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ZealOS/docs/Kernel/BlkDev/DiskDirContext.CC.html
TomAwezome 1b75d91002 Fix Mount AHCI Port selection. 
Add arg to SATARep to specify drive types to show.
Add checks in AHCIPortInit to verify port signatures, add helper method to get signatures from port.
2021-08-02 16:40:05 -04:00

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<a name="l1"></a><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>DirContextDel</span><span class=cF0>(</span><span class=cF9>CDirContext</span><span class=cF0> *dirc, </span><span class=cF1>Bool</span><span class=cF0> restore=</span><span class=cF3>TRUE</span><span class=cF0>)
<a name="l2"></a>{</span><span class=cF2>//Change back to old cur_dir and drv.</span><span class=cF0>
<a name="l3"></a> </span><span class=cF9>CBlkDev</span><span class=cF0> *bd;
<a name="l4"></a>
<a name="l5"></a> </span><span class=cF1>if</span><span class=cF0> (!dirc)
<a name="l6"></a> </span><span class=cF1>return</span><span class=cF0>;
<a name="l7"></a> </span><span class=cF1>if</span><span class=cF0> (restore)
<a name="l8"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l9"></a> bd = dirc-&gt;old_dv-&gt;bd;
<a name="l10"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>bd-&gt;flags &amp; </span><span class=cF3>BDF_INIT_IN_PROGRESS</span><span class=cF7>)</span><span class=cF0>)
<a name="l11"></a> {
<a name="l12"></a> </span><span class=cF1>if</span><span class=cF0> (dirc-&gt;old_dir)
<a name="l13"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l14"></a> </span><span class=cF5>Drive</span><span class=cF0>(</span><span class=cF5>Drive2Letter</span><span class=cF7>(</span><span class=cF0>dirc-&gt;old_dv</span><span class=cF7>)</span><span class=cF0>);
<a name="l15"></a> </span><span class=cF5>Cd</span><span class=cF0>(dirc-&gt;old_dir);
<a name="l16"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l17"></a> }
<a name="l18"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l19"></a> {
<a name="l20"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dv = dirc-&gt;old_dv;
<a name="l21"></a> </span><span class=cF5>Free</span><span class=cF0>(</span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dir);
<a name="l22"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dir = </span><span class=cF5>StrNew</span><span class=cF0>(</span><span class=cF6>&quot;/&quot;</span><span class=cF0>);
<a name="l23"></a> }
<a name="l24"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l25"></a> </span><span class=cF5>Free</span><span class=cF0>(dirc-&gt;old_dir);
<a name="l26"></a> </span><span class=cF5>Free</span><span class=cF0>(dirc-&gt;mask);
<a name="l27"></a> </span><span class=cF5>Free</span><span class=cF0>(dirc);
<a name="l28"></a>}
<a name="l29"></a>
<a name="l30"></a></span><span class=cF9>CDirContext</span><span class=cF0> *</span><span class=cF5>DirContextNew</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *_mask, </span><span class=cF1>Bool</span><span class=cF0> make_mask=</span><span class=cF3>FALSE</span><span class=cF0>, </span><span class=cF1>Bool</span><span class=cF0> make_dirs=</span><span class=cF3>FALSE</span><span class=cF0>, </span><span class=cF1>Bool</span><span class=cF0> no_mask=</span><span class=cF3>FALSE</span><span class=cF0>)
<a name="l31"></a>{</span><span class=cF2>//Save cur_dir and drv. Change to new dir.</span><span class=cF0>
<a name="l32"></a> </span><span class=cF1>Bool</span><span class=cF0> valid = </span><span class=cF3>TRUE</span><span class=cF0>, old_silent;
<a name="l33"></a> </span><span class=cF9>I64</span><span class=cF0> mask_len = </span><span class=cF5>StrLen</span><span class=cF0>(_mask);
