snapraid/cov/cmdline/support.c.gcov.html
Andrea Mazzoleni e01ca1e0fa Auto update
2016-11-21 19:48:21 +01:00

1743 lines
154 KiB
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<title>LCOV - lcov.info - cmdline/support.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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<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> - support.c<span style="font-size: 80%;"> (source / <a href="support.c.func.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">441</td>
<td class="headerCovTableEntry">550</td>
<td class="headerCovTableEntryMed">80.2 %</td>
</tr>
<tr>
<td class="headerItem">Date:</td>
<td class="headerValue">2016-11-21</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">60</td>
<td class="headerCovTableEntry">62</td>
<td class="headerCovTableEntryHi">96.8 %</td>
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<tr><td><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>
<span class="lineNum"> 2 </span> : * Copyright (C) 2011 Andrea Mazzoleni
<span class="lineNum"> 3 </span> : *
<span class="lineNum"> 4 </span> : * This program is free software: you can redistribute it and/or modify
<span class="lineNum"> 5 </span> : * it under the terms of the GNU General Public License as published by
<span class="lineNum"> 6 </span> : * the Free Software Foundation, either version 3 of the License, or
<span class="lineNum"> 7 </span> : * (at your option) any later version.
<span class="lineNum"> 8 </span> : *
<span class="lineNum"> 9 </span> : * This program is distributed in the hope that it will be useful,
<span class="lineNum"> 10 </span> : * but WITHOUT ANY WARRANTY; without even the implied warranty of
<span class="lineNum"> 11 </span> : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<span class="lineNum"> 12 </span> : * GNU General Public License for more details.
<span class="lineNum"> 13 </span> : *
<span class="lineNum"> 14 </span> : * You should have received a copy of the GNU General Public License
<span class="lineNum"> 15 </span> : * along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.
<span class="lineNum"> 16 </span> : */
<span class="lineNum"> 17 </span> :
<span class="lineNum"> 18 </span> : #include &quot;portable.h&quot;
<span class="lineNum"> 19 </span> :
<span class="lineNum"> 20 </span> : #include &quot;support.h&quot;
<span class="lineNum"> 21 </span> :
<span class="lineNum"> 22 </span> : /****************************************************************************/
<span class="lineNum"> 23 </span> : /* lock */
<span class="lineNum"> 24 </span> :
<span class="lineNum"> 25 </span> : /**
<span class="lineNum"> 26 </span> : * Locks used externally.
<span class="lineNum"> 27 </span> : */
<span class="lineNum"> 28 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 29 </span> : static pthread_mutex_t msg_lock;
<span class="lineNum"> 30 </span> : static pthread_mutex_t memory_lock;
<a name="31"><span class="lineNum"> 31 </span> : #endif</a>
<span class="lineNum"> 32 </span> :
<span class="lineNum"> 33 </span><span class="lineCov"> 3887334 : void lock_msg(void)</span>
<span class="lineNum"> 34 </span> : {
<span class="lineNum"> 35 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 36 </span><span class="lineCov"> 3887334 : thread_mutex_lock(&amp;msg_lock);</span>
<span class="lineNum"> 37 </span> : #endif
<a name="38"><span class="lineNum"> 38 </span><span class="lineCov"> 3887334 : }</span></a>
<span class="lineNum"> 39 </span> :
<span class="lineNum"> 40 </span><span class="lineCov"> 3887334 : void unlock_msg(void)</span>
<span class="lineNum"> 41 </span> : {
<span class="lineNum"> 42 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 43 </span><span class="lineCov"> 3887334 : thread_mutex_unlock(&amp;msg_lock);</span>
<span class="lineNum"> 44 </span> : #endif
<a name="45"><span class="lineNum"> 45 </span><span class="lineCov"> 3887334 : }</span></a>
<span class="lineNum"> 46 </span> :
<span class="lineNum"> 47 </span><span class="lineCov"> 20173887 : void lock_memory(void)</span>
<span class="lineNum"> 48 </span> : {
<span class="lineNum"> 49 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 50 </span><span class="lineCov"> 20173887 : thread_mutex_lock(&amp;memory_lock);</span>
<span class="lineNum"> 51 </span> : #endif
<a name="52"><span class="lineNum"> 52 </span><span class="lineCov"> 20173887 : }</span></a>
<span class="lineNum"> 53 </span> :
<span class="lineNum"> 54 </span><span class="lineCov"> 20173887 : void unlock_memory(void)</span>
<span class="lineNum"> 55 </span> : {
<span class="lineNum"> 56 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 57 </span><span class="lineCov"> 20173887 : thread_mutex_unlock(&amp;memory_lock);</span>
<span class="lineNum"> 58 </span> : #endif
<a name="59"><span class="lineNum"> 59 </span><span class="lineCov"> 20173887 : }</span></a>
<span class="lineNum"> 60 </span> :
<span class="lineNum"> 61 </span><span class="lineCov"> 299 : void lock_init(void)</span>
<span class="lineNum"> 62 </span> : {
<span class="lineNum"> 63 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 64 </span> : /* initialize the locks as first operation as log_fatal depends on them */
<span class="lineNum"> 65 </span><span class="lineCov"> 299 : thread_mutex_init(&amp;msg_lock, 0);</span>
<span class="lineNum"> 66 </span><span class="lineCov"> 299 : thread_mutex_init(&amp;memory_lock, 0);</span>
<span class="lineNum"> 67 </span> : #endif
<a name="68"><span class="lineNum"> 68 </span><span class="lineCov"> 299 : }</span></a>
<span class="lineNum"> 69 </span> :
<span class="lineNum"> 70 </span><span class="lineCov"> 264 : void lock_done(void)</span>
<span class="lineNum"> 71 </span> : {
<span class="lineNum"> 72 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 73 </span><span class="lineCov"> 264 : thread_mutex_destroy(&amp;msg_lock);</span>
<span class="lineNum"> 74 </span><span class="lineCov"> 264 : thread_mutex_destroy(&amp;memory_lock);</span>
<span class="lineNum"> 75 </span> : #endif
<span class="lineNum"> 76 </span><span class="lineCov"> 264 : }</span>
<span class="lineNum"> 77 </span> :
<span class="lineNum"> 78 </span> : /****************************************************************************/
<span class="lineNum"> 79 </span> : /* print */
<span class="lineNum"> 80 </span> :
<span class="lineNum"> 81 </span> : int msg_level = 0;
<span class="lineNum"> 82 </span> :
<span class="lineNum"> 83 </span> : /*
<span class="lineNum"> 84 </span> : * Note that in the following functions we always flush both
<span class="lineNum"> 85 </span> : * stdout and stderr, because we want to ensure that they mixes
<span class="lineNum"> 86 </span> : * well when redirected to files
<span class="lineNum"> 87 </span> : *
<span class="lineNum"> 88 </span> : * The buffering is similar at the &quot;line buffered&quot; one, that
<span class="lineNum"> 89 </span> : * is not available on Windows, so we emulate it in this way.
<span class="lineNum"> 90 </span> : *
<span class="lineNum"> 91 </span> : * For stdlog flushing is limited. To ensure flushing the
<span class="lineNum"> 92 </span> : * caller should use log_flush().
