Ticket #9879: report-mq2NP5.html

File report-mq2NP5.html, 71.0 KB (added by mt, 7 years ago)

Report by Clang Static Analyzer

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1<!doctype html>
2<html>
3<head>
4<title>/boot/home/haiku/haiku/src/add-ons/kernel/file_systems/udf/Icb.cpp</title>
5<style type="text/css">
6 body { color:#000000; background-color:#ffffff }
7 body { font-family:Helvetica, sans-serif; font-size:10pt }
8 h1 { font-size:14pt }
9 .code { border-collapse:collapse; width:100%; }
10 .code { font-family: "Monospace", monospace; font-size:10pt }
11 .code { line-height: 1.2em }
12 .comment { color: green; font-style: oblique }
13 .keyword { color: blue }
14 .string_literal { color: red }
15 .directive { color: darkmagenta }
16 .expansion { display: none; }
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25 .msg { -webkit-border-radius:5px }
26 .msg { font-family:Helvetica, sans-serif; font-size:8pt }
27 .msg { float:left }
28 .msg { padding:0.25em 1ex 0.25em 1ex }
29 .msg { margin-top:10px; margin-bottom:10px }
30 .msg { font-weight:bold }
31 .msg { max-width:60em; word-wrap: break-word; white-space: pre-wrap }
32 .msgT { padding:0x; spacing:0x }
33 .msgEvent { background-color:#fff8b4; color:#000000 }
34 .msgControl { background-color:#bbbbbb; color:#000000 }
35 .mrange { background-color:#dfddf3 }
36 .mrange { border-bottom:1px solid #6F9DBE }
37 .PathIndex { font-weight: bold; padding:0px 5px; margin-right:5px; }
38 .PathIndex { -webkit-border-radius:8px }
39 .PathIndexEvent { background-color:#bfba87 }
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42 .CodeInsertionHint { font-weight: bold; background-color: #10dd10 }
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45 table.simpletable {
46 padding: 5px;
47 font-size:12pt;
48 margin:20px;
49 border-collapse: collapse; border-spacing: 0px;
50 }
51 td.rowname {
52 text-align:right; font-weight:bold; color:#444444;
53 padding-right:2ex; }
54</style>
55</head>
56<body>
57<!-- BUGDESC Called C++ object pointer is null -->
58
59<!-- BUGTYPE Called C++ object pointer is null -->
60
61<!-- BUGCATEGORY Logic error -->
62
63<!-- BUGFILE /boot/home/haiku/haiku/src/add-ons/kernel/file_systems/udf/Icb.cpp -->
64
65<!-- BUGLINE 123 -->
66
67<!-- BUGPATHLENGTH 4 -->
68
69<!-- BUGMETAEND -->
70<!-- REPORTHEADER -->
71<h3>Bug Summary</h3>
72<table class="simpletable">
73<tr><td class="rowname">File:</td><td>/boot/home/haiku/haiku/src/add-ons/kernel/file_systems/udf/Icb.cpp</td></tr>
74<tr><td class="rowname">Location:</td><td><a href="#EndPath">line 123, column 20</a></td></tr>
75<tr><td class="rowname">Description:</td><td>Called C++ object pointer is null</td></tr>
76</table>
77<!-- REPORTSUMMARYEXTRA -->
78<h3>Annotated Source Code</h3>
79<table class="code">
80<tr><td class="num" id="LN1">1</td><td class="line"><span class='comment'>/*</span></td></tr>
81<tr><td class="num" id="LN2">2</td><td class="line"> <span class='comment'>* Copyright 2012, Jérôme Duval, korli@users.berlios.de.</span></td></tr>
82<tr><td class="num" id="LN3">3</td><td class="line"> <span class='comment'>* Copyright 2010, Michael Lotz, mmlr@mlotz.ch.</span></td></tr>
83<tr><td class="num" id="LN4">4</td><td class="line"> <span class='comment'>* Copyright 2003, Tyler Dauwalder, tyler@dauwalder.net.</span></td></tr>
84<tr><td class="num" id="LN5">5</td><td class="line"> <span class='comment'>* Distributed under the terms of the MIT License.</span></td></tr>
85<tr><td class="num" id="LN6">6</td><td class="line"> <span class='comment'>*/</span></td></tr>
86<tr><td class="num" id="LN7">7</td><td class="line"> </td></tr>
87<tr><td class="num" id="LN8">8</td><td class="line"><span class='directive'>#include "Icb.h"</span></td></tr>
88<tr><td class="num" id="LN9">9</td><td class="line"> </td></tr>
89<tr><td class="num" id="LN10">10</td><td class="line"><span class='directive'>#include "time.h"</span></td></tr>
90<tr><td class="num" id="LN11">11</td><td class="line"> </td></tr>
91<tr><td class="num" id="LN12">12</td><td class="line"><span class='directive'>#include "AllocationDescriptorList.h"</span></td></tr>
92<tr><td class="num" id="LN13">13</td><td class="line"><span class='directive'>#include "Utils.h"</span></td></tr>
93<tr><td class="num" id="LN14">14</td><td class="line"><span class='directive'>#include "Volume.h"</span></td></tr>
94<tr><td class="num" id="LN15">15</td><td class="line"> </td></tr>
95<tr><td class="num" id="LN16">16</td><td class="line"><span class='directive'>#include &lt;file_cache.h&gt;</span></td></tr>
96<tr><td class="num" id="LN17">17</td><td class="line"> </td></tr>
97<tr><td class="num" id="LN18">18</td><td class="line"> </td></tr>
98<tr><td class="num" id="LN19">19</td><td class="line">status_t</td></tr>
99<tr><td class="num" id="LN20">20</td><td class="line">DirectoryIterator::GetNextEntry(<span class='keyword'>char</span> *name, uint32 *length, ino_t *id)</td></tr>
100<tr><td class="num" id="LN21">21</td><td class="line">{</td></tr>
101<tr><td class="num" id="LN22">22</td><td class="line"> <span class='keyword'>if</span> (!id || !name || !length)</td></tr>
102<tr><td class="num" id="LN23">23</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
103<tr><td class="num" id="LN24">24</td><td class="line"> </td></tr>
104<tr><td class="num" id="LN25">25</td><td class="line"> TRACE((<span class='string_literal'>"DirectoryIterator::GetNextEntry: name = %p, length = %"</span> B_PRIu32</td></tr>
105<tr><td class="num" id="LN26">26</td><td class="line"> <span class='string_literal'>", id = %p, position = %"</span> B_PRIdOFF <span class='string_literal'>", parent length = %"</span> B_PRIu64</td></tr>
106<tr><td class="num" id="LN27">27</td><td class="line"> <span class='string_literal'>"\n"</span>, name, *length, id, fPosition, Parent()-&gt;Length()));</td></tr>
107<tr><td class="num" id="LN28">28</td><td class="line"> </td></tr>
108<tr><td class="num" id="LN29">29</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
109<tr><td class="num" id="LN30">30</td><td class="line"> <span class='keyword'>if</span> (fAtBeginning) {</td></tr>
110<tr><td class="num" id="LN31">31</td><td class="line"> TRACE((<span class='string_literal'>"DirectoryIterator::GetNextEntry: .\n"</span>));</td></tr>
111<tr><td class="num" id="LN32">32</td><td class="line"> sprintf(name, <span class='string_literal'>"."</span>);</td></tr>
112<tr><td class="num" id="LN33">33</td><td class="line"> *length = 2;</td></tr>
113<tr><td class="num" id="LN34">34</td><td class="line"> *id = Parent()-&gt;Id();</td></tr>
114<tr><td class="num" id="LN35">35</td><td class="line"> fAtBeginning = <span class='keyword'>false</span>;</td></tr>
115<tr><td class="num" id="LN36">36</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
116<tr><td class="num" id="LN37">37</td><td class="line"> <span class='keyword'>if</span> (uint64(fPosition) &gt;= Parent()-&gt;Length()) {</td></tr>
117<tr><td class="num" id="LN38">38</td><td class="line"> TRACE((<span class='string_literal'>"DirectoryIterator::GetNextEntry: end of dir\n"</span>));</td></tr>
118<tr><td class="num" id="LN39">39</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
119<tr><td class="num" id="LN40">40</td><td class="line"> }</td></tr>
120<tr><td class="num" id="LN41">41</td><td class="line"> </td></tr>
121<tr><td class="num" id="LN42">42</td><td class="line"> uint8 data[<span class='macro'>kMaxFileIdSize<span class='expansion'>(sizeof(file_id_descriptor)+512+3)</span></span>];</td></tr>
122<tr><td class="num" id="LN43">43</td><td class="line"> file_id_descriptor *entry = (file_id_descriptor *)data;</td></tr>
123<tr><td class="num" id="LN44">44</td><td class="line"> </td></tr>
124<tr><td class="num" id="LN45">45</td><td class="line"> uint32 block = 0;</td></tr>
125<tr><td class="num" id="LN46">46</td><td class="line"> off_t offset = fPosition;</td></tr>
126<tr><td class="num" id="LN47">47</td><td class="line"> </td></tr>
127<tr><td class="num" id="LN48">48</td><td class="line"> size_t entryLength = <span class='macro'>kMaxFileIdSize<span class='expansion'>(sizeof(file_id_descriptor)+512+3)</span></span>;</td></tr>
128<tr><td class="num" id="LN49">49</td><td class="line"> <span class='comment'>// First read in the static portion of the file id descriptor,</span></td></tr>
129<tr><td class="num" id="LN50">50</td><td class="line"> <span class='comment'>// then, based on the information therein, read in the variable</span></td></tr>
130<tr><td class="num" id="LN51">51</td><td class="line"> <span class='comment'>// length tail portion as well.</span></td></tr>
131<tr><td class="num" id="LN52">52</td><td class="line"> status = Parent()-&gt;Read(offset, entry, &amp;entryLength, &amp;block);</td></tr>
