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</pre><pre class="rust ">
<span class="kw">use</span> {<span class="ident">Errno</span>, <span class="prelude-ty">Result</span>, <span class="ident">NixPath</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">os</span>::<span class="ident">unix</span>::<span class="ident">io</span>::<span class="ident">AsRawFd</span>;
<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">vfs</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_pointer_width</span> <span class="op">=</span> <span class="string">&quot;32&quot;</span>)]</span>
<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">hwdep</span> {
<span class="kw">use</span> <span class="ident">libc</span>::{<span class="ident">c_uint</span>};
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">FsType</span> <span class="op">=</span> <span class="ident">c_uint</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">BlockSize</span> <span class="op">=</span> <span class="ident">c_uint</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">NameLen</span> <span class="op">=</span> <span class="ident">c_uint</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">FragmentSize</span> <span class="op">=</span> <span class="ident">c_uint</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">SwordType</span> <span class="op">=</span> <span class="ident">c_uint</span>;
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_pointer_width</span> <span class="op">=</span> <span class="string">&quot;64&quot;</span>)]</span>
<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">hwdep</span> {
<span class="kw">use</span> <span class="ident">libc</span>::{<span class="ident">c_long</span>};
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">FsType</span> <span class="op">=</span> <span class="ident">c_long</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">BlockSize</span> <span class="op">=</span> <span class="ident">c_long</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">NameLen</span> <span class="op">=</span> <span class="ident">c_long</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">FragmentSize</span> <span class="op">=</span> <span class="ident">c_long</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">SwordType</span> <span class="op">=</span> <span class="ident">c_long</span>;
}
<span class="kw">use</span> <span class="ident">sys</span>::<span class="ident">statfs</span>::<span class="ident">vfs</span>::<span class="ident">hwdep</span>::<span class="kw-2">*</span>;
<span class="attribute">#[<span class="ident">repr</span>(<span class="ident">C</span>)]</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>,<span class="ident">Copy</span>,<span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Statfs</span> {
<span class="kw">pub</span> <span class="ident">f_type</span>: <span class="ident">FsType</span>,
<span class="kw">pub</span> <span class="ident">f_bsize</span>: <span class="ident">BlockSize</span>,
<span class="kw">pub</span> <span class="ident">f_blocks</span>: <span class="ident">u64</span>,
<span class="kw">pub</span> <span class="ident">f_bfree</span>: <span class="ident">u64</span>,
<span class="kw">pub</span> <span class="ident">f_bavail</span>: <span class="ident">u64</span>,
<span class="kw">pub</span> <span class="ident">f_files</span>: <span class="ident">u64</span>,
<span class="kw">pub</span> <span class="ident">f_ffree</span>: <span class="ident">u64</span>,
<span class="kw">pub</span> <span class="ident">f_fsid</span>: <span class="ident">u64</span>,
<span class="kw">pub</span> <span class="ident">f_namelen</span>: <span class="ident">NameLen</span>,
<span class="kw">pub</span> <span class="ident">f_frsize</span>: <span class="ident">FragmentSize</span>,
<span class="kw">pub</span> <span class="ident">f_spare</span>: [<span class="ident">SwordType</span>; <span class="number">5</span>],
}
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">ADFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xadf5</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">AFFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xADFF</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">BEFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x42465331</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">BFS_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x1BADFACE</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CIFS_MAGIC_NUMBER</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xFF534D42</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CODA_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x73757245</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">COH_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x012FF7B7</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CRAMFS_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x28cd3d45</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">DEVFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x1373</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x00414A53</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EXT_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x137D</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EXT2_OLD_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xEF51</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EXT2_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xEF53</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EXT3_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xEF53</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">EXT4_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xEF53</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">HFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x4244</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">HPFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xF995E849</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">HUGETLBFS_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x958458f6</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">ISOFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x9660</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">JFFS2_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x72b6</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">JFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x3153464a</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MINIX_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x137F</span>; <span class="comment">/* orig. minix */</span>
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MINIX_SUPER_MAGIC2</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x138F</span>; <span class="comment">/* 30 char minix */</span>
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MINIX2_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x2468</span>; <span class="comment">/* minix V2 */</span>
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MINIX2_SUPER_MAGIC2</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x2478</span>; <span class="comment">/* minix V2, 30 char names */</span>
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">MSDOS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x4d44</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">NCP_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x564c</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">NFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x6969</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">NTFS_SB_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x5346544e</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">OPENPROM_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x9fa1</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">PROC_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x9fa0</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">QNX4_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x002f</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">REISERFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x52654973</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">ROMFS_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x7275</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SMB_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x517B</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SYSV2_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x012FF7B6</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">SYSV4_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x012FF7B5</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">TMPFS_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x01021994</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">UDF_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x15013346</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">UFS_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x00011954</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">USBDEVICE_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x9fa2</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">VXFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0xa501FCF5</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">XENIX_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x012FF7B4</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">XFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x58465342</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_XIAFS_SUPER_MAGIC</span> : <span class="ident">FsType</span> <span class="op">=</span> <span class="number">0x012FD16D</span>;
}
<span class="kw">mod</span> <span class="ident">ffi</span> {
<span class="kw">use</span> <span class="ident">libc</span>::{<span class="ident">c_int</span>,<span class="ident">c_char</span>};
<span class="kw">use</span> <span class="ident">sys</span>::<span class="ident">statfs</span>::<span class="ident">vfs</span>;
<span class="kw">extern</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">statfs</span>(<span class="ident">path</span>: <span class="op">*</span> <span class="kw">const</span> <span class="ident">c_char</span>, <span class="ident">buf</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">vfs</span>::<span class="ident">Statfs</span>) <span class="op">-&gt;</span> <span class="ident">c_int</span>;
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fstatfs</span>(<span class="ident">fd</span>: <span class="ident">c_int</span>, <span class="ident">buf</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">vfs</span>::<span class="ident">Statfs</span>) <span class="op">-&gt;</span> <span class="ident">c_int</span>;
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">statfs</span><span class="op">&lt;</span><span class="ident">P</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span><span class="op">&gt;</span>(<span class="ident">path</span>: <span class="kw-2">&amp;</span><span class="ident">P</span>, <span class="ident">stat</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">vfs</span>::<span class="ident">Statfs</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
<span class="kw">unsafe</span> {
<span class="ident">Errno</span>::<span class="ident">clear</span>();
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(
<span class="ident">path</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">path</span><span class="op">|</span> <span class="ident">ffi</span>::<span class="ident">statfs</span>(<span class="ident">path</span>.<span class="ident">as_ptr</span>(), <span class="ident">stat</span>))
);
<span class="ident">Errno</span>::<span class="ident">result</span>(<span class="ident">res</span>).<span class="ident">map</span>(<span class="ident">drop</span>)
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fstatfs</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">AsRawFd</span><span class="op">&gt;</span>(<span class="ident">fd</span>: <span class="kw-2">&amp;</span><span class="ident">T</span>, <span class="ident">stat</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">vfs</span>::<span class="ident">Statfs</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
<span class="kw">unsafe</span> {
<span class="ident">Errno</span>::<span class="ident">clear</span>();
<span class="ident">Errno</span>::<span class="ident">result</span>(<span class="ident">ffi</span>::<span class="ident">fstatfs</span>(<span class="ident">fd</span>.<span class="ident">as_raw_fd</span>(), <span class="ident">stat</span>)).<span class="ident">map</span>(<span class="ident">drop</span>)
}
}
</pre>
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