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| <section id='main' class="content"><pre class="line-numbers"><span id="1"> 1</span> |
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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">libc</span>::{<span class="ident">c_int</span>, <span class="ident">c_char</span>}; |
| |
| <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"linux"</span>, |
| <span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, |
| <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>, |
| <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>)), |
| )]</span> |
| <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">quota</span> { |
| <span class="kw">use</span> <span class="ident">libc</span>::{<span class="self">self</span>, <span class="ident">c_int</span>}; |
| |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">QuotaCmd</span>(<span class="kw">pub</span> <span class="ident">QuotaSubCmd</span>, <span class="kw">pub</span> <span class="ident">QuotaType</span>); |
| <span class="kw">pub</span> <span class="kw">type</span> <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="ident">c_int</span>; |
| |
| <span class="kw">impl</span> <span class="ident">QuotaCmd</span> { |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">as_int</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">c_int</span> { |
| ((<span class="self">self</span>.<span class="number">0</span> <span class="op"><<</span> <span class="number">8</span>) <span class="op">|</span> (<span class="self">self</span>.<span class="number">1</span> <span class="op">&</span> <span class="number">0x00ff</span>)) <span class="kw">as</span> <span class="ident">c_int</span> |
| } |
| } |
| |
| <span class="comment">// linux quota version >= 2</span> |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_SYNC</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800001</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_QUOTAON</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800002</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_QUOTAOFF</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800003</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_GETFMT</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800004</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_GETINFO</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800005</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_SETINFO</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800006</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_GETQUOTA</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800007</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">Q_SETQUOTA</span>: <span class="ident">QuotaSubCmd</span> <span class="op">=</span> <span class="number">0x800008</span>; |
| |
| <span class="kw">pub</span> <span class="kw">type</span> <span class="ident">QuotaType</span> <span class="op">=</span> <span class="ident">c_int</span>; |
| |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">USRQUOTA</span>: <span class="ident">QuotaType</span> <span class="op">=</span> <span class="number">0</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">GRPQUOTA</span>: <span class="ident">QuotaType</span> <span class="op">=</span> <span class="number">1</span>; |
| |
| <span class="kw">pub</span> <span class="kw">type</span> <span class="ident">QuotaFmt</span> <span class="op">=</span> <span class="ident">c_int</span>; |
| |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">QFMT_VFS_OLD</span>: <span class="ident">QuotaFmt</span> <span class="op">=</span> <span class="number">1</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">QFMT_VFS_V0</span>: <span class="ident">QuotaFmt</span> <span class="op">=</span> <span class="number">2</span>; |
| <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">QFMT_VFS_V1</span>: <span class="ident">QuotaFmt</span> <span class="op">=</span> <span class="number">4</span>; |
| |
| <span class="macro">libc_bitflags</span><span class="macro">!</span>( |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Default</span>)]</span> |
| <span class="kw">pub</span> <span class="ident">flags</span> <span class="ident">QuotaValidFlags</span>: <span class="ident">u32</span> { |
| <span class="ident">QIF_BLIMITS</span>, |
| <span class="ident">QIF_SPACE</span>, |
| <span class="ident">QIF_ILIMITS</span>, |
| <span class="ident">QIF_INODES</span>, |
| <span class="ident">QIF_BTIME</span>, |
| <span class="ident">QIF_ITIME</span>, |
| <span class="ident">QIF_LIMITS</span>, |
| <span class="ident">QIF_USAGE</span>, |
| <span class="ident">QIF_TIMES</span>, |
| <span class="ident">QIF_ALL</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">Default</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">Dqblk</span> { |
| <span class="kw">pub</span> <span class="ident">bhardlimit</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">bsoftlimit</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">curspace</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">ihardlimit</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">isoftlimit</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">curinodes</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">btime</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">itime</span>: <span class="ident">u64</span>, |
| <span class="kw">pub</span> <span class="ident">valid</span>: <span class="ident">QuotaValidFlags</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">extern</span> { |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">quotactl</span>(<span class="ident">cmd</span>: <span class="ident">c_int</span>, <span class="ident">special</span>: <span class="op">*</span> <span class="kw">const</span> <span class="ident">c_char</span>, <span class="ident">id</span>: <span class="ident">c_int</span>, <span class="ident">data</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">c_char</span>) <span class="op">-></span> <span class="ident">c_int</span>; |
| } |
| } |
| |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">ptr</span>; |
| |