132<tr><td class="num" id="LN53">53</td><td class="line"> <span class='keyword'>if</span> (!status &amp;&amp; entryLength &gt;= <span class='keyword'>sizeof</span>(file_id_descriptor)</td></tr>
133<tr><td class="num" id="LN54">54</td><td class="line"> &amp;&amp; entry-&gt;tag().init_check(block) == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
134<tr><td class="num" id="LN55">55</td><td class="line"> <span class='macro'>PDUMP(entry)<span class='expansion'>;</span></span>;</td></tr>
135<tr><td class="num" id="LN56">56</td><td class="line"> offset += entry-&gt;total_length();</td></tr>
136<tr><td class="num" id="LN57">57</td><td class="line"> </td></tr>
137<tr><td class="num" id="LN58">58</td><td class="line"> <span class='keyword'>if</span> (entry-&gt;is_parent()) {</td></tr>
138<tr><td class="num" id="LN59">59</td><td class="line"> TRACE((<span class='string_literal'>"DirectoryIterator::GetNextEntry: ..\n"</span>));</td></tr>
139<tr><td class="num" id="LN60">60</td><td class="line"> sprintf(name, <span class='string_literal'>".."</span>);</td></tr>
140<tr><td class="num" id="LN61">61</td><td class="line"> *length = 3;</td></tr>
141<tr><td class="num" id="LN62">62</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
142<tr><td class="num" id="LN63">63</td><td class="line"> UdfString string(entry-&gt;id(), entry-&gt;id_length());</td></tr>
143<tr><td class="num" id="LN64">64</td><td class="line"> TRACE((<span class='string_literal'>"DirectoryIterator::GetNextEntry: UfdString id == `%s', "</span></td></tr>
144<tr><td class="num" id="LN65">65</td><td class="line"> <span class='string_literal'>"length = %"</span> B_PRIu32 <span class='string_literal'>"\n"</span>, string.Utf8(),</td></tr>
145<tr><td class="num" id="LN66">66</td><td class="line"> string.Utf8Length()));</td></tr>
146<tr><td class="num" id="LN67">67</td><td class="line"> <span class='macro'>DUMP(entry-&gt;icb())<span class='expansion'>;</span></span>;</td></tr>
147<tr><td class="num" id="LN68">68</td><td class="line"> sprintf(name, <span class='string_literal'>"%s"</span>, string.Utf8());</td></tr>
148<tr><td class="num" id="LN69">69</td><td class="line"> *length = string.Utf8Length();</td></tr>
149<tr><td class="num" id="LN70">70</td><td class="line"> }</td></tr>
150<tr><td class="num" id="LN71">71</td><td class="line"> *id = to_vnode_id(entry-&gt;icb());</td></tr>
151<tr><td class="num" id="LN72">72</td><td class="line"> }</td></tr>
152<tr><td class="num" id="LN73">73</td><td class="line"> </td></tr>
153<tr><td class="num" id="LN74">74</td><td class="line"> <span class='keyword'>if</span> (!status)</td></tr>
154<tr><td class="num" id="LN75">75</td><td class="line"> fPosition = offset;</td></tr>
155<tr><td class="num" id="LN76">76</td><td class="line"> }</td></tr>
156<tr><td class="num" id="LN77">77</td><td class="line"> </td></tr>
157<tr><td class="num" id="LN78">78</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
158<tr><td class="num" id="LN79">79</td><td class="line">}</td></tr>
159<tr><td class="num" id="LN80">80</td><td class="line"> </td></tr>
160<tr><td class="num" id="LN81">81</td><td class="line"> </td></tr>
161<tr><td class="num" id="LN82">82</td><td class="line"><span class='comment'>/* \brief Rewinds the iterator to point to the first entry in the directory. */</span></td></tr>
162<tr><td class="num" id="LN83">83</td><td class="line"><span class='keyword'>void</span></td></tr>
163<tr><td class="num" id="LN84">84</td><td class="line">DirectoryIterator::Rewind()</td></tr>
164<tr><td class="num" id="LN85">85</td><td class="line">{</td></tr>
165<tr><td class="num" id="LN86">86</td><td class="line"> fAtBeginning = <span class='keyword'>true</span>;</td></tr>
166<tr><td class="num" id="LN87">87</td><td class="line"> fPosition = 0;</td></tr>
167<tr><td class="num" id="LN88">88</td><td class="line">}</td></tr>
168<tr><td class="num" id="LN89">89</td><td class="line"> </td></tr>
169<tr><td class="num" id="LN90">90</td><td class="line"> </td></tr>
170<tr><td class="num" id="LN91">91</td><td class="line"><span class='comment'>// #pragma mark - Private methods</span></td></tr>
171<tr><td class="num" id="LN92">92</td><td class="line"> </td></tr>
172<tr><td class="num" id="LN93">93</td><td class="line"> </td></tr>
173<tr><td class="num" id="LN94">94</td><td class="line">DirectoryIterator::DirectoryIterator(Icb *parent)</td></tr>
174<tr><td class="num" id="LN95">95</td><td class="line"> :</td></tr>
175<tr><td class="num" id="LN96">96</td><td class="line"> fAtBeginning(<span class='keyword'>true</span>),</td></tr>
176<tr><td class="num" id="LN97">97</td><td class="line"> fParent(parent),</td></tr>
177<tr><td class="num" id="LN98">98</td><td class="line"> fPosition(0)</td></tr>
178<tr><td class="num" id="LN99">99</td><td class="line">{</td></tr>
179<tr><td class="num" id="LN100">100</td><td class="line">}</td></tr>
180<tr><td class="num" id="LN101">101</td><td class="line"> </td></tr>
181<tr><td class="num" id="LN102">102</td><td class="line"> </td></tr>
182<tr><td class="num" id="LN103">103</td><td class="line">Icb::Icb(Volume *volume, long_address address)</td></tr>
183<tr><td class="num" id="LN104">104</td><td class="line"> :</td></tr>
184<tr><td class="num" id="LN105">105</td><td class="line"> fVolume(volume),</td></tr>
185<tr><td class="num"></td><td class="line"><div id="Path1" class="msg msgEvent" style="margin-left:9ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">1</div></td><td>Value assigned to field 'fVolume'</td><td><div class="PathNav"><a href="#Path2" title="Next event (2)">&#x2192;</a></div></td></tr></table></div></td></tr>
186<tr><td class="num" id="LN106">106</td><td class="line"> fData(volume),</td></tr>
187<tr><td class="num" id="LN107">107</td><td class="line"> fInitStatus(<span class='macro'>B_NO_INIT<span class='expansion'>((-2147483647 - 1) + 13)</span></span>),</td></tr>
188<tr><td class="num" id="LN108">108</td><td class="line"> fId(to_vnode_id(address)),</td></tr>
189<tr><td class="num" id="LN109">109</td><td class="line"> fPartition(address.partition()),</td></tr>
190<tr><td class="num" id="LN110">110</td><td class="line"> fFileEntry(&amp;fData),</td></tr>
191<tr><td class="num" id="LN111">111</td><td class="line"> fExtendedEntry(&amp;fData),</td></tr>
192<tr><td class="num" id="LN112">112</td><td class="line"> fFileCache(<span class='macro'>NULL<span class='expansion'>__null</span></span>),</td></tr>
193<tr><td class="num" id="LN113">113</td><td class="line"> fFileMap(<span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
194<tr><td class="num" id="LN114">114</td><td class="line">{</td></tr>
195<tr><td class="num" id="LN115">115</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Icb: volume = %p, address(block = %"</span> B_PRIu32 <span class='string_literal'>", partition = "</span></td></tr>
196<tr><td class="num" id="LN116">116</td><td class="line"> <span class='string_literal'>"%d, length = %"</span> B_PRIu32 <span class='string_literal'>")\n"</span>, volume, address.block(),</td></tr>
197<tr><td class="num" id="LN117">117</td><td class="line"> address.partition(), address.length()));</td></tr>
198<tr><td class="num" id="LN118">118</td><td class="line"> </td></tr>
199<tr><td class="num" id="LN119">119</td><td class="line"> <span class='keyword'>if</span> (<span class="mrange">volume == <span class='macro'>NULL<span class='expansion'>__null</span></span></span>)</td></tr>
200<tr><td class="num"></td><td class="line"><div id="Path2" class="msg msgEvent" style="margin-left:13ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">2</div></td><td><div class="PathNav"><a href="#Path1" title="Previous event (1)">&#x2190;</a></div></td></td><td>Assuming pointer value is null</td><td><div class="PathNav"><a href="#Path3" title="Next event (3)">&#x2192;</a></div></td></tr></table></div></td></tr>
201<tr><td class="num"></td><td class="line"><div id="Path3" class="msg msgControl" style="margin-left:9ex"><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>Taking true branch</td><td><div class="PathNav"><a href="#EndPath" title="Next event (4)">&#x2192;</a></div></td></tr></table></div></td></tr>
202<tr><td class="num" id="LN120">120</td><td class="line"> fInitStatus = <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
203<tr><td class="num" id="LN121">121</td><td class="line"> </td></tr>
204<tr><td class="num" id="LN122">122</td><td class="line"> off_t block;</td></tr>
205<tr><td class="num" id="LN123">123</td><td class="line"> status_t status = <span class="mrange">fVolume</span>-&gt;MapBlock(address, &amp;block);</td></tr>
206<tr><td class="num"></td><td class="line"><div id="EndPath" class="msg msgEvent" style="margin-left:27ex"><table class="msgT"><tr><td valign="top"><div class="PathIndex PathIndexEvent">4</div></td><td><div class="PathNav"><a href="#Path3" title="Previous event (3)">&#x2190;</a></div></td></td><td>Called C++ object pointer is null</td></tr></table></div></td></tr>
