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71 lines
1.4 KiB
71 lines
1.4 KiB
#include "mergerfs_api.hpp"
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#include "fs_lgetxattr.hpp"
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#include "str.hpp"
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#include "scope_guard.hpp"
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#include <array>
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#include <cstring>
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typedef std::array<char,64*1024> mfs_api_buf_t;
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static
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int
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_lgetxattr(const std::string &input_path_,
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const std::string &key_,
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std::string &value_)
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{
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int rv;
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std::string key;
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mfs_api_buf_t buf;
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key = "user.mergerfs." + key_;
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rv = fs::lgetxattr(input_path_,key,buf.data(),buf.size());
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if(rv < 0)
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return rv;
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value_.clear();
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value_.reserve(rv);
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value_.append(buf.data(),(size_t)rv);
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return rv;
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}
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int
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mergerfs::api::allpaths(const std::string &input_path_,
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std::vector<std::string> &output_paths_)
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{
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int rv;
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std::string val;
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rv = ::_lgetxattr(input_path_,"allpaths",val);
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if(rv < 0)
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return rv;
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str::split_on_null(val,&output_paths_);
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return 0;
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}
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int
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mergerfs::api::basepath(const std::string &input_path_,
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std::string &basepath_)
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{
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return ::_lgetxattr(input_path_,"basepath",basepath_);
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}
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int
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mergerfs::api::relpath(const std::string &input_path_,
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std::string &relpath_)
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{
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return ::_lgetxattr(input_path_,"relpath",relpath_);
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}
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int
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mergerfs::api::fullpath(const std::string &input_path_,
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std::string &fullpath_)
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{
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return ::_lgetxattr(input_path_,"fullpath",fullpath_);
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}
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