Ticket #13115: report-77d0e1.html

File report-77d0e1.html, 29.6 KB (added by mt, 8 years ago)

report by Clang Static Analyzer

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1<!doctype html>
2<html>
3<head>
4<title>/home/haiku/haiku/haiku/src/kits/tracker/NodePreloader.cpp</title>
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6 body { color:#000000; background-color:#ffffff }
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63</head>
64<body>
65<!-- BUGDESC Potential leak of memory pointed to by 'result' -->
66
67<!-- BUGTYPE Memory leak -->
68
69<!-- BUGCATEGORY Memory Error -->
70
71<!-- BUGFILE /home/haiku/haiku/haiku/src/kits/tracker/NodePreloader.cpp -->
72
73<!-- FILENAME NodePreloader.cpp -->
74
75<!-- FUNCTIONNAME InstallNodePreloader -->
76
77<!-- ISSUEHASHCONTENTOFLINEINCONTEXT 032753b2041383fd0b8fcbd2fb546ab6 -->
78
79<!-- BUGLINE 61 -->
80
81<!-- BUGCOLUMN 11 -->
82
83<!-- BUGPATHLENGTH 3 -->
84
85<!-- BUGMETAEND -->
86<!-- REPORTHEADER -->
87<h3>Bug Summary</h3>
88<table class="simpletable">
89<tr><td class="rowname">File:</td><td>src/kits/tracker/NodePreloader.cpp</td></tr>
90<tr><td class="rowname">Warning:</td><td><a href="#EndPath">line 61, column 11</a><br />Potential leak of memory pointed to by 'result'</td></tr>
91</table>
92<!-- REPORTSUMMARYEXTRA -->
93<h3>Annotated Source Code</h3>
94<table class="code">
95<tr><td class="num" id="LN1">1</td><td class="line"><span class='comment'>/*</span></td></tr>
96<tr><td class="num" id="LN2">2</td><td class="line"><span class='comment'>Open Tracker License</span></td></tr>
97<tr><td class="num" id="LN3">3</td><td class="line"> </td></tr>
98<tr><td class="num" id="LN4">4</td><td class="line"><span class='comment'>Terms and Conditions</span></td></tr>
99<tr><td class="num" id="LN5">5</td><td class="line"> </td></tr>
100<tr><td class="num" id="LN6">6</td><td class="line"><span class='comment'>Copyright (c) 1991-2000, Be Incorporated. All rights reserved.</span></td></tr>
101<tr><td class="num" id="LN7">7</td><td class="line"> </td></tr>
102<tr><td class="num" id="LN8">8</td><td class="line"><span class='comment'>Permission is hereby granted, free of charge, to any person obtaining a copy of</span></td></tr>
103<tr><td class="num" id="LN9">9</td><td class="line"><span class='comment'>this software and associated documentation files (the "Software"), to deal in</span></td></tr>
104<tr><td class="num" id="LN10">10</td><td class="line"><span class='comment'>the Software without restriction, including without limitation the rights to</span></td></tr>
105<tr><td class="num" id="LN11">11</td><td class="line"><span class='comment'>use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies</span></td></tr>
106<tr><td class="num" id="LN12">12</td><td class="line"><span class='comment'>of the Software, and to permit persons to whom the Software is furnished to do</span></td></tr>
107<tr><td class="num" id="LN13">13</td><td class="line"><span class='comment'>so, subject to the following conditions:</span></td></tr>
108<tr><td class="num" id="LN14">14</td><td class="line"> </td></tr>
109<tr><td class="num" id="LN15">15</td><td class="line"><span class='comment'>The above copyright notice and this permission notice applies to all licensees</span></td></tr>
110<tr><td class="num" id="LN16">16</td><td class="line"><span class='comment'>and shall be included in all copies or substantial portions of the Software.</span></td></tr>
111<tr><td class="num" id="LN17">17</td><td class="line"> </td></tr>
112<tr><td class="num" id="LN18">18</td><td class="line"><span class='comment'>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></td></tr>
113<tr><td class="num" id="LN19">19</td><td class="line"><span class='comment'>IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,</span></td></tr>
114<tr><td class="num" id="LN20">20</td><td class="line"><span class='comment'>FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span></td></tr>
