snapraid/cov/cmdline/mktest.c.gcov.html
Andrea Mazzoleni a53ac4a175 Auto update
2026-03-15 18:52:43 +01:00

872 lines
88 KiB
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<title>LCOV - lcov.info - cmdline/mktest.c</title>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="title">LCOV - code coverage report</td></tr>
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<table cellpadding=1 border=0 width="100%">
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<td width="10%" class="headerItem">Current view:</td>
<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">cmdline</a> - mktest.c<span style="font-size: 80%;"> (source / <a href="mktest.c.func-sort-c.html">functions</a>)</span></td>
<td width="5%"></td>
<td width="15%"></td>
<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
<td width="15%" class="headerCovTableHead">Coverage</td>
</tr>
<tr>
<td class="headerItem">Test:</td>
<td class="headerValue">lcov.info</td>
<td></td>
<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">221</td>
<td class="headerCovTableEntry">237</td>
<td class="headerCovTableEntryHi">93.2 %</td>
</tr>
<tr>
<td class="headerItem">Date:</td>
<td class="headerValue">2026-03-15 15:58:19</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">18</td>
<td class="headerCovTableEntry">18</td>
<td class="headerCovTableEntryHi">100.0 %</td>
</tr>
<tr><td><img src="../glass.png" width=3 height=3 alt=""></td></tr>
</table>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : /*</a>
<a name="2"><span class="lineNum"> 2 </span> : * Copyright (C) 2011 Andrea Mazzoleni</a>
<a name="3"><span class="lineNum"> 3 </span> : *</a>
<a name="4"><span class="lineNum"> 4 </span> : * This program is free software: you can redistribute it and/or modify</a>
<a name="5"><span class="lineNum"> 5 </span> : * it under the terms of the GNU General Public License as published by</a>
<a name="6"><span class="lineNum"> 6 </span> : * the Free Software Foundation, either version 3 of the License, or</a>
<a name="7"><span class="lineNum"> 7 </span> : * (at your option) any later version.</a>
<a name="8"><span class="lineNum"> 8 </span> : *</a>
<a name="9"><span class="lineNum"> 9 </span> : * This program is distributed in the hope that it will be useful,</a>
<a name="10"><span class="lineNum"> 10 </span> : * but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
<a name="11"><span class="lineNum"> 11 </span> : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
<a name="12"><span class="lineNum"> 12 </span> : * GNU General Public License for more details.</a>
<a name="13"><span class="lineNum"> 13 </span> : *</a>
<a name="14"><span class="lineNum"> 14 </span> : * You should have received a copy of the GNU General Public License</a>
<a name="15"><span class="lineNum"> 15 </span> : * along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</a>
<a name="16"><span class="lineNum"> 16 </span> : */</a>
<a name="17"><span class="lineNum"> 17 </span> : </a>
<a name="18"><span class="lineNum"> 18 </span> : #include &quot;portable.h&quot;</a>
<a name="19"><span class="lineNum"> 19 </span> : </a>
<a name="20"><span class="lineNum"> 20 </span> : #include &quot;support.h&quot;</a>
<a name="21"><span class="lineNum"> 21 </span> : </a>
<a name="22"><span class="lineNum"> 22 </span> : volatile int global_interrupt = 0;</a>
<a name="23"><span class="lineNum"> 23 </span> : </a>
<a name="24"><span class="lineNum"> 24 </span> : /****************************************************************************/</a>
<a name="25"><span class="lineNum"> 25 </span> : /* random */</a>
<a name="26"><span class="lineNum"> 26 </span> : </a>
<a name="27"><span class="lineNum"> 27 </span> : /**</a>
<a name="28"><span class="lineNum"> 28 </span> : * Pseudo random number generator.</a>
<a name="29"><span class="lineNum"> 29 </span> : */</a>
<a name="30"><span class="lineNum"> 30 </span> : unsigned long long seed = 0;</a>
<a name="31"><span class="lineNum"> 31 </span> : </a>
<a name="32"><span class="lineNum"> 32 </span><span class="lineCov"> 55901536 : unsigned rnd(unsigned max)</span></a>
<a name="33"><span class="lineNum"> 33 </span> : {</a>
<a name="34"><span class="lineNum"> 34 </span><span class="lineCov"> 55901536 : seed = seed * 6364136223846793005LL + 1442695040888963407LL;</span></a>
<a name="35"><span class="lineNum"> 35 </span> : </a>
<a name="36"><span class="lineNum"> 36 </span><span class="lineCov"> 55901536 : return (seed &gt;&gt; 32) % max;</span></a>
<a name="37"><span class="lineNum"> 37 </span> : }</a>
<a name="38"><span class="lineNum"> 38 </span> : </a>
<a name="39"><span class="lineNum"> 39 </span><span class="lineCov"> 55491581 : unsigned rndnz(unsigned max)</span></a>
<a name="40"><span class="lineNum"> 40 </span> : {</a>
<a name="41"><span class="lineNum"> 41 </span><span class="lineCov"> 55491581 : if (max &lt;= 1)</span></a>
<a name="42"><span class="lineNum"> 42 </span><span class="lineCov"> 2831 : return 1;</span></a>
<a name="43"><span class="lineNum"> 43 </span> : else</a>
<a name="44"><span class="lineNum"> 44 </span><span class="lineCov"> 55488750 : return rnd(max - 1) + 1;</span></a>
<a name="45"><span class="lineNum"> 45 </span> : }</a>
<a name="46"><span class="lineNum"> 46 </span> : </a>
<a name="47"><span class="lineNum"> 47 </span><span class="lineCov"> 32666 : void rndnz_range(unsigned char* data, int size)</span></a>
<a name="48"><span class="lineNum"> 48 </span> : {</a>
<a name="49"><span class="lineNum"> 49 </span> : int i;</a>
<a name="50"><span class="lineNum"> 50 </span> : </a>
<a name="51"><span class="lineNum"> 51 </span><span class="lineCov"> 55517482 : for (i = 0; i &lt; size; ++i)</span></a>
<a name="52"><span class="lineNum"> 52 </span><span class="lineCov"> 55484816 : data[i] = rndnz(256);</span></a>
<a name="53"><span class="lineNum"> 53 </span><span class="lineCov"> 32666 : }</span></a>
<a name="54"><span class="lineNum"> 54 </span> : </a>
<a name="55"><span class="lineNum"> 55 </span><span class="lineCov"> 1821 : void rndnz_damage(unsigned char* data, int size)</span></a>
<a name="56"><span class="lineNum"> 56 </span> : {</a>
<a name="57"><span class="lineNum"> 57 </span> : int i;</a>
<a name="58"><span class="lineNum"> 58 </span> : </a>
<a name="59"><span class="lineNum"> 59 </span> : /* corrupt ensuring always different data */</a>
<a name="60"><span class="lineNum"> 60 </span><span class="lineCov"> 3642 : for (i = 0; i &lt; size; ++i) {</span></a>
<a name="61"><span class="lineNum"> 61 </span> : unsigned char c;</a>
<a name="62"><span class="lineNum"> 62 </span> : </a>
<a name="63"><span class="lineNum"> 63 </span> : do {</a>
<a name="64"><span class="lineNum"> 64 </span><span class="lineCov"> 1834 : c = rndnz(256);</span></a>
<a name="65"><span class="lineNum"> 65 </span><span class="lineCov"> 1834 : } while (c == data[i]);</span></a>
<a name="66"><span class="lineNum"> 66 </span> : </a>
<a name="67"><span class="lineNum"> 67 </span><span class="lineCov"> 1821 : data[i] = c;</span></a>
<a name="68"><span class="lineNum"> 68 </span> : }</a>
<a name="69"><span class="lineNum"> 69 </span><span class="lineCov"> 1821 : }</span></a>
<a name="70"><span class="lineNum"> 70 </span> : </a>
<a name="71"><span class="lineNum"> 71 </span> : char CHARSET[] = &quot;qwertyuiopasdfghjklzxcvbnm1234567890 .-+&quot;;</a>
<a name="72"><span class="lineNum"> 72 </span> : #define CHARSET_LEN (sizeof(CHARSET) - 1)</a>
<a name="73"><span class="lineNum"> 73 </span> : </a>
<a name="74"><span class="lineNum"> 74 </span><span class="lineCov"> 26839 : void rnd_name(char* file)</span></a>
<a name="75"><span class="lineNum"> 75 </span> : {</a>
<a name="76"><span class="lineNum"> 76 </span><span class="lineCov"> 26839 : int l = 1 + rnd(20);</span></a>
<a name="77"><span class="lineNum"> 77 </span> : </a>
<a name="78"><span class="lineNum"> 78 </span><span class="lineCov"> 307404 : while (l) {</span></a>
<a name="79"><span class="lineNum"> 79 </span><span class="lineCov"> 280565 : *file++ = CHARSET[rnd(CHARSET_LEN)];</span></a>
<a name="80"><span class="lineNum"> 80 </span><span class="lineCov"> 280565 : --l;</span></a>
<a name="81"><span class="lineNum"> 81 </span> : }</a>
<a name="82"><span class="lineNum"> 82 </span><span class="lineCov"> 26839 : *file = 0;</span></a>
<a name="83"><span class="lineNum"> 83 </span><span class="lineCov"> 26839 : }</span></a>
<a name="84"><span class="lineNum"> 84 </span> : </a>
<a name="85"><span class="lineNum"> 85 </span> : /****************************************************************************/</a>
<a name="86"><span class="lineNum"> 86 </span> : /* file */</a>
<a name="87"><span class="lineNum"> 87 </span> : </a>