207<tr><td class="num" id="LN124">124</td><td class="line"> <span class='keyword'>if</span> (!status) {</td></tr>
208<tr><td class="num" id="LN125">125</td><td class="line"> icb_header *header = (icb_header *)fData.SetTo(block);</td></tr>
209<tr><td class="num" id="LN126">126</td><td class="line"> <span class='keyword'>if</span> (header-&gt;tag().id() == TAGID_FILE_ENTRY) {</td></tr>
210<tr><td class="num" id="LN127">127</td><td class="line"> file_icb_entry *entry = (file_icb_entry *)header;</td></tr>
211<tr><td class="num" id="LN128">128</td><td class="line"> <span class='macro'>PDUMP(entry)<span class='expansion'>;</span></span>;</td></tr>
212<tr><td class="num" id="LN129">129</td><td class="line"> (<span class='keyword'>void</span>)entry; <span class='comment'>// warning death</span></td></tr>
213<tr><td class="num" id="LN130">130</td><td class="line"> } <span class='keyword'>else</span> <span class='keyword'>if</span> (header-&gt;tag().id() == TAGID_EXTENDED_FILE_ENTRY) {</td></tr>
214<tr><td class="num" id="LN131">131</td><td class="line"> extended_file_icb_entry *entry = (extended_file_icb_entry *)header;</td></tr>
215<tr><td class="num" id="LN132">132</td><td class="line"> <span class='macro'>PDUMP(entry)<span class='expansion'>;</span></span>;</td></tr>
216<tr><td class="num" id="LN133">133</td><td class="line"> (<span class='keyword'>void</span>)entry; <span class='comment'>// warning death</span></td></tr>
217<tr><td class="num" id="LN134">134</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
218<tr><td class="num" id="LN135">135</td><td class="line"> <span class='macro'>PDUMP(header)<span class='expansion'>;</span></span>;</td></tr>
219<tr><td class="num" id="LN136">136</td><td class="line"> }</td></tr>
220<tr><td class="num" id="LN137">137</td><td class="line"> status = header-&gt;tag().init_check(address.block());</td></tr>
221<tr><td class="num" id="LN138">138</td><td class="line"> }</td></tr>
222<tr><td class="num" id="LN139">139</td><td class="line"> </td></tr>
223<tr><td class="num" id="LN140">140</td><td class="line"> <span class='keyword'>if</span> (IsFile()) {</td></tr>
224<tr><td class="num" id="LN141">141</td><td class="line"> fFileCache = file_cache_create(fVolume-&gt;ID(), fId, Length());</td></tr>
225<tr><td class="num" id="LN142">142</td><td class="line"> fFileMap = file_map_create(fVolume-&gt;ID(), fId, Length());</td></tr>
226<tr><td class="num" id="LN143">143</td><td class="line"> }</td></tr>
227<tr><td class="num" id="LN144">144</td><td class="line"> </td></tr>
228<tr><td class="num" id="LN145">145</td><td class="line"> fInitStatus = status;</td></tr>
229<tr><td class="num" id="LN146">146</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Icb: status = 0x%"</span> B_PRIx32 <span class='string_literal'>", `%s'\n"</span>, status,</td></tr>
230<tr><td class="num" id="LN147">147</td><td class="line"> strerror(status)));</td></tr>
231<tr><td class="num" id="LN148">148</td><td class="line">}</td></tr>
232<tr><td class="num" id="LN149">149</td><td class="line"> </td></tr>
233<tr><td class="num" id="LN150">150</td><td class="line"> </td></tr>
234<tr><td class="num" id="LN151">151</td><td class="line">Icb::~Icb()</td></tr>
235<tr><td class="num" id="LN152">152</td><td class="line">{</td></tr>
236<tr><td class="num" id="LN153">153</td><td class="line"> <span class='keyword'>if</span> (fFileCache != <span class='macro'>NULL<span class='expansion'>__null</span></span>) {</td></tr>
237<tr><td class="num" id="LN154">154</td><td class="line"> file_cache_delete(fFileCache);</td></tr>
238<tr><td class="num" id="LN155">155</td><td class="line"> file_map_delete(fFileMap);</td></tr>
239<tr><td class="num" id="LN156">156</td><td class="line"> }</td></tr>
240<tr><td class="num" id="LN157">157</td><td class="line">}</td></tr>
241<tr><td class="num" id="LN158">158</td><td class="line"> </td></tr>
242<tr><td class="num" id="LN159">159</td><td class="line"> </td></tr>
243<tr><td class="num" id="LN160">160</td><td class="line">status_t</td></tr>
244<tr><td class="num" id="LN161">161</td><td class="line">Icb::GetDirectoryIterator(DirectoryIterator **iterator)</td></tr>
245<tr><td class="num" id="LN162">162</td><td class="line">{</td></tr>
246<tr><td class="num" id="LN163">163</td><td class="line"> status_t error = iterator ? <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span> : <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
247<tr><td class="num" id="LN164">164</td><td class="line"> </td></tr>
248<tr><td class="num" id="LN165">165</td><td class="line"> <span class='keyword'>if</span> (!error) {</td></tr>
249<tr><td class="num" id="LN166">166</td><td class="line"> *iterator = <span class='keyword'>new</span>(std::nothrow) DirectoryIterator(<span class='keyword'>this</span>);</td></tr>
250<tr><td class="num" id="LN167">167</td><td class="line"> <span class='keyword'>if</span> (*iterator)</td></tr>
251<tr><td class="num" id="LN168">168</td><td class="line"> fIteratorList.Add(*iterator);</td></tr>
252<tr><td class="num" id="LN169">169</td><td class="line"> <span class='keyword'>else</span></td></tr>
253<tr><td class="num" id="LN170">170</td><td class="line"> error = <span class='macro'>B_NO_MEMORY<span class='expansion'>((-2147483647 - 1) + 0)</span></span>;</td></tr>
254<tr><td class="num" id="LN171">171</td><td class="line"> }</td></tr>
255<tr><td class="num" id="LN172">172</td><td class="line"> </td></tr>
256<tr><td class="num" id="LN173">173</td><td class="line"> <span class='keyword'>return</span> error;</td></tr>
257<tr><td class="num" id="LN174">174</td><td class="line">}</td></tr>
258<tr><td class="num" id="LN175">175</td><td class="line"> </td></tr>
259<tr><td class="num" id="LN176">176</td><td class="line"> </td></tr>
260<tr><td class="num" id="LN177">177</td><td class="line">status_t</td></tr>
261<tr><td class="num" id="LN178">178</td><td class="line">Icb::InitCheck()</td></tr>
262<tr><td class="num" id="LN179">179</td><td class="line">{</td></tr>
263<tr><td class="num" id="LN180">180</td><td class="line"> <span class='keyword'>return</span> fInitStatus;</td></tr>
264<tr><td class="num" id="LN181">181</td><td class="line">}</td></tr>
265<tr><td class="num" id="LN182">182</td><td class="line"> </td></tr>
266<tr><td class="num" id="LN183">183</td><td class="line"> </td></tr>
267<tr><td class="num" id="LN184">184</td><td class="line"><span class='keyword'>void</span></td></tr>
268<tr><td class="num" id="LN185">185</td><td class="line">Icb::GetAccessTime(<span class='keyword'>struct</span> timespec &amp;timespec) <span class='keyword'>const</span></td></tr>
269<tr><td class="num" id="LN186">186</td><td class="line">{</td></tr>
270<tr><td class="num" id="LN187">187</td><td class="line"> timestamp ts;</td></tr>
271<tr><td class="num" id="LN188">188</td><td class="line"> <span class='keyword'>if</span> (_Tag().id() == TAGID_EXTENDED_FILE_ENTRY)</td></tr>
272<tr><td class="num" id="LN189">189</td><td class="line"> ts = _ExtendedEntry()-&gt;access_date_and_time();</td></tr>
273<tr><td class="num" id="LN190">190</td><td class="line"> <span class='keyword'>else</span></td></tr>
274<tr><td class="num" id="LN191">191</td><td class="line"> ts = _FileEntry()-&gt;access_date_and_time();</td></tr>
275<tr><td class="num" id="LN192">192</td><td class="line"> </td></tr>
276<tr><td class="num" id="LN193">193</td><td class="line"> <span class='keyword'>if</span> (decode_time(ts, timespec) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
277<tr><td class="num" id="LN194">194</td><td class="line"> decode_time(</td></tr>
278<tr><td class="num" id="LN195">195</td><td class="line"> fVolume-&gt;PrimaryVolumeDescriptor()-&gt;recording_date_and_time(),</td></tr>
279<tr><td class="num" id="LN196">196</td><td class="line"> timespec);</td></tr>
280<tr><td class="num" id="LN197">197</td><td class="line"> }</td></tr>
281<tr><td class="num" id="LN198">198</td><td class="line">}</td></tr>
282<tr><td class="num" id="LN199">199</td><td class="line"> </td></tr>
283<tr><td class="num" id="LN200">200</td><td class="line"> </td></tr>
284<tr><td class="num" id="LN201">201</td><td class="line"><span class='keyword'>void</span></td></tr>
285<tr><td class="num" id="LN202">202</td><td class="line">Icb::GetModificationTime(<span class='keyword'>struct</span> timespec &amp;timespec) <span class='keyword'>const</span></td></tr>
286<tr><td class="num" id="LN203">203</td><td class="line">{</td></tr>
287<tr><td class="num" id="LN204">204</td><td class="line"> timestamp ts;</td></tr>
288<tr><td class="num" id="LN205">205</td><td class="line"> <span class='keyword'>if</span> (_Tag().id() == TAGID_EXTENDED_FILE_ENTRY)</td></tr>
289<tr><td class="num" id="LN206">206</td><td class="line"> ts = _ExtendedEntry()-&gt;modification_date_and_time();</td></tr>