115<tr><td class="num" id="LN21">21</td><td class="line"><span class='comment'>BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN</span></td></tr>
116<tr><td class="num" id="LN22">22</td><td class="line"><span class='comment'>AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION</span></td></tr>
117<tr><td class="num" id="LN23">23</td><td class="line"><span class='comment'>WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span></td></tr>
118<tr><td class="num" id="LN24">24</td><td class="line"> </td></tr>
119<tr><td class="num" id="LN25">25</td><td class="line"><span class='comment'>Except as contained in this notice, the name of Be Incorporated shall not be</span></td></tr>
120<tr><td class="num" id="LN26">26</td><td class="line"><span class='comment'>used in advertising or otherwise to promote the sale, use or other dealings in</span></td></tr>
121<tr><td class="num" id="LN27">27</td><td class="line"><span class='comment'>this Software without prior written authorization from Be Incorporated.</span></td></tr>
122<tr><td class="num" id="LN28">28</td><td class="line"> </td></tr>
123<tr><td class="num" id="LN29">29</td><td class="line"><span class='comment'>Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks</span></td></tr>
124<tr><td class="num" id="LN30">30</td><td class="line"><span class='comment'>of Be Incorporated in the United States and other countries. Other brand product</span></td></tr>
125<tr><td class="num" id="LN31">31</td><td class="line"><span class='comment'>names are registered trademarks or trademarks of their respective holders.</span></td></tr>
126<tr><td class="num" id="LN32">32</td><td class="line"><span class='comment'>All rights reserved.</span></td></tr>
127<tr><td class="num" id="LN33">33</td><td class="line"><span class='comment'>*/</span></td></tr>
128<tr><td class="num" id="LN34">34</td><td class="line"> </td></tr>
129<tr><td class="num" id="LN35">35</td><td class="line"><span class='comment'>// NodePreloader manages caching up icons from apps and prefs folder for</span></td></tr>
130<tr><td class="num" id="LN36">36</td><td class="line"><span class='comment'>// fast display</span></td></tr>
131<tr><td class="num" id="LN37">37</td><td class="line"><span class='comment'>//</span></td></tr>
132<tr><td class="num" id="LN38">38</td><td class="line"> </td></tr>
133<tr><td class="num" id="LN39">39</td><td class="line"><span class='directive'>#include &lt;Debug.h&gt;</span></td></tr>
134<tr><td class="num" id="LN40">40</td><td class="line"><span class='directive'>#include &lt;Directory.h&gt;</span></td></tr>
135<tr><td class="num" id="LN41">41</td><td class="line"><span class='directive'>#include &lt;Entry.h&gt;</span></td></tr>
136<tr><td class="num" id="LN42">42</td><td class="line"><span class='directive'>#include &lt;FindDirectory.h&gt;</span></td></tr>
137<tr><td class="num" id="LN43">43</td><td class="line"><span class='directive'>#include &lt;Node.h&gt;</span></td></tr>
138<tr><td class="num" id="LN44">44</td><td class="line"><span class='directive'>#include &lt;NodeMonitor.h&gt;</span></td></tr>
139<tr><td class="num" id="LN45">45</td><td class="line"><span class='directive'>#include &lt;Path.h&gt;</span></td></tr>
140<tr><td class="num" id="LN46">46</td><td class="line"> </td></tr>
141<tr><td class="num" id="LN47">47</td><td class="line"><span class='directive'>#include "AutoLock.h"</span></td></tr>
142<tr><td class="num" id="LN48">48</td><td class="line"><span class='directive'>#include "IconCache.h"</span></td></tr>
143<tr><td class="num" id="LN49">49</td><td class="line"><span class='directive'>#include "NodePreloader.h"</span></td></tr>
144<tr><td class="num" id="LN50">50</td><td class="line"><span class='directive'>#include "Thread.h"</span></td></tr>
145<tr><td class="num" id="LN51">51</td><td class="line"><span class='directive'>#include "Tracker.h"</span></td></tr>
146<tr><td class="num" id="LN52">52</td><td class="line"> </td></tr>
147<tr><td class="num" id="LN53">53</td><td class="line"> </td></tr>
