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nytprof run results of /variantgraph/<ID> and /relation/<ID>/relationships
[scpubgit/stemmatology.git] / stemmaweb / nytprof-runs / variantgraph-uuid / Cwd-pm-11-block.html
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8e30e889 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3<!--
4This file was generated by Devel::NYTProf version 4.06
5-->
6<head>
7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
8 <meta http-equiv="Content-Language" content="en-us" />
9 <title>Profile of Cwd.pm</title>
10<link rel="stylesheet" type="text/css" href="style.css" />
11 <script type="text/javascript" src="js/jquery-min.js"></script>
12
13 <script type="text/javascript" src="js/jquery-tablesorter-min.js"></script>
14 <link rel="stylesheet" type="text/css" href="js/style-tablesorter.css" />
15 <script type="text/javascript">
16 // when a column is first clicked on to sort it, use descending order
17 // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken)
18 $.tablesorter.defaults.sortInitialOrder = "desc";
19 // add parser through the tablesorter addParser method
20 $.tablesorter.addParser({
21 id: 'fmt_time', // name of this parser
22 is: function(s) {
23 return false; // return false so this parser is not auto detected
24 },
25 format: function(orig) { // format data for normalization
26 // console.log(orig);
27 val = orig.replace(/ns/,'');
28 if (val != orig) { return val / (1000*1000*1000); }
29 val = orig.replace(/µs/,''); /* XXX use &micro; ? */
30 if (val != orig) { return val / (1000*1000); }
31 var val = orig.replace(/ms/,'');
32 if (val != orig) { return val / (1000); }
33 var val = orig.replace(/s/,'');
34 if (val != orig) { return val; }
35 if (orig == '0') { return orig; }
36 console.log('no match for fmt_time of '.concat(orig));
37 return orig;
38 },
39 type: 'numeric' // set type, either numeric or text
40 });
41 </script>
42</head>
43
44<body >
45<div class="header" style="position: relative; overflow-x: hidden; overflow-y: hidden; z-index: 0; ">
46<div class="header_back">
47 <a href="index.html">&larr; Index</a>
48 </div>
49<div class="headerForeground" style="float: left">
50 <span class="siteTitle">NYTProf Performance Profile</span>
51 <span class="siteSubtitle">&emsp;&emsp;<span>&laquo;&emsp;<span class="mode_btn mode_btn_selected">block view</span>&emsp;&bull;&emsp;<span class="mode_btn"><a href="Cwd-pm-11-line.html">line view</a></span>&emsp;&bull;&emsp;<span class="mode_btn"><a href="Cwd-pm-11-sub.html">sub view</a></span>&emsp;&raquo;</span><br />
52 For script/nytprof.pl
53 </span>
54</div>
55<div class="headerForeground" style="float: right; text-align: right">
56 <span class="siteTitle">&nbsp;</span>
57 <span class="siteSubtitle">Run on Thu May 31 16:29:39 2012<br />Reported on Thu May 31 16:35:11 2012</span>
58</div>
59<div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div>
60<div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div>
61<div style="position: absolute; left: 0px; top: 4%; width: 100%; height: 97%; z-index: -1; background-color: rgb(16, 133, 252); "></div>
62<div style="position: absolute; left: 0px; top: 6%; width: 100%; height: 95%; z-index: -1; background-color: rgb(15, 131, 250); "></div>
63<div style="position: absolute; left: 0px; top: 8%; width: 100%; height: 93%; z-index: -1; background-color: rgb(15, 130, 249); "></div>
64<div style="position: absolute; left: 0px; top: 10%; width: 100%; height: 91%; z-index: -1; background-color: rgb(15, 129, 248); "></div>
65<div style="position: absolute; left: 0px; top: 12%; width: 100%; height: 89%; z-index: -1; background-color: rgb(14, 127, 246); "></div>
66<div style="position: absolute; left: 0px; top: 14%; width: 100%; height: 87%; z-index: -1; background-color: rgb(14, 126, 245); "></div>
67<div style="position: absolute; left: 0px; top: 16%; width: 100%; height: 85%; z-index: -1; background-color: rgb(14, 125, 244); "></div>
68<div style="position: absolute; left: 0px; top: 18%; width: 100%; height: 83%; z-index: -1; background-color: rgb(13, 123, 242); "></div>
69<div style="position: absolute; left: 0px; top: 20%; width: 100%; height: 81%; z-index: -1; background-color: rgb(13, 122, 241); "></div>
70<div style="position: absolute; left: 0px; top: 22%; width: 100%; height: 79%; z-index: -1; background-color: rgb(13, 121, 240); "></div>
71<div style="position: absolute; left: 0px; top: 24%; width: 100%; height: 77%; z-index: -1; background-color: rgb(12, 119, 238); "></div>
72<div style="position: absolute; left: 0px; top: 26%; width: 100%; height: 75%; z-index: -1; background-color: rgb(12, 118, 237); "></div>
73<div style="position: absolute; left: 0px; top: 28%; width: 100%; height: 73%; z-index: -1; background-color: rgb(12, 116, 235); "></div>
74<div style="position: absolute; left: 0px; top: 30%; width: 100%; height: 71%; z-index: -1; background-color: rgb(11, 115, 234); "></div>
75<div style="position: absolute; left: 0px; top: 32%; width: 100%; height: 69%; z-index: -1; background-color: rgb(11, 114, 233); "></div>
76<div style="position: absolute; left: 0px; top: 34%; width: 100%; height: 67%; z-index: -1; background-color: rgb(11, 112, 231); "></div>
77<div style="position: absolute; left: 0px; top: 36%; width: 100%; height: 65%; z-index: -1; background-color: rgb(10, 111, 230); "></div>
78<div style="position: absolute; left: 0px; top: 38%; width: 100%; height: 63%; z-index: -1; background-color: rgb(10, 110, 229); "></div>
79<div style="position: absolute; left: 0px; top: 40%; width: 100%; height: 61%; z-index: -1; background-color: rgb(10, 108, 227); "></div>
80<div style="position: absolute; left: 0px; top: 42%; width: 100%; height: 59%; z-index: -1; background-color: rgb(9, 107, 226); "></div>
81<div style="position: absolute; left: 0px; top: 44%; width: 100%; height: 57%; z-index: -1; background-color: rgb(9, 106, 225); "></div>
82<div style="position: absolute; left: 0px; top: 46%; width: 100%; height: 55%; z-index: -1; background-color: rgb(9, 104, 223); "></div>
83<div style="position: absolute; left: 0px; top: 48%; width: 100%; height: 53%; z-index: -1; background-color: rgb(8, 103, 222); "></div>
84<div style="position: absolute; left: 0px; top: 50%; width: 100%; height: 51%; z-index: -1; background-color: rgb(8, 102, 221); "></div>
85<div style="position: absolute; left: 0px; top: 52%; width: 100%; height: 49%; z-index: -1; background-color: rgb(8, 100, 219); "></div>
86<div style="position: absolute; left: 0px; top: 54%; width: 100%; height: 47%; z-index: -1; background-color: rgb(7, 99, 218); "></div>
87<div style="position: absolute; left: 0px; top: 56%; width: 100%; height: 45%; z-index: -1; background-color: rgb(7, 97, 216); "></div>
88<div style="position: absolute; left: 0px; top: 58%; width: 100%; height: 43%; z-index: -1; background-color: rgb(7, 96, 215); "></div>
89<div style="position: absolute; left: 0px; top: 60%; width: 100%; height: 41%; z-index: -1; background-color: rgb(6, 95, 214); "></div>
90<div style="position: absolute; left: 0px; top: 62%; width: 100%; height: 39%; z-index: -1; background-color: rgb(6, 93, 212); "></div>
91<div style="position: absolute; left: 0px; top: 64%; width: 100%; height: 37%; z-index: -1; background-color: rgb(6, 92, 211); "></div>
92<div style="position: absolute; left: 0px; top: 66%; width: 100%; height: 35%; z-index: -1; background-color: rgb(5, 91, 210); "></div>
93<div style="position: absolute; left: 0px; top: 68%; width: 100%; height: 33%; z-index: -1; background-color: rgb(5, 89, 208); "></div>
94<div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div>
95<div style="position: absolute; left: 0px; top: 72%; width: 100%; height: 29%; z-index: -1; background-color: rgb(4, 87, 206); "></div>
96<div style="position: absolute; left: 0px; top: 74%; width: 100%; height: 27%; z-index: -1; background-color: rgb(4, 85, 204); "></div>
97<div style="position: absolute; left: 0px; top: 76%; width: 100%; height: 25%; z-index: -1; background-color: rgb(4, 84, 203); "></div>
98<div style="position: absolute; left: 0px; top: 78%; width: 100%; height: 23%; z-index: -1; background-color: rgb(3, 82, 201); "></div>
99<div style="position: absolute; left: 0px; top: 80%; width: 100%; height: 21%; z-index: -1; background-color: rgb(3, 81, 200); "></div>
100<div style="position: absolute; left: 0px; top: 82%; width: 100%; height: 19%; z-index: -1; background-color: rgb(3, 80, 199); "></div>
101<div style="position: absolute; left: 0px; top: 84%; width: 100%; height: 17%; z-index: -1; background-color: rgb(2, 78, 197); "></div>
102<div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div>
103<div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div>
104<div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div>
105<div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div>
106<div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div>
107<div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div>
108<div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div>
109<div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div>
110</div>
111
112<div class="body_content"><br />
113<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///opt/local/lib/perl5/5.14.2/darwin-multi-2level/Cwd.pm">/opt/local/lib/perl5/5.14.2/darwin-multi-2level/Cwd.pm</a></td></tr>
114<tr><td class="h">Statements</td><td align="left">Executed 53 statements in 3.66ms</td></tr></table>
115
116 <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
117 <caption>Subroutines</caption>
118 <thead>
119 <tr>
120 <th>Calls</th>
121 <th><span title="Number of Places sub is called from">P</span></th>
122 <th><span title="Number of Files sub is called from">F</span></th>
123 <th>Exclusive<br />Time</th>
124 <th>Inclusive<br />Time</th>
125 <th>Subroutine</th>
126 </tr>
127 </thead>
128 <tbody>
129<tr><td class="c0">8</td><td class="c0">3</td><td class="c0">3</td><td class="c0"><span title="0.0%">255&micro;s</span></td><td class="c0"><span title="0.0%">255&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::getcwd</span>Cwd::<a href="Cwd-pm-11-block.html#Cwd__getcwd">getcwd</a>&nbsp;(xsub)</span></td></tr>
130<tr><td class="c1">2</td><td class="c1">2</td><td class="c3">1</td><td class="c0"><span title="0.0%">39&micro;s</span></td><td class="c2"><span title="0.0%">39&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::abs_path</span>Cwd::<a href="Cwd-pm-11-block.html#Cwd__abs_path">abs_path</a>&nbsp;(xsub)</span></td></tr>
131<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c2"><span title="0.0%">14&micro;s</span></td><td class="c3"><span title="0.0%">16&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::BEGIN@170</span>Cwd::<a href="Cwd-pm-11-block.html#170">BEGIN@170</a></span></td></tr>
132<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">12&micro;s</span></td><td class="c3"><span title="0.0%">12&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::CORE:fteexec</span>Cwd::<a href="Cwd-pm-11-block.html#Cwd__CORE_fteexec">CORE:fteexec</a>&nbsp;(opcode)</span></td></tr>
133<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">12&micro;s</span></td><td class="c3"><span title="0.0%">31&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::BEGIN@818</span>Cwd::<a href="Cwd-pm-11-block.html#818">BEGIN@818</a></span></td></tr>
134<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">9&micro;s</span></td><td class="c3"><span title="0.0%">9&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::BEGIN@209</span>Cwd::<a href="Cwd-pm-11-block.html#209">BEGIN@209</a></span></td></tr>
135<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">9&micro;s</span></td><td class="c3"><span title="0.0%">28&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::BEGIN@171</span>Cwd::<a href="Cwd-pm-11-block.html#171">BEGIN@171</a></span></td></tr>
136<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8&micro;s</span></td><td class="c0"><span title="0.0%">102&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::BEGIN@172</span>Cwd::<a href="Cwd-pm-11-block.html#172">BEGIN@172</a></span></td></tr>
137<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5&micro;s</span></td><td class="c3"><span title="0.0%">5&micro;s</span></td><td class="sub_name"><span style="display: none;">Cwd::::CORE:regcomp</span>Cwd::<a href="Cwd-pm-11-block.html#Cwd__CORE_regcomp">CORE:regcomp</a>&nbsp;(opcode)</span></td></tr>
138<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::__ANON__[:406]</span>Cwd::<a href="Cwd-pm-11-block.html#406">__ANON__[:406]</a></span></td></tr>
139<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_backtick_pwd</span>Cwd::<a href="Cwd-pm-11-block.html#360">_backtick_pwd</a></span></td></tr>
140<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_carp</span>Cwd::<a href="Cwd-pm-11-block.html#356">_carp</a></span></td></tr>
141<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_croak</span>Cwd::<a href="Cwd-pm-11-block.html#357">_croak</a></span></td></tr>
142<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_dos_cwd</span>Cwd::<a href="Cwd-pm-11-block.html#770">_dos_cwd</a></span></td></tr>
143<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_epoc_cwd</span>Cwd::<a href="Cwd-pm-11-block.html#805">_epoc_cwd</a></span></td></tr>
144<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_os2_cwd</span>Cwd::<a href="Cwd-pm-11-block.html#743">_os2_cwd</a></span></td></tr>
145<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_perl_abs_path</span>Cwd::<a href="Cwd-pm-11-block.html#543">_perl_abs_path</a></span></td></tr>
146<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_perl_getcwd</span>Cwd::<a href="Cwd-pm-11-block.html#417">_perl_getcwd</a></span></td></tr>
147<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_qnx_abs_path</span>Cwd::<a href="Cwd-pm-11-block.html#790">_qnx_abs_path</a></span></td></tr>