<a name="93"><span class="lineNum"> 93 </span> : */</a>
<span class="lineNum"> 94 </span> :
<span class="lineNum"> 95 </span><span class="lineCov"> 809 : void log_fatal(const char* format, ...)</span>
<span class="lineNum"> 96 </span> : {
<span class="lineNum"> 97 </span> : va_list ap;
<span class="lineNum"> 98 </span> :
<span class="lineNum"> 99 </span><span class="lineCov"> 809 : lock_msg();</span>
<span class="lineNum"> 100 </span> :
<span class="lineNum"> 101 </span><span class="lineCov"> 809 : if (stdlog) {</span>
<span class="lineNum"> 102 </span><span class="lineCov"> 95 : va_start(ap, format);</span>
<span class="lineNum"> 103 </span><span class="lineCov"> 95 : fprintf(stdlog, &quot;msg:fatal: &quot;);</span>
<span class="lineNum"> 104 </span><span class="lineCov"> 95 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 105 </span><span class="lineCov"> 95 : fflush(stdlog);</span>
<span class="lineNum"> 106 </span><span class="lineCov"> 95 : va_end(ap);</span>
<span class="lineNum"> 107 </span> : }
<span class="lineNum"> 108 </span> :
<span class="lineNum"> 109 </span><span class="lineCov"> 809 : va_start(ap, format);</span>
<span class="lineNum"> 110 </span><span class="lineCov"> 809 : vfprintf(stderr, format, ap);</span>
<span class="lineNum"> 111 </span><span class="lineCov"> 809 : fflush(stderr);</span>
<span class="lineNum"> 112 </span><span class="lineCov"> 809 : va_end(ap);</span>
<span class="lineNum"> 113 </span> :
<span class="lineNum"> 114 </span><span class="lineCov"> 809 : unlock_msg();</span>
<a name="115"><span class="lineNum"> 115 </span><span class="lineCov"> 809 : }</span></a>
<span class="lineNum"> 116 </span> :
<span class="lineNum"> 117 </span><span class="lineCov"> 536048 : void log_error(const char* format, ...)</span>
<span class="lineNum"> 118 </span> : {
<span class="lineNum"> 119 </span> : va_list ap;
<span class="lineNum"> 120 </span> :
<span class="lineNum"> 121 </span><span class="lineCov"> 536048 : lock_msg();</span>
<span class="lineNum"> 122 </span> :
<span class="lineNum"> 123 </span><span class="lineCov"> 536048 : if (stdlog) {</span>
<span class="lineNum"> 124 </span><span class="lineCov"> 534168 : va_start(ap, format);</span>
<span class="lineNum"> 125 </span><span class="lineCov"> 534168 : fprintf(stdlog, &quot;msg:error: &quot;);</span>
<span class="lineNum"> 126 </span><span class="lineCov"> 534168 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 127 </span><span class="lineCov"> 534168 : fflush(stdlog);</span>
<span class="lineNum"> 128 </span><span class="lineCov"> 534168 : va_end(ap);</span>
<span class="lineNum"> 129 </span> : } else {
<span class="lineNum"> 130 </span><span class="lineCov"> 1880 : va_start(ap, format);</span>
<span class="lineNum"> 131 </span><span class="lineCov"> 1880 : vfprintf(stderr, format, ap);</span>
<span class="lineNum"> 132 </span><span class="lineCov"> 1880 : fflush(stderr);</span>
<span class="lineNum"> 133 </span><span class="lineCov"> 1880 : va_end(ap);</span>
<span class="lineNum"> 134 </span> : }
<span class="lineNum"> 135 </span> :
<span class="lineNum"> 136 </span><span class="lineCov"> 536048 : unlock_msg();</span>
<a name="137"><span class="lineNum"> 137 </span><span class="lineCov"> 536048 : }</span></a>
<span class="lineNum"> 138 </span> :
<span class="lineNum"> 139 </span><span class="lineCov"> 11259 : void log_expected(const char* format, ...)</span>
<span class="lineNum"> 140 </span> : {
<span class="lineNum"> 141 </span> : va_list ap;
<span class="lineNum"> 142 </span> :
<span class="lineNum"> 143 </span><span class="lineCov"> 11259 : lock_msg();</span>
<span class="lineNum"> 144 </span> :
<span class="lineNum"> 145 </span><span class="lineCov"> 11259 : if (stdlog) {</span>
<span class="lineNum"> 146 </span><span class="lineCov"> 11259 : va_start(ap, format);</span>
<span class="lineNum"> 147 </span><span class="lineCov"> 11259 : fprintf(stdlog, &quot;msg:expected: &quot;);</span>
<span class="lineNum"> 148 </span><span class="lineCov"> 11259 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 149 </span><span class="lineCov"> 11259 : fflush(stdlog);</span>
<span class="lineNum"> 150 </span><span class="lineCov"> 11259 : va_end(ap);</span>
<span class="lineNum"> 151 </span> : }
<span class="lineNum"> 152 </span> :
<span class="lineNum"> 153 </span><span class="lineCov"> 11259 : unlock_msg();</span>
<a name="154"><span class="lineNum"> 154 </span><span class="lineCov"> 11259 : }</span></a>
<span class="lineNum"> 155 </span> :
<span class="lineNum"> 156 </span><span class="lineCov"> 2907727 : void log_tag(const char* format, ...)</span>
<span class="lineNum"> 157 </span> : {
<span class="lineNum"> 158 </span> : va_list ap;
<span class="lineNum"> 159 </span> :
<span class="lineNum"> 160 </span><span class="lineCov"> 2907727 : lock_msg();</span>
<span class="lineNum"> 161 </span> :
<span class="lineNum"> 162 </span><span class="lineCov"> 2907727 : if (stdlog) {</span>
<span class="lineNum"> 163 </span><span class="lineCov"> 2571717 : va_start(ap, format);</span>
<span class="lineNum"> 164 </span><span class="lineCov"> 2571717 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 165 </span> : /* here we intentionally don't flush */
<span class="lineNum"> 166 </span> : /* to make the output faster */
<span class="lineNum"> 167 </span><span class="lineCov"> 2571717 : va_end(ap);</span>
<span class="lineNum"> 168 </span> : }
<span class="lineNum"> 169 </span> :
<span class="lineNum"> 170 </span><span class="lineCov"> 2907727 : unlock_msg();</span>
<a name="171"><span class="lineNum"> 171 </span><span class="lineCov"> 2907727 : }</span></a>
<span class="lineNum"> 172 </span> :
<span class="lineNum"> 173 </span><span class="lineCov"> 1200 : void log_flush(void)</span>
<span class="lineNum"> 174 </span> : {
<span class="lineNum"> 175 </span><span class="lineCov"> 1200 : lock_msg();</span>
<span class="lineNum"> 176 </span> :
<span class="lineNum"> 177 </span><span class="lineCov"> 1200 : if (stdlog)</span>
<span class="lineNum"> 178 </span><span class="lineCov"> 339 : fflush(stdlog);</span>
<span class="lineNum"> 179 </span><span class="lineCov"> 1200 : fflush(stdout);</span>
<span class="lineNum"> 180 </span><span class="lineCov"> 1200 : fflush(stderr);</span>
<span class="lineNum"> 181 </span> :
<span class="lineNum"> 182 </span><span class="lineCov"> 1200 : unlock_msg();</span>
<a name="183"><span class="lineNum"> 183 </span><span class="lineCov"> 1200 : }</span></a>
<span class="lineNum"> 184 </span> :
<span class="lineNum"> 185 </span><span class="lineCov"> 625 : void msg_status(const char* format, ...)</span>
<span class="lineNum"> 186 </span> : {
<span class="lineNum"> 187 </span> : va_list ap;
<span class="lineNum"> 188 </span> :
<span class="lineNum"> 189 </span><span class="lineCov"> 625 : lock_msg();</span>
<span class="lineNum"> 190 </span> :
<span class="lineNum"> 191 </span><span class="lineCov"> 625 : if (stdlog) {</span>
<span class="lineNum"> 192 </span><span class="lineCov"> 275 : va_start(ap, format);</span>
<span class="lineNum"> 193 </span><span class="lineCov"> 275 : fprintf(stdlog, &quot;msg:status: &quot;);</span>
<span class="lineNum"> 194 </span><span class="lineCov"> 275 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 195 </span><span class="lineCov"> 275 : fflush(stdlog);</span>
<span class="lineNum"> 196 </span><span class="lineCov"> 275 : va_end(ap);</span>
<span class="lineNum"> 197 </span> : }
<span class="lineNum"> 198 </span> :
<span class="lineNum"> 199 </span><span class="lineCov"> 625 : if (msg_level &gt;= MSG_STATUS) {</span>
<span class="lineNum"> 200 </span><span class="lineCov"> 625 : va_start(ap, format);</span>
<span class="lineNum"> 201 </span><span class="lineCov"> 625 : vfprintf(stdout, format, ap);</span>
<span class="lineNum"> 202 </span><span class="lineCov"> 625 : fflush(stdout);</span>
<span class="lineNum"> 203 </span><span class="lineCov"> 625 : va_end(ap);</span>
<span class="lineNum"> 204 </span> : }
<span class="lineNum"> 205 </span> :
<span class="lineNum"> 206 </span><span class="lineCov"> 625 : unlock_msg();</span>