148<tr><td class="num" id="LN54">54</td><td class="line">NodePreloader*</td></tr>
149<tr><td class="num" id="LN55">55</td><td class="line">NodePreloader::InstallNodePreloader(<span class='keyword'>const</span> <span class='keyword'>char</span>* name, BLooper* host)</td></tr>
150<tr><td class="num" id="LN56">56</td><td class="line">{</td></tr>
151<tr><td class="num" id="LN57">57</td><td class="line"> NodePreloader* result = <span class="mrange"><span class='keyword'>new</span> NodePreloader(name)</span>;</td></tr>
152<tr><td class="num"></td><td class="line"><div id="Path1" class="msg msgEvent" style="margin-left:33ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">1</div></td><td>Memory is allocated</td><td><div class="PathNav"><a href="#Path2" title="Next event (2)">&#x2192;</a></div></td></tr></table></div></td></tr>
153<tr><td class="num" id="LN58">58</td><td class="line"> {</td></tr>
154<tr><td class="num" id="LN59">59</td><td class="line"> AutoLock&lt;BLooper&gt; lock(host);</td></tr>
155<tr><td class="num" id="LN60">60</td><td class="line"> <span class='keyword'>if</span> (!lock)</td></tr>
156<tr><td class="num"></td><td class="line"><div id="Path2" class="msg msgControl" style="margin-left:17ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">2</div></td><td><div class="PathNav"><a href="#Path1" title="Previous event (1)">&#x2190;</a></div></td></td><td>Taking true branch</td><td><div class="PathNav"><a href="#EndPath" title="Next event (3)">&#x2192;</a></div></td></tr></table></div></td></tr>
157<tr><td class="num" id="LN61">61</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
158<tr><td class="num"></td><td class="line"><div id="EndPath" class="msg msgControl" style="margin-left:32ex; max-width:100em"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexControl">3</div></td><td><div class="PathNav"><a href="#Path2" title="Previous event (2)">&#x2190;</a></div></td></td><td>Within the expansion of the macro 'NULL':
159</td></tr></table><div class="msg msgEvent" style="width:94%; margin-left:5px"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">a</div></td><td valign="top">Potential leak of memory pointed to by 'result'</td></tr></table></div>
160</div></td></tr>
161<tr><td class="num" id="LN62">62</td><td class="line"> </td></tr>
162<tr><td class="num" id="LN63">63</td><td class="line"> host-&gt;AddHandler(result);</td></tr>
163<tr><td class="num" id="LN64">64</td><td class="line"> }</td></tr>
164<tr><td class="num" id="LN65">65</td><td class="line"> result-&gt;Run();</td></tr>
165<tr><td class="num" id="LN66">66</td><td class="line"> </td></tr>
166<tr><td class="num" id="LN67">67</td><td class="line"> <span class='keyword'>return</span> result;</td></tr>
167<tr><td class="num" id="LN68">68</td><td class="line">}</td></tr>
168<tr><td class="num" id="LN69">69</td><td class="line"> </td></tr>
169<tr><td class="num" id="LN70">70</td><td class="line"> </td></tr>
170<tr><td class="num" id="LN71">71</td><td class="line">NodePreloader::NodePreloader(<span class='keyword'>const</span> <span class='keyword'>char</span>* name)</td></tr>
171<tr><td class="num" id="LN72">72</td><td class="line"> :</td></tr>
172<tr><td class="num" id="LN73">73</td><td class="line"> BHandler(name),</td></tr>
173<tr><td class="num" id="LN74">74</td><td class="line"> fModelList(20, <span class='keyword'>true</span>),</td></tr>
174<tr><td class="num" id="LN75">75</td><td class="line"> fQuitRequested(<span class='keyword'>false</span>)</td></tr>
175<tr><td class="num" id="LN76">76</td><td class="line">{</td></tr>
176<tr><td class="num" id="LN77">77</td><td class="line">}</td></tr>
177<tr><td class="num" id="LN78">78</td><td class="line"> </td></tr>
178<tr><td class="num" id="LN79">79</td><td class="line"> </td></tr>
179<tr><td class="num" id="LN80">80</td><td class="line">NodePreloader::~NodePreloader()</td></tr>
180<tr><td class="num" id="LN81">81</td><td class="line">{</td></tr>