148<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_qnx_cwd</span>Cwd::<a href="Cwd-pm-11-block.html#781">_qnx_cwd</a></span></td></tr>
149<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_vms_abs_path</span>Cwd::<a href="Cwd-pm-11-block.html#686">_vms_abs_path</a></span></td></tr>
150<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_vms_cwd</span>Cwd::<a href="Cwd-pm-11-block.html#682">_vms_cwd</a></span></td></tr>
151<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_vms_efs</span>Cwd::<a href="Cwd-pm-11-block.html#232">_vms_efs</a></span></td></tr>
152<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_vms_unix_rpt</span>Cwd::<a href="Cwd-pm-11-block.html#219">_vms_unix_rpt</a></span></td></tr>
153<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_win32_cwd</span>Cwd::<a href="Cwd-pm-11-block.html#757">_win32_cwd</a></span></td></tr>
154<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::_win32_cwd_simple</span>Cwd::<a href="Cwd-pm-11-block.html#750">_win32_cwd_simple</a></span></td></tr>
155<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::chdir</span>Cwd::<a href="Cwd-pm-11-block.html#500">chdir</a></span></td></tr>
156<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::chdir_init</span>Cwd::<a href="Cwd-pm-11-block.html#476">chdir_init</a></span></td></tr>
157<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::fast_abs_path</span>Cwd::<a href="Cwd-pm-11-block.html#621">fast_abs_path</a></span></td></tr>
158<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Cwd::::fastcwd_</span>Cwd::<a href="Cwd-pm-11-block.html#428">fastcwd_</a></span></td></tr>
159</tbody></table>
160 Call graph for these subroutines as a
161 <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
162 <a href="opt-local-lib-perl5-5-14-2-darwin-multi-2level-Cwd-pm.dot">dot language file</a>.
163
164 <table border="1" cellpadding="0">
165 <thead>
166 <tr><th>Line</th>
167 <th><span title="Number of statements executed">State<br />ments</span></th>
168 <th><span title="Time spend executing statements on the line,
169 excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
170 <th><span title="Number of subroutines calls">Calls</span></th>
171 <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
172 <th class="left_indent_header">Code</th>
173 </tr>
174
175 </thead>
176 <tbody>
177 <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package Cwd;</td></tr>
178<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
179<tr><td class="h"><a name="3"></a>3</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
180<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
181<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s">Cwd - get pathname of current working directory</td></tr>
182<tr><td class="h"><a name="6"></a>6</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
183<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
184<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
185<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"> use Cwd;</td></tr>
186<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"> my $dir = getcwd;</td></tr>
187<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
188<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"> use Cwd 'abs_path';</td></tr>
189<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"> my $abs_path = abs_path($file);</td></tr>
190<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
191<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
192<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
193<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s">This module provides functions for determining the pathname of the</td></tr>
194<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s">current working directory. It is recommended that getcwd (or another</td></tr>
195<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s">*cwd() function) be used in I&lt;all&gt; code to ensure portability.</td></tr>
196<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
197<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s">By default, it exports the functions cwd(), getcwd(), fastcwd(), and</td></tr>
198<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s">fastgetcwd() (and, on Win32, getdcwd()) into the caller's namespace. </td></tr>
199<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
200<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
201<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s">=head2 getcwd and friends</td></tr>
202<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
203<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s">Each of these functions are called without arguments and return the</td></tr>
204<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s">absolute path of the current working directory.</td></tr>
205<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
206<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
207<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
208<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s">=item getcwd</td></tr>
209<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
210<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = getcwd();</td></tr>
211<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
212<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s">Returns the current working directory.</td></tr>
213<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
214<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">Exposes the POSIX function getcwd(3) or re-implements it if it's not</td></tr>
215<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s">available.</td></tr>
216<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
217<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s">=item cwd</td></tr>
218<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
219<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = cwd();</td></tr>
220<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
221<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s">The cwd() is the most natural form for the current architecture. For</td></tr>
222<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s">most systems it is identical to `pwd` (but without the trailing line</td></tr>
223<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s">terminator).</td></tr>
224<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
225<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s">=item fastcwd</td></tr>
226<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
227<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = fastcwd();</td></tr>
228<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
229<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">A more dangerous version of getcwd(), but potentially faster.</td></tr>
230<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
231<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s">It might conceivably chdir() you out of a directory that it can't</td></tr>
232<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s">chdir() you back into. If fastcwd encounters a problem it will return</td></tr>
233<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s">undef but will probably leave you in a different directory. For a</td></tr>
234<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s">measure of extra security, if everything appears to have worked, the</td></tr>
235<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s">fastcwd() function will check that it leaves you in the same directory</td></tr>
236<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s">that it started in. If it has changed it will C&lt;die&gt; with the message</td></tr>
237<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s">&quot;Unstable directory path, current directory changed</td></tr>
238<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s">unexpectedly&quot;. That should never happen.</td></tr>
239<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
240<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s">=item fastgetcwd</td></tr>
241<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
242<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = fastgetcwd();</td></tr>
243<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
244<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s">The fastgetcwd() function is provided as a synonym for cwd().</td></tr>
245<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
246<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s">=item getdcwd</td></tr>
247<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
248<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = getdcwd();</td></tr>
249<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = getdcwd('C:');</td></tr>
250<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
251<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s">The getdcwd() function is also provided on Win32 to get the current working</td></tr>
252<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s">directory on the specified drive, since Windows maintains a separate current</td></tr>
253<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s">working directory for each drive. If no drive is specified then the current</td></tr>
254<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s">drive is assumed.</td></tr>
255<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
256<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s">This function simply calls the Microsoft C library _getdcwd() function.</td></tr>
257<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
258<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
259<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
260<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
261<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s">=head2 abs_path and friends</td></tr>
262<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
263<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s">These functions are exported only on request. They each take a single</td></tr>
264<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s">argument and return the absolute pathname for it. If no argument is</td></tr>
265<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s">given they'll use the current working directory.</td></tr>
266<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
267<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
268<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
269<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s">=item abs_path</td></tr>
270<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
271<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"> my $abs_path = abs_path($file);</td></tr>
272<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
273<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s">Uses the same algorithm as getcwd(). Symbolic links and relative-path</td></tr>
274<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s">components (&quot;.&quot; and &quot;..&quot;) are resolved to return the canonical</td></tr>
275<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s">pathname, just like realpath(3).</td></tr>
276<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
277<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s">=item realpath</td></tr>
278<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
279<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"> my $abs_path = realpath($file);</td></tr>
280<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
281<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s">A synonym for abs_path().</td></tr>
282<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
283<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s">=item fast_abs_path</td></tr>
284<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
285<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"> my $abs_path = fast_abs_path($file);</td></tr>
286<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
287<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s">A more dangerous, but potentially faster version of abs_path.</td></tr>
288<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
289<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
290<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
291<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s">=head2 $ENV{PWD}</td></tr>
292<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
293<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s">If you ask to override your chdir() built-in function, </td></tr>
294<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
295<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"> use Cwd qw(chdir);</td></tr>
296<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
297<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s">then your PWD environment variable will be kept up to date. Note that</td></tr>
298<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s">it will only be kept up to date if all packages which use chdir import</td></tr>
299<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s">it from Cwd.</td></tr>
300<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
301<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
302<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s">=head1 NOTES</td></tr>
303<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
304<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
305<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
306<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s">=item *</td></tr>
307<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
308<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s">Since the path separators are different on some operating systems ('/'</td></tr>
309<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">on Unix, ':' on MacPerl, etc...) we recommend you use the File::Spec</td></tr>
