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34 lines
815 B
C++
34 lines
815 B
C++
#pragma once
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#include <FEXCore/Utils/LogManager.h>
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#include <FEXCore/fextl/string.h>
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#include <fcntl.h>
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#include <filesystem>
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#include <linux/limits.h>
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#include <optional>
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#include <unistd.h>
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namespace FEX {
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[[maybe_unused]]
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static
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std::optional<fextl::string> get_fdpath(int fd) {
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char SymlinkPath[PATH_MAX];
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std::filesystem::path Path = std::filesystem::path("/proc/self/fd") / std::to_string(fd);
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int Result = readlinkat(AT_FDCWD, Path.c_str(), SymlinkPath, sizeof(SymlinkPath));
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if (Result != -1) {
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return fextl::string(SymlinkPath, Result);
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}
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// Not fatal if an FD doesn't point to a file
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return std::nullopt;
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}
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inline
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int get_fdpath(int fd, char *SymlinkPath) {
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auto Path = fmt::format("/proc/self/fd/{}", fd);
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return readlinkat(AT_FDCWD, Path.c_str(), SymlinkPath, PATH_MAX);
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}
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}
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