<a name="88"><span class="lineNum"> 88 </span><span class="lineCov"> 145916 : int file_cmp(const void* a, const void* b)</span></a>
<a name="89"><span class="lineNum"> 89 </span> : {</a>
<a name="90"><span class="lineNum"> 90 </span><span class="lineCov"> 145916 : return strcmp(a, b);</span></a>
<a name="91"><span class="lineNum"> 91 </span> : }</a>
<a name="92"><span class="lineNum"> 92 </span> : </a>
<a name="93"><span class="lineNum"> 93 </span><span class="lineCov"> 1821 : int fallback(int f, struct stat* st)</span></a>
<a name="94"><span class="lineNum"> 94 </span> : {</a>
<a name="95"><span class="lineNum"> 95 </span> : #if HAVE_FUTIMENS</a>
<a name="96"><span class="lineNum"> 96 </span> : struct timespec tv[2];</a>
<a name="97"><span class="lineNum"> 97 </span> : #else</a>
<a name="98"><span class="lineNum"> 98 </span> : struct timeval tv[2];</a>
<a name="99"><span class="lineNum"> 99 </span> : #endif</a>
<a name="100"><span class="lineNum"> 100 </span> : int ret;</a>
<a name="101"><span class="lineNum"> 101 </span> : </a>
<a name="102"><span class="lineNum"> 102 </span> : #if HAVE_FUTIMENS /* futimens() is preferred because it gives nanosecond precision */</a>
<a name="103"><span class="lineNum"> 103 </span><span class="lineCov"> 1821 : tv[0].tv_sec = st-&gt;st_mtime;</span></a>
<a name="104"><span class="lineNum"> 104 </span><span class="lineCov"> 1821 : if (STAT_NSEC(st) != STAT_NSEC_INVALID)</span></a>
<a name="105"><span class="lineNum"> 105 </span><span class="lineCov"> 1821 : tv[0].tv_nsec = STAT_NSEC(st);</span></a>
<a name="106"><span class="lineNum"> 106 </span> : else</a>
<a name="107"><span class="lineNum"> 107 </span><span class="lineNoCov"> 0 : tv[0].tv_nsec = 0;</span></a>
<a name="108"><span class="lineNum"> 108 </span><span class="lineCov"> 1821 : tv[1].tv_sec = tv[0].tv_sec;</span></a>
<a name="109"><span class="lineNum"> 109 </span><span class="lineCov"> 1821 : tv[1].tv_nsec = tv[0].tv_nsec;</span></a>
<a name="110"><span class="lineNum"> 110 </span> : </a>
<a name="111"><span class="lineNum"> 111 </span><span class="lineCov"> 1821 : ret = futimens(f, tv);</span></a>
<a name="112"><span class="lineNum"> 112 </span> : #elif HAVE_FUTIMES /* fallback to futimes() if nanosecond precision is not available */</a>
<a name="113"><span class="lineNum"> 113 </span> : tv[0].tv_sec = st-&gt;st_mtime;</a>
<a name="114"><span class="lineNum"> 114 </span> : if (STAT_NSEC(st) != STAT_NSEC_INVALID)</a>
<a name="115"><span class="lineNum"> 115 </span> : tv[0].tv_usec = STAT_NSEC(st) / 1000;</a>
<a name="116"><span class="lineNum"> 116 </span> : else</a>
<a name="117"><span class="lineNum"> 117 </span> : tv[0].tv_usec = 0;</a>
<a name="118"><span class="lineNum"> 118 </span> : tv[1].tv_sec = tv[0].tv_sec;</a>
<a name="119"><span class="lineNum"> 119 </span> : tv[1].tv_usec = tv[0].tv_usec;</a>
<a name="120"><span class="lineNum"> 120 </span> : </a>
<a name="121"><span class="lineNum"> 121 </span> : ret = futimes(f, tv);</a>
<a name="122"><span class="lineNum"> 122 </span> : #elif HAVE_FUTIMESAT /* fallback to futimesat() for Solaris, it only has futimesat() */</a>
<a name="123"><span class="lineNum"> 123 </span> : tv[0].tv_sec = st-&gt;st_mtime;</a>
<a name="124"><span class="lineNum"> 124 </span> : if (STAT_NSEC(st) != STAT_NSEC_INVALID)</a>
<a name="125"><span class="lineNum"> 125 </span> : tv[0].tv_usec = STAT_NSEC(st) / 1000;</a>
<a name="126"><span class="lineNum"> 126 </span> : else</a>
<a name="127"><span class="lineNum"> 127 </span> : tv[0].tv_usec = 0;</a>
<a name="128"><span class="lineNum"> 128 </span> : tv[1].tv_sec = tv[0].tv_sec;</a>
<a name="129"><span class="lineNum"> 129 </span> : tv[1].tv_usec = tv[0].tv_usec;</a>
<a name="130"><span class="lineNum"> 130 </span> : </a>
<a name="131"><span class="lineNum"> 131 </span> : ret = futimesat(f, 0, tv);</a>
<a name="132"><span class="lineNum"> 132 </span> : #else</a>
<a name="133"><span class="lineNum"> 133 </span> : #error No function available to set file timestamps</a>
<a name="134"><span class="lineNum"> 134 </span> : #endif</a>
<a name="135"><span class="lineNum"> 135 </span><span class="lineCov"> 1821 : return ret;</span></a>
<a name="136"><span class="lineNum"> 136 </span> : }</a>
<a name="137"><span class="lineNum"> 137 </span> : </a>
<a name="138"><span class="lineNum"> 138 </span> : /****************************************************************************/</a>
<a name="139"><span class="lineNum"> 139 </span> : /* cmd */</a>
<a name="140"><span class="lineNum"> 140 </span> : </a>
<a name="141"><span class="lineNum"> 141 </span> : /**</a>
<a name="142"><span class="lineNum"> 142 </span> : * Create a file with random content.</a>
<a name="143"><span class="lineNum"> 143 </span> : * - If the file exists it's rewritten, but avoiding to truncating it to 0.</a>
<a name="144"><span class="lineNum"> 144 </span> : */</a>
<a name="145"><span class="lineNum"> 145 </span><span class="lineCov"> 23268 : void cmd_generate_file(const char* path, int size)</span></a>
<a name="146"><span class="lineNum"> 146 </span> : {</a>
<a name="147"><span class="lineNum"> 147 </span> : unsigned char* data;</a>
<a name="148"><span class="lineNum"> 148 </span> : int f;</a>
<a name="149"><span class="lineNum"> 149 </span> : </a>
<a name="150"><span class="lineNum"> 150 </span> : /* remove the existing file/symlink if any */</a>
<a name="151"><span class="lineNum"> 151 </span><span class="lineCov"> 23268 : if (remove(path) != 0) {</span></a>
<a name="152"><span class="lineNum"> 152 </span><span class="lineCov"> 22450 : if (errno != ENOENT) {</span></a>
<a name="153"><span class="lineNum"> 153 </span> : /* LCOV_EXCL_START */</a>
<a name="154"><span class="lineNum"> 154 </span> : log_fatal(errno, &quot;Error removing file %s\n&quot;, path);</a>
<a name="155"><span class="lineNum"> 155 </span> : exit(EXIT_FAILURE);</a>
<a name="156"><span class="lineNum"> 156 </span> : /* LCOV_EXCL_STOP */</a>
<a name="157"><span class="lineNum"> 157 </span> : }</a>
<a name="158"><span class="lineNum"> 158 </span> : } else {</a>
<a name="159"><span class="lineNum"> 159 </span> : /* don't truncate files to 0 size to avoid ZERO file size protection */</a>
<a name="160"><span class="lineNum"> 160 </span><span class="lineCov"> 818 : ++size;</span></a>
<a name="161"><span class="lineNum"> 161 </span> : }</a>
<a name="162"><span class="lineNum"> 162 </span> : </a>
<a name="163"><span class="lineNum"> 163 </span><span class="lineCov"> 23268 : data = malloc(size);</span></a>
<a name="164"><span class="lineNum"> 164 </span> : </a>
<a name="165"><span class="lineNum"> 165 </span> : /* We don't write zero bytes because we want to test */</a>
<a name="166"><span class="lineNum"> 166 </span> : /* the recovering of new files, after an aborted sync */</a>
<a name="167"><span class="lineNum"> 167 </span> : /* If the files contains full blocks at zero */</a>
<a name="168"><span class="lineNum"> 168 </span> : /* this is an impossible condition to recover */</a>
<a name="169"><span class="lineNum"> 169 </span> : /* because we cannot differentiate between an unused block */</a>
<a name="170"><span class="lineNum"> 170 </span> : /* and a file filled with 0 */</a>
<a name="171"><span class="lineNum"> 171 </span><span class="lineCov"> 23268 : rndnz_range(data, size);</span></a>
<a name="172"><span class="lineNum"> 172 </span> : </a>
<a name="173"><span class="lineNum"> 173 </span><span class="lineCov"> 23268 : f = open(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_NOFOLLOW, 0600);</span></a>
<a name="174"><span class="lineNum"> 174 </span><span class="lineCov"> 23268 : if (f &lt; 0) {</span></a>
<a name="175"><span class="lineNum"> 175 </span> : /* LCOV_EXCL_START */</a>
<a name="176"><span class="lineNum"> 176 </span> : log_fatal(errno, &quot;Error creating file %s\n&quot;, path);</a>
<a name="177"><span class="lineNum"> 177 </span> : exit(EXIT_FAILURE);</a>
<a name="178"><span class="lineNum"> 178 </span> : /* LCOV_EXCL_STOP */</a>
<a name="179"><span class="lineNum"> 179 </span> : }</a>
<a name="180"><span class="lineNum"> 180 </span> : </a>
<a name="181"><span class="lineNum"> 181 </span><span class="lineCov"> 23268 : if (write(f, data, size) != size) {</span></a>
<a name="182"><span class="lineNum"> 182 </span> : /* LCOV_EXCL_START */</a>
<a name="183"><span class="lineNum"> 183 </span> : log_fatal(errno, &quot;Error writing file %s\n&quot;, path);</a>
<a name="184"><span class="lineNum"> 184 </span> : exit(EXIT_FAILURE);</a>
<a name="185"><span class="lineNum"> 185 </span> : /* LCOV_EXCL_STOP */</a>
<a name="186"><span class="lineNum"> 186 </span> : }</a>