310<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s">modules wherever portability is a concern.</td></tr>
311<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
312<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s">=item *</td></tr>
313<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
314<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s">Actually, on Mac OS, the C&lt;getcwd()&gt;, C&lt;fastgetcwd()&gt; and C&lt;fastcwd()&gt;</td></tr>
315<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s">functions are all aliases for the C&lt;cwd()&gt; function, which, on Mac OS,</td></tr>
316<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s">calls `pwd`. Likewise, the C&lt;abs_path()&gt; function is an alias for</td></tr>
317<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s">C&lt;fast_abs_path()&gt;.</td></tr>
318<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
319<tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
320<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
321<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
322<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
323<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s">Originally by the perl5-porters.</td></tr>
324<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
325<tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s">Maintained by Ken Williams &lt;KWILLIAMS@cpan.org&gt;</td></tr>
326<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
327<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT</td></tr>
328<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
329<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s">Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.</td></tr>
330<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
331<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s">This program is free software; you can redistribute it and/or modify</td></tr>
332<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s">it under the same terms as Perl itself.</td></tr>
333<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
334<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s">Portions of the C code in this library are copyright (c) 1994 by the</td></tr>
335<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s">Regents of the University of California. All rights reserved. The</td></tr>
336<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s">license on this code is compatible with the licensing of the rest of</td></tr>
337<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s">the distribution - please see the source code in F&lt;Cwd.xs&gt; for the</td></tr>
338<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s">details.</td></tr>
339<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
340<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s">=head1 SEE ALSO</td></tr>
341<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
342<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s">L&lt;File::chdir&gt;</td></tr>
343<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
344<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
345<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
346<tr><td class="h"><a name="170"></a>170</td><td class="c1">2</td><td class="c0"><span title="Avg 11&micro;s">21&micro;s</span></td><td class="c3">2</td><td class="c3">19&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 16&micro;s (14+3) within Cwd::BEGIN@170 which was called:
347# once (14&micro;s+3&micro;s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#170">line 170</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 16&micro;s making 1 call to <a href="Cwd-pm-11-block.html#170">Cwd::BEGIN@170</a>
348# spent 3&micro;s making 1 call to <a href="strict-pm-3-block.html#34">strict::import</a></div></div></td></tr>
349<tr><td class="h"><a name="171"></a>171</td><td class="c1">2</td><td class="c0"><span title="Avg 15&micro;s">29&micro;s</span></td><td class="c3">2</td><td class="c3">47&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 28&micro;s (9+19) within Cwd::BEGIN@171 which was called:
350# once (9&micro;s+19&micro;s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#171">line 171</a></div></div>use Exporter;<div class="calls"><div class="calls_out"># spent 28&micro;s making 1 call to <a href="Cwd-pm-11-block.html#171">Cwd::BEGIN@171</a>
351# spent 19&micro;s making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
352<tr><td class="h"><a name="172"></a>172</td><td class="c1">2</td><td class="c0"><span title="Avg 193&micro;s">386&micro;s</span></td><td class="c3">2</td><td class="c0">195&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 102&micro;s (8+93) within Cwd::BEGIN@172 which was called:
353# once (8&micro;s+93&micro;s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#172">line 172</a></div></div>use vars qw(@ISA @EXPORT @EXPORT_OK $VERSION);<div class="calls"><div class="calls_out"># spent 102&micro;s making 1 call to <a href="Cwd-pm-11-block.html#172">Cwd::BEGIN@172</a>
354# spent 93&micro;s making 1 call to <a href="vars-pm-6-block.html#10">vars::import</a></div></div></td></tr>
355<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
356<tr><td class="h"><a name="174"></a>174</td><td class="c3">1</td><td class="c3"><span title="Avg 700ns">700ns</span></td><td></td><td></td><td class="s">$VERSION = '3.36';</td></tr>
357<tr><td class="h"><a name="175"></a>175</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">my $xs_version = $VERSION;</td></tr>
358<tr><td class="h"><a name="176"></a>176</td><td class="c3">1</td><td class="c0"><span title="Avg 17&micro;s">17&micro;s</span></td><td></td><td></td><td class="s">$VERSION = eval $VERSION;<div class="calls"><div class="calls_out"># spent 3&micro;s executing statements in <a href="(eval 1)[Cwd-pm-176]-12-line.html">string eval</a></div></div></td></tr>
359<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
360<tr><td class="h"><a name="178"></a>178</td><td class="c3">1</td><td class="c0"><span title="Avg 7&micro;s">7&micro;s</span></td><td></td><td></td><td class="s">@ISA = qw/ Exporter /;</td></tr>
361<tr><td class="h"><a name="179"></a>179</td><td class="c3">1</td><td class="c2"><span title="Avg 1&micro;s">1&micro;s</span></td><td></td><td></td><td class="s">@EXPORT = qw(cwd getcwd fastcwd fastgetcwd);</td></tr>
362<tr><td class="h"><a name="180"></a>180</td><td class="c3">1</td><td class="c3"><span title="Avg 900ns">900ns</span></td><td></td><td></td><td class="s">push @EXPORT, qw(getdcwd) if $^O eq 'MSWin32';</td></tr>
363<tr><td class="h"><a name="181"></a>181</td><td class="c3">1</td><td class="c3"><span title="Avg 1&micro;s">1&micro;s</span></td><td></td><td></td><td class="s">@EXPORT_OK = qw(chdir abs_path fast_abs_path realpath fast_realpath);</td></tr>
364<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
365<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"># sys_cwd may keep the builtin command</td></tr>
366<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
367<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s"># All the functionality of this module may provided by builtins,</td></tr>
368<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"># there is no sense to process the rest of the file.</td></tr>
369<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"># The best choice may be to have this in BEGIN, but how to return from BEGIN?</td></tr>
370<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
371<tr><td class="h"><a name="189"></a>189</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">if ($^O eq 'os2') {</td></tr>
372<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"> local $^W = 0;</td></tr>
373<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
374<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"> *cwd = defined &amp;sys_cwd ? \&amp;sys_cwd : \&amp;_os2_cwd;</td></tr>
375<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"> *getcwd = \&amp;cwd;</td></tr>
376<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"> *fastgetcwd = \&amp;cwd;</td></tr>
377<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"> *fastcwd = \&amp;cwd;</td></tr>
378<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
379<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"> *fast_abs_path = \&amp;sys_abspath if defined &amp;sys_abspath;</td></tr>
380<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"> *abs_path = \&amp;fast_abs_path;</td></tr>
381<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> *realpath = \&amp;fast_abs_path;</td></tr>
382<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"> *fast_realpath = \&amp;fast_abs_path;</td></tr>
383<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
384<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"> return 1;</td></tr>
385<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
386<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
387<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"># Need to look up the feature settings on VMS. The preferred way is to use the</td></tr>
388<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"># VMS::Feature module, but that may not be available to dual life modules.</td></tr>
389<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
390<tr><td class="h"><a name="208"></a>208</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $use_vms_feature;</td></tr>
391<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 9&micro;s within Cwd::BEGIN@209 which was called:
392# once (9&micro;s+0s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#215">line 215</a></div></div>BEGIN {</td></tr>
393<tr><td class="h"><a name="210"></a>210</td><td class="c3">1</td><td class="c0"><span title="Avg 9&micro;s">9&micro;s</span></td><td></td><td></td><td class="s"> if ($^O eq 'VMS') {</td></tr>
394<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"> if (eval { local $SIG{__DIE__}; require VMS::Feature; }) {</td></tr>
395<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s"> $use_vms_feature = 1;</td></tr>
396<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
397<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
398<tr><td class="h"><a name="215"></a>215</td><td class="c3">1</td><td class="c0"><span title="Avg 2.65ms">2.65ms</span></td><td class="c3">1</td><td class="c3">9&micro;s</td><td class="s">}<div class="calls"><div class="calls_out"># spent 9&micro;s making 1 call to <a href="Cwd-pm-11-block.html#209">Cwd::BEGIN@209</a></div></div></td></tr>
399<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
400<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"># Need to look up the UNIX report mode. This may become a dynamic mode</td></tr>
401<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s"># in the future.</td></tr>
402<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s">sub _vms_unix_rpt {</td></tr>
403<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s"> my $unix_rpt;</td></tr>
404<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s"> if ($use_vms_feature) {</td></tr>
405<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s"> $unix_rpt = VMS::Feature::current(&quot;filename_unix_report&quot;);</td></tr>
406<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
407<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"> my $env_unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';</td></tr>
408<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"> $unix_rpt = $env_unix_rpt =~ /^[ET1]/i; </td></tr>
409<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
410<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s"> return $unix_rpt;</td></tr>
411<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
412<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
413<tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s"># Need to look up the EFS character set mode. This may become a dynamic</td></tr>
414<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s"># mode in the future.</td></tr>
415<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s">sub _vms_efs {</td></tr>
416<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s"> my $efs;</td></tr>
417<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"> if ($use_vms_feature) {</td></tr>
418<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"> $efs = VMS::Feature::current(&quot;efs_charset&quot;);</td></tr>
419<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
420<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s"> my $env_efs = $ENV{'DECC$EFS_CHARSET'} || '';</td></tr>
421<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"> $efs = $env_efs =~ /^[ET1]/i; </td></tr>
422<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
423<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s"> return $efs;</td></tr>
424<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
425<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
426<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
427<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s"># If loading the XS stuff doesn't work, we can fall back to pure perl</td></tr>
428<tr><td class="h"><a name="245"></a>245</td><td class="c1">2</td><td class="c0"><span title="Avg 2&micro;s">5&micro;s</span></td><td></td><td></td><td class="s">eval {</td></tr>
429<tr><td class="h"><a name="246"></a>246</td><td class="c1">2</td><td class="c0"><span title="Avg 111&micro;s">221&micro;s</span></td><td></td><td></td><td class="s"> if ( $] &gt;= 5.006 ) {</td></tr>
430<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s"> require XSLoader;</td></tr>
431<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td class="c3">1</td><td class="c0">215&micro;s</td><td class="s"> XSLoader::load( __PACKAGE__, $xs_version);<div class="calls"><div class="calls_out"> # spent 215&micro;s making 1 call to <a href="XSLoader-pm-681-block.html#20">XSLoader::load</a></div></div></td></tr>