290<tr><td class="num" id="LN207">207</td><td class="line"> <span class='keyword'>else</span></td></tr>
291<tr><td class="num" id="LN208">208</td><td class="line"> ts = _FileEntry()-&gt;modification_date_and_time();</td></tr>
292<tr><td class="num" id="LN209">209</td><td class="line"> </td></tr>
293<tr><td class="num" id="LN210">210</td><td class="line"> <span class='keyword'>if</span> (decode_time(ts, timespec) != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
294<tr><td class="num" id="LN211">211</td><td class="line"> decode_time(</td></tr>
295<tr><td class="num" id="LN212">212</td><td class="line"> fVolume-&gt;PrimaryVolumeDescriptor()-&gt;recording_date_and_time(),</td></tr>
296<tr><td class="num" id="LN213">213</td><td class="line"> timespec);</td></tr>
297<tr><td class="num" id="LN214">214</td><td class="line"> }</td></tr>
298<tr><td class="num" id="LN215">215</td><td class="line">}</td></tr>
299<tr><td class="num" id="LN216">216</td><td class="line"> </td></tr>
300<tr><td class="num" id="LN217">217</td><td class="line"> </td></tr>
301<tr><td class="num" id="LN218">218</td><td class="line">status_t</td></tr>
302<tr><td class="num" id="LN219">219</td><td class="line">Icb::FindBlock(uint32 logicalBlock, off_t &amp;block, <span class='keyword'>bool</span> &amp;recorded)</td></tr>
303<tr><td class="num" id="LN220">220</td><td class="line">{</td></tr>
304<tr><td class="num" id="LN221">221</td><td class="line"> off_t pos = logicalBlock &lt;&lt; fVolume-&gt;BlockShift();</td></tr>
305<tr><td class="num" id="LN222">222</td><td class="line"> <span class='keyword'>if</span> (uint64(pos) &gt;= Length()) {</td></tr>
306<tr><td class="num" id="LN223">223</td><td class="line"> block = -1;</td></tr>
307<tr><td class="num" id="LN224">224</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
308<tr><td class="num" id="LN225">225</td><td class="line"> }</td></tr>
309<tr><td class="num" id="LN226">226</td><td class="line"> </td></tr>
310<tr><td class="num" id="LN227">227</td><td class="line"> <span class='macro'>DEBUG_INIT_ETC(<span class='string_literal'>"Icb"</span>, (<span class='string_literal'>"pos: %"</span> B_PRIdOFF, pos))<span class='expansion'>;</span></span>;</td></tr>
311<tr><td class="num" id="LN228">228</td><td class="line"> </td></tr>
312<tr><td class="num" id="LN229">229</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
313<tr><td class="num" id="LN230">230</td><td class="line"> long_address extent;</td></tr>
314<tr><td class="num" id="LN231">231</td><td class="line"> <span class='keyword'>bool</span> isEmpty = <span class='keyword'>false</span>;</td></tr>
315<tr><td class="num" id="LN232">232</td><td class="line"> recorded = <span class='keyword'>false</span>;</td></tr>
316<tr><td class="num" id="LN233">233</td><td class="line"> </td></tr>
317<tr><td class="num" id="LN234">234</td><td class="line"> <span class='keyword'>switch</span> (_IcbTag().descriptor_flags()) {</td></tr>
318<tr><td class="num" id="LN235">235</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_SHORT:</td></tr>
319<tr><td class="num" id="LN236">236</td><td class="line"> {</td></tr>
320<tr><td class="num" id="LN237">237</td><td class="line"> TRACE((<span class='string_literal'>"Icb::FindBlock: descriptor type -&gt; short\n"</span>));</td></tr>
321<tr><td class="num" id="LN238">238</td><td class="line"> AllocationDescriptorList&lt;ShortDescriptorAccessor&gt; list(<span class='keyword'>this</span>,</td></tr>
322<tr><td class="num" id="LN239">239</td><td class="line"> ShortDescriptorAccessor(fPartition));</td></tr>
323<tr><td class="num" id="LN240">240</td><td class="line"> status = list.FindExtent(pos, &amp;extent, &amp;isEmpty);</td></tr>
324<tr><td class="num" id="LN241">241</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
325<tr><td class="num" id="LN242">242</td><td class="line"> <span class='macro'>TRACE_ERROR((<span class='string_literal'>"Icb::FindBlock: error finding extent for offset "<span class='expansion'>dprintf ("Icb::FindBlock: error finding extent for offset " "%"<br> "ll" "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span></span></td></tr>
326<tr><td class="num" id="LN243">243</td><td class="line"> <span class='string_literal'><span class='macro'>"%"</span> B_PRIdOFF <span class='string_literal'>". status = 0x%"</span> B_PRIx32 <span class='string_literal'>" `%s'\n"</span>, pos, status,<span class='expansion'>dprintf ("Icb::FindBlock: error finding extent for offset " "%"<br> "ll" "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span></td></tr>
327<tr><td class="num" id="LN244">244</td><td class="line"> <span class='macro'>strerror(status)))<span class='expansion'>dprintf ("Icb::FindBlock: error finding extent for offset " "%"<br> "ll" "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span>;</td></tr>
328<tr><td class="num" id="LN245">245</td><td class="line"> }</td></tr>
329<tr><td class="num" id="LN246">246</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
330<tr><td class="num" id="LN247">247</td><td class="line"> }</td></tr>
331<tr><td class="num" id="LN248">248</td><td class="line"> </td></tr>
332<tr><td class="num" id="LN249">249</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_LONG:</td></tr>
333<tr><td class="num" id="LN250">250</td><td class="line"> {</td></tr>
334<tr><td class="num" id="LN251">251</td><td class="line"> TRACE((<span class='string_literal'>"Icb::FindBlock: descriptor type -&gt; long\n"</span>));</td></tr>
335<tr><td class="num" id="LN252">252</td><td class="line"> AllocationDescriptorList&lt;LongDescriptorAccessor&gt; list(<span class='keyword'>this</span>);</td></tr>
336<tr><td class="num" id="LN253">253</td><td class="line"> status = list.FindExtent(pos, &amp;extent, &amp;isEmpty);</td></tr>
337<tr><td class="num" id="LN254">254</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
338<tr><td class="num" id="LN255">255</td><td class="line"> <span class='macro'>TRACE_ERROR((<span class='string_literal'>"Icb::FindBlock: error finding extent for offset "<span class='expansion'>dprintf ("Icb::FindBlock: error finding extent for offset " "%"<br> "ll" "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span></span></td></tr>
339<tr><td class="num" id="LN256">256</td><td class="line"> <span class='string_literal'><span class='macro'>"%"</span> B_PRIdOFF <span class='string_literal'>". status = 0x%"</span> B_PRIx32 <span class='string_literal'>" `%s'\n"</span>, pos,<span class='expansion'>dprintf ("Icb::FindBlock: error finding extent for offset " "%"<br> "ll" "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span></td></tr>
340<tr><td class="num" id="LN257">257</td><td class="line"> <span class='macro'>status, strerror(status)))<span class='expansion'>dprintf ("Icb::FindBlock: error finding extent for offset " "%"<br> "ll" "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span>;</td></tr>
341<tr><td class="num" id="LN258">258</td><td class="line"> }</td></tr>
342<tr><td class="num" id="LN259">259</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
343<tr><td class="num" id="LN260">260</td><td class="line"> }</td></tr>
344<tr><td class="num" id="LN261">261</td><td class="line"> </td></tr>
345<tr><td class="num" id="LN262">262</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_EXTENDED:</td></tr>
346<tr><td class="num" id="LN263">263</td><td class="line"> {</td></tr>
347<tr><td class="num" id="LN264">264</td><td class="line"> TRACE((<span class='string_literal'>"Icb::FindBlock: descriptor type -&gt; extended\n"</span>));</td></tr>
348<tr><td class="num" id="LN265">265</td><td class="line"><span class='comment'>// AllocationDescriptorList&lt;ExtendedDescriptorAccessor&gt; list(this, ExtendedDescriptorAccessor(0));</span></td></tr>
349<tr><td class="num" id="LN266">266</td><td class="line"><span class='comment'>// RETURN(_Read(list, pos, buffer, length, block));</span></td></tr>
350<tr><td class="num" id="LN267">267</td><td class="line"> <span class='macro'>RETURN(B_ERROR)<span class='expansion'>return (-1);</span></span>;</td></tr>
351<tr><td class="num" id="LN268">268</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
352<tr><td class="num" id="LN269">269</td><td class="line"> }</td></tr>
353<tr><td class="num" id="LN270">270</td><td class="line"> </td></tr>
354<tr><td class="num" id="LN271">271</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_EMBEDDED:</td></tr>
355<tr><td class="num" id="LN272">272</td><td class="line"> {</td></tr>
356<tr><td class="num" id="LN273">273</td><td class="line"> TRACE((<span class='string_literal'>"Icb::FindBlock: descriptor type: embedded\n"</span>));</td></tr>
357<tr><td class="num" id="LN274">274</td><td class="line"> <span class='macro'>RETURN(B_ERROR)<span class='expansion'>return (-1);</span></span>;</td></tr>