<a name="187"><span class="lineNum"> 187 </span> : </a>
<a name="188"><span class="lineNum"> 188 </span><span class="lineCov"> 23268 : if (close(f) != 0) {</span></a>
<a name="189"><span class="lineNum"> 189 </span> : /* LCOV_EXCL_START */</a>
<a name="190"><span class="lineNum"> 190 </span> : log_fatal(errno, &quot;Error closing file %s\n&quot;, path);</a>
<a name="191"><span class="lineNum"> 191 </span> : exit(EXIT_FAILURE);</a>
<a name="192"><span class="lineNum"> 192 </span> : /* LCOV_EXCL_STOP */</a>
<a name="193"><span class="lineNum"> 193 </span> : }</a>
<a name="194"><span class="lineNum"> 194 </span> : </a>
<a name="195"><span class="lineNum"> 195 </span><span class="lineCov"> 23268 : free(data);</span></a>
<a name="196"><span class="lineNum"> 196 </span><span class="lineCov"> 23268 : }</span></a>
<a name="197"><span class="lineNum"> 197 </span> : </a>
<a name="198"><span class="lineNum"> 198 </span> : /**</a>
<a name="199"><span class="lineNum"> 199 </span> : * Create a symlink.</a>
<a name="200"><span class="lineNum"> 200 </span> : * - If the file already exists, it's removed.</a>
<a name="201"><span class="lineNum"> 201 </span> : */</a>
<a name="202"><span class="lineNum"> 202 </span><span class="lineCov"> 930 : void cmd_generate_symlink(const char* path, const char* linkto)</span></a>
<a name="203"><span class="lineNum"> 203 </span> : {</a>
<a name="204"><span class="lineNum"> 204 </span> : /* remove the existing file/symlink if any */</a>
<a name="205"><span class="lineNum"> 205 </span><span class="lineCov"> 930 : if (remove(path) != 0) {</span></a>
<a name="206"><span class="lineNum"> 206 </span><span class="lineCov"> 902 : if (errno != ENOENT) {</span></a>
<a name="207"><span class="lineNum"> 207 </span> : /* LCOV_EXCL_START */</a>
<a name="208"><span class="lineNum"> 208 </span> : log_fatal(errno, &quot;Error removing file %s\n&quot;, path);</a>
<a name="209"><span class="lineNum"> 209 </span> : exit(EXIT_FAILURE);</a>
<a name="210"><span class="lineNum"> 210 </span> : /* LCOV_EXCL_STOP */</a>
<a name="211"><span class="lineNum"> 211 </span> : }</a>
<a name="212"><span class="lineNum"> 212 </span> : }</a>
<a name="213"><span class="lineNum"> 213 </span> : </a>
<a name="214"><span class="lineNum"> 214 </span><span class="lineCov"> 930 : if (symlink(linkto, path) != 0) {</span></a>
<a name="215"><span class="lineNum"> 215 </span> : /* LCOV_EXCL_START */</a>
<a name="216"><span class="lineNum"> 216 </span> : log_fatal(errno, &quot;Error writing symlink %s\n&quot;, path);</a>
<a name="217"><span class="lineNum"> 217 </span> : exit(EXIT_FAILURE);</a>
<a name="218"><span class="lineNum"> 218 </span> : /* LCOV_EXCL_STOP */</a>
<a name="219"><span class="lineNum"> 219 </span> : }</a>
<a name="220"><span class="lineNum"> 220 </span><span class="lineCov"> 930 : }</span></a>
<a name="221"><span class="lineNum"> 221 </span> : </a>
<a name="222"><span class="lineNum"> 222 </span> : /**</a>
<a name="223"><span class="lineNum"> 223 </span> : * Create a file or a symlink with a random name.</a>
<a name="224"><span class="lineNum"> 224 </span> : */</a>
<a name="225"><span class="lineNum"> 225 </span><span class="lineCov"> 24000 : void cmd_generate(int disk, int size)</span></a>
<a name="226"><span class="lineNum"> 226 </span> : {</a>
<a name="227"><span class="lineNum"> 227 </span> : char path[PATH_MAX];</a>
<a name="228"><span class="lineNum"> 228 </span> : char* file;</a>
<a name="229"><span class="lineNum"> 229 </span> : </a>
<a name="230"><span class="lineNum"> 230 </span><span class="lineCov"> 24000 : snprintf(path, sizeof(path), &quot;bench/disk%d/&quot;, disk);</span></a>
<a name="231"><span class="lineNum"> 231 </span><span class="lineCov"> 24000 : file = path + strlen(path);</span></a>
<a name="232"><span class="lineNum"> 232 </span> : </a>
<a name="233"><span class="lineNum"> 233 </span> : /* add a directory */</a>
<a name="234"><span class="lineNum"> 234 </span><span class="lineCov"> 24000 : *file++ = 'a' + rnd(2);</span></a>
<a name="235"><span class="lineNum"> 235 </span><span class="lineCov"> 24000 : *file = 0;</span></a>
<a name="236"><span class="lineNum"> 236 </span> : </a>
<a name="237"><span class="lineNum"> 237 </span> : /* create it */</a>
<a name="238"><span class="lineNum"> 238 </span><span class="lineCov"> 24000 : if (mkdir(path, 0777) != 0) {</span></a>
<a name="239"><span class="lineNum"> 239 </span><span class="lineCov"> 23988 : if (errno != EEXIST) {</span></a>
<a name="240"><span class="lineNum"> 240 </span> : /* LCOV_EXCL_START */</a>
<a name="241"><span class="lineNum"> 241 </span> : log_fatal(errno, &quot;Error creating directory %s\n&quot;, path);</a>
<a name="242"><span class="lineNum"> 242 </span> : exit(EXIT_FAILURE);</a>
<a name="243"><span class="lineNum"> 243 </span> : /* LCOV_EXCL_STOP */</a>
<a name="244"><span class="lineNum"> 244 </span> : }</a>
<a name="245"><span class="lineNum"> 245 </span> : }</a>
<a name="246"><span class="lineNum"> 246 </span> : </a>
<a name="247"><span class="lineNum"> 247 </span><span class="lineCov"> 24000 : *file++ = '/';</span></a>
<a name="248"><span class="lineNum"> 248 </span> : </a>
<a name="249"><span class="lineNum"> 249 </span> : while (1) {</a>
<a name="250"><span class="lineNum"> 250 </span> : /* add a random file */</a>
<a name="251"><span class="lineNum"> 251 </span><span class="lineCov"> 25909 : rnd_name(file);</span></a>
<a name="252"><span class="lineNum"> 252 </span> : </a>
<a name="253"><span class="lineNum"> 253 </span> : /* skip some invalid file name, see http://en.wikipedia.org/wiki/Filename */</a>
<a name="254"><span class="lineNum"> 254 </span><span class="lineCov"> 25909 : if (strcmp(file, &quot;.&quot;) == 0</span></a>
<a name="255"><span class="lineNum"> 255 </span><span class="lineCov"> 25875 : || strcmp(file, &quot;..&quot;) == 0</span></a>
<a name="256"><span class="lineNum"> 256 </span><span class="lineCov"> 25875 : || strcmp(file, &quot;prn&quot;) == 0</span></a>
<a name="257"><span class="lineNum"> 257 </span><span class="lineCov"> 25875 : || strcmp(file, &quot;con&quot;) == 0</span></a>
<a name="258"><span class="lineNum"> 258 </span><span class="lineCov"> 25874 : || strcmp(file, &quot;nul&quot;) == 0</span></a>
<a name="259"><span class="lineNum"> 259 </span><span class="lineCov"> 25874 : || strcmp(file, &quot;aux&quot;) == 0</span></a>
<a name="260"><span class="lineNum"> 260 </span><span class="lineCov"> 25874 : || file[0] == ' '</span></a>
<a name="261"><span class="lineNum"> 261 </span><span class="lineCov"> 25210 : || file[strlen(file) - 1] == ' '</span></a>
<a name="262"><span class="lineNum"> 262 </span><span class="lineCov"> 24618 : || file[strlen(file) - 1] == '.'</span></a>
<a name="263"><span class="lineNum"> 263 </span> : ) {</a>
<a name="264"><span class="lineNum"> 264 </span><span class="lineCov"> 1909 : continue;</span></a>
<a name="265"><span class="lineNum"> 265 </span> : }</a>
<a name="266"><span class="lineNum"> 266 </span> : </a>
<a name="267"><span class="lineNum"> 267 </span><span class="lineCov"> 24000 : break;</span></a>
<a name="268"><span class="lineNum"> 268 </span> : }</a>
<a name="269"><span class="lineNum"> 269 </span> : </a>
<a name="270"><span class="lineNum"> 270 </span> : #ifndef WIN32 /* Windows XP doesn't support symlinks */</a>
<a name="271"><span class="lineNum"> 271 </span><span class="lineCov"> 24000 : if (rnd(32) == 0) {</span></a>
<a name="272"><span class="lineNum"> 272 </span> : /* symlink */</a>
<a name="273"><span class="lineNum"> 273 </span> : char linkto[PATH_MAX];</a>
<a name="274"><span class="lineNum"> 274 </span> : </a>
<a name="275"><span class="lineNum"> 275 </span><span class="lineCov"> 732 : rnd_name(linkto);</span></a>
<a name="276"><span class="lineNum"> 276 </span> : </a>
<a name="277"><span class="lineNum"> 277 </span><span class="lineCov"> 732 : cmd_generate_symlink(path, linkto);</span></a>
<a name="278"><span class="lineNum"> 278 </span> : } else</a>
<a name="279"><span class="lineNum"> 279 </span> : #endif</a>
<a name="280"><span class="lineNum"> 280 </span> : {</a>
<a name="281"><span class="lineNum"> 281 </span> : /* file */</a>
<a name="282"><span class="lineNum"> 282 </span><span class="lineCov"> 23268 : cmd_generate_file(path, size);</span></a>
<a name="283"><span class="lineNum"> 283 </span> : }</a>
<a name="284"><span class="lineNum"> 284 </span><span class="lineCov"> 24000 : }</span></a>
<a name="285"><span class="lineNum"> 285 </span> : </a>
<a name="286"><span class="lineNum"> 286 </span> : /**</a>
<a name="287"><span class="lineNum"> 287 </span> : * Write a partially a file.</a>
<a name="288"><span class="lineNum"> 288 </span> : * - The file must exist.</a>