<a name="l34"></a> </span><span class=cF1>U8</span><span class=cF0> *buf, *mask, *tmp_mask, *semicolon_mask;
<a name="l35"></a> </span><span class=cF9>CDirContext</span><span class=cF0> *dirc = </span><span class=cF5>CAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CDirContext</span><span class=cF7>)</span><span class=cF0>);
<a name="l36"></a>
<a name="l37"></a> dirc-&gt;old_dir = </span><span class=cF5>StrNew</span><span class=cF0>(</span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dir);
<a name="l38"></a> dirc-&gt;old_dv = </span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dv;
<a name="l39"></a> mask = </span><span class=cF5>MStrUtil</span><span class=cF0>(_mask, </span><span class=cF3>SUF_REM_LEADING</span><span class=cF0> | </span><span class=cF3>SUF_REM_TRAILING</span><span class=cF0> | </span><span class=cF3>SUF_REM_CTRL_CHARS</span><span class=cF0>);
<a name="l40"></a> tmp_mask = mask;
<a name="l41"></a> </span><span class=cF1>if</span><span class=cF0> (*mask &amp;&amp; mask[</span><span class=cFE>1</span><span class=cF0>] == </span><span class=cF6>':'</span><span class=cF0>)
<a name="l42"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l43"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dv != </span><span class=cF5>Letter2Drive</span><span class=cF7>(</span><span class=cF0>*mask</span><span class=cF7>)</span><span class=cF0> &amp;&amp; !</span><span class=cF5>Drive</span><span class=cF7>(</span><span class=cF0>*mask</span><span class=cF7>)</span><span class=cF0>)
<a name="l44"></a> valid = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l45"></a> mask += </span><span class=cFE>2</span><span class=cF0>;
<a name="l46"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l47"></a> </span><span class=cF1>if</span><span class=cF0> (*mask == </span><span class=cF6>'~'</span><span class=cF0> &amp;&amp; </span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dv != </span><span class=cF5>Letter2Drive</span><span class=cF7>(</span><span class=cF6>'~'</span><span class=cF7>)</span><span class=cF0> &amp;&amp; !</span><span class=cF5>Drive</span><span class=cF7>(</span><span class=cF6>'~'</span><span class=cF7>)</span><span class=cF0>)
<a name="l48"></a> valid = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l49"></a> dirc-&gt;drive = </span><span class=cF5>Fs</span><span class=cF0>-&gt;cur_dv;
<a name="l50"></a> </span><span class=cF5>DriveCheck</span><span class=cF0>(dirc-&gt;drive);
<a name="l51"></a> buf = </span><span class=cF5>MAlloc</span><span class=cF0>(mask_len + </span><span class=cFE>2</span><span class=cF0>);
<a name="l52"></a> </span><span class=cF5>StrCopy</span><span class=cF0>(buf, mask);
<a name="l53"></a>
<a name="l54"></a> dirc-&gt;mask = </span><span class=cF5>MAlloc</span><span class=cF0>(mask_len + </span><span class=cFE>2</span><span class=cF0>);
<a name="l55"></a> </span><span class=cF1>if</span><span class=cF0> (no_mask)
<a name="l56"></a> *dirc-&gt;mask = </span><span class=cFE>0</span><span class=cF0>;
<a name="l57"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>StrOcc</span><span class=cF7>(</span><span class=cF0>buf, </span><span class=cF6>';'</span><span class=cF7>)</span><span class=cF0>)
<a name="l58"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l59"></a> semicolon_mask = </span><span class=cF5>MAlloc</span><span class=cF0>(mask_len + </span><span class=cFE>2</span><span class=cF0>);
<a name="l60"></a> </span><span class=cF5>StrCopy</span><span class=cF0>(semicolon_mask, mask);
<a name="l61"></a> </span><span class=cF5>StrFirstRemove</span><span class=cF0>(semicolon_mask, </span><span class=cF6>&quot;;&quot;</span><span class=cF0>, buf);
<a name="l62"></a> </span><span class=cF5>StrLastRemove</span><span class=cF0>(buf, </span><span class=cF6>&quot;/&quot;</span><span class=cF0>, dirc-&gt;mask);
