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https://github.com/FEX-Emu/FEX.git
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Paulo Matos
2b4ec88dae
This follows discussions from #3413. Followup commits add clang-format file, script and blame ignore lists.
33 lines
937 B
C++
33 lines
937 B
C++
// SPDX-License-Identifier: MIT
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#pragma once
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#include <FEXCore/fextl/string.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <span>
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#include <unistd.h>
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namespace FHU::Symlinks {
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#ifndef _WIN32
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// Checks to see if a filepath is a symlink.
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inline bool IsSymlink(const fextl::string& Filename) {
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struct stat Buffer {};
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int Result = lstat(Filename.c_str(), &Buffer);
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return Result == 0 && S_ISLNK(Buffer.st_mode);
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}
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// Resolves a symlink path.
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// Doesn't handle recursive symlinks.
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// Doesn't append null terminator character.
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// Returns a string_view of the resolved path, or an empty view on error.
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inline std::string_view ResolveSymlink(const fextl::string& Filename, std::span<char> ResultBuffer) {
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ssize_t Result = readlink(Filename.c_str(), ResultBuffer.data(), ResultBuffer.size());
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if (Result == -1) {
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return {};
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}
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return std::string_view(ResultBuffer.data(), Result);
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}
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#endif
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} // namespace FHU::Symlinks
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