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Commit ad585e17 authored by arcnmx's avatar arcnmx
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system/FileDescriptor: fix Duplicate result

dup2 returns new_fd on success, not 0
parent 8348a1ec
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src/io/FileDescriptor.hxx
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......@@ -178,7 +178,7 @@ public:
* Duplicate the file descriptor onto the given file descriptor.
*/
bool Duplicate(FileDescriptor new_fd) const noexcept {
return ::dup2(Get(), new_fd.Get()) == 0;
return ::dup2(Get(), new_fd.Get()) != -1;
}
/**
......
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