181<tr><td class="num" id="LN82">82</td><td class="line"> <span class='comment'>// block deletion while we are locked</span></td></tr>
182<tr><td class="num" id="LN83">83</td><td class="line"> fQuitRequested = <span class='keyword'>true</span>;</td></tr>
183<tr><td class="num" id="LN84">84</td><td class="line"> fLock.Lock();</td></tr>
184<tr><td class="num" id="LN85">85</td><td class="line">}</td></tr>
185<tr><td class="num" id="LN86">86</td><td class="line"> </td></tr>
186<tr><td class="num" id="LN87">87</td><td class="line"> </td></tr>
187<tr><td class="num" id="LN88">88</td><td class="line"><span class='keyword'>void</span></td></tr>
188<tr><td class="num" id="LN89">89</td><td class="line">NodePreloader::Run()</td></tr>
189<tr><td class="num" id="LN90">90</td><td class="line">{</td></tr>
190<tr><td class="num" id="LN91">91</td><td class="line"> fLock.Lock();</td></tr>
191<tr><td class="num" id="LN92">92</td><td class="line"> Thread::Launch(NewMemberFunctionObject(&amp;NodePreloader::Preload, <span class='keyword'>this</span>));</td></tr>
192<tr><td class="num" id="LN93">93</td><td class="line">}</td></tr>
193<tr><td class="num" id="LN94">94</td><td class="line"> </td></tr>
194<tr><td class="num" id="LN95">95</td><td class="line"> </td></tr>
195<tr><td class="num" id="LN96">96</td><td class="line">Model*</td></tr>
196<tr><td class="num" id="LN97">97</td><td class="line">NodePreloader::FindModel(node_ref itemNode) <span class='keyword'>const</span></td></tr>
197<tr><td class="num" id="LN98">98</td><td class="line">{</td></tr>
198<tr><td class="num" id="LN99">99</td><td class="line"> <span class='keyword'>for</span> (int32 count = fModelList.CountItems() - 1; count &gt;= 0; count--) {</td></tr>
199<tr><td class="num" id="LN100">100</td><td class="line"> Model* model = fModelList.ItemAt(count);</td></tr>
200<tr><td class="num" id="LN101">101</td><td class="line"> <span class='keyword'>if</span> (*model-&gt;NodeRef() == itemNode)</td></tr>
201<tr><td class="num" id="LN102">102</td><td class="line"> <span class='keyword'>return</span> model;</td></tr>
202<tr><td class="num" id="LN103">103</td><td class="line"> }</td></tr>
203<tr><td class="num" id="LN104">104</td><td class="line"> </td></tr>
204<tr><td class="num" id="LN105">105</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>NULL<span class='expansion'>__null</span></span>;</td></tr>
205<tr><td class="num" id="LN106">106</td><td class="line">}</td></tr>
206<tr><td class="num" id="LN107">107</td><td class="line"> </td></tr>
207<tr><td class="num" id="LN108">108</td><td class="line"> </td></tr>
208<tr><td class="num" id="LN109">109</td><td class="line"><span class='keyword'>void</span></td></tr>
209<tr><td class="num" id="LN110">110</td><td class="line">NodePreloader::MessageReceived(BMessage* message)</td></tr>
210<tr><td class="num" id="LN111">111</td><td class="line">{</td></tr>
211<tr><td class="num" id="LN112">112</td><td class="line"> <span class='comment'>// respond to node monitor notifications</span></td></tr>
212<tr><td class="num" id="LN113">113</td><td class="line"> </td></tr>
213<tr><td class="num" id="LN114">114</td><td class="line"> node_ref itemNode;</td></tr>
214<tr><td class="num" id="LN115">115</td><td class="line"> <span class='keyword'>switch</span> (message-&gt;what) {</td></tr>
215<tr><td class="num" id="LN116">116</td><td class="line"> <span class='keyword'>case</span> B_NODE_MONITOR:</td></tr>
216<tr><td class="num" id="LN117">117</td><td class="line"> {</td></tr>
217<tr><td class="num" id="LN118">118</td><td class="line"> <span class='keyword'>switch</span> (message-&gt;FindInt32(<span class='string_literal'>"opcode"</span>)) {</td></tr>
218<tr><td class="num" id="LN119">119</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>B_ENTRY_REMOVED<span class='expansion'>2</span></span>:</td></tr>
219<tr><td class="num" id="LN120">120</td><td class="line"> {</td></tr>
220<tr><td class="num" id="LN121">121</td><td class="line"> AutoLock&lt;Benaphore&gt; locker(fLock);</td></tr>