<a name="289"><span class="lineNum"> 289 </span> : * - The file size is not changed.</a>
<a name="290"><span class="lineNum"> 290 </span> : * - The written data may be equal or not at the already existing one.</a>
<a name="291"><span class="lineNum"> 291 </span> : * - If it's a symlink nothing is done.</a>
<a name="292"><span class="lineNum"> 292 </span> : */</a>
<a name="293"><span class="lineNum"> 293 </span><span class="lineCov"> 6241 : void cmd_write(const char* path, int size)</span></a>
<a name="294"><span class="lineNum"> 294 </span> : {</a>
<a name="295"><span class="lineNum"> 295 </span> : struct stat st;</a>
<a name="296"><span class="lineNum"> 296 </span> : </a>
<a name="297"><span class="lineNum"> 297 </span><span class="lineCov"> 6241 : if (lstat(path, &amp;st) != 0) {</span></a>
<a name="298"><span class="lineNum"> 298 </span> : /* LCOV_EXCL_START */</a>
<a name="299"><span class="lineNum"> 299 </span> : log_fatal(errno, &quot;Error accessing %s\n&quot;, path);</a>
<a name="300"><span class="lineNum"> 300 </span> : exit(EXIT_FAILURE);</a>
<a name="301"><span class="lineNum"> 301 </span> : /* LCOV_EXCL_STOP */</a>
<a name="302"><span class="lineNum"> 302 </span> : }</a>
<a name="303"><span class="lineNum"> 303 </span> : </a>
<a name="304"><span class="lineNum"> 304 </span><span class="lineCov"> 6241 : if (S_ISREG(st.st_mode)) {</span></a>
<a name="305"><span class="lineNum"> 305 </span> : unsigned char* data;</a>
<a name="306"><span class="lineNum"> 306 </span> : off_t off;</a>
<a name="307"><span class="lineNum"> 307 </span> : int f;</a>
<a name="308"><span class="lineNum"> 308 </span> : </a>
<a name="309"><span class="lineNum"> 309 </span> : /* not over the end */</a>
<a name="310"><span class="lineNum"> 310 </span><span class="lineCov"> 6214 : if (size &gt; st.st_size)</span></a>
<a name="311"><span class="lineNum"> 311 </span><span class="lineCov"> 697 : size = st.st_size;</span></a>
<a name="312"><span class="lineNum"> 312 </span> : </a>
<a name="313"><span class="lineNum"> 313 </span> : /* start at random position inside the file */</a>
<a name="314"><span class="lineNum"> 314 </span><span class="lineCov"> 6214 : if (size &lt; st.st_size)</span></a>
<a name="315"><span class="lineNum"> 315 </span><span class="lineCov"> 5516 : off = rnd(st.st_size - size);</span></a>
<a name="316"><span class="lineNum"> 316 </span> : else</a>
<a name="317"><span class="lineNum"> 317 </span><span class="lineCov"> 698 : off = 0;</span></a>
<a name="318"><span class="lineNum"> 318 </span> : </a>
<a name="319"><span class="lineNum"> 319 </span><span class="lineCov"> 6214 : data = malloc(size);</span></a>
<a name="320"><span class="lineNum"> 320 </span> : </a>
<a name="321"><span class="lineNum"> 321 </span><span class="lineCov"> 6214 : rndnz_range(data, size);</span></a>
<a name="322"><span class="lineNum"> 322 </span> : </a>
<a name="323"><span class="lineNum"> 323 </span><span class="lineCov"> 6214 : f = open(path, O_WRONLY | O_BINARY | O_NOFOLLOW);</span></a>
<a name="324"><span class="lineNum"> 324 </span><span class="lineCov"> 6214 : if (f &lt; 0) {</span></a>
<a name="325"><span class="lineNum"> 325 </span> : /* LCOV_EXCL_START */</a>
<a name="326"><span class="lineNum"> 326 </span> : log_fatal(errno, &quot;Error creating file %s\n&quot;, path);</a>
<a name="327"><span class="lineNum"> 327 </span> : exit(EXIT_FAILURE);</a>
<a name="328"><span class="lineNum"> 328 </span> : /* LCOV_EXCL_STOP */</a>
<a name="329"><span class="lineNum"> 329 </span> : }</a>
<a name="330"><span class="lineNum"> 330 </span> : </a>
<a name="331"><span class="lineNum"> 331 </span><span class="lineCov"> 6214 : if (lseek(f, off, SEEK_SET) != off) {</span></a>
<a name="332"><span class="lineNum"> 332 </span> : /* LCOV_EXCL_START */</a>
<a name="333"><span class="lineNum"> 333 </span> : log_fatal(errno, &quot;Error seeking file %s\n&quot;, path);</a>
<a name="334"><span class="lineNum"> 334 </span> : exit(EXIT_FAILURE);</a>
<a name="335"><span class="lineNum"> 335 </span> : /* LCOV_EXCL_STOP */</a>
<a name="336"><span class="lineNum"> 336 </span> : }</a>
<a name="337"><span class="lineNum"> 337 </span> : </a>
<a name="338"><span class="lineNum"> 338 </span><span class="lineCov"> 6214 : if (write(f, data, size) != size) {</span></a>
<a name="339"><span class="lineNum"> 339 </span> : /* LCOV_EXCL_START */</a>
<a name="340"><span class="lineNum"> 340 </span> : log_fatal(errno, &quot;Error writing file %s\n&quot;, path);</a>
<a name="341"><span class="lineNum"> 341 </span> : exit(EXIT_FAILURE);</a>
<a name="342"><span class="lineNum"> 342 </span> : /* LCOV_EXCL_STOP */</a>
<a name="343"><span class="lineNum"> 343 </span> : }</a>
<a name="344"><span class="lineNum"> 344 </span> : </a>
<a name="345"><span class="lineNum"> 345 </span><span class="lineCov"> 6214 : if (close(f) != 0) {</span></a>
<a name="346"><span class="lineNum"> 346 </span> : /* LCOV_EXCL_START */</a>
<a name="347"><span class="lineNum"> 347 </span> : log_fatal(errno, &quot;Error closing file %s\n&quot;, path);</a>
<a name="348"><span class="lineNum"> 348 </span> : exit(EXIT_FAILURE);</a>
<a name="349"><span class="lineNum"> 349 </span> : /* LCOV_EXCL_STOP */</a>
<a name="350"><span class="lineNum"> 350 </span> : }</a>
<a name="351"><span class="lineNum"> 351 </span> : </a>
<a name="352"><span class="lineNum"> 352 </span><span class="lineCov"> 6214 : free(data);</span></a>
<a name="353"><span class="lineNum"> 353 </span> : }</a>
<a name="354"><span class="lineNum"> 354 </span><span class="lineCov"> 6241 : }</span></a>
<a name="355"><span class="lineNum"> 355 </span> : </a>
<a name="356"><span class="lineNum"> 356 </span> : /**</a>
<a name="357"><span class="lineNum"> 357 </span> : * Damage a file.</a>
<a name="358"><span class="lineNum"> 358 </span> : * - The file must exist.</a>
<a name="359"><span class="lineNum"> 359 </span> : * - The file size is not changed.</a>
<a name="360"><span class="lineNum"> 360 </span> : * - The written data is SURELY different than the already existing one.</a>
<a name="361"><span class="lineNum"> 361 </span> : * - The file timestamp is NOT modified.</a>
<a name="362"><span class="lineNum"> 362 </span> : * - If it's a symlink nothing is done.</a>
<a name="363"><span class="lineNum"> 363 </span> : */</a>
<a name="364"><span class="lineNum"> 364 </span><span class="lineCov"> 1882 : void cmd_damage(const char* path, int size)</span></a>
<a name="365"><span class="lineNum"> 365 </span> : {</a>
<a name="366"><span class="lineNum"> 366 </span> : struct stat st;</a>
<a name="367"><span class="lineNum"> 367 </span> : </a>
<a name="368"><span class="lineNum"> 368 </span> : /* here a 0 size means to change nothing */</a>
<a name="369"><span class="lineNum"> 369 </span> : /* as also the timestamp should not be changed */</a>
<a name="370"><span class="lineNum"> 370 </span><span class="lineCov"> 1882 : if (!size)</span></a>
<a name="371"><span class="lineNum"> 371 </span><span class="lineCov"> 3 : return;</span></a>
<a name="372"><span class="lineNum"> 372 </span> : </a>
<a name="373"><span class="lineNum"> 373 </span><span class="lineCov"> 1882 : if (lstat(path, &amp;st) != 0) {</span></a>
<a name="374"><span class="lineNum"> 374 </span> : /* LCOV_EXCL_START */</a>
<a name="375"><span class="lineNum"> 375 </span> : log_fatal(errno, &quot;Error accessing %s\n&quot;, path);</a>
<a name="376"><span class="lineNum"> 376 </span> : exit(EXIT_FAILURE);</a>
<a name="377"><span class="lineNum"> 377 </span> : /* LCOV_EXCL_STOP */</a>
<a name="378"><span class="lineNum"> 378 </span> : }</a>
<a name="379"><span class="lineNum"> 379 </span> : </a>
<a name="380"><span class="lineNum"> 380 </span><span class="lineCov"> 1882 : if (st.st_size == 0)</span></a>
<a name="381"><span class="lineNum"> 381 </span><span class="lineCov"> 3 : return;</span></a>
<a name="382"><span class="lineNum"> 382 </span> : </a>
<a name="383"><span class="lineNum"> 383 </span><span class="lineCov"> 1879 : if (S_ISREG(st.st_mode)) {</span></a>
<a name="384"><span class="lineNum"> 384 </span> : off_t off;</a>
<a name="385"><span class="lineNum"> 385 </span> : unsigned char* data;</a>
<a name="386"><span class="lineNum"> 386 </span> : int f;</a>
<a name="387"><span class="lineNum"> 387 </span> : </a>
<a name="388"><span class="lineNum"> 388 </span> : /* not over the end */</a>
<a name="389"><span class="lineNum"> 389 </span><span class="lineCov"> 1821 : if (size &gt; st.st_size)</span></a>
<a name="390"><span class="lineNum"> 390 </span><span class="lineNoCov"> 0 : size = st.st_size;</span></a>
<a name="391"><span class="lineNum"> 391 </span> : </a>