432<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
433<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s"> require DynaLoader;</td></tr>
434<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s"> push @ISA, 'DynaLoader';</td></tr>
435<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"> __PACKAGE__-&gt;bootstrap( $xs_version );</td></tr>
436<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
437<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s">};</td></tr>
438<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
439<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s"># Must be after the DynaLoader stuff:</td></tr>
440<tr><td class="h"><a name="257"></a>257</td><td class="c3">1</td><td class="c0"><span title="Avg 19&micro;s">19&micro;s</span></td><td></td><td></td><td class="s">$VERSION = eval $VERSION;<div class="calls"><div class="calls_out"># spent 2&micro;s executing statements in <a href="(eval 2)[Cwd-pm-257]-13-line.html">string eval</a></div></div></td></tr>
441<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
442<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s"># Big nasty table of function aliases</td></tr>
443<tr><td class="h"><a name="260"></a>260</td><td class="c3">1</td><td class="c0"><span title="Avg 15&micro;s">15&micro;s</span></td><td></td><td></td><td class="s">my %METHOD_MAP =</td></tr>
444<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s"> (</td></tr>
445<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"> VMS =&gt;</td></tr>
446<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
447<tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s"> cwd =&gt; '_vms_cwd',</td></tr>
448<tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; '_vms_cwd',</td></tr>
449<tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; '_vms_cwd',</td></tr>
450<tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; '_vms_cwd',</td></tr>
451<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; '_vms_abs_path',</td></tr>
452<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s"> fast_abs_path =&gt; '_vms_abs_path',</td></tr>
453<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
454<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
455<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s"> MSWin32 =&gt;</td></tr>
456<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
457<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"> # We assume that &amp;_NT_cwd is defined as an XSUB or in the core.</td></tr>
458<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s"> cwd =&gt; '_NT_cwd',</td></tr>
459<tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; '_NT_cwd',</td></tr>
460<tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; '_NT_cwd',</td></tr>
461<tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; '_NT_cwd',</td></tr>
462<tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; 'fast_abs_path',</td></tr>
463<tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s"> realpath =&gt; 'fast_abs_path',</td></tr>
464<tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
465<tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
466<tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s"> dos =&gt; </td></tr>
467<tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
468<tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"> cwd =&gt; '_dos_cwd',</td></tr>
469<tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; '_dos_cwd',</td></tr>
470<tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; '_dos_cwd',</td></tr>
471<tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; '_dos_cwd',</td></tr>
472<tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; 'fast_abs_path',</td></tr>
473<tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
474<tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
475<tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s"> # QNX4. QNX6 has a $os of 'nto'.</td></tr>
476<tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s"> qnx =&gt;</td></tr>
477<tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
478<tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s"> cwd =&gt; '_qnx_cwd',</td></tr>
479<tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; '_qnx_cwd',</td></tr>
480<tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; '_qnx_cwd',</td></tr>
481<tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; '_qnx_cwd',</td></tr>
482<tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; '_qnx_abs_path',</td></tr>
483<tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"> fast_abs_path =&gt; '_qnx_abs_path',</td></tr>
484<tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
485<tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
486<tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"> cygwin =&gt;</td></tr>
487<tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
488<tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; 'cwd',</td></tr>
489<tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; 'cwd',</td></tr>
490<tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; 'cwd',</td></tr>
491<tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; 'fast_abs_path',</td></tr>
492<tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s"> realpath =&gt; 'fast_abs_path',</td></tr>
493<tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
494<tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
495<tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s"> epoc =&gt;</td></tr>
496<tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
497<tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s"> cwd =&gt; '_epoc_cwd',</td></tr>
498<tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; '_epoc_cwd',</td></tr>
499<tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; '_epoc_cwd',</td></tr>
500<tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; '_epoc_cwd',</td></tr>
501<tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; 'fast_abs_path',</td></tr>
502<tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
503<tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
504<tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"> MacOS =&gt;</td></tr>
505<tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
506<tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s"> getcwd =&gt; 'cwd',</td></tr>
507<tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"> fastgetcwd =&gt; 'cwd',</td></tr>
508<tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s"> fastcwd =&gt; 'cwd',</td></tr>
509<tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"> abs_path =&gt; 'fast_abs_path',</td></tr>
510<tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s"> },</td></tr>
511<tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
512<tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
513<tr><td class="h"><a name="330"></a>330</td><td class="c3">1</td><td class="c3"><span title="Avg 600ns">600ns</span></td><td></td><td></td><td class="s">$METHOD_MAP{NT} = $METHOD_MAP{MSWin32};</td></tr>
514<tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
515<tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
516<tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s"># Find the pwd command in the expected locations. We assume these</td></tr>
517<tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s"># are safe. This prevents _backtick_pwd() consulting $ENV{PATH}</td></tr>
518<tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s"># so everything works under taint mode.</td></tr>
519<tr><td class="h"><a name="336"></a>336</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $pwd_cmd;</td></tr>
520<tr><td class="h"><a name="337"></a>337</td><td class="c3">1</td><td class="c3"><span title="Avg 600ns">600ns</span></td><td></td><td></td><td class="s">foreach my $try ('/bin/pwd',</td></tr>
521<tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"> '/usr/bin/pwd',</td></tr>
522<tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s"> '/QOpenSys/bin/pwd', # OS/400 PASE.</td></tr>
523<tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s"> ) {</td></tr>
524<tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
525<tr><td class="h"><a name="342"></a>342</td><td class="c0">3</td><td class="c0"><span title="Avg 8&micro;s">25&micro;s</span></td><td class="c3">1</td><td class="c3">12&micro;s</td><td class="s"> if( -x $try ) {<div class="calls"><div class="calls_out"> # spent 12&micro;s making 1 call to <a href="Cwd-pm-11-block.html#Cwd__CORE_fteexec">Cwd::CORE:fteexec</a></div></div></td></tr>
526<tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s"> $pwd_cmd = $try;</td></tr>
527<tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s"> last;</td></tr>
528<tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
529<tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
530<tr><td class="h"><a name="347"></a>347</td><td class="c3">1</td><td class="c3"><span title="Avg 600ns">600ns</span></td><td></td><td></td><td class="s">my $found_pwd_cmd = defined($pwd_cmd);</td></tr>
531<tr><td class="h"><a name="348"></a>348</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">unless ($pwd_cmd) {</td></tr>
532<tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s"> # Isn't this wrong? _backtick_pwd() will fail if somenone has</td></tr>
533<tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s"> # pwd in their path but it is not /bin/pwd or /usr/bin/pwd?</td></tr>
534<tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s"> # See [perl #16774]. --jhi</td></tr>
535<tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s"> $pwd_cmd = 'pwd';</td></tr>
536<tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
537<tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
538<tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s"># Lazy-load Carp</td></tr>
539<tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s">sub _carp { require Carp; Carp::carp(@_) }</td></tr>
540<tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s">sub _croak { require Carp; Carp::croak(@_) }</td></tr>
541<tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
542<tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s"># The 'natural and safe form' for UNIX (pwd may be setuid root)</td></tr>
543<tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s">sub _backtick_pwd {</td></tr>
544<tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"> # Localize %ENV entries in a way that won't create new hash keys</td></tr>
545<tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s"> my @localize = grep exists $ENV{$_}, qw(PATH IFS CDPATH ENV BASH_ENV);</td></tr>
546<tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s"> local @ENV{@localize};</td></tr>
547<tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
548<tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = `$pwd_cmd`;</td></tr>
549<tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"> # Belt-and-suspenders in case someone said &quot;undef $/&quot;.</td></tr>
550<tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s"> local $/ = &quot;\n&quot;;</td></tr>
551<tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"> # `pwd` may fail e.g. if the disk is full</td></tr>
552<tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s"> chomp($cwd) if defined $cwd;</td></tr>
553<tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s"> $cwd;</td></tr>
554<tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
555<tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
556<tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"># Since some ports may predefine cwd internally (e.g., NT)</td></tr>
557<tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s"># we take care not to override an existing definition for cwd().</td></tr>
558<tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
559<tr><td class="h"><a name="376"></a>376</td><td class="c0">5</td><td class="c0"><span title="Avg 1&micro;s">6&micro;s</span></td><td></td><td></td><td class="s">unless ($METHOD_MAP{$^O}{cwd} or defined &amp;cwd) {</td></tr>
560<tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"> # The pwd command is not available in some chroot(2)'ed environments</td></tr>
561<tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s"> my $sep = $Config::Config{path_sep} || ':';</td></tr>
562<tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"> my $os = $^O; # Protect $^O from tainting</td></tr>
563<tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
564<tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
565<tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s"> # Try again to find a pwd, this time searching the whole PATH.</td></tr>
566<tr><td class="h"><a name="383"></a>383</td><td class="c1">2</td><td class="c0"><span title="Avg 8&micro;s">15&micro;s</span></td><td></td><td></td><td class="s"> if (defined $ENV{PATH} and $os ne 'MSWin32') { # no pwd on Windows</td></tr>
567<tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td class="c3">1</td><td class="c3">5&micro;s</td><td class="s"> my @candidates = split($sep, $ENV{PATH});<div class="calls"><div class="calls_out"> # spent 5&micro;s making 1 call to <a href="Cwd-pm-11-block.html#Cwd__CORE_regcomp">Cwd::CORE:regcomp</a></div></div></td></tr>
568<tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s"> while (!$found_pwd_cmd and @candidates) {</td></tr>
569<tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"> my $candidate = shift @candidates;</td></tr>
570<tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s"> $found_pwd_cmd = 1 if -x &quot;$candidate/pwd&quot;;</td></tr>
571<tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
572<tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
573<tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
574<tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"> # MacOS has some special magic to make `pwd` work.</td></tr>
