mirror of
https://github.com/trapexit/mergerfs.git
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56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
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/*
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Copyright (c) 2016, 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 <sys/statvfs.h>
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#include <string>
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#include "success_fail.hpp"
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namespace StatVFS
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{
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static
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inline
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bool
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readonly(const struct statvfs &st)
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{
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return (st.f_flag & ST_RDONLY);
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}
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static
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inline
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bool
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readonly(const std::string &path)
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{
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int rv;
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struct statvfs st;
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rv = ::statvfs(path.c_str(),&st);
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if(STATVFS_FAILED(rv))
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return false;
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return readonly(st);
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}
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static
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inline
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fsblkcnt_t
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spaceavail(const struct statvfs &st)
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{
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return (st.f_frsize * st.f_bavail);
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}
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}
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