<a name="l63"></a> </span><span class=cF5>CatPrint</span><span class=cF0>(dirc-&gt;mask, </span><span class=cF6>&quot;;%s&quot;</span><span class=cF0>, semicolon_mask);
<a name="l64"></a> </span><span class=cF5>Free</span><span class=cF0>(semicolon_mask);
<a name="l65"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l66"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l67"></a> </span><span class=cF5>StrLastRemove</span><span class=cF0>(buf, </span><span class=cF6>&quot;/&quot;</span><span class=cF0>, dirc-&gt;mask);
<a name="l68"></a>
<a name="l69"></a> </span><span class=cF1>if</span><span class=cF0> (*mask == </span><span class=cF6>'/'</span><span class=cF0> &amp;&amp; !*buf)
<a name="l70"></a> </span><span class=cF5>StrCopy</span><span class=cF0>(buf, </span><span class=cF6>&quot;/&quot;</span><span class=cF0>);
<a name="l71"></a></span><span class=cF2>//If began with Dir, change to Dir.</span><span class=cF0>
<a name="l72"></a> </span><span class=cF1>if</span><span class=cF0> (*buf &amp;&amp; !</span><span class=cF5>Cd</span><span class=cF7>(</span><span class=cF0>buf, make_dirs</span><span class=cF7>)</span><span class=cF0>)
<a name="l73"></a> valid = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l74"></a> </span><span class=cF1>if</span><span class=cF0> (valid &amp;&amp; make_mask)
<a name="l75"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l76"></a> </span><span class=cF1>if</span><span class=cF0> (!*dirc-&gt;mask)
<a name="l77"></a> {
<a name="l78"></a> </span><span class=cF5>Free</span><span class=cF0>(dirc-&gt;mask);
<a name="l79"></a> dirc-&gt;mask = </span><span class=cF5>StrNew</span><span class=cF0>(</span><span class=cF6>&quot;*&quot;</span><span class=cF0>);
<a name="l80"></a> }
<a name="l81"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l82"></a> {
<a name="l83"></a> </span><span class=cF1>if</span><span class=cF0> (!make_dirs || </span><span class=cF5>FileNameCheck</span><span class=cF7>(</span><span class=cF0>dirc-&gt;mask</span><span class=cF7>)</span><span class=cF0>)
<a name="l84"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l85"></a> old_silent = </span><span class=cF5>Silent</span><span class=cF0>;
<a name="l86"></a></span><span class=cF2>//Try mask to see if Dir. If Dir, change to dir and set to &quot;*&quot;.</span><span class=cF0>
<a name="l87"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Cd</span><span class=cF7>(</span><span class=cF0>dirc-&gt;mask, make_dirs</span><span class=cF7>)</span><span class=cF0>)
<a name="l88"></a> {
<a name="l89"></a> </span><span class=cF5>Free</span><span class=cF0>(dirc-&gt;mask);
<a name="l90"></a> dirc-&gt;mask = </span><span class=cF5>StrNew</span><span class=cF0>(</span><span class=cF6>&quot;*&quot;</span><span class=cF0>);
<a name="l91"></a> }
<a name="l92"></a> </span><span class=cF5>Silent</span><span class=cF0>(old_silent);
<a name="l93"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l94"></a> }
<a name="l95"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l96"></a> </span><span class=cF5>Free</span><span class=cF0>(buf);
<a name="l97"></a> </span><span class=cF5>Free</span><span class=cF0>(tmp_mask);
<a name="l98"></a> </span><span class=cF1>if</span><span class=cF0> (!valid)
<a name="l99"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l100"></a> </span><span class=cF5>DirContextDel</span><span class=cF0>(dirc);
<a name="l101"></a> dirc = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l102"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l103"></a> </span><span class=cF1>return</span><span class=cF0> dirc;
<a name="l104"></a>}
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