| <span class="kw">fn</span> <span class="ident">quotactl</span><span class="op"><</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">></span>(<span class="ident">cmd</span>: <span class="ident">quota</span>::<span class="ident">QuotaCmd</span>, <span class="ident">special</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">P</span><span class="op">></span>, <span class="ident">id</span>: <span class="ident">c_int</span>, <span class="ident">addr</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">c_char</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></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="kw">match</span> <span class="ident">special</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">dev</span>) <span class="op">=></span> <span class="ident">dev</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">quotactl</span>(<span class="ident">cmd</span>.<span class="ident">as_int</span>(), <span class="ident">path</span>.<span class="ident">as_ptr</span>(), <span class="ident">id</span>, <span class="ident">addr</span>)), |
| <span class="prelude-val">None</span> <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">ffi</span>::<span class="ident">quotactl</span>(<span class="ident">cmd</span>.<span class="ident">as_int</span>(), <span class="ident">ptr</span>::<span class="ident">null</span>(), <span class="ident">id</span>, <span class="ident">addr</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">quotactl_on</span><span class="op"><</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">></span>(<span class="ident">which</span>: <span class="ident">quota</span>::<span class="ident">QuotaType</span>, <span class="ident">special</span>: <span class="kw-2">&</span><span class="ident">P</span>, <span class="ident">format</span>: <span class="ident">quota</span>::<span class="ident">QuotaFmt</span>, <span class="ident">quota_file</span>: <span class="kw-2">&</span><span class="ident">P</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="macro">try</span><span class="macro">!</span>(<span class="ident">quota_file</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">path</span><span class="op">|</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">path_copy</span> <span class="op">=</span> <span class="ident">path</span>.<span class="ident">to_bytes_with_nul</span>().<span class="ident">to_owned</span>(); |
| <span class="kw">let</span> <span class="ident">p</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">c_char</span> <span class="op">=</span> <span class="ident">path_copy</span>.<span class="ident">as_mut_ptr</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">c_char</span>; |
| <span class="ident">quotactl</span>(<span class="ident">quota</span>::<span class="ident">QuotaCmd</span>(<span class="ident">quota</span>::<span class="ident">Q_QUOTAON</span>, <span class="ident">which</span>), <span class="prelude-val">Some</span>(<span class="ident">special</span>), <span class="ident">format</span> <span class="kw">as</span> <span class="ident">c_int</span>, <span class="ident">p</span>) |
| })) |
| } |
| |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">quotactl_off</span><span class="op"><</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">></span>(<span class="ident">which</span>: <span class="ident">quota</span>::<span class="ident">QuotaType</span>, <span class="ident">special</span>: <span class="kw-2">&</span><span class="ident">P</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="ident">quotactl</span>(<span class="ident">quota</span>::<span class="ident">QuotaCmd</span>(<span class="ident">quota</span>::<span class="ident">Q_QUOTAOFF</span>, <span class="ident">which</span>), <span class="prelude-val">Some</span>(<span class="ident">special</span>), <span class="number">0</span>, <span class="ident">ptr</span>::<span class="ident">null_mut</span>()) |
| } |
| |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">quotactl_sync</span><span class="op"><</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">></span>(<span class="ident">which</span>: <span class="ident">quota</span>::<span class="ident">QuotaType</span>, <span class="ident">special</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">P</span><span class="op">></span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="ident">quotactl</span>(<span class="ident">quota</span>::<span class="ident">QuotaCmd</span>(<span class="ident">quota</span>::<span class="ident">Q_SYNC</span>, <span class="ident">which</span>), <span class="ident">special</span>, <span class="number">0</span>, <span class="ident">ptr</span>::<span class="ident">null_mut</span>()) |
| } |
| |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">quotactl_get</span><span class="op"><</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">></span>(<span class="ident">which</span>: <span class="ident">quota</span>::<span class="ident">QuotaType</span>, <span class="ident">special</span>: <span class="kw-2">&</span><span class="ident">P</span>, <span class="ident">id</span>: <span class="ident">c_int</span>, <span class="ident">dqblk</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">quota</span>::<span class="ident">Dqblk</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">mem</span>; |
| <span class="kw">unsafe</span> { |
| <span class="ident">quotactl</span>(<span class="ident">quota</span>::<span class="ident">QuotaCmd</span>(<span class="ident">quota</span>::<span class="ident">Q_GETQUOTA</span>, <span class="ident">which</span>), <span class="prelude-val">Some</span>(<span class="ident">special</span>), <span class="ident">id</span>, <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">dqblk</span>)) |
| } |
| } |
| |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">quotactl_set</span><span class="op"><</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">></span>(<span class="ident">which</span>: <span class="ident">quota</span>::<span class="ident">QuotaType</span>, <span class="ident">special</span>: <span class="kw-2">&</span><span class="ident">P</span>, <span class="ident">id</span>: <span class="ident">c_int</span>, <span class="ident">dqblk</span>: <span class="kw-2">&</span><span class="ident">quota</span>::<span class="ident">Dqblk</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">mem</span>; |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">dqblk_copy</span> <span class="op">=</span> <span class="kw-2">*</span><span class="ident">dqblk</span>; |
| <span class="kw">unsafe</span> { |
| <span class="ident">quotactl</span>(<span class="ident">quota</span>::<span class="ident">QuotaCmd</span>(<span class="ident">quota</span>::<span class="ident">Q_SETQUOTA</span>, <span class="ident">which</span>), <span class="prelude-val">Some</span>(<span class="ident">special</span>), <span class="ident">id</span>, <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">dqblk_copy</span>)) |
| } |
| } |
| </pre> |
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