<a name="207"><span class="lineNum"> 207 </span><span class="lineCov"> 625 : }</span></a>
<span class="lineNum"> 208 </span> :
<span class="lineNum"> 209 </span><span class="lineCov"> 295689 : void msg_info(const char* format, ...)</span>
<span class="lineNum"> 210 </span> : {
<span class="lineNum"> 211 </span> : va_list ap;
<span class="lineNum"> 212 </span> :
<span class="lineNum"> 213 </span><span class="lineCov"> 295689 : lock_msg();</span>
<span class="lineNum"> 214 </span> :
<span class="lineNum"> 215 </span> : /* don't output in stdlog as these messages */
<span class="lineNum"> 216 </span> : /* are always paired with a msg_tag() call */
<span class="lineNum"> 217 </span> :
<span class="lineNum"> 218 </span><span class="lineCov"> 295689 : if (msg_level &gt;= MSG_INFO) {</span>
<span class="lineNum"> 219 </span><span class="lineCov"> 28811 : va_start(ap, format);</span>
<span class="lineNum"> 220 </span><span class="lineCov"> 28811 : vfprintf(stdout, format, ap);</span>
<span class="lineNum"> 221 </span><span class="lineCov"> 28811 : fflush(stdout);</span>
<span class="lineNum"> 222 </span><span class="lineCov"> 28811 : va_end(ap);</span>
<span class="lineNum"> 223 </span> : }
<span class="lineNum"> 224 </span> :
<span class="lineNum"> 225 </span><span class="lineCov"> 295689 : unlock_msg();</span>
<a name="226"><span class="lineNum"> 226 </span><span class="lineCov"> 295689 : }</span></a>
<span class="lineNum"> 227 </span> :
<span class="lineNum"> 228 </span><span class="lineCov"> 4449 : void msg_progress(const char* format, ...)</span>
<span class="lineNum"> 229 </span> : {
<span class="lineNum"> 230 </span> : va_list ap;
<span class="lineNum"> 231 </span> :
<span class="lineNum"> 232 </span><span class="lineCov"> 4449 : lock_msg();</span>
<span class="lineNum"> 233 </span> :
<span class="lineNum"> 234 </span><span class="lineCov"> 4449 : if (stdlog) {</span>
<span class="lineNum"> 235 </span><span class="lineCov"> 819 : va_start(ap, format);</span>
<span class="lineNum"> 236 </span><span class="lineCov"> 819 : fprintf(stdlog, &quot;msg:progress: &quot;);</span>
<span class="lineNum"> 237 </span><span class="lineCov"> 819 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 238 </span><span class="lineCov"> 819 : fflush(stdlog);</span>
<span class="lineNum"> 239 </span><span class="lineCov"> 819 : va_end(ap);</span>
<span class="lineNum"> 240 </span> : }
<span class="lineNum"> 241 </span> :
<span class="lineNum"> 242 </span><span class="lineCov"> 4449 : if (msg_level &gt;= MSG_PROGRESS) {</span>
<span class="lineNum"> 243 </span><span class="lineCov"> 161 : va_start(ap, format);</span>
<span class="lineNum"> 244 </span><span class="lineCov"> 161 : vfprintf(stdout, format, ap);</span>
<span class="lineNum"> 245 </span><span class="lineCov"> 161 : fflush(stdout);</span>
<span class="lineNum"> 246 </span><span class="lineCov"> 161 : va_end(ap);</span>
<span class="lineNum"> 247 </span> : }
<span class="lineNum"> 248 </span> :
<span class="lineNum"> 249 </span><span class="lineCov"> 4449 : unlock_msg();</span>
<a name="250"><span class="lineNum"> 250 </span><span class="lineCov"> 4449 : }</span></a>
<span class="lineNum"> 251 </span> :
<span class="lineNum"> 252 </span><span class="lineCov"> 1958 : void msg_bar(const char* format, ...)</span>
<span class="lineNum"> 253 </span> : {
<span class="lineNum"> 254 </span> : va_list ap;
<span class="lineNum"> 255 </span> :
<span class="lineNum"> 256 </span><span class="lineCov"> 1958 : lock_msg();</span>
<span class="lineNum"> 257 </span> :
<span class="lineNum"> 258 </span> : /* don't output in stdlog as these messages */
<span class="lineNum"> 259 </span> : /* are intended for screen only */
<span class="lineNum"> 260 </span> : /* also don't flush stdout as they are intended to be partial messages */
<span class="lineNum"> 261 </span> :
<span class="lineNum"> 262 </span><span class="lineCov"> 1958 : if (msg_level &gt;= MSG_BAR) {</span>
<span class="lineNum"> 263 </span><span class="lineNoCov"> 0 : va_start(ap, format);</span>
<span class="lineNum"> 264 </span><span class="lineNoCov"> 0 : vfprintf(stdout, format, ap);</span>
<span class="lineNum"> 265 </span><span class="lineNoCov"> 0 : va_end(ap);</span>
<span class="lineNum"> 266 </span> : }
<span class="lineNum"> 267 </span> :
<span class="lineNum"> 268 </span><span class="lineCov"> 1958 : unlock_msg();</span>
<a name="269"><span class="lineNum"> 269 </span><span class="lineCov"> 1958 : }</span></a>
<span class="lineNum"> 270 </span> :
<span class="lineNum"> 271 </span><span class="lineCov"> 126943 : void msg_verbose(const char* format, ...)</span>
<span class="lineNum"> 272 </span> : {
<span class="lineNum"> 273 </span> : va_list ap;
<span class="lineNum"> 274 </span> :
<span class="lineNum"> 275 </span><span class="lineCov"> 126943 : lock_msg();</span>
<span class="lineNum"> 276 </span> :
<span class="lineNum"> 277 </span><span class="lineCov"> 126943 : if (stdlog) {</span>
<span class="lineNum"> 278 </span><span class="lineCov"> 125077 : va_start(ap, format);</span>
<span class="lineNum"> 279 </span><span class="lineCov"> 125077 : fprintf(stdlog, &quot;msg:verbose: &quot;);</span>
<span class="lineNum"> 280 </span><span class="lineCov"> 125077 : vfprintf(stdlog, format, ap);</span>
<span class="lineNum"> 281 </span><span class="lineCov"> 125077 : fflush(stdlog);</span>
<span class="lineNum"> 282 </span><span class="lineCov"> 125077 : va_end(ap);</span>
<span class="lineNum"> 283 </span> : }
<span class="lineNum"> 284 </span> :
<span class="lineNum"> 285 </span><span class="lineCov"> 126943 : if (msg_level &gt;= MSG_VERBOSE) {</span>
<span class="lineNum"> 286 </span><span class="lineCov"> 91 : va_start(ap, format);</span>
<span class="lineNum"> 287 </span><span class="lineCov"> 91 : vfprintf(stdout, format, ap);</span>
<span class="lineNum"> 288 </span><span class="lineCov"> 91 : fflush(stdout);</span>
<span class="lineNum"> 289 </span><span class="lineCov"> 91 : va_end(ap);</span>
<span class="lineNum"> 290 </span> : }
<span class="lineNum"> 291 </span> :
<span class="lineNum"> 292 </span><span class="lineCov"> 126943 : unlock_msg();</span>
<a name="293"><span class="lineNum"> 293 </span><span class="lineCov"> 126943 : }</span></a>
<span class="lineNum"> 294 </span> :
<span class="lineNum"> 295 </span><span class="lineCov"> 627 : void msg_flush(void)</span>
<span class="lineNum"> 296 </span> : {
<span class="lineNum"> 297 </span><span class="lineCov"> 627 : lock_msg();</span>
<span class="lineNum"> 298 </span> :
<span class="lineNum"> 299 </span><span class="lineCov"> 627 : fflush(stdout);</span>
<span class="lineNum"> 300 </span><span class="lineCov"> 627 : fflush(stderr);</span>
<span class="lineNum"> 301 </span> :
<span class="lineNum"> 302 </span><span class="lineCov"> 627 : unlock_msg();</span>
<a name="303"><span class="lineNum"> 303 </span><span class="lineCov"> 627 : }</span></a>
<span class="lineNum"> 304 </span> :
<span class="lineNum"> 305 </span><span class="lineCov"> 106 : void printc(char c, size_t pad)</span>
<span class="lineNum"> 306 </span> : {
<span class="lineNum"> 307 </span><span class="lineCov"> 304 : while (pad) {</span>
<span class="lineNum"> 308 </span> : /* group writes in long pieces */
<span class="lineNum"> 309 </span> : char buf[128];
<span class="lineNum"> 310 </span><span class="lineCov"> 92 : size_t len = pad;</span>
<span class="lineNum"> 311 </span> :
<span class="lineNum"> 312 </span><span class="lineCov"> 92 : if (len &gt;= sizeof(buf))</span>
<span class="lineNum"> 313 </span><span class="lineNoCov"> 0 : len = sizeof(buf) - 1;</span>
<span class="lineNum"> 314 </span> :
<span class="lineNum"> 315 </span><span class="lineCov"> 92 : memset(buf, c, len);</span>
<span class="lineNum"> 316 </span><span class="lineCov"> 92 : buf[len] = 0;</span>
<span class="lineNum"> 317 </span> :
<span class="lineNum"> 318 </span><span class="lineCov"> 92 : fputs(buf, stdout);</span>
<span class="lineNum"> 319 </span> :
<span class="lineNum"> 320 </span><span class="lineCov"> 92 : pad -= len;</span>
<span class="lineNum"> 321 </span> : }