575<tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s"> if( $os eq 'MacOS' || $found_pwd_cmd )</td></tr>
576<tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
577<tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s"> *cwd = \&amp;_backtick_pwd;</td></tr>
578<tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
579<tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
580<tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"> *cwd = \&amp;getcwd;</td></tr>
581<tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
582<tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
583<tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
584<tr><td class="h"><a name="401"></a>401</td><td class="c3">1</td><td class="c3"><span title="Avg 500ns">500ns</span></td><td></td><td></td><td class="s">if ($^O eq 'cygwin') {</td></tr>
585<tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s"> # We need to make sure cwd() is called with no args, because it's</td></tr>
586<tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"> # got an arg-less prototype and will die if args are present.</td></tr>
587<tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s"> local $^W = 0;</td></tr>
588<tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"> my $orig_cwd = \&amp;cwd;</td></tr>
589<tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s"> *cwd = sub { &amp;$orig_cwd() }</td></tr>
590<tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
591<tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
592<tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
593<tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s"># set a reasonable (and very safe) default for fastgetcwd, in case it</td></tr>
594<tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s"># isn't redefined later (20001212 rspier)</td></tr>
595<tr><td class="h"><a name="412"></a>412</td><td class="c3">1</td><td class="c3"><span title="Avg 500ns">500ns</span></td><td></td><td></td><td class="s">*fastgetcwd = \&amp;cwd;</td></tr>
596<tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
597<tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s"># A non-XS version of getcwd() - also used to bootstrap the perl build</td></tr>
598<tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s"># process, when miniperl is running and no XS loading happens.</td></tr>
599<tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s">sub _perl_getcwd</td></tr>
600<tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
601<tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"> abs_path('.');</td></tr>
602<tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
603<tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
604<tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s"># By John Bazik</td></tr>
605<tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr>
606<tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s"># Usage: $cwd = &amp;fastcwd;</td></tr>
607<tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s">#</td></tr>
608<tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"># This is a faster version of getcwd. It's also more dangerous because</td></tr>
609<tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s"># you might chdir out of a directory that you can't chdir back into.</td></tr>
610<tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
611<tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s">sub fastcwd_ {</td></tr>
612<tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"> my($odev, $oino, $cdev, $cino, $tdev, $tino);</td></tr>
613<tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s"> my(@path, $path);</td></tr>
614<tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"> local(*DIR);</td></tr>
615<tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
616<tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s"> my($orig_cdev, $orig_cino) = stat('.');</td></tr>
617<tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s"> ($cdev, $cino) = ($orig_cdev, $orig_cino);</td></tr>
618<tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s"> for (;;) {</td></tr>
619<tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s"> my $direntry;</td></tr>
620<tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s"> ($odev, $oino) = ($cdev, $cino);</td></tr>
621<tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s"> CORE::chdir('..') || return undef;</td></tr>
622<tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s"> ($cdev, $cino) = stat('.');</td></tr>
623<tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s"> last if $odev == $cdev &amp;&amp; $oino == $cino;</td></tr>
624<tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s"> opendir(DIR, '.') || return undef;</td></tr>
625<tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s"> for (;;) {</td></tr>
626<tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"> $direntry = readdir(DIR);</td></tr>
627<tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s"> last unless defined $direntry;</td></tr>
628<tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s"> next if $direntry eq '.';</td></tr>
629<tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s"> next if $direntry eq '..';</td></tr>
630<tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
631<tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"> ($tdev, $tino) = lstat($direntry);</td></tr>
632<tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s"> last unless $tdev != $odev || $tino != $oino;</td></tr>
633<tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
634<tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s"> closedir(DIR);</td></tr>
635<tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s"> return undef unless defined $direntry; # should never happen</td></tr>
636<tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s"> unshift(@path, $direntry);</td></tr>
637<tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
638<tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s"> $path = '/' . join('/', @path);</td></tr>
639<tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s"> if ($^O eq 'apollo') { $path = &quot;/&quot;.$path; }</td></tr>
640<tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s"> # At this point $path may be tainted (if tainting) and chdir would fail.</td></tr>
641<tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s"> # Untaint it then check that we landed where we started.</td></tr>
642<tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s"> $path =~ /^(.*)\z/s # untaint</td></tr>
643<tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s"> &amp;&amp; CORE::chdir($1) or return undef;</td></tr>
644<tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s"> ($cdev, $cino) = stat('.');</td></tr>
645<tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s"> die &quot;Unstable directory path, current directory changed unexpectedly&quot;</td></tr>
646<tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s"> if $cdev != $orig_cdev || $cino != $orig_cino;</td></tr>
647<tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s"> $path;</td></tr>
648<tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
649<tr><td class="h"><a name="466"></a>466</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">if (not defined &amp;fastcwd) { *fastcwd = \&amp;fastcwd_ }</td></tr>
650<tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
651<tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
652<tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s"># Keeps track of current working directory in PWD environment var</td></tr>
653<tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s"># Usage:</td></tr>
654<tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s"># use Cwd 'chdir';</td></tr>
655<tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s"># chdir $newdir;</td></tr>
656<tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
657<tr><td class="h"><a name="474"></a>474</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $chdir_init = 0;</td></tr>
658<tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
659<tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s">sub chdir_init {</td></tr>
660<tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s"> if ($ENV{'PWD'} and $^O ne 'os2' and $^O ne 'dos' and $^O ne 'MSWin32') {</td></tr>
661<tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s"> my($dd,$di) = stat('.');</td></tr>
662<tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"> my($pd,$pi) = stat($ENV{'PWD'});</td></tr>
663<tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s"> if (!defined $dd or !defined $pd or $di != $pi or $dd != $pd) {</td></tr>
664<tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = cwd();</td></tr>
665<tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
666<tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
667<tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
668<tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s"> my $wd = cwd();</td></tr>
669<tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s"> $wd = Win32::GetFullPathName($wd) if $^O eq 'MSWin32';</td></tr>
670<tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = $wd;</td></tr>
671<tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
672<tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s"> # Strip an automounter prefix (where /tmp_mnt/foo/bar == /foo/bar)</td></tr>
673<tr><td class="h"><a name="490"></a>490</td><td></td><td></td><td></td><td></td><td class="s"> if ($^O ne 'MSWin32' and $ENV{'PWD'} =~ m|(/[^/]+(/[^/]+/[^/]+))(.*)|s) {</td></tr>
674<tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s"> my($pd,$pi) = stat($2);</td></tr>
675<tr><td class="h"><a name="492"></a>492</td><td></td><td></td><td></td><td></td><td class="s"> my($dd,$di) = stat($1);</td></tr>
676<tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s"> if (defined $pd and defined $dd and $di == $pi and $dd == $pd) {</td></tr>
677<tr><td class="h"><a name="494"></a>494</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'}=&quot;$2$3&quot;;</td></tr>
678<tr><td class="h"><a name="495"></a>495</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
679<tr><td class="h"><a name="496"></a>496</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
680<tr><td class="h"><a name="497"></a>497</td><td></td><td></td><td></td><td></td><td class="s"> $chdir_init = 1;</td></tr>
681<tr><td class="h"><a name="498"></a>498</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
682<tr><td class="h"><a name="499"></a>499</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
683<tr><td class="h"><a name="500"></a>500</td><td></td><td></td><td></td><td></td><td class="s">sub chdir {</td></tr>
684<tr><td class="h"><a name="501"></a>501</td><td></td><td></td><td></td><td></td><td class="s"> my $newdir = @_ ? shift : ''; # allow for no arg (chdir to HOME dir)</td></tr>
685<tr><td class="h"><a name="502"></a>502</td><td></td><td></td><td></td><td></td><td class="s"> $newdir =~ s|///*|/|g unless $^O eq 'MSWin32';</td></tr>
686<tr><td class="h"><a name="503"></a>503</td><td></td><td></td><td></td><td></td><td class="s"> chdir_init() unless $chdir_init;</td></tr>
687<tr><td class="h"><a name="504"></a>504</td><td></td><td></td><td></td><td></td><td class="s"> my $newpwd;</td></tr>
688<tr><td class="h"><a name="505"></a>505</td><td></td><td></td><td></td><td></td><td class="s"> if ($^O eq 'MSWin32') {</td></tr>
689<tr><td class="h"><a name="506"></a>506</td><td></td><td></td><td></td><td></td><td class="s"> # get the full path name *before* the chdir()</td></tr>
690<tr><td class="h"><a name="507"></a>507</td><td></td><td></td><td></td><td></td><td class="s"> $newpwd = Win32::GetFullPathName($newdir);</td></tr>
691<tr><td class="h"><a name="508"></a>508</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
692<tr><td class="h"><a name="509"></a>509</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
693<tr><td class="h"><a name="510"></a>510</td><td></td><td></td><td></td><td></td><td class="s"> return 0 unless CORE::chdir $newdir;</td></tr>
694<tr><td class="h"><a name="511"></a>511</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
695<tr><td class="h"><a name="512"></a>512</td><td></td><td></td><td></td><td></td><td class="s"> if ($^O eq 'VMS') {</td></tr>
696<tr><td class="h"><a name="513"></a>513</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'} = $ENV{'DEFAULT'}</td></tr>
697<tr><td class="h"><a name="514"></a>514</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
698<tr><td class="h"><a name="515"></a>515</td><td></td><td></td><td></td><td></td><td class="s"> elsif ($^O eq 'MacOS') {</td></tr>
699<tr><td class="h"><a name="516"></a>516</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'} = cwd();</td></tr>
700<tr><td class="h"><a name="517"></a>517</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
701<tr><td class="h"><a name="518"></a>518</td><td></td><td></td><td></td><td></td><td class="s"> elsif ($^O eq 'MSWin32') {</td></tr>
702<tr><td class="h"><a name="519"></a>519</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = $newpwd;</td></tr>
703<tr><td class="h"><a name="520"></a>520</td><td></td><td></td><td></td><td></td><td class="s"> return 1;</td></tr>
704<tr><td class="h"><a name="521"></a>521</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
705<tr><td class="h"><a name="522"></a>522</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
706<tr><td class="h"><a name="523"></a>523</td><td></td><td></td><td></td><td></td><td class="s"> if (ref $newdir eq 'GLOB') { # in case a file/dir handle is passed in</td></tr>
707<tr><td class="h"><a name="524"></a>524</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = cwd();</td></tr>
708<tr><td class="h"><a name="525"></a>525</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ($newdir =~ m#^/#s) {</td></tr>