<a name="392"><span class="lineNum"> 392 </span> : /* start at random position inside the file */</a>
<a name="393"><span class="lineNum"> 393 </span><span class="lineCov"> 1821 : if (size &lt; st.st_size)</span></a>
<a name="394"><span class="lineNum"> 394 </span><span class="lineCov"> 1820 : off = rnd(st.st_size - size);</span></a>
<a name="395"><span class="lineNum"> 395 </span> : else</a>
<a name="396"><span class="lineNum"> 396 </span><span class="lineCov"> 1 : off = 0;</span></a>
<a name="397"><span class="lineNum"> 397 </span> : </a>
<a name="398"><span class="lineNum"> 398 </span><span class="lineCov"> 1821 : data = malloc(size);</span></a>
<a name="399"><span class="lineNum"> 399 </span> : </a>
<a name="400"><span class="lineNum"> 400 </span><span class="lineCov"> 1821 : f = open(path, O_RDWR | O_BINARY | O_NOFOLLOW);</span></a>
<a name="401"><span class="lineNum"> 401 </span><span class="lineCov"> 1821 : if (f &lt; 0) {</span></a>
<a name="402"><span class="lineNum"> 402 </span> : /* LCOV_EXCL_START */</a>
<a name="403"><span class="lineNum"> 403 </span> : log_fatal(errno, &quot;Error creating file %s\n&quot;, path);</a>
<a name="404"><span class="lineNum"> 404 </span> : exit(EXIT_FAILURE);</a>
<a name="405"><span class="lineNum"> 405 </span> : /* LCOV_EXCL_STOP */</a>
<a name="406"><span class="lineNum"> 406 </span> : }</a>
<a name="407"><span class="lineNum"> 407 </span> : </a>
<a name="408"><span class="lineNum"> 408 </span><span class="lineCov"> 1821 : if (lseek(f, off, SEEK_SET) != off) {</span></a>
<a name="409"><span class="lineNum"> 409 </span> : /* LCOV_EXCL_START */</a>
<a name="410"><span class="lineNum"> 410 </span> : log_fatal(errno, &quot;Error seeking file %s\n&quot;, path);</a>
<a name="411"><span class="lineNum"> 411 </span> : exit(EXIT_FAILURE);</a>
<a name="412"><span class="lineNum"> 412 </span> : /* LCOV_EXCL_STOP */</a>
<a name="413"><span class="lineNum"> 413 </span> : }</a>
<a name="414"><span class="lineNum"> 414 </span> : </a>
<a name="415"><span class="lineNum"> 415 </span><span class="lineCov"> 1821 : if (read(f, data, size) != size) {</span></a>
<a name="416"><span class="lineNum"> 416 </span> : /* LCOV_EXCL_START */</a>
<a name="417"><span class="lineNum"> 417 </span> : log_fatal(errno, &quot;Error writing file %s\n&quot;, path);</a>
<a name="418"><span class="lineNum"> 418 </span> : exit(EXIT_FAILURE);</a>
<a name="419"><span class="lineNum"> 419 </span> : /* LCOV_EXCL_STOP */</a>
<a name="420"><span class="lineNum"> 420 </span> : }</a>
<a name="421"><span class="lineNum"> 421 </span> : </a>
<a name="422"><span class="lineNum"> 422 </span><span class="lineCov"> 1821 : rndnz_damage(data, size);</span></a>
<a name="423"><span class="lineNum"> 423 </span> : </a>
<a name="424"><span class="lineNum"> 424 </span><span class="lineCov"> 1821 : if (lseek(f, off, SEEK_SET) != off) {</span></a>
<a name="425"><span class="lineNum"> 425 </span> : /* LCOV_EXCL_START */</a>
<a name="426"><span class="lineNum"> 426 </span> : log_fatal(errno, &quot;Error seeking file %s\n&quot;, path);</a>
<a name="427"><span class="lineNum"> 427 </span> : exit(EXIT_FAILURE);</a>
<a name="428"><span class="lineNum"> 428 </span> : /* LCOV_EXCL_STOP */</a>
<a name="429"><span class="lineNum"> 429 </span> : }</a>
<a name="430"><span class="lineNum"> 430 </span> : </a>
<a name="431"><span class="lineNum"> 431 </span><span class="lineCov"> 1821 : if (write(f, data, size) != size) {</span></a>
<a name="432"><span class="lineNum"> 432 </span> : /* LCOV_EXCL_START */</a>
<a name="433"><span class="lineNum"> 433 </span> : log_fatal(errno, &quot;Error writing file %s\n&quot;, path);</a>
<a name="434"><span class="lineNum"> 434 </span> : exit(EXIT_FAILURE);</a>
<a name="435"><span class="lineNum"> 435 </span> : /* LCOV_EXCL_STOP */</a>
<a name="436"><span class="lineNum"> 436 </span> : }</a>
<a name="437"><span class="lineNum"> 437 </span> : </a>
<a name="438"><span class="lineNum"> 438 </span><span class="lineCov"> 1821 : if (fallback(f, &amp;st) != 0) {</span></a>
<a name="439"><span class="lineNum"> 439 </span> : /* LCOV_EXCL_START */</a>
<a name="440"><span class="lineNum"> 440 </span> : log_fatal(errno, &quot;Error setting time for file %s\n&quot;, path);</a>
<a name="441"><span class="lineNum"> 441 </span> : exit(EXIT_FAILURE);</a>
<a name="442"><span class="lineNum"> 442 </span> : /* LCOV_EXCL_STOP */</a>
<a name="443"><span class="lineNum"> 443 </span> : }</a>
<a name="444"><span class="lineNum"> 444 </span> : </a>
<a name="445"><span class="lineNum"> 445 </span><span class="lineCov"> 1821 : if (close(f) != 0) {</span></a>
<a name="446"><span class="lineNum"> 446 </span> : /* LCOV_EXCL_START */</a>
<a name="447"><span class="lineNum"> 447 </span> : log_fatal(errno, &quot;Error closing file %s\n&quot;, path);</a>
<a name="448"><span class="lineNum"> 448 </span> : exit(EXIT_FAILURE);</a>
<a name="449"><span class="lineNum"> 449 </span> : /* LCOV_EXCL_STOP */</a>
<a name="450"><span class="lineNum"> 450 </span> : }</a>
<a name="451"><span class="lineNum"> 451 </span> : </a>
<a name="452"><span class="lineNum"> 452 </span><span class="lineCov"> 1821 : free(data);</span></a>
<a name="453"><span class="lineNum"> 453 </span> : }</a>
<a name="454"><span class="lineNum"> 454 </span> : }</a>
<a name="455"><span class="lineNum"> 455 </span> : </a>
<a name="456"><span class="lineNum"> 456 </span> : /**</a>
<a name="457"><span class="lineNum"> 457 </span> : * Append to a file.</a>
<a name="458"><span class="lineNum"> 458 </span> : * - The file must exist.</a>
<a name="459"><span class="lineNum"> 459 </span> : * - If it's a symlink nothing is done.</a>
<a name="460"><span class="lineNum"> 460 </span> : */</a>
<a name="461"><span class="lineNum"> 461 </span><span class="lineCov"> 3184 : void cmd_append(const char* path, int size)</span></a>
<a name="462"><span class="lineNum"> 462 </span> : {</a>
<a name="463"><span class="lineNum"> 463 </span> : struct stat st;</a>
<a name="464"><span class="lineNum"> 464 </span> : </a>
<a name="465"><span class="lineNum"> 465 </span><span class="lineCov"> 3184 : if (lstat(path, &amp;st) != 0) {</span></a>
<a name="466"><span class="lineNum"> 466 </span> : /* LCOV_EXCL_START */</a>
<a name="467"><span class="lineNum"> 467 </span> : log_fatal(errno, &quot;Error accessing %s\n&quot;, path);</a>
<a name="468"><span class="lineNum"> 468 </span> : exit(EXIT_FAILURE);</a>
<a name="469"><span class="lineNum"> 469 </span> : /* LCOV_EXCL_STOP */</a>
<a name="470"><span class="lineNum"> 470 </span> : }</a>
<a name="471"><span class="lineNum"> 471 </span> : </a>
<a name="472"><span class="lineNum"> 472 </span><span class="lineCov"> 3184 : if (S_ISREG(st.st_mode)) {</span></a>
<a name="473"><span class="lineNum"> 473 </span> : unsigned char* data;</a>
<a name="474"><span class="lineNum"> 474 </span> : int f;</a>
<a name="475"><span class="lineNum"> 475 </span> : </a>
<a name="476"><span class="lineNum"> 476 </span><span class="lineCov"> 3184 : data = malloc(size);</span></a>
<a name="477"><span class="lineNum"> 477 </span> : </a>
<a name="478"><span class="lineNum"> 478 </span><span class="lineCov"> 3184 : rndnz_range(data, size);</span></a>
<a name="479"><span class="lineNum"> 479 </span> : </a>
<a name="480"><span class="lineNum"> 480 </span><span class="lineCov"> 3184 : f = open(path, O_WRONLY | O_APPEND | O_BINARY | O_NOFOLLOW);</span></a>
<a name="481"><span class="lineNum"> 481 </span><span class="lineCov"> 3184 : if (f &lt; 0) {</span></a>
<a name="482"><span class="lineNum"> 482 </span> : /* LCOV_EXCL_START */</a>
<a name="483"><span class="lineNum"> 483 </span> : log_fatal(errno, &quot;Error opening file %s\n&quot;, path);</a>
<a name="484"><span class="lineNum"> 484 </span> : exit(EXIT_FAILURE);</a>
<a name="485"><span class="lineNum"> 485 </span> : /* LCOV_EXCL_STOP */</a>
<a name="486"><span class="lineNum"> 486 </span> : }</a>
<a name="487"><span class="lineNum"> 487 </span> : </a>
<a name="488"><span class="lineNum"> 488 </span><span class="lineCov"> 3184 : if (write(f, data, size) != size) {</span></a>
<a name="489"><span class="lineNum"> 489 </span> : /* LCOV_EXCL_START */</a>
<a name="490"><span class="lineNum"> 490 </span> : log_fatal(errno, &quot;Error writing file %s\n&quot;, path);</a>
<a name="491"><span class="lineNum"> 491 </span> : exit(EXIT_FAILURE);</a>
<a name="492"><span class="lineNum"> 492 </span> : /* LCOV_EXCL_STOP */</a>
<a name="493"><span class="lineNum"> 493 </span> : }</a>
<a name="494"><span class="lineNum"> 494 </span> : </a>
<a name="495"><span class="lineNum"> 495 </span><span class="lineCov"> 3184 : if (close(f) != 0) {</span></a>
