On Thu, 7 Sept 2023 at 20:30, Pekka Seppänen <p...@gcc.mail.kapsi.fi> wrote:
>
> On 7.9.2023 19:40, Jonathan Wakely wrote:
> > On 29/08/23 15:04 +0300, Pekka Seppänen wrote:
> >> libstdc++: Fix -Wunused-parameter warnings when _GLIBCXX_USE_WCHAR_T is
> >> not defined.
> >>
> >> libstdc++-v3/ChangeLog:
> >>
> >>     * src/c++11/cow-locale_init.cc: Add [[maybe_unused]] attribute.
> >>     * src/c++17/fs_path.cc (path::_S_convert_loc): Likewise.
> >>     * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
> >> ---
> >>  libstdc++-v3/src/c++11/cow-locale_init.cc | 4 ++--
> >>  libstdc++-v3/src/c++17/fs_path.cc         | 2 +-
> >>  libstdc++-v3/src/filesystem/path.cc       | 2 +-
> >>  3 files changed, 4 insertions(+), 4 deletions(-)
> >>
> >> mbstate_t>>(__loc);
> >>
> >> diff --git a/libstdc++-v3/src/c++11/cow-locale_init.cc
> >> b/libstdc++-v3/src/c++11/cow-locale_init.cc
> >> index 85277763427..9554ed1ebf9 100644
> >> --- a/libstdc++-v3/src/c++11/cow-locale_init.cc
> >> +++ b/libstdc++-v3/src/c++11/cow-locale_init.cc
> >> @@ -137,8 +137,8 @@ namespace
> >>    }
> >>
> >>    void
> >> -  locale::_Impl::_M_init_extra(void* cloc, void* clocm,
> >> -                               const char* __s, const char* __smon)
> >> +  locale::_Impl::_M_init_extra(void* cloc, [[maybe_unused]] void*
> >> clocm,
> >> +                   const char* __s, [[maybe_unused]] const char* __smon)
> >
> > This line should be split to keepo it below 80 columns.
> >
>
> Done, v2 follows.

Thanks, I'll get this one committed+pushed.


>
> > Otherwise the patch looks good, but please CC the libstdc++ list for
> > libstdc++ patches. Otherwise I won't see them, and they won't be
> > reviewed.
> >
>
> My bad, I wasn't aware of this.
>
> > Do you have a GCC copyright assignment on file? If not, please add a
> > sign-off to confirm you can submit this under the DCO terms:
> > https://gcc.gnu.org/dco.html
> >
>
> Will add.
>
> >
> >>    {
> >>      auto& __cloc = *static_cast<__c_locale*>(cloc);
> >>
> >> diff --git a/libstdc++-v3/src/c++17/fs_path.cc
> >> b/libstdc++-v3/src/c++17/fs_path.cc
> >> index aaea7d2725d..d65b5482e8b 100644
> >> --- a/libstdc++-v3/src/c++17/fs_path.cc
> >> +++ b/libstdc++-v3/src/c++17/fs_path.cc
> >> @@ -1947,7 +1947,7 @@ path::_M_split_cmpts()
> >>
> >>  path::string_type
> >>  path::_S_convert_loc(const char* __first, const char* __last,
> >> -             const std::locale& __loc)
> >> +             [[maybe_unused]] const std::locale& __loc)
> >>  {
> >>  #if _GLIBCXX_USE_WCHAR_T
> >>    auto& __cvt = std::use_facet<codecvt<wchar_t, char,
> >> mbstate_t>>(__loc);
> >> diff --git a/libstdc++-v3/src/filesystem/path.cc
> >> b/libstdc++-v3/src/filesystem/path.cc
> >> index 4c218bdae49..d04ba6d465d 100644
> >> --- a/libstdc++-v3/src/filesystem/path.cc
> >> +++ b/libstdc++-v3/src/filesystem/path.cc
> >> @@ -498,7 +498,7 @@ path::_M_trim()
> >>
> >>  path::string_type
> >>  path::_S_convert_loc(const char* __first, const char* __last,
> >> -             const std::locale& __loc)
> >> +             [[maybe_unused]] const std::locale& __loc)
> >>  {
> >>  #if _GLIBCXX_USE_WCHAR_T
> >>    auto& __cvt = std::use_facet<codecvt<wchar_t, char,
> >
> >
>
> -- >8 --
> libstdc++: Fix -Wunused-parameter warnings when _GLIBCXX_USE_WCHAR_T is
> not defined.
>
> libstdc++-v3/ChangeLog:
>
>         * src/c++11/cow-locale_init.cc: Add [[maybe_unused]] attribute.
>         * src/c++17/fs_path.cc (path::_S_convert_loc): Likewise.
>         * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
>
> Signed-off-by: Pekka Seppänen <p...@gcc.mail.kapsi.fi>
> ---
>  libstdc++-v3/src/c++11/cow-locale_init.cc | 5 +++--
>  libstdc++-v3/src/c++17/fs_path.cc         | 2 +-
>  libstdc++-v3/src/filesystem/path.cc       | 2 +-
>  3 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/libstdc++-v3/src/c++11/cow-locale_init.cc 
> b/libstdc++-v3/src/c++11/cow-locale_init.cc
> index 85277763427..f48561f5b12 100644
> --- a/libstdc++-v3/src/c++11/cow-locale_init.cc
> +++ b/libstdc++-v3/src/c++11/cow-locale_init.cc
> @@ -137,8 +137,9 @@ namespace
>    }
>
>    void
> -  locale::_Impl::_M_init_extra(void* cloc, void* clocm,
> -                               const char* __s, const char* __smon)
> +  locale::_Impl::_M_init_extra(void* cloc, [[maybe_unused]] void* clocm,
> +                              const char* __s,
> +                              [[maybe_unused]] const char* __smon)
>    {
>      auto& __cloc = *static_cast<__c_locale*>(cloc);
>
> diff --git a/libstdc++-v3/src/c++17/fs_path.cc 
> b/libstdc++-v3/src/c++17/fs_path.cc
> index aaea7d2725d..d65b5482e8b 100644
> --- a/libstdc++-v3/src/c++17/fs_path.cc
> +++ b/libstdc++-v3/src/c++17/fs_path.cc
> @@ -1947,7 +1947,7 @@ path::_M_split_cmpts()
>
>  path::string_type
>  path::_S_convert_loc(const char* __first, const char* __last,
> -                    const std::locale& __loc)
> +                    [[maybe_unused]] const std::locale& __loc)
>  {
>  #if _GLIBCXX_USE_WCHAR_T
>    auto& __cvt = std::use_facet<codecvt<wchar_t, char, mbstate_t>>(__loc);
> diff --git a/libstdc++-v3/src/filesystem/path.cc 
> b/libstdc++-v3/src/filesystem/path.cc
> index 4c218bdae49..d04ba6d465d 100644
> --- a/libstdc++-v3/src/filesystem/path.cc
> +++ b/libstdc++-v3/src/filesystem/path.cc
> @@ -498,7 +498,7 @@ path::_M_trim()
>
>  path::string_type
>  path::_S_convert_loc(const char* __first, const char* __last,
> -                    const std::locale& __loc)
> +                    [[maybe_unused]] const std::locale& __loc)
>  {
>  #if _GLIBCXX_USE_WCHAR_T
>    auto& __cvt = std::use_facet<codecvt<wchar_t, char, mbstate_t>>(__loc);
> --
> 2.42.0
>
>

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