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53 lines
1.5 KiB
53 lines
1.5 KiB
/*
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ISC License
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Copyright (c) 2026, Antonio SJ Musumeci <trapexit@spawn.link>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "fs_open_fd.hpp"
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#if defined(__linux__)
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#include "fmt/core.h"
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#include "fs_openat.hpp"
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#include "procfs.hpp"
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#include <cassert>
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int
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fs::open_fd(const int fd_,
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const int flags_)
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{
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assert(procfs::PROC_SELF_FD_FD > 0);
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const int flags = (flags_ & ~O_NOFOLLOW);
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return fs::openat(procfs::PROC_SELF_FD_FD,
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fmt::format("{}",fd_),
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flags);
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}
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#elif defined(__FreeBSD__)
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#include "fs_openat.hpp"
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int
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fs::open_fd(const int fd_,
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const int flags_)
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{
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const int flags = ((flags_ | O_EMPTY_PATH) & ~O_NOFOLLOW);
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return fs::openat(fd_,"",flags);
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}
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#else
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#error "fs::open_fd() not supported on platform"
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#endif
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