<a name="322"><span class="lineNum"> 322 </span><span class="lineCov"> 106 : }</span></a>
<span class="lineNum"> 323 </span> :
<span class="lineNum"> 324 </span><span class="lineCov"> 34 : void printr(const char* str, size_t pad)</span>
<span class="lineNum"> 325 </span> : {
<span class="lineNum"> 326 </span> : size_t len;
<span class="lineNum"> 327 </span> :
<span class="lineNum"> 328 </span><span class="lineCov"> 34 : len = strlen(str);</span>
<span class="lineNum"> 329 </span> :
<span class="lineNum"> 330 </span><span class="lineCov"> 34 : if (len &lt; pad)</span>
<span class="lineNum"> 331 </span><span class="lineCov"> 34 : printc(' ', pad - len);</span>
<span class="lineNum"> 332 </span> :
<span class="lineNum"> 333 </span><span class="lineCov"> 34 : fputs(str, stdout);</span>
<a name="334"><span class="lineNum"> 334 </span><span class="lineCov"> 34 : }</span></a>
<span class="lineNum"> 335 </span> :
<span class="lineNum"> 336 </span><span class="lineCov"> 52 : void printl(const char* str, size_t pad)</span>
<span class="lineNum"> 337 </span> : {
<span class="lineNum"> 338 </span> : size_t len;
<span class="lineNum"> 339 </span> :
<span class="lineNum"> 340 </span><span class="lineCov"> 52 : fputs(str, stdout);</span>
<span class="lineNum"> 341 </span> :
<span class="lineNum"> 342 </span><span class="lineCov"> 52 : len = strlen(str);</span>
<span class="lineNum"> 343 </span> :
<span class="lineNum"> 344 </span><span class="lineCov"> 52 : if (len &lt; pad)</span>
<span class="lineNum"> 345 </span><span class="lineCov"> 29 : printc(' ', pad - len);</span>
<a name="346"><span class="lineNum"> 346 </span><span class="lineCov"> 52 : }</span></a>
<span class="lineNum"> 347 </span> :
<span class="lineNum"> 348 </span><span class="lineCov"> 18 : void printp(double v, size_t pad)</span>
<span class="lineNum"> 349 </span> : {
<span class="lineNum"> 350 </span> : char buf[64];
<span class="lineNum"> 351 </span><span class="lineCov"> 18 : const char* s = &quot;%&quot;;</span>
<span class="lineNum"> 352 </span> :
<span class="lineNum"> 353 </span><span class="lineCov"> 18 : if (v &gt; 0.1)</span>
<span class="lineNum"> 354 </span><span class="lineCov"> 4 : snprintf(buf, sizeof(buf), &quot;%5.2f%s&quot;, v, s);</span>
<span class="lineNum"> 355 </span><span class="lineCov"> 14 : else if (v &gt; 0.01)</span>
<span class="lineNum"> 356 </span><span class="lineCov"> 2 : snprintf(buf, sizeof(buf), &quot;%6.3f%s&quot;, v, s);</span>
<span class="lineNum"> 357 </span><span class="lineCov"> 12 : else if (v &gt; 0.001)</span>
<span class="lineNum"> 358 </span><span class="lineCov"> 3 : snprintf(buf, sizeof(buf), &quot;%7.4f%s&quot;, v, s);</span>
<span class="lineNum"> 359 </span><span class="lineCov"> 9 : else if (v &gt; 0.0001)</span>
<span class="lineNum"> 360 </span><span class="lineCov"> 2 : snprintf(buf, sizeof(buf), &quot;%8.5f%s&quot;, v, s);</span>
<span class="lineNum"> 361 </span><span class="lineCov"> 7 : else if (v &gt; 0.00001)</span>
<span class="lineNum"> 362 </span><span class="lineCov"> 2 : snprintf(buf, sizeof(buf), &quot;%9.6f%s&quot;, v, s);</span>
<span class="lineNum"> 363 </span><span class="lineCov"> 5 : else if (v &gt; 0.000001)</span>
<span class="lineNum"> 364 </span><span class="lineCov"> 1 : snprintf(buf, sizeof(buf), &quot;%10.7f%s&quot;, v, s);</span>
<span class="lineNum"> 365 </span><span class="lineCov"> 4 : else if (v &gt; 0.0000001)</span>
<span class="lineNum"> 366 </span><span class="lineCov"> 1 : snprintf(buf, sizeof(buf), &quot;%11.8f%s&quot;, v, s);</span>
<span class="lineNum"> 367 </span><span class="lineCov"> 3 : else if (v &gt; 0.00000001)</span>
<span class="lineNum"> 368 </span><span class="lineCov"> 1 : snprintf(buf, sizeof(buf), &quot;%12.9f%s&quot;, v, s);</span>
<span class="lineNum"> 369 </span><span class="lineCov"> 2 : else if (v &gt; 0.000000001)</span>
<span class="lineNum"> 370 </span><span class="lineCov"> 1 : snprintf(buf, sizeof(buf), &quot;%13.10f%s&quot;, v, s);</span>
<span class="lineNum"> 371 </span><span class="lineCov"> 1 : else if (v &gt; 0.0000000001)</span>
<span class="lineNum"> 372 </span><span class="lineNoCov"> 0 : snprintf(buf, sizeof(buf), &quot;%14.11f%s&quot;, v, s);</span>
<span class="lineNum"> 373 </span><span class="lineCov"> 1 : else if (v &gt; 0.00000000001)</span>
<span class="lineNum"> 374 </span><span class="lineCov"> 1 : snprintf(buf, sizeof(buf), &quot;%15.12f%s&quot;, v, s);</span>
<span class="lineNum"> 375 </span><span class="lineNoCov"> 0 : else if (v &gt; 0.000000000001)</span>
<span class="lineNum"> 376 </span><span class="lineNoCov"> 0 : snprintf(buf, sizeof(buf), &quot;%16.13f%s&quot;, v, s);</span>
<span class="lineNum"> 377 </span> : else
<span class="lineNum"> 378 </span><span class="lineNoCov"> 0 : snprintf(buf, sizeof(buf), &quot;%17.14f%s&quot;, v, s);</span>
<span class="lineNum"> 379 </span><span class="lineCov"> 18 : printl(buf, pad);</span>
<span class="lineNum"> 380 </span><span class="lineCov"> 18 : }</span>
<span class="lineNum"> 381 </span> :
<span class="lineNum"> 382 </span> : #define ESCAPE(from,escape,to) \
<span class="lineNum"> 383 </span> : case from : \
<span class="lineNum"> 384 </span> : if (p == end) \
<span class="lineNum"> 385 </span> : goto bail; \
<span class="lineNum"> 386 </span> : *p++ = escape; \
<span class="lineNum"> 387 </span> : if (p == end) \
<span class="lineNum"> 388 </span> : goto bail; \
<span class="lineNum"> 389 </span> : *p++ = to; \
<a name="390"><span class="lineNum"> 390 </span> : break</a>
<span class="lineNum"> 391 </span> :
<span class="lineNum"> 392 </span><span class="lineCov"> 2428312 : const char* esc_tag(const char* str, char* buffer)</span>
<span class="lineNum"> 393 </span> : {
<span class="lineNum"> 394 </span><span class="lineCov"> 2428312 : char* begin = buffer;</span>
<span class="lineNum"> 395 </span><span class="lineCov"> 2428312 : char* end = begin + ESC_MAX;</span>
<span class="lineNum"> 396 </span><span class="lineCov"> 2428312 : char* p = begin;</span>
<span class="lineNum"> 397 </span> :
<span class="lineNum"> 398 </span> : /* copy string with escaping */
<span class="lineNum"> 399 </span><span class="lineCov"> 36387237 : while (*str) {</span>
<span class="lineNum"> 400 </span><span class="lineCov"> 31530613 : char c = *str;</span>
<span class="lineNum"> 401 </span> :
<span class="lineNum"> 402 </span><span class="lineCov"> 31530613 : switch (c) {</span>
<span class="lineNum"> 403 </span> :
<span class="lineNum"> 404 </span><span class="lineNoCov"> 0 : ESCAPE('\n', '\\', 'n');</span>
<span class="lineNum"> 405 </span><span class="lineNoCov"> 0 : ESCAPE('\r', '\\', 'r');</span>
<span class="lineNum"> 406 </span><span class="lineNoCov"> 0 : ESCAPE(':', '\\', 'd');</span>
<span class="lineNum"> 407 </span><span class="lineNoCov"> 0 : ESCAPE('\\', '\\', '\\');</span>
<span class="lineNum"> 408 </span> :
<span class="lineNum"> 409 </span> : default:
<span class="lineNum"> 410 </span><span class="lineCov"> 31530613 : if (p == end)</span>
<span class="lineNum"> 411 </span><span class="lineNoCov"> 0 : goto bail;</span>
<span class="lineNum"> 412 </span><span class="lineCov"> 31530613 : *p++ = c;</span>
<span class="lineNum"> 413 </span><span class="lineCov"> 31530613 : break;</span>
<span class="lineNum"> 414 </span> : }
<span class="lineNum"> 415 </span> :
<span class="lineNum"> 416 </span><span class="lineCov"> 31530613 : ++str;</span>
<span class="lineNum"> 417 </span> : }
<span class="lineNum"> 418 </span> :
<span class="lineNum"> 419 </span> : /* put final 0 */
<span class="lineNum"> 420 </span><span class="lineCov"> 2428312 : if (p == end)</span>
<span class="lineNum"> 421 </span><span class="lineNoCov"> 0 : goto bail;</span>
<span class="lineNum"> 422 </span><span class="lineCov"> 2428312 : *p = 0;</span>
<span class="lineNum"> 423 </span> :
<span class="lineNum"> 424 </span><span class="lineCov"> 4856624 : return begin;</span>
<span class="lineNum"> 425 </span> :
<span class="lineNum"> 426 </span> : bail:
<span class="lineNum"> 427 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 428 </span> : log_fatal(&quot;Escape for log too long\n&quot;);
