31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
Upstream status: Adapted from upstream.
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From d3d968e5835f449d7ea715f45160db81ea906303 Mon Sep 17 00:00:00 2001
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From: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Date: Tue, 16 Aug 2022 20:29:54 +0200
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Subject: [PATCH] Fix build on GNU/Hurd
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There is no path length limitation there, even via pathconf. But glibc
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provides a getcwd function that allocates the buffer dynamically so we can
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just leverage that.
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---
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include/ghc/filesystem.hpp | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/filesystem/filesystem.hpp.orig 2022-08-11 22:14:32.000000000 +0200
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+++ b/filesystem/filesystem.hpp 2023-06-13 07:26:25.310000000 +0200
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@@ -4081,6 +4081,13 @@
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return path();
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}
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return path(std::wstring(buffer.get()), path::native_format);
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+#elif defined(__GLIBC__)
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+ std::unique_ptr<char, decltype(&std::free)> buffer { ::getcwd(NULL, 0), std::free };
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+ if (buffer == nullptr) {
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+ ec = detail::make_system_error();
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+ return path();
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+ }
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+ return path(buffer.get());
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#else
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size_t pathlen = static_cast<size_t>(std::max(int(::pathconf(".", _PC_PATH_MAX)), int(PATH_MAX)));
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std::unique_ptr<char[]> buffer(new char[pathlen + 1]);
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