void _M_overflow() override { - auto __used = this->_M_used(); + auto __s = this->_M_used(); if (_M_max < 0) // No maximum. - _M_out = ranges::copy(__used, std::move(_M_out)).out; + _M_out = ranges::copy(__s, std::move(_M_out)).out; else if (_M_count < size_t(_M_max)) { auto __max = _M_max - _M_count; span<_CharT> __first; - if (__max < __used.size()) - __first = __used.first(__max); + if (__max < __s.size()) + __first = __s.first(__max); else - __first = __used; + __first = __s; _M_out = ranges::copy(__first, std::move(_M_out)).out; } this->_M_rewind(); - _M_count += __used.size(); + _M_count += __s.size(); } public: @@ -2529,8 +2529,8 @@ namespace __format void _M_overflow() { - auto __used = this->_M_used(); - _M_count += __used.size(); + auto __s = this->_M_used(); + _M_count += __s.size(); if (_M_max >= 0) { @@ -2544,7 +2544,7 @@ namespace __format { // No maximum character count. Just extend the span to allow // writing more characters to it. - this->_M_reset({__used.data(), __used.size() + 1024}, __used.end()); + this->_M_reset({__s.data(), __s.size() + 1024}, __s.end()); } } @@ -2594,12 +2594,12 @@ namespace __format { _Iter_sink::_M_overflow(); iter_difference_t<_OutIter> __count(_M_count); - auto __used = this->_M_used(); + auto __s = this->_M_used(); auto __last = _M_first; - if (__used.data() == _M_buf) // Wrote at least _M_max characters. + if (__s.data() == _M_buf) // Wrote at least _M_max characters. __last += _M_max; else - __last += iter_difference_t<_OutIter>(__used.size()); + __last += iter_difference_t<_OutIter>(__s.size()); return { __last, __count }; } }; @@ -3119,10 +3119,10 @@ namespace __format constexpr auto __pack_arg_types(const array<_Arg_t, _Nm>& __types) { - __UINT64_TYPE__ __packed = 0; + __UINT64_TYPE__ __packed_types = 0; for (auto __i = __types.rbegin(); __i != __types.rend(); ++__i) - __packed = (__packed << _Bits) | *__i; - return __packed; + __packed_types = (__packed_types << _Bits) | *__i; + return __packed_types; } } // namespace __format /// @endcond diff --git a/libstdc++-v3/testsuite/17_intro/badnames.cc b/libstdc++-v3/testsuite/17_intro/badnames.cc index 63c955e8277..5f1be094515 100644 --- a/libstdc++-v3/testsuite/17_intro/badnames.cc +++ b/libstdc++-v3/testsuite/17_intro/badnames.cc @@ -16,6 +16,7 @@ // <http://www.gnu.org/licenses/>. // { dg-do compile { target x86_64-*-linux* } } +// { dg-add-options no_pch } // Names taken from coding_style.bad_identifiers in the libstdc++ manual. // We can't test this on all targets, because these names are used in diff --git a/libstdc++-v3/testsuite/17_intro/names.cc b/libstdc++-v3/testsuite/17_intro/names.cc index 6490cd63307..ffbb199797b 100644 --- a/libstdc++-v3/testsuite/17_intro/names.cc +++ b/libstdc++-v3/testsuite/17_intro/names.cc @@ -129,8 +129,11 @@ #define ptr ( #endif -// This clashes with newlib so don't use it. +// These clash with newlib so don't use them. # define __lockable cannot be used as an identifier +# define __packed cannot be used as an identifier +# define __unused cannot be used as an identifier +# define __used cannot be used as an identifier #ifndef __APPLE__ #define __weak predefined qualifier on darwin @@ -239,8 +242,11 @@ #endif #if __has_include(<newlib.h>) -// newlib's <sys/cdefs.h> defines __lockable as a macro. +// newlib's <sys/cdefs.h> defines these as macros. #undef __lockable +#undef __packed +#undef __unused +#undef __used // newlib's <time.h> defines __tzrule_type with these members. #undef d #undef m
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