<span class="lineNum"> 429 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 430 </span> : /* LCOV_EXCL_STOP */
<a name="431"><span class="lineNum"> 431 </span> : }</a>
<span class="lineNum"> 432 </span> :
<span class="lineNum"> 433 </span><span class="lineCov"> 355914 : const char* esc_shell_multi(const char** str_map, unsigned str_max, char* buffer)</span>
<span class="lineNum"> 434 </span> : {
<span class="lineNum"> 435 </span><span class="lineCov"> 355914 : char* begin = buffer;</span>
<span class="lineNum"> 436 </span><span class="lineCov"> 355914 : char* end = begin + ESC_MAX;</span>
<span class="lineNum"> 437 </span><span class="lineCov"> 355914 : char* p = begin;</span>
<span class="lineNum"> 438 </span> : unsigned str_mac;
<span class="lineNum"> 439 </span> : const char* str;
<span class="lineNum"> 440 </span> :
<span class="lineNum"> 441 </span> : #ifdef _WIN32
<span class="lineNum"> 442 </span> : int has_quote = 0;
<span class="lineNum"> 443 </span> :
<span class="lineNum"> 444 </span> : for (str_mac = 0; str_mac &lt; str_max; ++str_mac) {
<span class="lineNum"> 445 </span> : str = str_map[str_mac];
<span class="lineNum"> 446 </span> : if (strchr(str, ' ') != 0)
<span class="lineNum"> 447 </span> : has_quote = 1;
<span class="lineNum"> 448 </span> : }
<span class="lineNum"> 449 </span> :
<span class="lineNum"> 450 </span> : if (has_quote) {
<span class="lineNum"> 451 </span> : if (p == end)
<span class="lineNum"> 452 </span> : goto bail;
<span class="lineNum"> 453 </span> : *p++ = '&quot;';
<span class="lineNum"> 454 </span> : }
<span class="lineNum"> 455 </span> : #endif
<span class="lineNum"> 456 </span> :
<span class="lineNum"> 457 </span> : /* copy string with escaping */
<span class="lineNum"> 458 </span><span class="lineCov"> 355914 : str_mac = 0;</span>
<span class="lineNum"> 459 </span><span class="lineCov"> 355914 : str = str_map[str_mac];</span>
<span class="lineNum"> 460 </span> : while (1) {
<span class="lineNum"> 461 </span> : /* get the next char */
<span class="lineNum"> 462 </span><span class="lineCov"> 5122618 : char c = *str;</span>
<span class="lineNum"> 463 </span> :
<span class="lineNum"> 464 </span> : /* if one string is finished, go to the next */
<span class="lineNum"> 465 </span><span class="lineCov"> 10281326 : while (c == 0 &amp;&amp; str_mac + 1 &lt; str_max) {</span>
<span class="lineNum"> 466 </span><span class="lineCov"> 36090 : ++str_mac;</span>
<span class="lineNum"> 467 </span><span class="lineCov"> 36090 : str = str_map[str_mac];</span>
<span class="lineNum"> 468 </span><span class="lineCov"> 36090 : c = *str;</span>
<span class="lineNum"> 469 </span> : }
<span class="lineNum"> 470 </span> :
<span class="lineNum"> 471 </span> : /* if we read all the strings, stop */
<span class="lineNum"> 472 </span><span class="lineCov"> 5122618 : if (!c)</span>
<span class="lineNum"> 473 </span><span class="lineCov"> 355914 : break;</span>
<span class="lineNum"> 474 </span> :
<span class="lineNum"> 475 </span><span class="lineCov"> 4766704 : switch (c) {</span>
<span class="lineNum"> 476 </span> : #ifdef _WIN32
<span class="lineNum"> 477 </span> : /*
<span class="lineNum"> 478 </span> : * Windows shell escape
<span class="lineNum"> 479 </span> : *
<span class="lineNum"> 480 </span> : * The Windows NT Command Shell
<span class="lineNum"> 481 </span> : * https://technet.microsoft.com/en-us/library/cc723564.aspx
<span class="lineNum"> 482 </span> : */
<span class="lineNum"> 483 </span> : case '&quot;' :
<span class="lineNum"> 484 </span> : /* double quote, it needs to be quoted with \ */
<span class="lineNum"> 485 </span> : if (has_quote) {
<span class="lineNum"> 486 </span> : /* &quot; -&gt; &quot;\&quot;&quot; -&gt; (close quote)(quoted with \ &quot;)(reopen quote) */
<span class="lineNum"> 487 </span> : if (p == end)
<span class="lineNum"> 488 </span> : goto bail;
<span class="lineNum"> 489 </span> : *p++ = '&quot;';
<span class="lineNum"> 490 </span> : if (p == end)
<span class="lineNum"> 491 </span> : goto bail;
<span class="lineNum"> 492 </span> : *p++ = '\\';
<span class="lineNum"> 493 </span> : if (p == end)
<span class="lineNum"> 494 </span> : goto bail;
<span class="lineNum"> 495 </span> : *p++ = '&quot;';
<span class="lineNum"> 496 </span> : if (p == end)
<span class="lineNum"> 497 </span> : goto bail;
<span class="lineNum"> 498 </span> : *p++ = '&quot;';
<span class="lineNum"> 499 </span> : } else {
<span class="lineNum"> 500 </span> : /* &quot; -&gt; \&quot; */
<span class="lineNum"> 501 </span> : if (p == end)
<span class="lineNum"> 502 </span> : goto bail;
<span class="lineNum"> 503 </span> : *p++ = '\\';
<span class="lineNum"> 504 </span> : if (p == end)
<span class="lineNum"> 505 </span> : goto bail;
<span class="lineNum"> 506 </span> : *p++ = '&quot;';
<span class="lineNum"> 507 </span> : }
<span class="lineNum"> 508 </span> : break;
<span class="lineNum"> 509 </span> : case '&amp;' :
<span class="lineNum"> 510 </span> : case '|' :
<span class="lineNum"> 511 </span> : case '(' :
<span class="lineNum"> 512 </span> : case ')' :
<span class="lineNum"> 513 </span> : case '&lt;' :
<span class="lineNum"> 514 </span> : case '&gt;' :
<span class="lineNum"> 515 </span> : case '^' :
<span class="lineNum"> 516 </span> : /* reserved chars, they need to be quoted with ^ */
<span class="lineNum"> 517 </span> : if (has_quote) {
<span class="lineNum"> 518 </span> : if (p == end)
<span class="lineNum"> 519 </span> : goto bail;
<span class="lineNum"> 520 </span> : *p++ = c;
<span class="lineNum"> 521 </span> : } else {
<span class="lineNum"> 522 </span> : if (p == end)
<span class="lineNum"> 523 </span> : goto bail;
<span class="lineNum"> 524 </span> : *p++ = '^';
<span class="lineNum"> 525 </span> : if (p == end)
<span class="lineNum"> 526 </span> : goto bail;
<span class="lineNum"> 527 </span> : *p++ = c;
<span class="lineNum"> 528 </span> : }
<span class="lineNum"> 529 </span> : break;
<span class="lineNum"> 530 </span> : default :
<span class="lineNum"> 531 </span> : /* unquoted */
<span class="lineNum"> 532 </span> : if (p == end)
<span class="lineNum"> 533 </span> : goto bail;
<span class="lineNum"> 534 </span> : *p++ = c;
<span class="lineNum"> 535 </span> : break;
<span class="lineNum"> 536 </span> : #else
<span class="lineNum"> 537 </span> : case 'a' ... 'z' :
<span class="lineNum"> 538 </span> : case 'A' ... 'Z' :
<span class="lineNum"> 539 </span> : case '0' ... '9' :
<span class="lineNum"> 540 </span> : case ',' :
<span class="lineNum"> 541 </span> : case '.' :
<span class="lineNum"> 542 </span> : case '_' :
<span class="lineNum"> 543 </span> : case '+' :
<span class="lineNum"> 544 </span> : case ':' :
<span class="lineNum"> 545 </span> : case '@' :
<span class="lineNum"> 546 </span> : case '%' :
<span class="lineNum"> 547 </span> : case '/' :
<span class="lineNum"> 548 </span> : case '-' :
<span class="lineNum"> 549 </span> : /* safe chars for all shells, unquoted */
<span class="lineNum"> 550 </span><span class="lineCov"> 4687726 : if (p == end)</span>
<span class="lineNum"> 551 </span><span class="lineNoCov"> 0 : goto bail;</span>
<span class="lineNum"> 552 </span><span class="lineCov"> 4687726 : *p++ = c;</span>
<span class="lineNum"> 553 </span><span class="lineCov"> 4687726 : break;</span>
<span class="lineNum"> 554 </span> : default :
<span class="lineNum"> 555 </span> : /* all the others are quoted with \ */
<span class="lineNum"> 556 </span><span class="lineCov"> 78978 : if (p == end)</span>
<span class="lineNum"> 557 </span><span class="lineNoCov"> 0 : goto bail;</span>
<span class="lineNum"> 558 </span><span class="lineCov"> 78978 : *p++ = '\\';</span>
<span class="lineNum"> 559 </span><span class="lineCov"> 78978 : if (p == end)</span>
<span class="lineNum"> 560 </span><span class="lineNoCov"> 0 : goto bail;</span>
<span class="lineNum"> 561 </span><span class="lineCov"> 78978 : *p++ = c;</span>
<span class="lineNum"> 562 </span><span class="lineCov"> 78978 : break;</span>
<span class="lineNum"> 563 </span> : #endif
<span class="lineNum"> 564 </span> : }
<span class="lineNum"> 565 </span> :
<span class="lineNum"> 566 </span><span class="lineCov"> 4766704 : ++str;</span>