709<tr><td class="h"><a name="526"></a>526</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = $newdir;</td></tr>
710<tr><td class="h"><a name="527"></a>527</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
711<tr><td class="h"><a name="528"></a>528</td><td></td><td></td><td></td><td></td><td class="s"> my @curdir = split(m#/#,$ENV{'PWD'});</td></tr>
712<tr><td class="h"><a name="529"></a>529</td><td></td><td></td><td></td><td></td><td class="s"> @curdir = ('') unless @curdir;</td></tr>
713<tr><td class="h"><a name="530"></a>530</td><td></td><td></td><td></td><td></td><td class="s"> my $component;</td></tr>
714<tr><td class="h"><a name="531"></a>531</td><td></td><td></td><td></td><td></td><td class="s"> foreach $component (split(m#/#, $newdir)) {</td></tr>
715<tr><td class="h"><a name="532"></a>532</td><td></td><td></td><td></td><td></td><td class="s"> next if $component eq '.';</td></tr>
716<tr><td class="h"><a name="533"></a>533</td><td></td><td></td><td></td><td></td><td class="s"> pop(@curdir),next if $component eq '..';</td></tr>
717<tr><td class="h"><a name="534"></a>534</td><td></td><td></td><td></td><td></td><td class="s"> push(@curdir,$component);</td></tr>
718<tr><td class="h"><a name="535"></a>535</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
719<tr><td class="h"><a name="536"></a>536</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = join('/',@curdir) || '/';</td></tr>
720<tr><td class="h"><a name="537"></a>537</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
721<tr><td class="h"><a name="538"></a>538</td><td></td><td></td><td></td><td></td><td class="s"> 1;</td></tr>
722<tr><td class="h"><a name="539"></a>539</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
723<tr><td class="h"><a name="540"></a>540</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
724<tr><td class="h"><a name="541"></a>541</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
725<tr><td class="h"><a name="542"></a>542</td><td></td><td></td><td></td><td></td><td class="s">sub _perl_abs_path</td></tr>
726<tr><td class="h"><a name="543"></a>543</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
727<tr><td class="h"><a name="544"></a>544</td><td></td><td></td><td></td><td></td><td class="s"> my $start = @_ ? shift : '.';</td></tr>
728<tr><td class="h"><a name="545"></a>545</td><td></td><td></td><td></td><td></td><td class="s"> my($dotdots, $cwd, @pst, @cst, $dir, @tst);</td></tr>
729<tr><td class="h"><a name="546"></a>546</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
730<tr><td class="h"><a name="547"></a>547</td><td></td><td></td><td></td><td></td><td class="s"> unless (@cst = stat( $start ))</td></tr>
731<tr><td class="h"><a name="548"></a>548</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
732<tr><td class="h"><a name="549"></a>549</td><td></td><td></td><td></td><td></td><td class="s"> _carp(&quot;stat($start): $!&quot;);</td></tr>
733<tr><td class="h"><a name="550"></a>550</td><td></td><td></td><td></td><td></td><td class="s"> return '';</td></tr>
734<tr><td class="h"><a name="551"></a>551</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
735<tr><td class="h"><a name="552"></a>552</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
736<tr><td class="h"><a name="553"></a>553</td><td></td><td></td><td></td><td></td><td class="s"> unless (-d _) {</td></tr>
737<tr><td class="h"><a name="554"></a>554</td><td></td><td></td><td></td><td></td><td class="s"> # Make sure we can be invoked on plain files, not just directories.</td></tr>
738<tr><td class="h"><a name="555"></a>555</td><td></td><td></td><td></td><td></td><td class="s"> # NOTE that this routine assumes that '/' is the only directory separator.</td></tr>
739<tr><td class="h"><a name="556"></a>556</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
740<tr><td class="h"><a name="557"></a>557</td><td></td><td></td><td></td><td></td><td class="s"> my ($dir, $file) = $start =~ m{^(.*)/(.+)$}</td></tr>
741<tr><td class="h"><a name="558"></a>558</td><td></td><td></td><td></td><td></td><td class="s"> or return cwd() . '/' . $start;</td></tr>
742<tr><td class="h"><a name="559"></a>559</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
743<tr><td class="h"><a name="560"></a>560</td><td></td><td></td><td></td><td></td><td class="s"> # Can't use &quot;-l _&quot; here, because the previous stat was a stat(), not an lstat().</td></tr>
744<tr><td class="h"><a name="561"></a>561</td><td></td><td></td><td></td><td></td><td class="s"> if (-l $start) {</td></tr>
745<tr><td class="h"><a name="562"></a>562</td><td></td><td></td><td></td><td></td><td class="s"> my $link_target = readlink($start);</td></tr>
746<tr><td class="h"><a name="563"></a>563</td><td></td><td></td><td></td><td></td><td class="s"> die &quot;Can't resolve link $start: $!&quot; unless defined $link_target;</td></tr>
747<tr><td class="h"><a name="564"></a>564</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
748<tr><td class="h"><a name="565"></a>565</td><td></td><td></td><td></td><td></td><td class="s"> require File::Spec;</td></tr>
749<tr><td class="h"><a name="566"></a>566</td><td></td><td></td><td></td><td></td><td class="s"> $link_target = $dir . '/' . $link_target</td></tr>
750<tr><td class="h"><a name="567"></a>567</td><td></td><td></td><td></td><td></td><td class="s"> unless File::Spec-&gt;file_name_is_absolute($link_target);</td></tr>
751<tr><td class="h"><a name="568"></a>568</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
752<tr><td class="h"><a name="569"></a>569</td><td></td><td></td><td></td><td></td><td class="s"> return abs_path($link_target);</td></tr>
753<tr><td class="h"><a name="570"></a>570</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
754<tr><td class="h"><a name="571"></a>571</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
755<tr><td class="h"><a name="572"></a>572</td><td></td><td></td><td></td><td></td><td class="s"> return $dir ? abs_path($dir) . &quot;/$file&quot; : &quot;/$file&quot;;</td></tr>
756<tr><td class="h"><a name="573"></a>573</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
757<tr><td class="h"><a name="574"></a>574</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
758<tr><td class="h"><a name="575"></a>575</td><td></td><td></td><td></td><td></td><td class="s"> $cwd = '';</td></tr>
759<tr><td class="h"><a name="576"></a>576</td><td></td><td></td><td></td><td></td><td class="s"> $dotdots = $start;</td></tr>
760<tr><td class="h"><a name="577"></a>577</td><td></td><td></td><td></td><td></td><td class="s"> do</td></tr>
761<tr><td class="h"><a name="578"></a>578</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
762<tr><td class="h"><a name="579"></a>579</td><td></td><td></td><td></td><td></td><td class="s"> $dotdots .= '/..';</td></tr>
763<tr><td class="h"><a name="580"></a>580</td><td></td><td></td><td></td><td></td><td class="s"> @pst = @cst;</td></tr>
764<tr><td class="h"><a name="581"></a>581</td><td></td><td></td><td></td><td></td><td class="s"> local *PARENT;</td></tr>
765<tr><td class="h"><a name="582"></a>582</td><td></td><td></td><td></td><td></td><td class="s"> unless (opendir(PARENT, $dotdots))</td></tr>
766<tr><td class="h"><a name="583"></a>583</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
767<tr><td class="h"><a name="584"></a>584</td><td></td><td></td><td></td><td></td><td class="s"> # probably a permissions issue. Try the native command.</td></tr>
768<tr><td class="h"><a name="585"></a>585</td><td></td><td></td><td></td><td></td><td class="s"> return File::Spec-&gt;rel2abs( $start, _backtick_pwd() );</td></tr>
769<tr><td class="h"><a name="586"></a>586</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
770<tr><td class="h"><a name="587"></a>587</td><td></td><td></td><td></td><td></td><td class="s"> unless (@cst = stat($dotdots))</td></tr>
771<tr><td class="h"><a name="588"></a>588</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
772<tr><td class="h"><a name="589"></a>589</td><td></td><td></td><td></td><td></td><td class="s"> _carp(&quot;stat($dotdots): $!&quot;);</td></tr>
773<tr><td class="h"><a name="590"></a>590</td><td></td><td></td><td></td><td></td><td class="s"> closedir(PARENT);</td></tr>
774<tr><td class="h"><a name="591"></a>591</td><td></td><td></td><td></td><td></td><td class="s"> return '';</td></tr>
775<tr><td class="h"><a name="592"></a>592</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
776<tr><td class="h"><a name="593"></a>593</td><td></td><td></td><td></td><td></td><td class="s"> if ($pst[0] == $cst[0] &amp;&amp; $pst[1] == $cst[1])</td></tr>
777<tr><td class="h"><a name="594"></a>594</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
778<tr><td class="h"><a name="595"></a>595</td><td></td><td></td><td></td><td></td><td class="s"> $dir = undef;</td></tr>
779<tr><td class="h"><a name="596"></a>596</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
780<tr><td class="h"><a name="597"></a>597</td><td></td><td></td><td></td><td></td><td class="s"> else</td></tr>
781<tr><td class="h"><a name="598"></a>598</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
782<tr><td class="h"><a name="599"></a>599</td><td></td><td></td><td></td><td></td><td class="s"> do</td></tr>
783<tr><td class="h"><a name="600"></a>600</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
784<tr><td class="h"><a name="601"></a>601</td><td></td><td></td><td></td><td></td><td class="s"> unless (defined ($dir = readdir(PARENT)))</td></tr>
785<tr><td class="h"><a name="602"></a>602</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
786<tr><td class="h"><a name="603"></a>603</td><td></td><td></td><td></td><td></td><td class="s"> _carp(&quot;readdir($dotdots): $!&quot;);</td></tr>
787<tr><td class="h"><a name="604"></a>604</td><td></td><td></td><td></td><td></td><td class="s"> closedir(PARENT);</td></tr>
788<tr><td class="h"><a name="605"></a>605</td><td></td><td></td><td></td><td></td><td class="s"> return '';</td></tr>
789<tr><td class="h"><a name="606"></a>606</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
790<tr><td class="h"><a name="607"></a>607</td><td></td><td></td><td></td><td></td><td class="s"> $tst[0] = $pst[0]+1 unless (@tst = lstat(&quot;$dotdots/$dir&quot;))</td></tr>
791<tr><td class="h"><a name="608"></a>608</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
792<tr><td class="h"><a name="609"></a>609</td><td></td><td></td><td></td><td></td><td class="s"> while ($dir eq '.' || $dir eq '..' || $tst[0] != $pst[0] ||</td></tr>
793<tr><td class="h"><a name="610"></a>610</td><td></td><td></td><td></td><td></td><td class="s"> $tst[1] != $pst[1]);</td></tr>
794<tr><td class="h"><a name="611"></a>611</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
795<tr><td class="h"><a name="612"></a>612</td><td></td><td></td><td></td><td></td><td class="s"> $cwd = (defined $dir ? &quot;$dir&quot; : &quot;&quot; ) . &quot;/$cwd&quot; ;</td></tr>
796<tr><td class="h"><a name="613"></a>613</td><td></td><td></td><td></td><td></td><td class="s"> closedir(PARENT);</td></tr>
797<tr><td class="h"><a name="614"></a>614</td><td></td><td></td><td></td><td></td><td class="s"> } while (defined $dir);</td></tr>
798<tr><td class="h"><a name="615"></a>615</td><td></td><td></td><td></td><td></td><td class="s"> chop($cwd) unless $cwd eq '/'; # drop the trailing /</td></tr>
799<tr><td class="h"><a name="616"></a>616</td><td></td><td></td><td></td><td></td><td class="s"> $cwd;</td></tr>
800<tr><td class="h"><a name="617"></a>617</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
801<tr><td class="h"><a name="618"></a>618</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
802<tr><td class="h"><a name="619"></a>619</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
803<tr><td class="h"><a name="620"></a>620</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">my $Curdir;</td></tr>
804<tr><td class="h"><a name="621"></a>621</td><td></td><td></td><td></td><td></td><td class="s">sub fast_abs_path {</td></tr>
805<tr><td class="h"><a name="622"></a>622</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{PWD} = $ENV{PWD} || ''; # Guard against clobberage</td></tr>
806<tr><td class="h"><a name="623"></a>623</td><td></td><td></td><td></td><td></td><td class="s"> my $cwd = getcwd();</td></tr>
807<tr><td class="h"><a name="624"></a>624</td><td></td><td></td><td></td><td></td><td class="s"> require File::Spec;</td></tr>
808<tr><td class="h"><a name="625"></a>625</td><td></td><td></td><td></td><td></td><td class="s"> my $path = @_ ? shift : ($Curdir ||= File::Spec-&gt;curdir);</td></tr>
809<tr><td class="h"><a name="626"></a>626</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
810<tr><td class="h"><a name="627"></a>627</td><td></td><td></td><td></td><td></td><td class="s"> # Detaint else we'll explode in taint mode. This is safe because</td></tr>
811<tr><td class="h"><a name="628"></a>628</td><td></td><td></td><td></td><td></td><td class="s"> # we're not doing anything dangerous with it.</td></tr>
812<tr><td class="h"><a name="629"></a>629</td><td></td><td></td><td></td><td></td><td class="s"> ($path) = $path =~ /(.*)/;</td></tr>
813<tr><td class="h"><a name="630"></a>630</td><td></td><td></td><td></td><td></td><td class="s"> ($cwd) = $cwd =~ /(.*)/;</td></tr>
814<tr><td class="h"><a name="631"></a>631</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
815<tr><td class="h"><a name="632"></a>632</td><td></td><td></td><td></td><td></td><td class="s"> unless (-e $path) {</td></tr>
816<tr><td class="h"><a name="633"></a>633</td><td></td><td></td><td></td><td></td><td class="s"> _croak(&quot;$path: No such file or directory&quot;);</td></tr>
817<tr><td class="h"><a name="634"></a>634</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
818<tr><td class="h"><a name="635"></a>635</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
819<tr><td class="h"><a name="636"></a>636</td><td></td><td></td><td></td><td></td><td class="s"> unless (-d _) {</td></tr>