<a name="496"><span class="lineNum"> 496 </span> : /* LCOV_EXCL_START */</a>
<a name="497"><span class="lineNum"> 497 </span> : log_fatal(errno, &quot;Error closing file %s\n&quot;, path);</a>
<a name="498"><span class="lineNum"> 498 </span> : exit(EXIT_FAILURE);</a>
<a name="499"><span class="lineNum"> 499 </span> : /* LCOV_EXCL_STOP */</a>
<a name="500"><span class="lineNum"> 500 </span> : }</a>
<a name="501"><span class="lineNum"> 501 </span> : </a>
<a name="502"><span class="lineNum"> 502 </span><span class="lineCov"> 3184 : free(data);</span></a>
<a name="503"><span class="lineNum"> 503 </span> : }</a>
<a name="504"><span class="lineNum"> 504 </span><span class="lineCov"> 3184 : }</span></a>
<a name="505"><span class="lineNum"> 505 </span> : </a>
<a name="506"><span class="lineNum"> 506 </span> : /**</a>
<a name="507"><span class="lineNum"> 507 </span> : * Truncate a file.</a>
<a name="508"><span class="lineNum"> 508 </span> : * - The file must exist.</a>
<a name="509"><span class="lineNum"> 509 </span> : * - The file is NEVER truncated to 0.</a>
<a name="510"><span class="lineNum"> 510 </span> : * - If it's a symlink nothing is done.</a>
<a name="511"><span class="lineNum"> 511 </span> : */</a>
<a name="512"><span class="lineNum"> 512 </span><span class="lineCov"> 3172 : void cmd_truncate(const char* path, int size)</span></a>
<a name="513"><span class="lineNum"> 513 </span> : {</a>
<a name="514"><span class="lineNum"> 514 </span> : struct stat st;</a>
<a name="515"><span class="lineNum"> 515 </span> : </a>
<a name="516"><span class="lineNum"> 516 </span><span class="lineCov"> 3172 : if (lstat(path, &amp;st) != 0) {</span></a>
<a name="517"><span class="lineNum"> 517 </span> : /* LCOV_EXCL_START */</a>
<a name="518"><span class="lineNum"> 518 </span> : log_fatal(errno, &quot;Error accessing %s\n&quot;, path);</a>
<a name="519"><span class="lineNum"> 519 </span> : exit(EXIT_FAILURE);</a>
<a name="520"><span class="lineNum"> 520 </span> : /* LCOV_EXCL_STOP */</a>
<a name="521"><span class="lineNum"> 521 </span> : }</a>
<a name="522"><span class="lineNum"> 522 </span> : </a>
<a name="523"><span class="lineNum"> 523 </span><span class="lineCov"> 3172 : if (S_ISREG(st.st_mode)) {</span></a>
<a name="524"><span class="lineNum"> 524 </span> : off_t off;</a>
<a name="525"><span class="lineNum"> 525 </span> : int f;</a>
<a name="526"><span class="lineNum"> 526 </span> : </a>
<a name="527"><span class="lineNum"> 527 </span> : /* if file is empty, just rewrite it */</a>
<a name="528"><span class="lineNum"> 528 </span><span class="lineCov"> 3172 : if (st.st_size == 0) {</span></a>
<a name="529"><span class="lineNum"> 529 </span><span class="lineCov"> 4 : size = 0;</span></a>
<a name="530"><span class="lineNum"> 530 </span> : } else {</a>
<a name="531"><span class="lineNum"> 531 </span> : /* don't truncate files to 0 size to avoid ZERO file size protection */</a>
<a name="532"><span class="lineNum"> 532 </span><span class="lineCov"> 3168 : if (size &gt;= st.st_size)</span></a>
<a name="533"><span class="lineNum"> 533 </span><span class="lineCov"> 194 : size = st.st_size - 1;</span></a>
<a name="534"><span class="lineNum"> 534 </span> : }</a>
<a name="535"><span class="lineNum"> 535 </span> : </a>
<a name="536"><span class="lineNum"> 536 </span><span class="lineCov"> 3172 : off = st.st_size - size;</span></a>
<a name="537"><span class="lineNum"> 537 </span> : </a>
<a name="538"><span class="lineNum"> 538 </span><span class="lineCov"> 3172 : f = open(path, O_WRONLY | O_BINARY | O_NOFOLLOW);</span></a>
<a name="539"><span class="lineNum"> 539 </span><span class="lineCov"> 3172 : if (f &lt; 0) {</span></a>
<a name="540"><span class="lineNum"> 540 </span> : /* LCOV_EXCL_START */</a>
<a name="541"><span class="lineNum"> 541 </span> : log_fatal(errno, &quot;Error opening file %s\n&quot;, path);</a>
<a name="542"><span class="lineNum"> 542 </span> : exit(EXIT_FAILURE);</a>
<a name="543"><span class="lineNum"> 543 </span> : /* LCOV_EXCL_STOP */</a>
<a name="544"><span class="lineNum"> 544 </span> : }</a>
<a name="545"><span class="lineNum"> 545 </span> : </a>
<a name="546"><span class="lineNum"> 546 </span><span class="lineCov"> 3172 : if (ftruncate(f, off) != 0) {</span></a>
<a name="547"><span class="lineNum"> 547 </span> : /* LCOV_EXCL_START */</a>
<a name="548"><span class="lineNum"> 548 </span> : log_fatal(errno, &quot;Error truncating file %s\n&quot;, path);</a>
<a name="549"><span class="lineNum"> 549 </span> : exit(EXIT_FAILURE);</a>
<a name="550"><span class="lineNum"> 550 </span> : /* LCOV_EXCL_STOP */</a>
<a name="551"><span class="lineNum"> 551 </span> : }</a>
<a name="552"><span class="lineNum"> 552 </span> : </a>
<a name="553"><span class="lineNum"> 553 </span><span class="lineCov"> 3172 : if (close(f) != 0) {</span></a>
<a name="554"><span class="lineNum"> 554 </span> : /* LCOV_EXCL_START */</a>
<a name="555"><span class="lineNum"> 555 </span> : log_fatal(errno, &quot;Error closing file %s\n&quot;, path);</a>
<a name="556"><span class="lineNum"> 556 </span> : exit(EXIT_FAILURE);</a>
<a name="557"><span class="lineNum"> 557 </span> : /* LCOV_EXCL_STOP */</a>
<a name="558"><span class="lineNum"> 558 </span> : }</a>
<a name="559"><span class="lineNum"> 559 </span> : }</a>
<a name="560"><span class="lineNum"> 560 </span><span class="lineCov"> 3172 : }</span></a>
<a name="561"><span class="lineNum"> 561 </span> : </a>
<a name="562"><span class="lineNum"> 562 </span> : /**</a>
<a name="563"><span class="lineNum"> 563 </span> : * Delete a file.</a>
<a name="564"><span class="lineNum"> 564 </span> : * - The file must exist.</a>
<a name="565"><span class="lineNum"> 565 </span> : */</a>
<a name="566"><span class="lineNum"> 566 </span><span class="lineCov"> 3086 : void cmd_delete(const char* path)</span></a>
<a name="567"><span class="lineNum"> 567 </span> : {</a>
<a name="568"><span class="lineNum"> 568 </span><span class="lineCov"> 3086 : if (remove(path) != 0) {</span></a>
<a name="569"><span class="lineNum"> 569 </span> : /* LCOV_EXCL_START */</a>
<a name="570"><span class="lineNum"> 570 </span> : log_fatal(errno, &quot;Error removing %s\n&quot;, path);</a>
<a name="571"><span class="lineNum"> 571 </span> : exit(EXIT_FAILURE);</a>
<a name="572"><span class="lineNum"> 572 </span> : /* LCOV_EXCL_STOP */</a>
<a name="573"><span class="lineNum"> 573 </span> : }</a>
<a name="574"><span class="lineNum"> 574 </span><span class="lineCov"> 3086 : }</span></a>
<a name="575"><span class="lineNum"> 575 </span> : </a>
<a name="576"><span class="lineNum"> 576 </span> : /**</a>
<a name="577"><span class="lineNum"> 577 </span> : * Change a file. Or deleted/truncated/append/created.</a>
<a name="578"><span class="lineNum"> 578 </span> : * - The file must exist.</a>
<a name="579"><span class="lineNum"> 579 </span> : */</a>
<a name="580"><span class="lineNum"> 580 </span><span class="lineCov"> 13064 : void cmd_change(const char* path, int size)</span></a>
<a name="581"><span class="lineNum"> 581 </span> : {</a>
<a name="582"><span class="lineNum"> 582 </span> : struct stat st;</a>
<a name="583"><span class="lineNum"> 583 </span> : </a>
<a name="584"><span class="lineNum"> 584 </span><span class="lineCov"> 13064 : if (!size)</span></a>
<a name="585"><span class="lineNum"> 585 </span><span class="lineCov"> 34 : return;</span></a>
<a name="586"><span class="lineNum"> 586 </span> : </a>
<a name="587"><span class="lineNum"> 587 </span><span class="lineCov"> 13030 : if (lstat(path, &amp;st) != 0) {</span></a>
<a name="588"><span class="lineNum"> 588 </span> : /* LCOV_EXCL_START */</a>
<a name="589"><span class="lineNum"> 589 </span> : log_fatal(errno, &quot;Error accessing %s\n&quot;, path);</a>
<a name="590"><span class="lineNum"> 590 </span> : exit(EXIT_FAILURE);</a>
<a name="591"><span class="lineNum"> 591 </span> : /* LCOV_EXCL_STOP */</a>
<a name="592"><span class="lineNum"> 592 </span> : }</a>
<a name="593"><span class="lineNum"> 593 </span> : </a>
<a name="594"><span class="lineNum"> 594 </span><span class="lineCov"> 13030 : if (S_ISLNK(st.st_mode)) {</span></a>
<a name="595"><span class="lineNum"> 595 </span> : /* symlink */</a>
<a name="596"><span class="lineNum"> 596 </span><span class="lineCov"> 396 : if (rnd(2) == 0) {</span></a>
<a name="597"><span class="lineNum"> 597 </span> : /* delete */</a>
<a name="598"><span class="lineNum"> 598 </span><span class="lineCov"> 198 : if (remove(path) != 0) {</span></a>
<a name="599"><span class="lineNum"> 599 </span> : /* LCOV_EXCL_START */</a>
<a name="600"><span class="lineNum"> 600 </span> : log_fatal(errno, &quot;Error removing %s\n&quot;, path);</a>