<span class="lineNum"> 567 </span><span class="lineCov"> 4766704 : }</span>
<span class="lineNum"> 568 </span> :
<span class="lineNum"> 569 </span> : #ifdef _WIN32
<span class="lineNum"> 570 </span> : if (has_quote) {
<span class="lineNum"> 571 </span> : if (p == end)
<span class="lineNum"> 572 </span> : goto bail;
<span class="lineNum"> 573 </span> : *p++ = '&quot;';
<span class="lineNum"> 574 </span> : }
<span class="lineNum"> 575 </span> : #endif
<span class="lineNum"> 576 </span> :
<span class="lineNum"> 577 </span> : /* put final 0 */
<span class="lineNum"> 578 </span><span class="lineCov"> 355914 : if (p == end)</span>
<span class="lineNum"> 579 </span><span class="lineNoCov"> 0 : goto bail;</span>
<span class="lineNum"> 580 </span><span class="lineCov"> 355914 : *p = 0;</span>
<span class="lineNum"> 581 </span> :
<span class="lineNum"> 582 </span><span class="lineCov"> 711828 : return begin;</span>
<span class="lineNum"> 583 </span> :
<span class="lineNum"> 584 </span> : bail:
<span class="lineNum"> 585 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 586 </span> : log_fatal(&quot;Escape for shell too long\n&quot;);
<span class="lineNum"> 587 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 588 </span> : /* LCOV_EXCL_STOP */
<a name="589"><span class="lineNum"> 589 </span> : }</a>
<span class="lineNum"> 590 </span> :
<span class="lineNum"> 591 </span><span class="lineNoCov"> 0 : char* strpolish(char* s)</span>
<span class="lineNum"> 592 </span> : {
<span class="lineNum"> 593 </span><span class="lineNoCov"> 0 : char* i = s;</span>
<span class="lineNum"> 594 </span> :
<span class="lineNum"> 595 </span><span class="lineNoCov"> 0 : while (*i) {</span>
<span class="lineNum"> 596 </span><span class="lineNoCov"> 0 : if (isspace(*i) || !isprint(*i))</span>
<span class="lineNum"> 597 </span><span class="lineNoCov"> 0 : *i = ' ';</span>
<span class="lineNum"> 598 </span><span class="lineNoCov"> 0 : ++i;</span>
<span class="lineNum"> 599 </span> : }
<span class="lineNum"> 600 </span> :
<span class="lineNum"> 601 </span><span class="lineNoCov"> 0 : return s;</span>
<a name="602"><span class="lineNum"> 602 </span> : }</a>
<span class="lineNum"> 603 </span> :
<span class="lineNum"> 604 </span><span class="lineCov"> 1472 : unsigned strsplit(char** split_map, unsigned split_max, char* str, const char* delimiters)</span>
<span class="lineNum"> 605 </span> : {
<span class="lineNum"> 606 </span><span class="lineCov"> 1472 : unsigned mac = 0;</span>
<span class="lineNum"> 607 </span> :
<span class="lineNum"> 608 </span> : /* skip initial delimiters */
<span class="lineNum"> 609 </span><span class="lineCov"> 1472 : str += strspn(str, delimiters);</span>
<span class="lineNum"> 610 </span> :
<span class="lineNum"> 611 </span><span class="lineCov"> 8932 : while (*str != 0 || mac == split_max) {</span>
<span class="lineNum"> 612 </span> : /* start of the token */
<span class="lineNum"> 613 </span><span class="lineCov"> 5988 : split_map[mac] = str;</span>
<span class="lineNum"> 614 </span><span class="lineCov"> 5988 : ++mac;</span>
<span class="lineNum"> 615 </span> :
<span class="lineNum"> 616 </span> : /* find the first delimiter or the end of the string */
<span class="lineNum"> 617 </span><span class="lineCov"> 5988 : str += strcspn(str, delimiters);</span>
<span class="lineNum"> 618 </span> :
<span class="lineNum"> 619 </span> : /* put the final terminator if missing */
<span class="lineNum"> 620 </span><span class="lineCov"> 5988 : if (*str != 0)</span>
<span class="lineNum"> 621 </span><span class="lineCov"> 4616 : *str++ = 0;</span>
<span class="lineNum"> 622 </span> :
<span class="lineNum"> 623 </span> : /* skip trailing delimiters */
<span class="lineNum"> 624 </span><span class="lineCov"> 5988 : str += strspn(str, delimiters);</span>
<span class="lineNum"> 625 </span> : }
<span class="lineNum"> 626 </span> :
<span class="lineNum"> 627 </span><span class="lineCov"> 1472 : return mac;</span>
<span class="lineNum"> 628 </span> : }
<span class="lineNum"> 629 </span> :
<span class="lineNum"> 630 </span> : /****************************************************************************/
<a name="631"><span class="lineNum"> 631 </span> : /* path */</a>
<span class="lineNum"> 632 </span> :
<span class="lineNum"> 633 </span><span class="lineCov"> 7892123 : void pathcpy(char* dst, size_t size, const char* src)</span>
<span class="lineNum"> 634 </span> : {
<span class="lineNum"> 635 </span><span class="lineCov"> 7892123 : size_t len = strlen(src);</span>
<span class="lineNum"> 636 </span> :
<span class="lineNum"> 637 </span><span class="lineCov"> 7892123 : if (len + 1 &gt; size) {</span>
<span class="lineNum"> 638 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 639 </span> : log_fatal(&quot;Path too long '%s'\n&quot;, src);
<span class="lineNum"> 640 </span> : os_abort();
<span class="lineNum"> 641 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 642 </span> : }
<span class="lineNum"> 643 </span> :
<span class="lineNum"> 644 </span><span class="lineCov"> 7892123 : memcpy(dst, src, len + 1);</span>
<a name="645"><span class="lineNum"> 645 </span><span class="lineCov"> 7892123 : }</span></a>
<span class="lineNum"> 646 </span> :
<span class="lineNum"> 647 </span><span class="lineCov"> 267 : void pathcat(char* dst, size_t size, const char* src)</span>
<span class="lineNum"> 648 </span> : {
<span class="lineNum"> 649 </span><span class="lineCov"> 267 : size_t dst_len = strlen(dst);</span>
<span class="lineNum"> 650 </span><span class="lineCov"> 267 : size_t src_len = strlen(src);</span>
<span class="lineNum"> 651 </span> :
<span class="lineNum"> 652 </span><span class="lineCov"> 267 : if (dst_len + src_len + 1 &gt; size) {</span>
<span class="lineNum"> 653 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 654 </span> : log_fatal(&quot;Path too long '%s%s'\n&quot;, dst, src);
<span class="lineNum"> 655 </span> : os_abort();
<span class="lineNum"> 656 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 657 </span> : }
<span class="lineNum"> 658 </span> :
<span class="lineNum"> 659 </span><span class="lineCov"> 267 : memcpy(dst + dst_len, src, src_len + 1);</span>
<a name="660"><span class="lineNum"> 660 </span><span class="lineCov"> 267 : }</span></a>
<span class="lineNum"> 661 </span> :
<span class="lineNum"> 662 </span><span class="lineCov"> 788 : void pathcatc(char* dst, size_t size, char c)</span>
<span class="lineNum"> 663 </span> : {
<span class="lineNum"> 664 </span><span class="lineCov"> 788 : size_t dst_len = strlen(dst);</span>
<span class="lineNum"> 665 </span> :
<span class="lineNum"> 666 </span><span class="lineCov"> 788 : if (dst_len + 2 &gt; size) {</span>
<span class="lineNum"> 667 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 668 </span> : log_fatal(&quot;Path too long '%s%c'\n&quot;, dst, c);
<span class="lineNum"> 669 </span> : os_abort();
<span class="lineNum"> 670 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 671 </span> : }
<span class="lineNum"> 672 </span> :
<span class="lineNum"> 673 </span><span class="lineCov"> 788 : dst[dst_len] = c;</span>
<span class="lineNum"> 674 </span><span class="lineCov"> 788 : dst[dst_len + 1] = 0;</span>
<a name="675"><span class="lineNum"> 675 </span><span class="lineCov"> 788 : }</span></a>
<span class="lineNum"> 676 </span> :
<span class="lineNum"> 677 </span><span class="lineCov"> 16572 : void pathimport(char* dst, size_t size, const char* src)</span>
<span class="lineNum"> 678 </span> : {
<span class="lineNum"> 679 </span><span class="lineCov"> 16572 : pathcpy(dst, size, src);</span>
<span class="lineNum"> 680 </span> :
<span class="lineNum"> 681 </span> : #ifdef _WIN32
<span class="lineNum"> 682 </span> : /* convert the Windows dir separator '\' to C '/', */
<span class="lineNum"> 683 </span> : /* and the Windows escaping char '^' to the fnmatch '\' */
<span class="lineNum"> 684 </span> : while (*dst) {
<span class="lineNum"> 685 </span> : switch (*dst) {
<span class="lineNum"> 686 </span> : case '\\' :
<span class="lineNum"> 687 </span> : *dst = '/';