820<tr><td class="h"><a name="637"></a>637</td><td></td><td></td><td></td><td></td><td class="s"> # Make sure we can be invoked on plain files, not just directories.</td></tr>
821<tr><td class="h"><a name="638"></a>638</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
822<tr><td class="h"><a name="639"></a>639</td><td></td><td></td><td></td><td></td><td class="s"> my ($vol, $dir, $file) = File::Spec-&gt;splitpath($path);</td></tr>
823<tr><td class="h"><a name="640"></a>640</td><td></td><td></td><td></td><td></td><td class="s"> return File::Spec-&gt;catfile($cwd, $path) unless length $dir;</td></tr>
824<tr><td class="h"><a name="641"></a>641</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
825<tr><td class="h"><a name="642"></a>642</td><td></td><td></td><td></td><td></td><td class="s"> if (-l $path) {</td></tr>
826<tr><td class="h"><a name="643"></a>643</td><td></td><td></td><td></td><td></td><td class="s"> my $link_target = readlink($path);</td></tr>
827<tr><td class="h"><a name="644"></a>644</td><td></td><td></td><td></td><td></td><td class="s"> die &quot;Can't resolve link $path: $!&quot; unless defined $link_target;</td></tr>
828<tr><td class="h"><a name="645"></a>645</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
829<tr><td class="h"><a name="646"></a>646</td><td></td><td></td><td></td><td></td><td class="s"> $link_target = File::Spec-&gt;catpath($vol, $dir, $link_target)</td></tr>
830<tr><td class="h"><a name="647"></a>647</td><td></td><td></td><td></td><td></td><td class="s"> unless File::Spec-&gt;file_name_is_absolute($link_target);</td></tr>
831<tr><td class="h"><a name="648"></a>648</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
832<tr><td class="h"><a name="649"></a>649</td><td></td><td></td><td></td><td></td><td class="s"> return fast_abs_path($link_target);</td></tr>
833<tr><td class="h"><a name="650"></a>650</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
834<tr><td class="h"><a name="651"></a>651</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
835<tr><td class="h"><a name="652"></a>652</td><td></td><td></td><td></td><td></td><td class="s"> return $dir eq File::Spec-&gt;rootdir</td></tr>
836<tr><td class="h"><a name="653"></a>653</td><td></td><td></td><td></td><td></td><td class="s"> ? File::Spec-&gt;catpath($vol, $dir, $file)</td></tr>
837<tr><td class="h"><a name="654"></a>654</td><td></td><td></td><td></td><td></td><td class="s"> : fast_abs_path(File::Spec-&gt;catpath($vol, $dir, '')) . '/' . $file;</td></tr>
838<tr><td class="h"><a name="655"></a>655</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
839<tr><td class="h"><a name="656"></a>656</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
840<tr><td class="h"><a name="657"></a>657</td><td></td><td></td><td></td><td></td><td class="s"> if (!CORE::chdir($path)) {</td></tr>
841<tr><td class="h"><a name="658"></a>658</td><td></td><td></td><td></td><td></td><td class="s"> _croak(&quot;Cannot chdir to $path: $!&quot;);</td></tr>
842<tr><td class="h"><a name="659"></a>659</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
843<tr><td class="h"><a name="660"></a>660</td><td></td><td></td><td></td><td></td><td class="s"> my $realpath = getcwd();</td></tr>
844<tr><td class="h"><a name="661"></a>661</td><td></td><td></td><td></td><td></td><td class="s"> if (! ((-d $cwd) &amp;&amp; (CORE::chdir($cwd)))) {</td></tr>
845<tr><td class="h"><a name="662"></a>662</td><td></td><td></td><td></td><td></td><td class="s"> _croak(&quot;Cannot chdir back to $cwd: $!&quot;);</td></tr>
846<tr><td class="h"><a name="663"></a>663</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
847<tr><td class="h"><a name="664"></a>664</td><td></td><td></td><td></td><td></td><td class="s"> $realpath;</td></tr>
848<tr><td class="h"><a name="665"></a>665</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
849<tr><td class="h"><a name="666"></a>666</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
850<tr><td class="h"><a name="667"></a>667</td><td></td><td></td><td></td><td></td><td class="s"># added function alias to follow principle of least surprise</td></tr>
851<tr><td class="h"><a name="668"></a>668</td><td></td><td></td><td></td><td></td><td class="s"># based on previous aliasing. --tchrist 27-Jan-00</td></tr>
852<tr><td class="h"><a name="669"></a>669</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">*fast_realpath = \&amp;fast_abs_path;</td></tr>
853<tr><td class="h"><a name="670"></a>670</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
854<tr><td class="h"><a name="671"></a>671</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
855<tr><td class="h"><a name="672"></a>672</td><td></td><td></td><td></td><td></td><td class="s"># --- PORTING SECTION ---</td></tr>
856<tr><td class="h"><a name="673"></a>673</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
857<tr><td class="h"><a name="674"></a>674</td><td></td><td></td><td></td><td></td><td class="s"># VMS: $ENV{'DEFAULT'} points to default directory at all times</td></tr>
858<tr><td class="h"><a name="675"></a>675</td><td></td><td></td><td></td><td></td><td class="s"># 06-Mar-1996 Charles Bailey bailey@newman.upenn.edu</td></tr>
859<tr><td class="h"><a name="676"></a>676</td><td></td><td></td><td></td><td></td><td class="s"># Note: Use of Cwd::chdir() causes the logical name PWD to be defined</td></tr>
860<tr><td class="h"><a name="677"></a>677</td><td></td><td></td><td></td><td></td><td class="s"># in the process logical name table as the default device and directory</td></tr>
861<tr><td class="h"><a name="678"></a>678</td><td></td><td></td><td></td><td></td><td class="s"># seen by Perl. This may not be the same as the default device</td></tr>
862<tr><td class="h"><a name="679"></a>679</td><td></td><td></td><td></td><td></td><td class="s"># and directory seen by DCL after Perl exits, since the effects</td></tr>
863<tr><td class="h"><a name="680"></a>680</td><td></td><td></td><td></td><td></td><td class="s"># the CRTL chdir() function persist only until Perl exits.</td></tr>
864<tr><td class="h"><a name="681"></a>681</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
865<tr><td class="h"><a name="682"></a>682</td><td></td><td></td><td></td><td></td><td class="s">sub _vms_cwd {</td></tr>
866<tr><td class="h"><a name="683"></a>683</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'DEFAULT'};</td></tr>
867<tr><td class="h"><a name="684"></a>684</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
868<tr><td class="h"><a name="685"></a>685</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
869<tr><td class="h"><a name="686"></a>686</td><td></td><td></td><td></td><td></td><td class="s">sub _vms_abs_path {</td></tr>
870<tr><td class="h"><a name="687"></a>687</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'DEFAULT'} unless @_;</td></tr>
871<tr><td class="h"><a name="688"></a>688</td><td></td><td></td><td></td><td></td><td class="s"> my $path = shift;</td></tr>
872<tr><td class="h"><a name="689"></a>689</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
873<tr><td class="h"><a name="690"></a>690</td><td></td><td></td><td></td><td></td><td class="s"> my $efs = _vms_efs;</td></tr>
874<tr><td class="h"><a name="691"></a>691</td><td></td><td></td><td></td><td></td><td class="s"> my $unix_rpt = _vms_unix_rpt;</td></tr>
875<tr><td class="h"><a name="692"></a>692</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
876<tr><td class="h"><a name="693"></a>693</td><td></td><td></td><td></td><td></td><td class="s"> if (defined &amp;VMS::Filespec::vmsrealpath) {</td></tr>
877<tr><td class="h"><a name="694"></a>694</td><td></td><td></td><td></td><td></td><td class="s"> my $path_unix = 0;</td></tr>
878<tr><td class="h"><a name="695"></a>695</td><td></td><td></td><td></td><td></td><td class="s"> my $path_vms = 0;</td></tr>
879<tr><td class="h"><a name="696"></a>696</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
880<tr><td class="h"><a name="697"></a>697</td><td></td><td></td><td></td><td></td><td class="s"> $path_unix = 1 if ($path =~ m#(?&lt;=\^)/#);</td></tr>
881<tr><td class="h"><a name="698"></a>698</td><td></td><td></td><td></td><td></td><td class="s"> $path_unix = 1 if ($path =~ /^\.\.?$/);</td></tr>
882<tr><td class="h"><a name="699"></a>699</td><td></td><td></td><td></td><td></td><td class="s"> $path_vms = 1 if ($path =~ m#[\[&lt;\]]#);</td></tr>
883<tr><td class="h"><a name="700"></a>700</td><td></td><td></td><td></td><td></td><td class="s"> $path_vms = 1 if ($path =~ /^--?$/);</td></tr>
884<tr><td class="h"><a name="701"></a>701</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
885<tr><td class="h"><a name="702"></a>702</td><td></td><td></td><td></td><td></td><td class="s"> my $unix_mode = $path_unix;</td></tr>
886<tr><td class="h"><a name="703"></a>703</td><td></td><td></td><td></td><td></td><td class="s"> if ($efs) {</td></tr>
887<tr><td class="h"><a name="704"></a>704</td><td></td><td></td><td></td><td></td><td class="s"> # In case of a tie, the Unix report mode decides.</td></tr>
888<tr><td class="h"><a name="705"></a>705</td><td></td><td></td><td></td><td></td><td class="s"> if ($path_vms == $path_unix) {</td></tr>
889<tr><td class="h"><a name="706"></a>706</td><td></td><td></td><td></td><td></td><td class="s"> $unix_mode = $unix_rpt;</td></tr>
890<tr><td class="h"><a name="707"></a>707</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
891<tr><td class="h"><a name="708"></a>708</td><td></td><td></td><td></td><td></td><td class="s"> $unix_mode = 0 if $path_vms;</td></tr>
892<tr><td class="h"><a name="709"></a>709</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
893<tr><td class="h"><a name="710"></a>710</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
894<tr><td class="h"><a name="711"></a>711</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
895<tr><td class="h"><a name="712"></a>712</td><td></td><td></td><td></td><td></td><td class="s"> if ($unix_mode) {</td></tr>
896<tr><td class="h"><a name="713"></a>713</td><td></td><td></td><td></td><td></td><td class="s"> # Unix format</td></tr>
897<tr><td class="h"><a name="714"></a>714</td><td></td><td></td><td></td><td></td><td class="s"> return VMS::Filespec::unixrealpath($path);</td></tr>
898<tr><td class="h"><a name="715"></a>715</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
899<tr><td class="h"><a name="716"></a>716</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
900<tr><td class="h"><a name="717"></a>717</td><td></td><td></td><td></td><td></td><td class="s"> # VMS format</td></tr>
901<tr><td class="h"><a name="718"></a>718</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
902<tr><td class="h"><a name="719"></a>719</td><td></td><td></td><td></td><td></td><td class="s"> my $new_path = VMS::Filespec::vmsrealpath($path);</td></tr>
903<tr><td class="h"><a name="720"></a>720</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
904<tr><td class="h"><a name="721"></a>721</td><td></td><td></td><td></td><td></td><td class="s"> # Perl expects directories to be in directory format</td></tr>
905<tr><td class="h"><a name="722"></a>722</td><td></td><td></td><td></td><td></td><td class="s"> $new_path = VMS::Filespec::pathify($new_path) if -d $path;</td></tr>
906<tr><td class="h"><a name="723"></a>723</td><td></td><td></td><td></td><td></td><td class="s"> return $new_path;</td></tr>
907<tr><td class="h"><a name="724"></a>724</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
908<tr><td class="h"><a name="725"></a>725</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
909<tr><td class="h"><a name="726"></a>726</td><td></td><td></td><td></td><td></td><td class="s"> # Fallback to older algorithm if correct ones are not</td></tr>
910<tr><td class="h"><a name="727"></a>727</td><td></td><td></td><td></td><td></td><td class="s"> # available.</td></tr>
911<tr><td class="h"><a name="728"></a>728</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
912<tr><td class="h"><a name="729"></a>729</td><td></td><td></td><td></td><td></td><td class="s"> if (-l $path) {</td></tr>
913<tr><td class="h"><a name="730"></a>730</td><td></td><td></td><td></td><td></td><td class="s"> my $link_target = readlink($path);</td></tr>
914<tr><td class="h"><a name="731"></a>731</td><td></td><td></td><td></td><td></td><td class="s"> die &quot;Can't resolve link $path: $!&quot; unless defined $link_target;</td></tr>
915<tr><td class="h"><a name="732"></a>732</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
916<tr><td class="h"><a name="733"></a>733</td><td></td><td></td><td></td><td></td><td class="s"> return _vms_abs_path($link_target);</td></tr>
917<tr><td class="h"><a name="734"></a>734</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
918<tr><td class="h"><a name="735"></a>735</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
919<tr><td class="h"><a name="736"></a>736</td><td></td><td></td><td></td><td></td><td class="s"> # may need to turn foo.dir into [.foo]</td></tr>
920<tr><td class="h"><a name="737"></a>737</td><td></td><td></td><td></td><td></td><td class="s"> my $pathified = VMS::Filespec::pathify($path);</td></tr>
921<tr><td class="h"><a name="738"></a>738</td><td></td><td></td><td></td><td></td><td class="s"> $path = $pathified if defined $pathified;</td></tr>
922<tr><td class="h"><a name="739"></a>739</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
923<tr><td class="h"><a name="740"></a>740</td><td></td><td></td><td></td><td></td><td class="s"> return VMS::Filespec::rmsexpand($path);</td></tr>
924<tr><td class="h"><a name="741"></a>741</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
925<tr><td class="h"><a name="742"></a>742</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
926<tr><td class="h"><a name="743"></a>743</td><td></td><td></td><td></td><td></td><td class="s">sub _os2_cwd {</td></tr>
927<tr><td class="h"><a name="744"></a>744</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = `cmd /c cd`;</td></tr>