<a name="601"><span class="lineNum"> 601 </span> : exit(EXIT_FAILURE);</a>
<a name="602"><span class="lineNum"> 602 </span> : /* LCOV_EXCL_STOP */</a>
<a name="603"><span class="lineNum"> 603 </span> : }</a>
<a name="604"><span class="lineNum"> 604 </span> : } else {</a>
<a name="605"><span class="lineNum"> 605 </span> : /* recreate */</a>
<a name="606"><span class="lineNum"> 606 </span> : char linkto[PATH_MAX];</a>
<a name="607"><span class="lineNum"> 607 </span> : </a>
<a name="608"><span class="lineNum"> 608 </span><span class="lineCov"> 198 : if (remove(path) != 0) {</span></a>
<a name="609"><span class="lineNum"> 609 </span> : /* LCOV_EXCL_START */</a>
<a name="610"><span class="lineNum"> 610 </span> : log_fatal(errno, &quot;Error removing %s\n&quot;, path);</a>
<a name="611"><span class="lineNum"> 611 </span> : exit(EXIT_FAILURE);</a>
<a name="612"><span class="lineNum"> 612 </span> : /* LCOV_EXCL_STOP */</a>
<a name="613"><span class="lineNum"> 613 </span> : }</a>
<a name="614"><span class="lineNum"> 614 </span> : </a>
<a name="615"><span class="lineNum"> 615 </span><span class="lineCov"> 198 : rnd_name(linkto);</span></a>
<a name="616"><span class="lineNum"> 616 </span> : </a>
<a name="617"><span class="lineNum"> 617 </span><span class="lineCov"> 198 : cmd_generate_symlink(path, linkto);</span></a>
<a name="618"><span class="lineNum"> 618 </span> : }</a>
<a name="619"><span class="lineNum"> 619 </span><span class="lineCov"> 12634 : } else if (S_ISREG(st.st_mode)) {</span></a>
<a name="620"><span class="lineNum"> 620 </span> : int r;</a>
<a name="621"><span class="lineNum"> 621 </span> : </a>
<a name="622"><span class="lineNum"> 622 </span><span class="lineCov"> 12634 : r = rnd(4);</span></a>
<a name="623"><span class="lineNum"> 623 </span> : </a>
<a name="624"><span class="lineNum"> 624 </span><span class="lineCov"> 12634 : if (r == 0) {</span></a>
<a name="625"><span class="lineNum"> 625 </span><span class="lineCov"> 3192 : cmd_write(path, size);</span></a>
<a name="626"><span class="lineNum"> 626 </span><span class="lineCov"> 9442 : } else if (r == 1) {</span></a>
<a name="627"><span class="lineNum"> 627 </span><span class="lineCov"> 3184 : cmd_append(path, size);</span></a>
<a name="628"><span class="lineNum"> 628 </span><span class="lineCov"> 6258 : } else if (r == 2) {</span></a>
<a name="629"><span class="lineNum"> 629 </span><span class="lineCov"> 3172 : cmd_truncate(path, size);</span></a>
<a name="630"><span class="lineNum"> 630 </span> : } else {</a>
<a name="631"><span class="lineNum"> 631 </span><span class="lineCov"> 3086 : cmd_delete(path);</span></a>
<a name="632"><span class="lineNum"> 632 </span> : }</a>
<a name="633"><span class="lineNum"> 633 </span> : }</a>
<a name="634"><span class="lineNum"> 634 </span> : }</a>
<a name="635"><span class="lineNum"> 635 </span> : </a>
<a name="636"><span class="lineNum"> 636 </span><span class="lineCov"> 1 : void help(void)</span></a>
<a name="637"><span class="lineNum"> 637 </span> : {</a>
<a name="638"><span class="lineNum"> 638 </span><span class="lineCov"> 1 : printf(&quot;Test for &quot; PACKAGE &quot; v&quot; VERSION &quot; by Andrea Mazzoleni, &quot; PACKAGE_URL &quot;\n&quot;);</span></a>
<a name="639"><span class="lineNum"> 639 </span><span class="lineCov"> 1 : printf(&quot;Usage:\n&quot;);</span></a>
<a name="640"><span class="lineNum"> 640 </span><span class="lineCov"> 1 : printf(&quot;\tmktest generate SEED DISK_NUM FILE_NUM FILE_SIZE\n&quot;);</span></a>
<a name="641"><span class="lineNum"> 641 </span><span class="lineCov"> 1 : printf(&quot;\tmktest damage SEED NUM SIZE FILE\n&quot;);</span></a>
<a name="642"><span class="lineNum"> 642 </span><span class="lineCov"> 1 : printf(&quot;\tmktest write SEED NUM SIZE FILE\n&quot;);</span></a>
<a name="643"><span class="lineNum"> 643 </span><span class="lineCov"> 1 : printf(&quot;\tmktest change SEED SIZE FILE\n&quot;);</span></a>
<a name="644"><span class="lineNum"> 644 </span><span class="lineCov"> 1 : printf(&quot;\tmktest append SEED SIZE FILE\n&quot;);</span></a>
<a name="645"><span class="lineNum"> 645 </span><span class="lineCov"> 1 : printf(&quot;\tmktest truncate SEED SIZE FILE\n&quot;);</span></a>
<a name="646"><span class="lineNum"> 646 </span><span class="lineCov"> 1 : }</span></a>
<a name="647"><span class="lineNum"> 647 </span> : </a>
<a name="648"><span class="lineNum"> 648 </span><span class="lineCov"> 22 : int main(int argc, char* argv[])</span></a>
<a name="649"><span class="lineNum"> 649 </span> : {</a>
<a name="650"><span class="lineNum"> 650 </span> : int i, j, b;</a>
<a name="651"><span class="lineNum"> 651 </span> : </a>
<a name="652"><span class="lineNum"> 652 </span><span class="lineCov"> 22 : lock_init();</span></a>
<a name="653"><span class="lineNum"> 653 </span> : </a>
<a name="654"><span class="lineNum"> 654 </span><span class="lineCov"> 22 : if (argc &lt; 2) {</span></a>
<a name="655"><span class="lineNum"> 655 </span><span class="lineCov"> 1 : help();</span></a>
<a name="656"><span class="lineNum"> 656 </span><span class="lineCov"> 1 : exit(EXIT_SUCCESS);</span></a>
<a name="657"><span class="lineNum"> 657 </span> : }</a>
<a name="658"><span class="lineNum"> 658 </span> : </a>
<a name="659"><span class="lineNum"> 659 </span><span class="lineCov"> 21 : if (strcmp(argv[1], &quot;generate&quot;) == 0) {</span></a>
<a name="660"><span class="lineNum"> 660 </span> : int disk, file, size;</a>
<a name="661"><span class="lineNum"> 661 </span> : </a>
<a name="662"><span class="lineNum"> 662 </span><span class="lineCov"> 4 : if (argc != 6) {</span></a>
<a name="663"><span class="lineNum"> 663 </span> : /* LCOV_EXCL_START */</a>
<a name="664"><span class="lineNum"> 664 </span> : help();</a>
<a name="665"><span class="lineNum"> 665 </span> : exit(EXIT_FAILURE);</a>
<a name="666"><span class="lineNum"> 666 </span> : /* LCOV_EXCL_STOP */</a>
<a name="667"><span class="lineNum"> 667 </span> : }</a>
<a name="668"><span class="lineNum"> 668 </span> : </a>
<a name="669"><span class="lineNum"> 669 </span><span class="lineCov"> 4 : seed = atoi(argv[2]);</span></a>
<a name="670"><span class="lineNum"> 670 </span><span class="lineCov"> 4 : disk = atoi(argv[3]);</span></a>
<a name="671"><span class="lineNum"> 671 </span><span class="lineCov"> 4 : file = atoi(argv[4]);</span></a>
<a name="672"><span class="lineNum"> 672 </span><span class="lineCov"> 4 : size = atoi(argv[5]);</span></a>
<a name="673"><span class="lineNum"> 673 </span> : </a>
<a name="674"><span class="lineNum"> 674 </span><span class="lineCov"> 28 : for (i = 0; i &lt; disk; ++i) {</span></a>
<a name="675"><span class="lineNum"> 675 </span><span class="lineCov"> 24024 : for (j = 0; j &lt; file; ++j) {</span></a>
<a name="676"><span class="lineNum"> 676 </span><span class="lineCov"> 24000 : if (j == 0)</span></a>
<a name="677"><span class="lineNum"> 677 </span> : /* create at least a big one */</a>
<a name="678"><span class="lineNum"> 678 </span><span class="lineCov"> 24 : cmd_generate(i + 1, size);</span></a>
<a name="679"><span class="lineNum"> 679 </span><span class="lineCov"> 23976 : else if (j == 1)</span></a>
<a name="680"><span class="lineNum"> 680 </span> : /* create at least an empty one */</a>
<a name="681"><span class="lineNum"> 681 </span><span class="lineCov"> 24 : cmd_generate(i + 1, 0);</span></a>
<a name="682"><span class="lineNum"> 682 </span> : else</a>
<a name="683"><span class="lineNum"> 683 </span><span class="lineCov"> 23952 : cmd_generate(i + 1, rnd(size));</span></a>
<a name="684"><span class="lineNum"> 684 </span> : }</a>
<a name="685"><span class="lineNum"> 685 </span> : }</a>
<a name="686"><span class="lineNum"> 686 </span><span class="lineCov"> 17 : } else if (strcmp(argv[1], &quot;write&quot;) == 0) {</span></a>
<a name="687"><span class="lineNum"> 687 </span> : int fail, size;</a>
<a name="688"><span class="lineNum"> 688 </span> : </a>
<a name="689"><span class="lineNum"> 689 </span><span class="lineCov"> 7 : if (argc &lt; 6) {</span></a>
<a name="690"><span class="lineNum"> 690 </span> : /* LCOV_EXCL_START */</a>
<a name="691"><span class="lineNum"> 691 </span> : help();</a>
<a name="692"><span class="lineNum"> 692 </span> : exit(EXIT_FAILURE);</a>
<a name="693"><span class="lineNum"> 693 </span> : /* LCOV_EXCL_STOP */</a>
<a name="694"><span class="lineNum"> 694 </span> : }</a>
<a name="695"><span class="lineNum"> 695 </span> : </a>
<a name="696"><span class="lineNum"> 696 </span><span class="lineCov"> 7 : seed = atoi(argv[2]);</span></a>
<a name="697"><span class="lineNum"> 697 </span><span class="lineCov"> 7 : fail = atoi(argv[3]);</span></a>
<a name="698"><span class="lineNum"> 698 </span><span class="lineCov"> 7 : size = atoi(argv[4]);</span></a>