<span class="lineNum"> 688 </span> : break;
<span class="lineNum"> 689 </span> : case '^' :
<span class="lineNum"> 690 </span> : *dst = '\\';
<span class="lineNum"> 691 </span> : break;
<span class="lineNum"> 692 </span> : }
<span class="lineNum"> 693 </span> : ++dst;
<span class="lineNum"> 694 </span> : }
<span class="lineNum"> 695 </span> : #endif
<a name="696"><span class="lineNum"> 696 </span><span class="lineCov"> 16572 : }</span></a>
<span class="lineNum"> 697 </span> :
<span class="lineNum"> 698 </span><span class="lineCov"> 17589 : void pathexport(char* dst, size_t size, const char* src)</span>
<span class="lineNum"> 699 </span> : {
<span class="lineNum"> 700 </span><span class="lineCov"> 17589 : pathcpy(dst, size, src);</span>
<span class="lineNum"> 701 </span> :
<span class="lineNum"> 702 </span> : #ifdef _WIN32
<span class="lineNum"> 703 </span> : /* invert the import */
<span class="lineNum"> 704 </span> : while (*dst) {
<span class="lineNum"> 705 </span> : switch (*dst) {
<span class="lineNum"> 706 </span> : case '/' :
<span class="lineNum"> 707 </span> : *dst = '\\';
<span class="lineNum"> 708 </span> : break;
<span class="lineNum"> 709 </span> : case '\\' :
<span class="lineNum"> 710 </span> : *dst = '^';
<span class="lineNum"> 711 </span> : break;
<span class="lineNum"> 712 </span> : }
<span class="lineNum"> 713 </span> : ++dst;
<span class="lineNum"> 714 </span> : }
<span class="lineNum"> 715 </span> : #endif
<a name="716"><span class="lineNum"> 716 </span><span class="lineCov"> 17589 : }</span></a>
<span class="lineNum"> 717 </span> :
<span class="lineNum"> 718 </span><span class="lineCov"> 51564160 : void pathprint(char* dst, size_t size, const char* format, ...)</span>
<span class="lineNum"> 719 </span> : {
<span class="lineNum"> 720 </span> : size_t len;
<span class="lineNum"> 721 </span> : va_list ap;
<span class="lineNum"> 722 </span> :
<span class="lineNum"> 723 </span><span class="lineCov"> 51564160 : va_start(ap, format);</span>
<span class="lineNum"> 724 </span><span class="lineCov"> 51564160 : len = vsnprintf(dst, size, format, ap);</span>
<span class="lineNum"> 725 </span><span class="lineCov"> 51564160 : va_end(ap);</span>
<span class="lineNum"> 726 </span> :
<span class="lineNum"> 727 </span><span class="lineCov"> 51564160 : if (len &gt;= size) {</span>
<span class="lineNum"> 728 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 729 </span> : if (size &gt; 0) {
<span class="lineNum"> 730 </span> : dst[size - 1] = 0;
<span class="lineNum"> 731 </span> : log_fatal(&quot;Path too long '%s...'\n&quot;, dst);
<span class="lineNum"> 732 </span> : } else {
<span class="lineNum"> 733 </span> : log_fatal(&quot;Path too long for empty size'\n&quot;);
<span class="lineNum"> 734 </span> : }
<span class="lineNum"> 735 </span> : os_abort();
<span class="lineNum"> 736 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 737 </span> : }
<a name="738"><span class="lineNum"> 738 </span><span class="lineCov"> 51564160 : }</span></a>
<span class="lineNum"> 739 </span> :
<span class="lineNum"> 740 </span><span class="lineCov"> 7705 : void pathslash(char* dst, size_t size)</span>
<span class="lineNum"> 741 </span> : {
<span class="lineNum"> 742 </span><span class="lineCov"> 7705 : size_t len = strlen(dst);</span>
<span class="lineNum"> 743 </span> :
<span class="lineNum"> 744 </span><span class="lineCov"> 7705 : if (len &gt; 0 &amp;&amp; dst[len - 1] != '/') {</span>
<span class="lineNum"> 745 </span><span class="lineCov"> 6114 : if (len + 2 &gt;= size) {</span>
<span class="lineNum"> 746 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 747 </span> : log_fatal(&quot;Path too long '%s/'\n&quot;, dst);
<span class="lineNum"> 748 </span> : os_abort();
<span class="lineNum"> 749 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 750 </span> : }
<span class="lineNum"> 751 </span> :
<span class="lineNum"> 752 </span><span class="lineCov"> 6114 : dst[len] = '/';</span>
<span class="lineNum"> 753 </span><span class="lineCov"> 6114 : dst[len + 1] = 0;</span>
<span class="lineNum"> 754 </span> : }
<a name="755"><span class="lineNum"> 755 </span><span class="lineCov"> 7705 : }</span></a>
<span class="lineNum"> 756 </span> :
<span class="lineNum"> 757 </span><span class="lineCov"> 100 : void pathcut(char* dst)</span>
<span class="lineNum"> 758 </span> : {
<span class="lineNum"> 759 </span><span class="lineCov"> 100 : char* slash = strrchr(dst, '/');</span>
<span class="lineNum"> 760 </span> :
<span class="lineNum"> 761 </span><span class="lineCov"> 100 : if (slash)</span>
<span class="lineNum"> 762 </span><span class="lineCov"> 100 : slash[1] = 0;</span>
<span class="lineNum"> 763 </span> : else
<span class="lineNum"> 764 </span><span class="lineNoCov"> 0 : dst[0] = 0;</span>
<a name="765"><span class="lineNum"> 765 </span><span class="lineCov"> 100 : }</span></a>
<span class="lineNum"> 766 </span> :
<span class="lineNum"> 767 </span><span class="lineCov"> 51890261 : int pathcmp(const char* a, const char* b)</span>
<span class="lineNum"> 768 </span> : {
<span class="lineNum"> 769 </span> : #ifdef _WIN32
<span class="lineNum"> 770 </span> : char ai[PATH_MAX];
<span class="lineNum"> 771 </span> : char bi[PATH_MAX];
<span class="lineNum"> 772 </span> :
<span class="lineNum"> 773 </span> : /* import to convert \ to / */
<span class="lineNum"> 774 </span> : pathimport(ai, sizeof(ai), a);
<span class="lineNum"> 775 </span> : pathimport(bi, sizeof(bi), b);
<span class="lineNum"> 776 </span> :
<span class="lineNum"> 777 </span> : /* case insensitive compare in Windows */
<span class="lineNum"> 778 </span> : return stricmp(ai, bi);
<span class="lineNum"> 779 </span> : #else
<span class="lineNum"> 780 </span><span class="lineCov"> 51890261 : return strcmp(a, b);</span>
<span class="lineNum"> 781 </span> : #endif
<span class="lineNum"> 782 </span> : }
<span class="lineNum"> 783 </span> :
<span class="lineNum"> 784 </span> : /****************************************************************************/
<a name="785"><span class="lineNum"> 785 </span> : /* file-system */</a>
<span class="lineNum"> 786 </span> :
<span class="lineNum"> 787 </span><span class="lineCov"> 793073 : int mkancestor(const char* file)</span>
<span class="lineNum"> 788 </span> : {
<span class="lineNum"> 789 </span> : char dir[PATH_MAX];
<span class="lineNum"> 790 </span> : struct stat st;
<span class="lineNum"> 791 </span> : char* c;
<span class="lineNum"> 792 </span> :
<span class="lineNum"> 793 </span><span class="lineCov"> 793073 : pathcpy(dir, sizeof(dir), file);</span>
<span class="lineNum"> 794 </span> :
<span class="lineNum"> 795 </span><span class="lineCov"> 793073 : c = strrchr(dir, '/');</span>
<span class="lineNum"> 796 </span><span class="lineCov"> 793073 : if (!c) {</span>
<span class="lineNum"> 797 </span> : /* no ancestor */
<span class="lineNum"> 798 </span><span class="lineNoCov"> 0 : return 0;</span>
<span class="lineNum"> 799 </span> : }
<span class="lineNum"> 800 </span> :
<span class="lineNum"> 801 </span> : /* clear the file */
<span class="lineNum"> 802 </span><span class="lineCov"> 793073 : *c = 0;</span>
<span class="lineNum"> 803 </span> :
<span class="lineNum"> 804 </span> : /* if it's the root dir */
<span class="lineNum"> 805 </span><span class="lineCov"> 793073 : if (*dir == 0) {</span>
<span class="lineNum"> 806 </span> : /* nothing more to do */
<span class="lineNum"> 807 </span><span class="lineNoCov"> 0 : return 0;</span>
<span class="lineNum"> 808 </span> : }
<span class="lineNum"> 809 </span> :
<span class="lineNum"> 810 </span> : #ifdef _WIN32
<span class="lineNum"> 811 </span> : /* if it's a drive specificaion like &quot;C:&quot; */
<span class="lineNum"> 812 </span> : if (isalpha(dir[0]) &amp;&amp; dir[1] == ':' &amp;&amp; dir[2] == 0) {
<span class="lineNum"> 813 </span> : /* nothing more to do */
<span class="lineNum"> 814 </span> : return 0;
<span class="lineNum"> 815 </span> : }
<span class="lineNum"> 816 </span> : #endif
<span class="lineNum"> 817 </span> :
<span class="lineNum"> 818 </span> : /*
<span class="lineNum"> 819 </span> : * Check if the dir already exists using lstat().