358<tr><td class="num" id="LN275">275</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
359<tr><td class="num" id="LN276">276</td><td class="line"> }</td></tr>
360<tr><td class="num" id="LN277">277</td><td class="line"> </td></tr>
361<tr><td class="num" id="LN278">278</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
362<tr><td class="num" id="LN279">279</td><td class="line"> TRACE((<span class='string_literal'>"Icb::FindBlock: invalid icb descriptor flags! (flags = %d)\n"</span>,</td></tr>
363<tr><td class="num" id="LN280">280</td><td class="line"> _IcbTag().descriptor_flags()));</td></tr>
364<tr><td class="num" id="LN281">281</td><td class="line"> <span class='macro'>RETURN(B_BAD_VALUE)<span class='expansion'>return ((-2147483647 - 1) + 5);</span></span>;</td></tr>
365<tr><td class="num" id="LN282">282</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
366<tr><td class="num" id="LN283">283</td><td class="line"> }</td></tr>
367<tr><td class="num" id="LN284">284</td><td class="line"> </td></tr>
368<tr><td class="num" id="LN285">285</td><td class="line"> <span class='keyword'>if</span> (status == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
369<tr><td class="num" id="LN286">286</td><td class="line"> block = extent.block();</td></tr>
370<tr><td class="num" id="LN287">287</td><td class="line"> recorded = extent.type() == EXTENT_TYPE_RECORDED;</td></tr>
371<tr><td class="num" id="LN288">288</td><td class="line"> TRACE((<span class='string_literal'>"Icb::FindBlock: block %"</span> B_PRIdOFF <span class='string_literal'>"\n"</span>, block));</td></tr>
372<tr><td class="num" id="LN289">289</td><td class="line"> }</td></tr>
373<tr><td class="num" id="LN290">290</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
374<tr><td class="num" id="LN291">291</td><td class="line">}</td></tr>
375<tr><td class="num" id="LN292">292</td><td class="line"> </td></tr>
376<tr><td class="num" id="LN293">293</td><td class="line"> </td></tr>
377<tr><td class="num" id="LN294">294</td><td class="line">status_t</td></tr>
378<tr><td class="num" id="LN295">295</td><td class="line">Icb::Read(off_t pos, <span class='keyword'>void</span> *buffer, size_t *length, uint32 *block)</td></tr>
379<tr><td class="num" id="LN296">296</td><td class="line">{</td></tr>
380<tr><td class="num" id="LN297">297</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Read: pos = %"</span> B_PRIdOFF <span class='string_literal'>", buffer = %p, length = (%p)-&gt;%ld\n"</span>,</td></tr>
381<tr><td class="num" id="LN298">298</td><td class="line"> pos, buffer, length, (length ? *length : 0)));</td></tr>
382<tr><td class="num" id="LN299">299</td><td class="line"> </td></tr>
383<tr><td class="num" id="LN300">300</td><td class="line"> <span class='keyword'>if</span> (!buffer || !length || pos &lt; 0)</td></tr>
384<tr><td class="num" id="LN301">301</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
385<tr><td class="num" id="LN302">302</td><td class="line"> </td></tr>
386<tr><td class="num" id="LN303">303</td><td class="line"> <span class='keyword'>if</span> (uint64(pos) &gt;= Length()) {</td></tr>
387<tr><td class="num" id="LN304">304</td><td class="line"> *length = 0;</td></tr>
388<tr><td class="num" id="LN305">305</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
389<tr><td class="num" id="LN306">306</td><td class="line"> }</td></tr>
390<tr><td class="num" id="LN307">307</td><td class="line"> </td></tr>
391<tr><td class="num" id="LN308">308</td><td class="line"> <span class='macro'>DEBUG_INIT_ETC(<span class='string_literal'>"Icb"</span>, (<span class='string_literal'>"pos: %lld, length: %ld"</span>, pos, *length))<span class='expansion'>;</span></span>;</td></tr>
392<tr><td class="num" id="LN309">309</td><td class="line"> </td></tr>
393<tr><td class="num" id="LN310">310</td><td class="line"> <span class='keyword'>if</span> (fFileCache != <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
394<tr><td class="num" id="LN311">311</td><td class="line"> <span class='keyword'>return</span> file_cache_read(fFileCache, <span class='macro'>NULL<span class='expansion'>__null</span></span>, pos, buffer, length);</td></tr>
395<tr><td class="num" id="LN312">312</td><td class="line"> </td></tr>
396<tr><td class="num" id="LN313">313</td><td class="line"> <span class='keyword'>switch</span> (_IcbTag().descriptor_flags()) {</td></tr>
397<tr><td class="num" id="LN314">314</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_SHORT:</td></tr>
398<tr><td class="num" id="LN315">315</td><td class="line"> {</td></tr>
399<tr><td class="num" id="LN316">316</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Read: descriptor type -&gt; short\n"</span>));</td></tr>
400<tr><td class="num" id="LN317">317</td><td class="line"> AllocationDescriptorList&lt;ShortDescriptorAccessor&gt; list(<span class='keyword'>this</span>,</td></tr>
401<tr><td class="num" id="LN318">318</td><td class="line"> ShortDescriptorAccessor(fPartition));</td></tr>
402<tr><td class="num" id="LN319">319</td><td class="line"> <span class='macro'>RETURN(_Read(list, pos, buffer, length, block))<span class='expansion'>return _Read(list, pos, buffer, length, block);</span></span>;</td></tr>
403<tr><td class="num" id="LN320">320</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
404<tr><td class="num" id="LN321">321</td><td class="line"> }</td></tr>
405<tr><td class="num" id="LN322">322</td><td class="line"> </td></tr>
406<tr><td class="num" id="LN323">323</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_LONG:</td></tr>
407<tr><td class="num" id="LN324">324</td><td class="line"> {</td></tr>
408<tr><td class="num" id="LN325">325</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Read: descriptor type -&gt; long\n"</span>));</td></tr>
409<tr><td class="num" id="LN326">326</td><td class="line"> AllocationDescriptorList&lt;LongDescriptorAccessor&gt; list(<span class='keyword'>this</span>);</td></tr>
410<tr><td class="num" id="LN327">327</td><td class="line"> <span class='macro'>RETURN(_Read(list, pos, buffer, length, block))<span class='expansion'>return _Read(list, pos, buffer, length, block);</span></span>;</td></tr>
411<tr><td class="num" id="LN328">328</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
412<tr><td class="num" id="LN329">329</td><td class="line"> }</td></tr>
413<tr><td class="num" id="LN330">330</td><td class="line"> </td></tr>
414<tr><td class="num" id="LN331">331</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_EXTENDED:</td></tr>
415<tr><td class="num" id="LN332">332</td><td class="line"> {</td></tr>
416<tr><td class="num" id="LN333">333</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Read: descriptor type -&gt; extended\n"</span>));</td></tr>
417<tr><td class="num" id="LN334">334</td><td class="line"><span class='comment'>// AllocationDescriptorList&lt;ExtendedDescriptorAccessor&gt; list(this, ExtendedDescriptorAccessor(0));</span></td></tr>
418<tr><td class="num" id="LN335">335</td><td class="line"><span class='comment'>// RETURN(_Read(list, pos, buffer, length, block));</span></td></tr>
419<tr><td class="num" id="LN336">336</td><td class="line"> <span class='macro'>RETURN(B_ERROR)<span class='expansion'>return (-1);</span></span>;</td></tr>
420<tr><td class="num" id="LN337">337</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
421<tr><td class="num" id="LN338">338</td><td class="line"> }</td></tr>
422<tr><td class="num" id="LN339">339</td><td class="line"> </td></tr>
423<tr><td class="num" id="LN340">340</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_EMBEDDED:</td></tr>
424<tr><td class="num" id="LN341">341</td><td class="line"> {</td></tr>
425<tr><td class="num" id="LN342">342</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Read: descriptor type: embedded\n"</span>));</td></tr>
426<tr><td class="num" id="LN343">343</td><td class="line"> <span class='macro'>RETURN(B_ERROR)<span class='expansion'>return (-1);</span></span>;</td></tr>
427<tr><td class="num" id="LN344">344</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
428<tr><td class="num" id="LN345">345</td><td class="line"> }</td></tr>
429<tr><td class="num" id="LN346">346</td><td class="line"> </td></tr>
430<tr><td class="num" id="LN347">347</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
431<tr><td class="num" id="LN348">348</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Read: invalid icb descriptor flags! (flags = %d)\n"</span>,</td></tr>
432<tr><td class="num" id="LN349">349</td><td class="line"> _IcbTag().descriptor_flags()));</td></tr>
433<tr><td class="num" id="LN350">350</td><td class="line"> <span class='macro'>RETURN(B_BAD_VALUE)<span class='expansion'>return ((-2147483647 - 1) + 5);</span></span>;</td></tr>
434<tr><td class="num" id="LN351">351</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