221<tr><td class="num" id="LN122">122</td><td class="line"> message-&gt;FindInt32(<span class='string_literal'>"device"</span>, &amp;itemNode.device);</td></tr>
222<tr><td class="num" id="LN123">123</td><td class="line"> message-&gt;FindInt64(<span class='string_literal'>"node"</span>, &amp;itemNode.node);</td></tr>
223<tr><td class="num" id="LN124">124</td><td class="line"> Model* model = FindModel(itemNode);</td></tr>
224<tr><td class="num" id="LN125">125</td><td class="line"> <span class='keyword'>if</span> (model == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
225<tr><td class="num" id="LN126">126</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
226<tr><td class="num" id="LN127">127</td><td class="line"> </td></tr>
227<tr><td class="num" id="LN128">128</td><td class="line"> <span class='comment'>//PRINT(("preloader removing file %s\n", model-&gt;Name()));</span></td></tr>
228<tr><td class="num" id="LN129">129</td><td class="line"> IconCache::sIconCache-&gt;Removing(model);</td></tr>
229<tr><td class="num" id="LN130">130</td><td class="line"> fModelList.RemoveItem(model);</td></tr>
230<tr><td class="num" id="LN131">131</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
231<tr><td class="num" id="LN132">132</td><td class="line"> }</td></tr>
232<tr><td class="num" id="LN133">133</td><td class="line"> </td></tr>
233<tr><td class="num" id="LN134">134</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>B_ATTR_CHANGED<span class='expansion'>5</span></span>:</td></tr>
234<tr><td class="num" id="LN135">135</td><td class="line"> <span class='keyword'>case</span> <span class='macro'>B_STAT_CHANGED<span class='expansion'>4</span></span>:</td></tr>
235<tr><td class="num" id="LN136">136</td><td class="line"> {</td></tr>
236<tr><td class="num" id="LN137">137</td><td class="line"> AutoLock&lt;Benaphore&gt; locker(fLock);</td></tr>
237<tr><td class="num" id="LN138">138</td><td class="line"> message-&gt;FindInt32(<span class='string_literal'>"device"</span>, &amp;itemNode.device);</td></tr>
238<tr><td class="num" id="LN139">139</td><td class="line"> message-&gt;FindInt64(<span class='string_literal'>"node"</span>, &amp;itemNode.node);</td></tr>
239<tr><td class="num" id="LN140">140</td><td class="line"> </td></tr>
240<tr><td class="num" id="LN141">141</td><td class="line"> <span class='keyword'>const</span> <span class='keyword'>char</span>* attrName;</td></tr>
241<tr><td class="num" id="LN142">142</td><td class="line"> message-&gt;FindString(<span class='string_literal'>"attr"</span>, &amp;attrName);</td></tr>
242<tr><td class="num" id="LN143">143</td><td class="line"> Model* model = FindModel(itemNode);</td></tr>
243<tr><td class="num" id="LN144">144</td><td class="line"> <span class='keyword'>if</span> (model == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
244<tr><td class="num" id="LN145">145</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
245<tr><td class="num" id="LN146">146</td><td class="line"> </td></tr>
246<tr><td class="num" id="LN147">147</td><td class="line"> BModelOpener opener(model);</td></tr>
247<tr><td class="num" id="LN148">148</td><td class="line"> IconCache::sIconCache-&gt;IconChanged(model-&gt;ResolveIfLink());</td></tr>
248<tr><td class="num" id="LN149">149</td><td class="line"> <span class='comment'>//PRINT(("preloader updating file %s\n", model-&gt;Name()));</span></td></tr>
249<tr><td class="num" id="LN150">150</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
250<tr><td class="num" id="LN151">151</td><td class="line"> }</td></tr>
251<tr><td class="num" id="LN152">152</td><td class="line"> }</td></tr>
252<tr><td class="num" id="LN153">153</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
253<tr><td class="num" id="LN154">154</td><td class="line"> }</td></tr>
254<tr><td class="num" id="LN155">155</td><td class="line"> </td></tr>
255<tr><td class="num" id="LN156">156</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
256<tr><td class="num" id="LN157">157</td><td class="line"> _inherited::MessageReceived(message);</td></tr>
