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Use the _MSVC_STL_UPDATE macro to detect STL (#4267)

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YexuanXiao 2024-12-19 22:47:13 +08:00 committed by GitHub
parent 7c50da5385
commit 7c3d0152e5
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1 changed files with 2 additions and 2 deletions
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4
include/fmt/ostream.h
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@ -35,7 +35,7 @@ class file_access {
friend auto get_file(BufType& obj) -> FILE* { return obj.*FileMemberPtr; }
};
#if FMT_MSC_VERSION
#ifdef _MSVC_STL_UPDATE
template class file_access<file_access_tag, std::filebuf,
&std::filebuf::_Myfile>;
auto get_file(std::filebuf&) -> FILE*;
@ -109,7 +109,7 @@ inline void vprint(std::ostream& os, string_view fmt, format_args args) {
auto buffer = memory_buffer();
detail::vformat_to(buffer, fmt, args);
FILE* f = nullptr;
#if FMT_MSC_VERSION && FMT_USE_RTTI
#if defined(_MSVC_STL_UPDATE) && FMT_USE_RTTI
if (auto* buf = dynamic_cast<std::filebuf*>(os.rdbuf()))
f = detail::get_file(*buf);
#elif defined(_WIN32) && defined(__GLIBCXX__) && FMT_USE_RTTI