435<tr><td class="num" id="LN352">352</td><td class="line"> }</td></tr>
436<tr><td class="num" id="LN353">353</td><td class="line">}</td></tr>
437<tr><td class="num" id="LN354">354</td><td class="line"> </td></tr>
438<tr><td class="num" id="LN355">355</td><td class="line"> </td></tr>
439<tr><td class="num" id="LN356">356</td><td class="line"><span class='comment'>/*! \brief Does the dirty work of reading using the given DescriptorList object</span></td></tr>
440<tr><td class="num" id="LN357">357</td><td class="line"> <span class='comment'>to access the allocation descriptors properly.</span></td></tr>
441<tr><td class="num" id="LN358">358</td><td class="line"><span class='comment'>*/</span></td></tr>
442<tr><td class="num" id="LN359">359</td><td class="line"><span class='keyword'>template</span> &lt;<span class='keyword'>class</span> DescriptorList&gt;</td></tr>
443<tr><td class="num" id="LN360">360</td><td class="line">status_t</td></tr>
444<tr><td class="num" id="LN361">361</td><td class="line">Icb::_Read(DescriptorList &amp;list, off_t pos, <span class='keyword'>void</span> *_buffer, size_t *length, uint32 *block)</td></tr>
445<tr><td class="num" id="LN362">362</td><td class="line">{</td></tr>
446<tr><td class="num" id="LN363">363</td><td class="line"> TRACE((<span class='string_literal'>"Icb::_Read(): list = %p, pos = %"</span> B_PRIdOFF <span class='string_literal'>", buffer = %p, "</span></td></tr>
447<tr><td class="num" id="LN364">364</td><td class="line"> <span class='string_literal'>"length = %ld\n"</span>, &amp;list, pos, _buffer, (length ? *length : 0)));</td></tr>
448<tr><td class="num" id="LN365">365</td><td class="line"> </td></tr>
449<tr><td class="num" id="LN366">366</td><td class="line"> uint64 bytesLeftInFile = uint64(pos) &gt; Length() ? 0 : Length() - pos;</td></tr>
450<tr><td class="num" id="LN367">367</td><td class="line"> size_t bytesLeft = (*length &gt;= bytesLeftInFile) ? bytesLeftInFile : *length;</td></tr>
451<tr><td class="num" id="LN368">368</td><td class="line"> size_t bytesRead = 0;</td></tr>
452<tr><td class="num" id="LN369">369</td><td class="line"> </td></tr>
453<tr><td class="num" id="LN370">370</td><td class="line"> Volume *volume = GetVolume();</td></tr>
454<tr><td class="num" id="LN371">371</td><td class="line"> status_t status = <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
455<tr><td class="num" id="LN372">372</td><td class="line"> uint8 *buffer = (uint8 *)_buffer;</td></tr>
456<tr><td class="num" id="LN373">373</td><td class="line"> <span class='keyword'>bool</span> isFirstBlock = <span class='keyword'>true</span>;</td></tr>
457<tr><td class="num" id="LN374">374</td><td class="line"> </td></tr>
458<tr><td class="num" id="LN375">375</td><td class="line"> <span class='keyword'>while</span> (bytesLeft &gt; 0) {</td></tr>
459<tr><td class="num" id="LN376">376</td><td class="line"> </td></tr>
460<tr><td class="num" id="LN377">377</td><td class="line"> TRACE((<span class='string_literal'>"Icb::_Read(): pos: %"</span> B_PRIdOFF <span class='string_literal'>", bytesLeft: %ld\n"</span>, pos,</td></tr>
461<tr><td class="num" id="LN378">378</td><td class="line"> bytesLeft));</td></tr>
462<tr><td class="num" id="LN379">379</td><td class="line"> long_address extent;</td></tr>
463<tr><td class="num" id="LN380">380</td><td class="line"> <span class='keyword'>bool</span> isEmpty = <span class='keyword'>false</span>;</td></tr>
464<tr><td class="num" id="LN381">381</td><td class="line"> status = list.FindExtent(pos, &amp;extent, &amp;isEmpty);</td></tr>
465<tr><td class="num" id="LN382">382</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
466<tr><td class="num" id="LN383">383</td><td class="line"> <span class='macro'>TRACE_ERROR((<span class='string_literal'>"Icb::_Read: error finding extent for offset %"<span class='expansion'>dprintf ("Icb::_Read: error finding extent for offset %" "ll"<br> "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span></span></td></tr>
467<tr><td class="num" id="LN384">384</td><td class="line"> <span class='macro'>B_PRIdOFF <span class='string_literal'>". status = 0x%"</span> B_PRIx32 <span class='string_literal'>" `%s'\n"</span>, pos, status,<span class='expansion'>dprintf ("Icb::_Read: error finding extent for offset %" "ll"<br> "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span></td></tr>
468<tr><td class="num" id="LN385">385</td><td class="line"> <span class='macro'>strerror(status)))<span class='expansion'>dprintf ("Icb::_Read: error finding extent for offset %" "ll"<br> "d" ". status = 0x%" "l" "x" " `%s'\n", pos, status, strerror<br>(status))</span></span>;</td></tr>
469<tr><td class="num" id="LN386">386</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
470<tr><td class="num" id="LN387">387</td><td class="line"> }</td></tr>
471<tr><td class="num" id="LN388">388</td><td class="line"> </td></tr>
472<tr><td class="num" id="LN389">389</td><td class="line"> TRACE((<span class='string_literal'>"Icb::_Read(): found extent for offset %"</span> B_PRIdOFF <span class='string_literal'>": (block: "</span></td></tr>
473<tr><td class="num" id="LN390">390</td><td class="line"> <span class='string_literal'>"%"</span> B_PRIu32 <span class='string_literal'>", partition: %d, length: %"</span> B_PRIu32 <span class='string_literal'>", type: %d)\n"</span>,</td></tr>
474<tr><td class="num" id="LN391">391</td><td class="line"> pos, extent.block(), extent.partition(), extent.length(),</td></tr>
475<tr><td class="num" id="LN392">392</td><td class="line"> extent.type()));</td></tr>
476<tr><td class="num" id="LN393">393</td><td class="line"> </td></tr>
477<tr><td class="num" id="LN394">394</td><td class="line"> <span class='keyword'>switch</span> (extent.type()) {</td></tr>
478<tr><td class="num" id="LN395">395</td><td class="line"> <span class='keyword'>case</span> EXTENT_TYPE_RECORDED:</td></tr>
479<tr><td class="num" id="LN396">396</td><td class="line"> isEmpty = <span class='keyword'>false</span>;</td></tr>
480<tr><td class="num" id="LN397">397</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
481<tr><td class="num" id="LN398">398</td><td class="line"> </td></tr>
482<tr><td class="num" id="LN399">399</td><td class="line"> <span class='keyword'>case</span> EXTENT_TYPE_ALLOCATED:</td></tr>
483<tr><td class="num" id="LN400">400</td><td class="line"> <span class='keyword'>case</span> EXTENT_TYPE_UNALLOCATED:</td></tr>
484<tr><td class="num" id="LN401">401</td><td class="line"> isEmpty = <span class='keyword'>true</span>;</td></tr>
485<tr><td class="num" id="LN402">402</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
486<tr><td class="num" id="LN403">403</td><td class="line"> </td></tr>
487<tr><td class="num" id="LN404">404</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
488<tr><td class="num" id="LN405">405</td><td class="line"> <span class='macro'>TRACE_ERROR((<span class='string_literal'>"Icb::_Read(): Invalid extent type found: %d\n"</span>,<span class='expansion'>dprintf ("Icb::_Read(): Invalid extent type found: %d\n", extent<br>.type())</span></span></td></tr>
489<tr><td class="num" id="LN406">406</td><td class="line"> <span class='macro'>extent.type()))<span class='expansion'>dprintf ("Icb::_Read(): Invalid extent type found: %d\n", extent<br>.type())</span></span>;</td></tr>
490<tr><td class="num" id="LN407">407</td><td class="line"> status = <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
491<tr><td class="num" id="LN408">408</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
492<tr><td class="num" id="LN409">409</td><td class="line"> }</td></tr>
493<tr><td class="num" id="LN410">410</td><td class="line"> </td></tr>
494<tr><td class="num" id="LN411">411</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
495<tr><td class="num" id="LN412">412</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
496<tr><td class="num" id="LN413">413</td><td class="line"> </td></tr>
497<tr><td class="num" id="LN414">414</td><td class="line"> <span class='comment'>// Note the unmapped first block of the total read in</span></td></tr>
498<tr><td class="num" id="LN415">415</td><td class="line"> <span class='comment'>// the block output parameter if provided</span></td></tr>
499<tr><td class="num" id="LN416">416</td><td class="line"> <span class='keyword'>if</span> (isFirstBlock) {</td></tr>
500<tr><td class="num" id="LN417">417</td><td class="line"> isFirstBlock = <span class='keyword'>false</span>;</td></tr>
501<tr><td class="num" id="LN418">418</td><td class="line"> <span class='keyword'>if</span> (block)</td></tr>
502<tr><td class="num" id="LN419">419</td><td class="line"> *block = extent.block();</td></tr>
503<tr><td class="num" id="LN420">420</td><td class="line"> }</td></tr>
504<tr><td class="num" id="LN421">421</td><td class="line"> </td></tr>