257<tr><td class="num" id="LN158">158</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
258<tr><td class="num" id="LN159">159</td><td class="line"> }</td></tr>
259<tr><td class="num" id="LN160">160</td><td class="line">}</td></tr>
260<tr><td class="num" id="LN161">161</td><td class="line"> </td></tr>
261<tr><td class="num" id="LN162">162</td><td class="line"> </td></tr>
262<tr><td class="num" id="LN163">163</td><td class="line"><span class='keyword'>void</span></td></tr>
263<tr><td class="num" id="LN164">164</td><td class="line">NodePreloader::PreloadOne(<span class='keyword'>const</span> <span class='keyword'>char</span>* dirPath)</td></tr>
264<tr><td class="num" id="LN165">165</td><td class="line">{</td></tr>
265<tr><td class="num" id="LN166">166</td><td class="line"> <span class='comment'>//PRINT(("preloading directory %s\n", dirPath));</span></td></tr>
266<tr><td class="num" id="LN167">167</td><td class="line"> BDirectory dir(dirPath);</td></tr>
267<tr><td class="num" id="LN168">168</td><td class="line"> <span class='keyword'>if</span> (dir.InitCheck() != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
268<tr><td class="num" id="LN169">169</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
269<tr><td class="num" id="LN170">170</td><td class="line"> </td></tr>
270<tr><td class="num" id="LN171">171</td><td class="line"> node_ref nodeRef;</td></tr>
271<tr><td class="num" id="LN172">172</td><td class="line"> dir.GetNodeRef(&amp;nodeRef);</td></tr>
272<tr><td class="num" id="LN173">173</td><td class="line"> </td></tr>
273<tr><td class="num" id="LN174">174</td><td class="line"> <span class='comment'>// have to node monitor the whole directory</span></td></tr>
274<tr><td class="num" id="LN175">175</td><td class="line"> TTracker::WatchNode(&amp;nodeRef, B_WATCH_DIRECTORY, <span class='keyword'>this</span>);</td></tr>
275<tr><td class="num" id="LN176">176</td><td class="line"> </td></tr>
276<tr><td class="num" id="LN177">177</td><td class="line"> dir.Rewind();</td></tr>
277<tr><td class="num" id="LN178">178</td><td class="line"> <span class='keyword'>for</span> (;;) {</td></tr>
278<tr><td class="num" id="LN179">179</td><td class="line"> entry_ref ref;</td></tr>
279<tr><td class="num" id="LN180">180</td><td class="line"> <span class='keyword'>if</span> (dir.GetNextRef(&amp;ref) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
280<tr><td class="num" id="LN181">181</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
281<tr><td class="num" id="LN182">182</td><td class="line"> </td></tr>
282<tr><td class="num" id="LN183">183</td><td class="line"> BEntry entry(&amp;ref);</td></tr>
283<tr><td class="num" id="LN184">184</td><td class="line"> <span class='keyword'>if</span> (!entry.IsFile())</td></tr>
284<tr><td class="num" id="LN185">185</td><td class="line"> <span class='comment'>// only interrested in files</span></td></tr>
285<tr><td class="num" id="LN186">186</td><td class="line"> <span class='keyword'>continue</span>;</td></tr>
286<tr><td class="num" id="LN187">187</td><td class="line"> </td></tr>
287<tr><td class="num" id="LN188">188</td><td class="line"> Model* model = <span class='keyword'>new</span> Model(&amp;ref, <span class='keyword'>true</span>);</td></tr>
288<tr><td class="num" id="LN189">189</td><td class="line"> <span class='keyword'>if</span> (model-&gt;InitCheck() == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> &amp;&amp; model-&gt;IconFrom() == kUnknownSource) {</td></tr>
289<tr><td class="num" id="LN190">190</td><td class="line"> TTracker::WatchNode(model-&gt;NodeRef(),</td></tr>
290<tr><td class="num" id="LN191">191</td><td class="line"> B_WATCH_STAT | B_WATCH_ATTR, <span class='keyword'>this</span>);</td></tr>
291<tr><td class="num" id="LN192">192</td><td class="line"> IconCache::sIconCache-&gt;Preload(model, kNormalIcon, B_MINI_ICON,</td></tr>
292<tr><td class="num" id="LN193">193</td><td class="line"> <span class='keyword'>true</span>);</td></tr>
