forked from lix-project/lix
949dc84894
https://hydra.nixos.org/build/107467517 Seems that on i686-linux, gcc and rustc disagree on how to return 1-word structs: gcc has the caller pass a pointer to the result, while rustc has the callee return the result in a register. Work around this by using a bare pointer.
37 lines
1,023 B
C++
37 lines
1,023 B
C++
#include "rust-ffi.hh"
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#include "compression.hh"
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extern "C" {
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rust::Result<std::tuple<>> *
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unpack_tarfile(rust::Source source, rust::StringSlice dest_dir);
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}
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namespace nix {
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void unpackTarfile(Source & source, const Path & destDir)
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{
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rust::Source source2(source);
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rust::CBox(unpack_tarfile(source2, destDir))->unwrap();
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}
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void unpackTarfile(const Path & tarFile, const Path & destDir,
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std::optional<std::string> baseName)
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{
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if (!baseName) baseName = baseNameOf(tarFile);
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auto source = sinkToSource([&](Sink & sink) {
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// FIXME: look at first few bytes to determine compression type.
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auto decompressor =
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// FIXME: add .gz support
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hasSuffix(*baseName, ".bz2") ? makeDecompressionSink("bzip2", sink) :
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hasSuffix(*baseName, ".xz") ? makeDecompressionSink("xz", sink) :
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makeDecompressionSink("none", sink);
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readFile(tarFile, *decompressor);
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decompressor->finish();
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});
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unpackTarfile(*source, destDir);
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}
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}
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