505<tr><td class="num" id="LN422">422</td><td class="line"> off_t blockOffset</td></tr>
506<tr><td class="num" id="LN423">423</td><td class="line"> = pos - off_t((pos &gt;&gt; volume-&gt;BlockShift()) &lt;&lt; volume-&gt;BlockShift());</td></tr>
507<tr><td class="num" id="LN424">424</td><td class="line"> </td></tr>
508<tr><td class="num" id="LN425">425</td><td class="line"> size_t readLength = volume-&gt;BlockSize() - blockOffset;</td></tr>
509<tr><td class="num" id="LN426">426</td><td class="line"> <span class='keyword'>if</span> (bytesLeft &lt; readLength)</td></tr>
510<tr><td class="num" id="LN427">427</td><td class="line"> readLength = bytesLeft;</td></tr>
511<tr><td class="num" id="LN428">428</td><td class="line"> <span class='keyword'>if</span> (extent.length() &lt; readLength)</td></tr>
512<tr><td class="num" id="LN429">429</td><td class="line"> readLength = extent.length();</td></tr>
513<tr><td class="num" id="LN430">430</td><td class="line"> </td></tr>
514<tr><td class="num" id="LN431">431</td><td class="line"> TRACE((<span class='string_literal'>"Icb::_Read: reading block. offset = %"</span> B_PRIdOFF</td></tr>
515<tr><td class="num" id="LN432">432</td><td class="line"> <span class='string_literal'>", length: %ld\n"</span>, blockOffset, readLength));</td></tr>
516<tr><td class="num" id="LN433">433</td><td class="line"> </td></tr>
517<tr><td class="num" id="LN434">434</td><td class="line"> <span class='keyword'>if</span> (isEmpty) {</td></tr>
518<tr><td class="num" id="LN435">435</td><td class="line"> TRACE((<span class='string_literal'>"Icb::_Read: reading %ld empty bytes as zeros\n"</span>,</td></tr>
519<tr><td class="num" id="LN436">436</td><td class="line"> readLength));</td></tr>
520<tr><td class="num" id="LN437">437</td><td class="line"> memset(buffer, 0, readLength);</td></tr>
521<tr><td class="num" id="LN438">438</td><td class="line"> } <span class='keyword'>else</span> {</td></tr>
522<tr><td class="num" id="LN439">439</td><td class="line"> off_t diskBlock;</td></tr>
523<tr><td class="num" id="LN440">440</td><td class="line"> status = volume-&gt;MapBlock(extent, &amp;diskBlock);</td></tr>
524<tr><td class="num" id="LN441">441</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
525<tr><td class="num" id="LN442">442</td><td class="line"> <span class='macro'>TRACE_ERROR((<span class='string_literal'>"Icb::_Read: could not map extent\n"</span>))<span class='expansion'>dprintf ("Icb::_Read: could not map extent\n")</span></span>;</td></tr>
526<tr><td class="num" id="LN443">443</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
527<tr><td class="num" id="LN444">444</td><td class="line"> }</td></tr>
528<tr><td class="num" id="LN445">445</td><td class="line"> </td></tr>
529<tr><td class="num" id="LN446">446</td><td class="line"> TRACE((<span class='string_literal'>"Icb::_Read: %ld bytes from disk block %"</span> B_PRIdOFF <span class='string_literal'>" using"</span></td></tr>
530<tr><td class="num" id="LN447">447</td><td class="line"> <span class='string_literal'>" block_cache_get_etc()\n"</span>, readLength, diskBlock));</td></tr>
531<tr><td class="num" id="LN448">448</td><td class="line"> uint8 *data = (uint8*)block_cache_get_etc(volume-&gt;BlockCache(),</td></tr>
532<tr><td class="num" id="LN449">449</td><td class="line"> diskBlock, 0, readLength);</td></tr>
533<tr><td class="num" id="LN450">450</td><td class="line"> <span class='keyword'>if</span> (data == <span class='macro'>NULL<span class='expansion'>__null</span></span>)</td></tr>
534<tr><td class="num" id="LN451">451</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
535<tr><td class="num" id="LN452">452</td><td class="line"> memcpy(buffer, data + blockOffset, readLength);</td></tr>
536<tr><td class="num" id="LN453">453</td><td class="line"> block_cache_put(volume-&gt;BlockCache(), diskBlock);</td></tr>
537<tr><td class="num" id="LN454">454</td><td class="line"> }</td></tr>
538<tr><td class="num" id="LN455">455</td><td class="line"> </td></tr>
539<tr><td class="num" id="LN456">456</td><td class="line"> bytesLeft -= readLength;</td></tr>
540<tr><td class="num" id="LN457">457</td><td class="line"> bytesRead += readLength;</td></tr>
541<tr><td class="num" id="LN458">458</td><td class="line"> pos += readLength;</td></tr>
542<tr><td class="num" id="LN459">459</td><td class="line"> buffer += readLength;</td></tr>
543<tr><td class="num" id="LN460">460</td><td class="line"> }</td></tr>
544<tr><td class="num" id="LN461">461</td><td class="line"> </td></tr>
545<tr><td class="num" id="LN462">462</td><td class="line"> *length = bytesRead;</td></tr>
546<tr><td class="num" id="LN463">463</td><td class="line"> </td></tr>
547<tr><td class="num" id="LN464">464</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
548<tr><td class="num" id="LN465">465</td><td class="line">}</td></tr>
549<tr><td class="num" id="LN466">466</td><td class="line"> </td></tr>
550<tr><td class="num" id="LN467">467</td><td class="line"> </td></tr>
551<tr><td class="num" id="LN468">468</td><td class="line">status_t</td></tr>
552<tr><td class="num" id="LN469">469</td><td class="line">Icb::GetFileMap(off_t offset, size_t size, file_io_vec *vecs, size_t *count)</td></tr>
553<tr><td class="num" id="LN470">470</td><td class="line">{</td></tr>
554<tr><td class="num" id="LN471">471</td><td class="line"> <span class='keyword'>switch</span> (_IcbTag().descriptor_flags()) {</td></tr>
555<tr><td class="num" id="LN472">472</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_SHORT:</td></tr>
556<tr><td class="num" id="LN473">473</td><td class="line"> {</td></tr>
557<tr><td class="num" id="LN474">474</td><td class="line"> AllocationDescriptorList&lt;ShortDescriptorAccessor&gt; list(<span class='keyword'>this</span>,</td></tr>
558<tr><td class="num" id="LN475">475</td><td class="line"> ShortDescriptorAccessor(0));</td></tr>
559<tr><td class="num" id="LN476">476</td><td class="line"> <span class='keyword'>return</span> _GetFileMap(list, offset, size, vecs, count);</td></tr>
560<tr><td class="num" id="LN477">477</td><td class="line"> }</td></tr>
561<tr><td class="num" id="LN478">478</td><td class="line"> </td></tr>
562<tr><td class="num" id="LN479">479</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_LONG:</td></tr>
563<tr><td class="num" id="LN480">480</td><td class="line"> {</td></tr>
564<tr><td class="num" id="LN481">481</td><td class="line"> AllocationDescriptorList&lt;LongDescriptorAccessor&gt; list(<span class='keyword'>this</span>);</td></tr>
565<tr><td class="num" id="LN482">482</td><td class="line"> <span class='keyword'>return</span> _GetFileMap(list, offset, size, vecs, count);</td></tr>
566<tr><td class="num" id="LN483">483</td><td class="line"> }</td></tr>
567<tr><td class="num" id="LN484">484</td><td class="line"> </td></tr>
568<tr><td class="num" id="LN485">485</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_EXTENDED:</td></tr>
569<tr><td class="num" id="LN486">486</td><td class="line"> <span class='keyword'>case</span> ICB_DESCRIPTOR_TYPE_EMBEDDED:</td></tr>
570<tr><td class="num" id="LN487">487</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
571<tr><td class="num" id="LN488">488</td><td class="line"> {</td></tr>
572<tr><td class="num" id="LN489">489</td><td class="line"> <span class='comment'>// TODO: implement?</span></td></tr>
573<tr><td class="num" id="LN490">490</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_UNSUPPORTED<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 14)</span></span>;</td></tr>
574<tr><td class="num" id="LN491">491</td><td class="line"> }</td></tr>
575<tr><td class="num" id="LN492">492</td><td class="line"> }</td></tr>
576<tr><td class="num" id="LN493">493</td><td class="line">}</td></tr>
577<tr><td class="num" id="LN494">494</td><td class="line"> </td></tr>
578<tr><td class="num" id="LN495">495</td><td class="line"> </td></tr>
579<tr><td class="num" id="LN496">496</td><td class="line"><span class='keyword'>template</span>&lt;<span class='keyword'>class</span> DescriptorList&gt;</td></tr>
580<tr><td class="num" id="LN497">497</td><td class="line">status_t</td></tr>
581<tr><td class="num" id="LN498">498</td><td class="line">Icb::_GetFileMap(DescriptorList &amp;list, off_t offset, size_t size,</td></tr>
582<tr><td class="num" id="LN499">499</td><td class="line"> <span class='keyword'>struct</span> file_io_vec *vecs, size_t *count)</td></tr>
583<tr><td class="num" id="LN500">500</td><td class="line">{</td></tr>
584<tr><td class="num" id="LN501">501</td><td class="line"> size_t index = 0;</td></tr>
585<tr><td class="num" id="LN502">502</td><td class="line"> size_t max = *count;</td></tr>
586<tr><td class="num" id="LN503">503</td><td class="line"> </td></tr>
587<tr><td class="num" id="LN504">504</td><td class="line"> <span class='keyword'>while</span> (<span class='keyword'>true</span>) {</td></tr>