293<tr><td class="num" id="LN194">194</td><td class="line"> fModelList.AddItem(model);</td></tr>
294<tr><td class="num" id="LN195">195</td><td class="line"> model-&gt;CloseNode();</td></tr>
295<tr><td class="num" id="LN196">196</td><td class="line"> } <span class='keyword'>else</span></td></tr>
296<tr><td class="num" id="LN197">197</td><td class="line"> <span class='keyword'>delete</span> model;</td></tr>
297<tr><td class="num" id="LN198">198</td><td class="line"> }</td></tr>
298<tr><td class="num" id="LN199">199</td><td class="line">}</td></tr>
299<tr><td class="num" id="LN200">200</td><td class="line"> </td></tr>
300<tr><td class="num" id="LN201">201</td><td class="line"> </td></tr>
301<tr><td class="num" id="LN202">202</td><td class="line"><span class='keyword'>void</span></td></tr>
302<tr><td class="num" id="LN203">203</td><td class="line">NodePreloader::Preload()</td></tr>
303<tr><td class="num" id="LN204">204</td><td class="line">{</td></tr>
304<tr><td class="num" id="LN205">205</td><td class="line"> <span class='keyword'>for</span> (int32 count = 100; count &gt;= 0; count--) {</td></tr>
305<tr><td class="num" id="LN206">206</td><td class="line"> <span class='comment'>// wait for a little bit before going ahead to reduce disk access</span></td></tr>
306<tr><td class="num" id="LN207">207</td><td class="line"> <span class='comment'>// contention</span></td></tr>
307<tr><td class="num" id="LN208">208</td><td class="line"> snooze(100000);</td></tr>
308<tr><td class="num" id="LN209">209</td><td class="line"> <span class='keyword'>if</span> (fQuitRequested) {</td></tr>
309<tr><td class="num" id="LN210">210</td><td class="line"> fLock.Unlock();</td></tr>
310<tr><td class="num" id="LN211">211</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
311<tr><td class="num" id="LN212">212</td><td class="line"> }</td></tr>
312<tr><td class="num" id="LN213">213</td><td class="line"> }</td></tr>
313<tr><td class="num" id="LN214">214</td><td class="line"> </td></tr>
314<tr><td class="num" id="LN215">215</td><td class="line"> BMessenger messenger(<span class='macro'>kTrackerSignature<span class='expansion'>"application/x-vnd.Be-TRAK"</span></span>);</td></tr>
315<tr><td class="num" id="LN216">216</td><td class="line"> <span class='keyword'>if</span> (!messenger.IsValid()) {</td></tr>
316<tr><td class="num" id="LN217">217</td><td class="line"> <span class='comment'>// put out some message here!</span></td></tr>
317<tr><td class="num" id="LN218">218</td><td class="line"> <span class='keyword'>return</span>;</td></tr>
318<tr><td class="num" id="LN219">219</td><td class="line"> }</td></tr>
319<tr><td class="num" id="LN220">220</td><td class="line"> </td></tr>
320<tr><td class="num" id="LN221">221</td><td class="line"> <span class='macro'>ASSERT(fLock.IsLocked())<span class='expansion'>(!(fLock.IsLocked()) ? _debuggerAssert("/home/haiku/haiku/haiku/src/kits/tracker/NodePreloader.cpp"<br>,221, "fLock.IsLocked()") : (int)0)</span></span>;</td></tr>
321<tr><td class="num" id="LN222">222</td><td class="line"> BPath path;</td></tr>
322<tr><td class="num" id="LN223">223</td><td class="line"> <span class='keyword'>if</span> (find_directory(B_BEOS_APPS_DIRECTORY, &amp;path) == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
323<tr><td class="num" id="LN224">224</td><td class="line"> PreloadOne(path.Path());</td></tr>
324<tr><td class="num" id="LN225">225</td><td class="line"> </td></tr>
325<tr><td class="num" id="LN226">226</td><td class="line"> <span class='keyword'>if</span> (find_directory(B_BEOS_PREFERENCES_DIRECTORY, &amp;path) == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
326<tr><td class="num" id="LN227">227</td><td class="line"> PreloadOne(path.Path());</td></tr>
327<tr><td class="num" id="LN228">228</td><td class="line"> </td></tr>
328<tr><td class="num" id="LN229">229</td><td class="line"> fLock.Unlock();</td></tr>
329<tr><td class="num" id="LN230">230</td><td class="line">}</td></tr>
330</table></body></html>