928<tr><td class="h"><a name="745"></a>745</td><td></td><td></td><td></td><td></td><td class="s"> chomp $ENV{'PWD'};</td></tr>
929<tr><td class="h"><a name="746"></a>746</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} =~ s:\\:/:g ;</td></tr>
930<tr><td class="h"><a name="747"></a>747</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'};</td></tr>
931<tr><td class="h"><a name="748"></a>748</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
932<tr><td class="h"><a name="749"></a>749</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
933<tr><td class="h"><a name="750"></a>750</td><td></td><td></td><td></td><td></td><td class="s">sub _win32_cwd_simple {</td></tr>
934<tr><td class="h"><a name="751"></a>751</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = `cd`;</td></tr>
935<tr><td class="h"><a name="752"></a>752</td><td></td><td></td><td></td><td></td><td class="s"> chomp $ENV{'PWD'};</td></tr>
936<tr><td class="h"><a name="753"></a>753</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} =~ s:\\:/:g ;</td></tr>
937<tr><td class="h"><a name="754"></a>754</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'};</td></tr>
938<tr><td class="h"><a name="755"></a>755</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
939<tr><td class="h"><a name="756"></a>756</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
940<tr><td class="h"><a name="757"></a>757</td><td></td><td></td><td></td><td></td><td class="s">sub _win32_cwd {</td></tr>
941<tr><td class="h"><a name="758"></a>758</td><td></td><td></td><td></td><td></td><td class="s"> if (eval 'defined &amp;DynaLoader::boot_DynaLoader') {</td></tr>
942<tr><td class="h"><a name="759"></a>759</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = Win32::GetCwd();</td></tr>
943<tr><td class="h"><a name="760"></a>760</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
944<tr><td class="h"><a name="761"></a>761</td><td></td><td></td><td></td><td></td><td class="s"> else { # miniperl</td></tr>
945<tr><td class="h"><a name="762"></a>762</td><td></td><td></td><td></td><td></td><td class="s"> chomp($ENV{'PWD'} = `cd`);</td></tr>
946<tr><td class="h"><a name="763"></a>763</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
947<tr><td class="h"><a name="764"></a>764</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} =~ s:\\:/:g ;</td></tr>
948<tr><td class="h"><a name="765"></a>765</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'};</td></tr>
949<tr><td class="h"><a name="766"></a>766</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
950<tr><td class="h"><a name="767"></a>767</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
951<tr><td class="h"><a name="768"></a>768</td><td class="c3">1</td><td class="c3"><span title="Avg 400ns">400ns</span></td><td></td><td></td><td class="s">*_NT_cwd = defined &amp;Win32::GetCwd ? \&amp;_win32_cwd : \&amp;_win32_cwd_simple;</td></tr>
952<tr><td class="h"><a name="769"></a>769</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
953<tr><td class="h"><a name="770"></a>770</td><td></td><td></td><td></td><td></td><td class="s">sub _dos_cwd {</td></tr>
954<tr><td class="h"><a name="771"></a>771</td><td></td><td></td><td></td><td></td><td class="s"> if (!defined &amp;Dos::GetCwd) {</td></tr>
955<tr><td class="h"><a name="772"></a>772</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = `command /c cd`;</td></tr>
956<tr><td class="h"><a name="773"></a>773</td><td></td><td></td><td></td><td></td><td class="s"> chomp $ENV{'PWD'};</td></tr>
957<tr><td class="h"><a name="774"></a>774</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} =~ s:\\:/:g ;</td></tr>
958<tr><td class="h"><a name="775"></a>775</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
959<tr><td class="h"><a name="776"></a>776</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = Dos::GetCwd();</td></tr>
960<tr><td class="h"><a name="777"></a>777</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
961<tr><td class="h"><a name="778"></a>778</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'};</td></tr>
962<tr><td class="h"><a name="779"></a>779</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
963<tr><td class="h"><a name="780"></a>780</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
964<tr><td class="h"><a name="781"></a>781</td><td></td><td></td><td></td><td></td><td class="s">sub _qnx_cwd {</td></tr>
965<tr><td class="h"><a name="782"></a>782</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{PATH} = '';</td></tr>
966<tr><td class="h"><a name="783"></a>783</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{CDPATH} = '';</td></tr>
967<tr><td class="h"><a name="784"></a>784</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{ENV} = '';</td></tr>
968<tr><td class="h"><a name="785"></a>785</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = `/usr/bin/fullpath -t`;</td></tr>
969<tr><td class="h"><a name="786"></a>786</td><td></td><td></td><td></td><td></td><td class="s"> chomp $ENV{'PWD'};</td></tr>
970<tr><td class="h"><a name="787"></a>787</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'};</td></tr>
971<tr><td class="h"><a name="788"></a>788</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
972<tr><td class="h"><a name="789"></a>789</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
973<tr><td class="h"><a name="790"></a>790</td><td></td><td></td><td></td><td></td><td class="s">sub _qnx_abs_path {</td></tr>
974<tr><td class="h"><a name="791"></a>791</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{PATH} = '';</td></tr>
975<tr><td class="h"><a name="792"></a>792</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{CDPATH} = '';</td></tr>
976<tr><td class="h"><a name="793"></a>793</td><td></td><td></td><td></td><td></td><td class="s"> local $ENV{ENV} = '';</td></tr>
977<tr><td class="h"><a name="794"></a>794</td><td></td><td></td><td></td><td></td><td class="s"> my $path = @_ ? shift : '.';</td></tr>
978<tr><td class="h"><a name="795"></a>795</td><td></td><td></td><td></td><td></td><td class="s"> local *REALPATH;</td></tr>
979<tr><td class="h"><a name="796"></a>796</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
980<tr><td class="h"><a name="797"></a>797</td><td></td><td></td><td></td><td></td><td class="s"> defined( open(REALPATH, '-|') || exec '/usr/bin/fullpath', '-t', $path ) or</td></tr>
981<tr><td class="h"><a name="798"></a>798</td><td></td><td></td><td></td><td></td><td class="s"> die &quot;Can't open /usr/bin/fullpath: $!&quot;;</td></tr>
982<tr><td class="h"><a name="799"></a>799</td><td></td><td></td><td></td><td></td><td class="s"> my $realpath = &lt;REALPATH&gt;;</td></tr>
983<tr><td class="h"><a name="800"></a>800</td><td></td><td></td><td></td><td></td><td class="s"> close REALPATH;</td></tr>
984<tr><td class="h"><a name="801"></a>801</td><td></td><td></td><td></td><td></td><td class="s"> chomp $realpath;</td></tr>
985<tr><td class="h"><a name="802"></a>802</td><td></td><td></td><td></td><td></td><td class="s"> return $realpath;</td></tr>
986<tr><td class="h"><a name="803"></a>803</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
987<tr><td class="h"><a name="804"></a>804</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
988<tr><td class="h"><a name="805"></a>805</td><td></td><td></td><td></td><td></td><td class="s">sub _epoc_cwd {</td></tr>
989<tr><td class="h"><a name="806"></a>806</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{'PWD'} = EPOC::getcwd();</td></tr>
990<tr><td class="h"><a name="807"></a>807</td><td></td><td></td><td></td><td></td><td class="s"> return $ENV{'PWD'};</td></tr>
991<tr><td class="h"><a name="808"></a>808</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
992<tr><td class="h"><a name="809"></a>809</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
993<tr><td class="h"><a name="810"></a>810</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
994<tr><td class="h"><a name="811"></a>811</td><td></td><td></td><td></td><td></td><td class="s"># Now that all the base-level functions are set up, alias the</td></tr>
995<tr><td class="h"><a name="812"></a>812</td><td></td><td></td><td></td><td></td><td class="s"># user-level functions to the right places</td></tr>
996<tr><td class="h"><a name="813"></a>813</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
997<tr><td class="h"><a name="814"></a>814</td><td class="c0">3</td><td class="c0"><span title="Avg 2&micro;s">6&micro;s</span></td><td></td><td></td><td class="s">if (exists $METHOD_MAP{$^O}) {</td></tr>
998<tr><td class="h"><a name="815"></a>815</td><td></td><td></td><td></td><td></td><td class="s"> my $map = $METHOD_MAP{$^O};</td></tr>
999<tr><td class="h"><a name="816"></a>816</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $name (keys %$map) {</td></tr>
1000<tr><td class="h"><a name="817"></a>817</td><td></td><td></td><td></td><td></td><td class="s"> local $^W = 0; # assignments trigger 'subroutine redefined' warning</td></tr>
1001<tr><td class="h"><a name="818"></a>818</td><td class="c1">2</td><td class="c0"><span title="Avg 50&micro;s">100&micro;s</span></td><td class="c3">2</td><td class="c3">50&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 31&micro;s (12+19) within Cwd::BEGIN@818 which was called:
1002# once (12&micro;s+19&micro;s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#818">line 818</a></div></div> no strict 'refs';<div class="calls"><div class="calls_out"> # spent 31&micro;s making 1 call to <a href="Cwd-pm-11-block.html#818">Cwd::BEGIN@818</a>
1003 # spent 19&micro;s making 1 call to <a href="strict-pm-3-block.html#39">strict::unimport</a></div></div></td></tr>
1004<tr><td class="h"><a name="819"></a>819</td><td></td><td></td><td></td><td></td><td class="s"> *{$name} = \&amp;{$map-&gt;{$name}};</td></tr>
1005<tr><td class="h"><a name="820"></a>820</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
1006<tr><td class="h"><a name="821"></a>821</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
1007<tr><td class="h"><a name="822"></a>822</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
1008<tr><td class="h"><a name="823"></a>823</td><td></td><td></td><td></td><td></td><td class="s"># In case the XS version doesn't load.</td></tr>
1009<tr><td class="h"><a name="824"></a>824</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">*abs_path = \&amp;_perl_abs_path unless defined &amp;abs_path;</td></tr>
1010<tr><td class="h"><a name="825"></a>825</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">*getcwd = \&amp;_perl_getcwd unless defined &amp;getcwd;</td></tr>
1011<tr><td class="h"><a name="826"></a>826</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
1012<tr><td class="h"><a name="827"></a>827</td><td></td><td></td><td></td><td></td><td class="s"># added function alias for those of us more</td></tr>
1013<tr><td class="h"><a name="828"></a>828</td><td></td><td></td><td></td><td></td><td class="s"># used to the libc function. --tchrist 27-Jan-00</td></tr>
1014<tr><td class="h"><a name="829"></a>829</td><td class="c3">1</td><td class="c3"><span title="Avg 500ns">500ns</span></td><td></td><td></td><td class="s">*realpath = \&amp;abs_path;</td></tr>
1015<tr><td class="h"><a name="830"></a>830</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
1016<tr><td class="h"><a name="831"></a>831</td><td class="c3">1</td><td class="c0"><span title="Avg 118&micro;s">118&micro;s</span></td><td></td><td></td><td class="s">1;</td></tr>
1017<tr><td class="s"><a name=""></a>&nbsp;</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
1018<tr><td class="h"><a name="Cwd__CORE_fteexec"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 12&micro;s within Cwd::CORE:fteexec which was called:
1019# once (12&micro;s+0s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#342">line 342</a></div></div>sub Cwd::CORE:fteexec; # opcode<br /> </td></tr>
1020<tr><td class="h"><a name="Cwd__CORE_regcomp"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 5&micro;s within Cwd::CORE:regcomp which was called:
1021# once (5&micro;s+0s) by FindBin::BEGIN@98 at <a href="Cwd-pm-11-block.html#384">line 384</a></div></div>sub Cwd::CORE:regcomp; # opcode<br /> </td></tr>
1022<tr><td class="h"><a name="Cwd__abs_path"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 39&micro;s within Cwd::abs_path which was called 2 times, avg 20&micro;s/call:
1023# once (28&micro;s+0s) by FindBin::init at <a href="FindBin-pm-9-block.html#197">line 197 of FindBin.pm</a>
1024# once (11&micro;s+0s) by FindBin::init at <a href="FindBin-pm-9-block.html#200">line 200 of FindBin.pm</a></div></div>sub Cwd::abs_path; # xsub<br /> </td></tr>
1025<tr><td class="h"><a name="Cwd__getcwd"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 255&micro;s within Cwd::getcwd which was called 8 times, avg 32&micro;s/call:
1026# 5 times (104&micro;s+0s) by File::Find::_find_opt at <a href="File-Find-pm-635-block.html#476">line 476 of File/Find.pm</a>, avg 21&micro;s/call
1027# 2 times (126&micro;s+0s) by File::Spec::Unix::_cwd at <a href="File-Spec-Unix-pm-17-block.html#483">line 483 of File/Spec/Unix.pm</a>, avg 63&micro;s/call
1028# once (26&micro;s+0s) by FindBin::cwd2 at <a href="FindBin-pm-9-block.html#116">line 116 of FindBin.pm</a></div></div>sub Cwd::getcwd; # xsub<br /> </td></tr>
1029</tbody></table></div>
1030
1031 <script type="text/javascript"> $(document).ready(function() {
1032
1033 $("#subs_table").tablesorter({
1034 sortList: [[3,1]],
1035 headers: {
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1041 } ); </script>
1042
1043 <div class="footer">Report produced by the
1044 <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
1045 Perl profiler, developed by
1046 <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
1047 <a href="http://code.nytimes.com">Adam Kaplan</a>.
1048 </div>
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