588<tr><td class="num" id="LN505">505</td><td class="line"> long_address extent;</td></tr>
589<tr><td class="num" id="LN506">506</td><td class="line"> <span class='keyword'>bool</span> isEmpty = <span class='keyword'>false</span>;</td></tr>
590<tr><td class="num" id="LN507">507</td><td class="line"> status_t status = list.FindExtent(offset, &amp;extent, &amp;isEmpty);</td></tr>
591<tr><td class="num" id="LN508">508</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
592<tr><td class="num" id="LN509">509</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
593<tr><td class="num" id="LN510">510</td><td class="line"> </td></tr>
594<tr><td class="num" id="LN511">511</td><td class="line"> <span class='keyword'>switch</span> (extent.type()) {</td></tr>
595<tr><td class="num" id="LN512">512</td><td class="line"> <span class='keyword'>case</span> EXTENT_TYPE_RECORDED:</td></tr>
596<tr><td class="num" id="LN513">513</td><td class="line"> isEmpty = <span class='keyword'>false</span>;</td></tr>
597<tr><td class="num" id="LN514">514</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
598<tr><td class="num" id="LN515">515</td><td class="line"> </td></tr>
599<tr><td class="num" id="LN516">516</td><td class="line"> <span class='keyword'>case</span> EXTENT_TYPE_ALLOCATED:</td></tr>
600<tr><td class="num" id="LN517">517</td><td class="line"> <span class='keyword'>case</span> EXTENT_TYPE_UNALLOCATED:</td></tr>
601<tr><td class="num" id="LN518">518</td><td class="line"> isEmpty = <span class='keyword'>true</span>;</td></tr>
602<tr><td class="num" id="LN519">519</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
603<tr><td class="num" id="LN520">520</td><td class="line"> </td></tr>
604<tr><td class="num" id="LN521">521</td><td class="line"> <span class='keyword'>default</span>:</td></tr>
605<tr><td class="num" id="LN522">522</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
606<tr><td class="num" id="LN523">523</td><td class="line"> }</td></tr>
607<tr><td class="num" id="LN524">524</td><td class="line"> </td></tr>
608<tr><td class="num" id="LN525">525</td><td class="line"> <span class='keyword'>if</span> (isEmpty)</td></tr>
609<tr><td class="num" id="LN526">526</td><td class="line"> vecs[index].offset = -1;</td></tr>
610<tr><td class="num" id="LN527">527</td><td class="line"> <span class='keyword'>else</span> {</td></tr>
611<tr><td class="num" id="LN528">528</td><td class="line"> off_t diskBlock;</td></tr>
612<tr><td class="num" id="LN529">529</td><td class="line"> fVolume-&gt;MapBlock(extent, &amp;diskBlock);</td></tr>
613<tr><td class="num" id="LN530">530</td><td class="line"> vecs[index].offset = diskBlock &lt;&lt; fVolume-&gt;BlockShift();</td></tr>
614<tr><td class="num" id="LN531">531</td><td class="line"> }</td></tr>
615<tr><td class="num" id="LN532">532</td><td class="line"> </td></tr>
616<tr><td class="num" id="LN533">533</td><td class="line"> off_t length = extent.length();</td></tr>
617<tr><td class="num" id="LN534">534</td><td class="line"> vecs[index].length = length;</td></tr>
618<tr><td class="num" id="LN535">535</td><td class="line"> </td></tr>
619<tr><td class="num" id="LN536">536</td><td class="line"> offset += length;</td></tr>
620<tr><td class="num" id="LN537">537</td><td class="line"> size -= length;</td></tr>
621<tr><td class="num" id="LN538">538</td><td class="line"> index++;</td></tr>
622<tr><td class="num" id="LN539">539</td><td class="line"> </td></tr>
623<tr><td class="num" id="LN540">540</td><td class="line"> <span class='keyword'>if</span> (index &gt;= max || (off_t)size &lt;= vecs[index - 1].length</td></tr>
624<tr><td class="num" id="LN541">541</td><td class="line"> || offset &gt;= (off_t)Length()) {</td></tr>
625<tr><td class="num" id="LN542">542</td><td class="line"> *count = index;</td></tr>
626<tr><td class="num" id="LN543">543</td><td class="line"> <span class='keyword'>return</span> index &gt;= max ? <span class='macro'>B_BUFFER_OVERFLOW<span class='expansion'>((((-2147483647 - 1) + 0x7000) + 41))</span></span> : <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>;</td></tr>
627<tr><td class="num" id="LN544">544</td><td class="line"> }</td></tr>
628<tr><td class="num" id="LN545">545</td><td class="line"> }</td></tr>
629<tr><td class="num" id="LN546">546</td><td class="line"> </td></tr>
630<tr><td class="num" id="LN547">547</td><td class="line"> <span class='comment'>// can never get here</span></td></tr>
631<tr><td class="num" id="LN548">548</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_ERROR<span class='expansion'>(-1)</span></span>;</td></tr>
632<tr><td class="num" id="LN549">549</td><td class="line">}</td></tr>
633<tr><td class="num" id="LN550">550</td><td class="line"> </td></tr>
634<tr><td class="num" id="LN551">551</td><td class="line"> </td></tr>
635<tr><td class="num" id="LN552">552</td><td class="line">status_t</td></tr>
636<tr><td class="num" id="LN553">553</td><td class="line">Icb::Find(<span class='keyword'>const</span> <span class='keyword'>char</span> *filename, ino_t *id)</td></tr>
637<tr><td class="num" id="LN554">554</td><td class="line">{</td></tr>
638<tr><td class="num" id="LN555">555</td><td class="line"> TRACE((<span class='string_literal'>"Icb::Find: filename = `%s', id = %p\n"</span>, filename, id));</td></tr>
639<tr><td class="num" id="LN556">556</td><td class="line"> </td></tr>
640<tr><td class="num" id="LN557">557</td><td class="line"> <span class='keyword'>if</span> (!filename || !id)</td></tr>
641<tr><td class="num" id="LN558">558</td><td class="line"> <span class='keyword'>return</span> <span class='macro'>B_BAD_VALUE<span class='expansion'>((-2147483647 - 1) + 5)</span></span>;</td></tr>
642<tr><td class="num" id="LN559">559</td><td class="line"> </td></tr>
643<tr><td class="num" id="LN560">560</td><td class="line"> DirectoryIterator *i;</td></tr>
644<tr><td class="num" id="LN561">561</td><td class="line"> status_t status = GetDirectoryIterator(&amp;i);</td></tr>
645<tr><td class="num" id="LN562">562</td><td class="line"> <span class='keyword'>if</span> (status != <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>)</td></tr>
646<tr><td class="num" id="LN563">563</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
647<tr><td class="num" id="LN564">564</td><td class="line"> </td></tr>
648<tr><td class="num" id="LN565">565</td><td class="line"> ino_t entryId;</td></tr>
649<tr><td class="num" id="LN566">566</td><td class="line"> uint32 length = <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>;</td></tr>
650<tr><td class="num" id="LN567">567</td><td class="line"> <span class='keyword'>char</span> name[<span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>];</td></tr>
651<tr><td class="num" id="LN568">568</td><td class="line"> </td></tr>
652<tr><td class="num" id="LN569">569</td><td class="line"> <span class='keyword'>bool</span> foundIt = <span class='keyword'>false</span>;</td></tr>
653<tr><td class="num" id="LN570">570</td><td class="line"> <span class='keyword'>while</span> (i-&gt;GetNextEntry(name, &amp;length, &amp;entryId) == <span class='macro'>B_OK<span class='expansion'>((int)0)</span></span>) {</td></tr>
654<tr><td class="num" id="LN571">571</td><td class="line"> <span class='keyword'>if</span> (strcmp(filename, name) == 0) {</td></tr>
655<tr><td class="num" id="LN572">572</td><td class="line"> foundIt = <span class='keyword'>true</span>;</td></tr>
656<tr><td class="num" id="LN573">573</td><td class="line"> <span class='keyword'>break</span>;</td></tr>
657<tr><td class="num" id="LN574">574</td><td class="line"> }</td></tr>
658<tr><td class="num" id="LN575">575</td><td class="line"> </td></tr>
659<tr><td class="num" id="LN576">576</td><td class="line"> <span class='comment'>// reset overwritten length</span></td></tr>
660<tr><td class="num" id="LN577">577</td><td class="line"> length = <span class='macro'>B_FILE_NAME_LENGTH<span class='expansion'>(256)</span></span>;</td></tr>
661<tr><td class="num" id="LN578">578</td><td class="line"> }</td></tr>
662<tr><td class="num" id="LN579">579</td><td class="line"> </td></tr>
663<tr><td class="num" id="LN580">580</td><td class="line"> <span class='keyword'>if</span> (foundIt)</td></tr>
664<tr><td class="num" id="LN581">581</td><td class="line"> *id = entryId;</td></tr>
665<tr><td class="num" id="LN582">582</td><td class="line"> <span class='keyword'>else</span></td></tr>
666<tr><td class="num" id="LN583">583</td><td class="line"> status = <span class='macro'>B_ENTRY_NOT_FOUND<span class='expansion'>(((-2147483647 - 1) + 0x6000) + 3)</span></span>;</td></tr>
667<tr><td class="num" id="LN584">584</td><td class="line"> </td></tr>
668<tr><td class="num" id="LN585">585</td><td class="line"> <span class='keyword'>return</span> status;</td></tr>
669<tr><td class="num" id="LN586">586</td><td class="line">}</td></tr>
670</table></body></html>