<a name="699"><span class="lineNum"> 699 </span><span class="lineCov"> 7 : b = 5;</span></a>
<a name="700"><span class="lineNum"> 700 </span> : </a>
<a name="701"><span class="lineNum"> 701 </span> : /* sort the file names */</a>
<a name="702"><span class="lineNum"> 702 </span><span class="lineCov"> 7 : qsort(&amp;argv[b], argc - b, sizeof(argv[b]), file_cmp);</span></a>
<a name="703"><span class="lineNum"> 703 </span> : </a>
<a name="704"><span class="lineNum"> 704 </span><span class="lineCov"> 977 : for (i = b; i &lt; argc; ++i)</span></a>
<a name="705"><span class="lineNum"> 705 </span><span class="lineCov"> 4019 : for (j = 0; j &lt; fail; ++j)</span></a>
<a name="706"><span class="lineNum"> 706 </span><span class="lineCov"> 3049 : cmd_write(argv[i], rndnz(size));</span></a>
<a name="707"><span class="lineNum"> 707 </span><span class="lineCov"> 10 : } else if (strcmp(argv[1], &quot;damage&quot;) == 0) {</span></a>
<a name="708"><span class="lineNum"> 708 </span> : int fail, size;</a>
<a name="709"><span class="lineNum"> 709 </span> : </a>
<a name="710"><span class="lineNum"> 710 </span><span class="lineCov"> 3 : if (argc &lt; 6) {</span></a>
<a name="711"><span class="lineNum"> 711 </span> : /* LCOV_EXCL_START */</a>
<a name="712"><span class="lineNum"> 712 </span> : help();</a>
<a name="713"><span class="lineNum"> 713 </span> : exit(EXIT_FAILURE);</a>
<a name="714"><span class="lineNum"> 714 </span> : /* LCOV_EXCL_STOP */</a>
<a name="715"><span class="lineNum"> 715 </span> : }</a>
<a name="716"><span class="lineNum"> 716 </span> : </a>
<a name="717"><span class="lineNum"> 717 </span><span class="lineCov"> 3 : seed = atoi(argv[2]);</span></a>
<a name="718"><span class="lineNum"> 718 </span><span class="lineCov"> 3 : fail = atoi(argv[3]);</span></a>
<a name="719"><span class="lineNum"> 719 </span><span class="lineCov"> 3 : size = atoi(argv[4]);</span></a>
<a name="720"><span class="lineNum"> 720 </span><span class="lineCov"> 3 : b = 5;</span></a>
<a name="721"><span class="lineNum"> 721 </span> : </a>
<a name="722"><span class="lineNum"> 722 </span> : /* sort the file names */</a>
<a name="723"><span class="lineNum"> 723 </span><span class="lineCov"> 3 : qsort(&amp;argv[b], argc - b, sizeof(argv[b]), file_cmp);</span></a>
<a name="724"><span class="lineNum"> 724 </span> : </a>
<a name="725"><span class="lineNum"> 725 </span><span class="lineCov"> 1885 : for (i = b; i &lt; argc; ++i)</span></a>
<a name="726"><span class="lineNum"> 726 </span><span class="lineCov"> 3764 : for (j = 0; j &lt; fail; ++j)</span></a>
<a name="727"><span class="lineNum"> 727 </span><span class="lineCov"> 1882 : cmd_damage(argv[i], rndnz(size)); /* at least one byte */</span></a>
<a name="728"><span class="lineNum"> 728 </span><span class="lineCov"> 7 : } else if (strcmp(argv[1], &quot;append&quot;) == 0) {</span></a>
<a name="729"><span class="lineNum"> 729 </span> : int size;</a>
<a name="730"><span class="lineNum"> 730 </span> : </a>
<a name="731"><span class="lineNum"> 731 </span><span class="lineNoCov"> 0 : if (argc &lt; 5) {</span></a>
<a name="732"><span class="lineNum"> 732 </span> : /* LCOV_EXCL_START */</a>
<a name="733"><span class="lineNum"> 733 </span> : help();</a>
<a name="734"><span class="lineNum"> 734 </span> : exit(EXIT_FAILURE);</a>
<a name="735"><span class="lineNum"> 735 </span> : /* LCOV_EXCL_STOP */</a>
<a name="736"><span class="lineNum"> 736 </span> : }</a>
<a name="737"><span class="lineNum"> 737 </span> : </a>
<a name="738"><span class="lineNum"> 738 </span><span class="lineNoCov"> 0 : seed = atoi(argv[2]);</span></a>
<a name="739"><span class="lineNum"> 739 </span><span class="lineNoCov"> 0 : size = atoi(argv[3]);</span></a>
<a name="740"><span class="lineNum"> 740 </span><span class="lineNoCov"> 0 : b = 4;</span></a>
<a name="741"><span class="lineNum"> 741 </span> : </a>
<a name="742"><span class="lineNum"> 742 </span> : /* sort the file names */</a>
<a name="743"><span class="lineNum"> 743 </span><span class="lineNoCov"> 0 : qsort(&amp;argv[b], argc - b, sizeof(argv[b]), file_cmp);</span></a>
<a name="744"><span class="lineNum"> 744 </span> : </a>
<a name="745"><span class="lineNum"> 745 </span><span class="lineNoCov"> 0 : for (i = b; i &lt; argc; ++i)</span></a>
<a name="746"><span class="lineNum"> 746 </span><span class="lineNoCov"> 0 : cmd_append(argv[i], rndnz(size)); /* at least one byte */</span></a>
<a name="747"><span class="lineNum"> 747 </span><span class="lineCov"> 7 : } else if (strcmp(argv[1], &quot;truncate&quot;) == 0) {</span></a>
<a name="748"><span class="lineNum"> 748 </span> : int size;</a>
<a name="749"><span class="lineNum"> 749 </span> : </a>
<a name="750"><span class="lineNum"> 750 </span><span class="lineNoCov"> 0 : if (argc &lt; 5) {</span></a>
<a name="751"><span class="lineNum"> 751 </span> : /* LCOV_EXCL_START */</a>
<a name="752"><span class="lineNum"> 752 </span> : help();</a>
<a name="753"><span class="lineNum"> 753 </span> : exit(EXIT_FAILURE);</a>
<a name="754"><span class="lineNum"> 754 </span> : /* LCOV_EXCL_STOP */</a>
<a name="755"><span class="lineNum"> 755 </span> : }</a>
<a name="756"><span class="lineNum"> 756 </span> : </a>
<a name="757"><span class="lineNum"> 757 </span><span class="lineNoCov"> 0 : seed = atoi(argv[2]);</span></a>
<a name="758"><span class="lineNum"> 758 </span><span class="lineNoCov"> 0 : size = atoi(argv[3]);</span></a>
<a name="759"><span class="lineNum"> 759 </span><span class="lineNoCov"> 0 : b = 4;</span></a>
<a name="760"><span class="lineNum"> 760 </span> : </a>
<a name="761"><span class="lineNum"> 761 </span> : /* sort the file names */</a>
<a name="762"><span class="lineNum"> 762 </span><span class="lineNoCov"> 0 : qsort(&amp;argv[b], argc - b, sizeof(argv[b]), file_cmp);</span></a>
<a name="763"><span class="lineNum"> 763 </span> : </a>
<a name="764"><span class="lineNum"> 764 </span><span class="lineNoCov"> 0 : for (i = b; i &lt; argc; ++i)</span></a>
<a name="765"><span class="lineNum"> 765 </span><span class="lineNoCov"> 0 : cmd_truncate(argv[i], rnd(size));</span></a>
<a name="766"><span class="lineNum"> 766 </span><span class="lineCov"> 7 : } else if (strcmp(argv[1], &quot;change&quot;) == 0) {</span></a>
<a name="767"><span class="lineNum"> 767 </span> : int size;</a>
<a name="768"><span class="lineNum"> 768 </span> : </a>
<a name="769"><span class="lineNum"> 769 </span><span class="lineCov"> 7 : if (argc &lt; 5) {</span></a>
<a name="770"><span class="lineNum"> 770 </span> : /* LCOV_EXCL_START */</a>
<a name="771"><span class="lineNum"> 771 </span> : help();</a>
<a name="772"><span class="lineNum"> 772 </span> : exit(EXIT_FAILURE);</a>
<a name="773"><span class="lineNum"> 773 </span> : /* LCOV_EXCL_STOP */</a>
<a name="774"><span class="lineNum"> 774 </span> : }</a>
<a name="775"><span class="lineNum"> 775 </span> : </a>
<a name="776"><span class="lineNum"> 776 </span><span class="lineCov"> 7 : seed = atoi(argv[2]);</span></a>
<a name="777"><span class="lineNum"> 777 </span><span class="lineCov"> 7 : size = atoi(argv[3]);</span></a>
<a name="778"><span class="lineNum"> 778 </span><span class="lineCov"> 7 : b = 4;</span></a>
<a name="779"><span class="lineNum"> 779 </span> : </a>
<a name="780"><span class="lineNum"> 780 </span> : /* sort the file names */</a>
<a name="781"><span class="lineNum"> 781 </span><span class="lineCov"> 7 : qsort(&amp;argv[b], argc - b, sizeof(argv[b]), file_cmp);</span></a>
<a name="782"><span class="lineNum"> 782 </span> : </a>
<a name="783"><span class="lineNum"> 783 </span><span class="lineCov"> 13071 : for (i = b; i &lt; argc; ++i)</span></a>
<a name="784"><span class="lineNum"> 784 </span><span class="lineCov"> 13064 : cmd_change(argv[i], rnd(size));</span></a>
<a name="785"><span class="lineNum"> 785 </span> : } else {</a>
<a name="786"><span class="lineNum"> 786 </span> : /* LCOV_EXCL_START */</a>
<a name="787"><span class="lineNum"> 787 </span> : help();</a>
<a name="788"><span class="lineNum"> 788 </span> : exit(EXIT_FAILURE);</a>
<a name="789"><span class="lineNum"> 789 </span> : /* LCOV_EXCL_STOP */</a>
<a name="790"><span class="lineNum"> 790 </span> : }</a>
<a name="791"><span class="lineNum"> 791 </span> : </a>
<a name="792"><span class="lineNum"> 792 </span><span class="lineCov"> 21 : lock_done();</span></a>
<a name="793"><span class="lineNum"> 793 </span> : </a>
<a name="794"><span class="lineNum"> 794 </span><span class="lineCov"> 21 : return 0;</span></a>
<a name="795"><span class="lineNum"> 795 </span> : }</a>
<a name="796"><span class="lineNum"> 796 </span> : </a>
</pre>
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