<span class="lineNum"> 820 </span> : *
<span class="lineNum"> 821 </span> : * Note that in Windows when dealing with read-only media
<span class="lineNum"> 822 </span> : * you cannot try to create the directory, and expecting
<span class="lineNum"> 823 </span> : * the EEXIST error because the call will fail with ERROR_WRITE_PROTECTED.
<span class="lineNum"> 824 </span> : *
<span class="lineNum"> 825 </span> : * Also in Windows it's better to use lstat() than stat() because it
<span class="lineNum"> 826 </span> : * doesn't need to open the dir with CreateFile().
<span class="lineNum"> 827 </span> : */
<span class="lineNum"> 828 </span><span class="lineCov"> 793073 : if (lstat(dir, &amp;st) == 0) {</span>
<span class="lineNum"> 829 </span> : /* it already exists */
<span class="lineNum"> 830 </span><span class="lineCov"> 792993 : return 0;</span>
<span class="lineNum"> 831 </span> : }
<span class="lineNum"> 832 </span> :
<span class="lineNum"> 833 </span> : /* recursively create them all */
<span class="lineNum"> 834 </span><span class="lineCov"> 80 : if (mkancestor(dir) != 0) {</span>
<span class="lineNum"> 835 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 836 </span> : return -1;
<span class="lineNum"> 837 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 838 </span> : }
<span class="lineNum"> 839 </span> :
<span class="lineNum"> 840 </span> : /* create it */
<span class="lineNum"> 841 </span><span class="lineCov"> 80 : if (mkdir(dir, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) != 0) {</span>
<span class="lineNum"> 842 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 843 </span> : log_fatal(&quot;Error creating directory '%s'. %s.\n&quot;, dir, strerror(errno));
<span class="lineNum"> 844 </span> : return -1;
<span class="lineNum"> 845 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 846 </span> : }
<span class="lineNum"> 847 </span> :
<span class="lineNum"> 848 </span><span class="lineCov"> 80 : return 0;</span>
<a name="849"><span class="lineNum"> 849 </span> : }</a>
<span class="lineNum"> 850 </span> :
<span class="lineNum"> 851 </span><span class="lineCov"> 119580 : int fmtime(int f, int64_t mtime_sec, int mtime_nsec)</span>
<span class="lineNum"> 852 </span> : {
<span class="lineNum"> 853 </span> : #if HAVE_FUTIMENS
<span class="lineNum"> 854 </span> : struct timespec tv[2];
<span class="lineNum"> 855 </span> : #else
<span class="lineNum"> 856 </span> : struct timeval tv[2];
<span class="lineNum"> 857 </span> : #endif
<span class="lineNum"> 858 </span> : int ret;
<span class="lineNum"> 859 </span> :
<span class="lineNum"> 860 </span> : #if HAVE_FUTIMENS /* futimens() is preferred because it gives nanosecond precision */
<span class="lineNum"> 861 </span><span class="lineCov"> 119580 : tv[0].tv_sec = mtime_sec;</span>
<span class="lineNum"> 862 </span><span class="lineCov"> 119580 : if (mtime_nsec != STAT_NSEC_INVALID)</span>
<span class="lineNum"> 863 </span><span class="lineCov"> 119580 : tv[0].tv_nsec = mtime_nsec;</span>
<span class="lineNum"> 864 </span> : else
<span class="lineNum"> 865 </span><span class="lineNoCov"> 0 : tv[0].tv_nsec = 0;</span>
<span class="lineNum"> 866 </span><span class="lineCov"> 119580 : tv[1].tv_sec = tv[0].tv_sec;</span>
<span class="lineNum"> 867 </span><span class="lineCov"> 119580 : tv[1].tv_nsec = tv[0].tv_nsec;</span>
<span class="lineNum"> 868 </span> :
<span class="lineNum"> 869 </span><span class="lineCov"> 119580 : ret = futimens(f, tv);</span>
<span class="lineNum"> 870 </span> : #elif HAVE_FUTIMES /* fallback to futimes() if nanosecond precision is not available */
<span class="lineNum"> 871 </span> : tv[0].tv_sec = mtime_sec;
<span class="lineNum"> 872 </span> : if (mtime_nsec != STAT_NSEC_INVALID)
<span class="lineNum"> 873 </span> : tv[0].tv_usec = mtime_nsec / 1000;
<span class="lineNum"> 874 </span> : else
<span class="lineNum"> 875 </span> : tv[0].tv_usec = 0;
<span class="lineNum"> 876 </span> : tv[1].tv_sec = tv[0].tv_sec;
<span class="lineNum"> 877 </span> : tv[1].tv_usec = tv[0].tv_usec;
<span class="lineNum"> 878 </span> :
<span class="lineNum"> 879 </span> : ret = futimes(f, tv);
<span class="lineNum"> 880 </span> : #elif HAVE_FUTIMESAT /* fallback to futimesat() for Solaris, it only has futimesat() */
<span class="lineNum"> 881 </span> : tv[0].tv_sec = mtime_sec;
<span class="lineNum"> 882 </span> : if (mtime_nsec != STAT_NSEC_INVALID)
<span class="lineNum"> 883 </span> : tv[0].tv_usec = mtime_nsec / 1000;
<span class="lineNum"> 884 </span> : else
<span class="lineNum"> 885 </span> : tv[0].tv_usec = 0;
<span class="lineNum"> 886 </span> : tv[1].tv_sec = tv[0].tv_sec;
<span class="lineNum"> 887 </span> : tv[1].tv_usec = tv[0].tv_usec;
<span class="lineNum"> 888 </span> :
<span class="lineNum"> 889 </span> : ret = futimesat(f, 0, tv);
<span class="lineNum"> 890 </span> : #else
<span class="lineNum"> 891 </span> : #error No function available to set file timestamps with sub-second precision
<span class="lineNum"> 892 </span> : #endif
<span class="lineNum"> 893 </span> :
<span class="lineNum"> 894 </span><span class="lineCov"> 119580 : return ret;</span>
<span class="lineNum"> 895 </span> : }
<span class="lineNum"> 896 </span> :
<span class="lineNum"> 897 </span> : /****************************************************************************/
<a name="898"><span class="lineNum"> 898 </span> : /* advise */</a>
<span class="lineNum"> 899 </span> :
<span class="lineNum"> 900 </span><span class="lineCov"> 2494910 : void advise_init(struct advise_struct* advise, int mode)</span>
<span class="lineNum"> 901 </span> : {
<span class="lineNum"> 902 </span><span class="lineCov"> 2494910 : advise-&gt;mode = mode;</span>
<span class="lineNum"> 903 </span><span class="lineCov"> 2494910 : advise-&gt;dirty_begin = 0;</span>
<span class="lineNum"> 904 </span><span class="lineCov"> 2494910 : advise-&gt;dirty_end = 0;</span>
<a name="905"><span class="lineNum"> 905 </span><span class="lineCov"> 2494910 : }</span></a>
<span class="lineNum"> 906 </span> :
<span class="lineNum"> 907 </span><span class="lineCov"> 2494965 : int advise_flags(struct advise_struct* advise)</span>
<span class="lineNum"> 908 </span> : {
<span class="lineNum"> 909 </span><span class="lineCov"> 2494965 : int flags = 0;</span>
<span class="lineNum"> 910 </span> :
<span class="lineNum"> 911 </span><span class="lineCov"> 2494965 : if (advise-&gt;mode == ADVISE_SEQUENTIAL</span>
<span class="lineNum"> 912 </span><span class="lineCov"> 2483621 : || advise-&gt;mode == ADVISE_FLUSH</span>
<span class="lineNum"> 913 </span><span class="lineCov"> 34020 : || advise-&gt;mode == ADVISE_FLUSH_WINDOW</span>
<span class="lineNum"> 914 </span><span class="lineCov"> 22682 : || advise-&gt;mode == ADVISE_DISCARD</span>
<span class="lineNum"> 915 </span><span class="lineCov"> 22682 : || advise-&gt;mode == ADVISE_DISCARD_WINDOW</span>
<span class="lineNum"> 916 </span> : )
<span class="lineNum"> 917 </span><span class="lineCov"> 2483614 : flags |= O_SEQUENTIAL;</span>
<span class="lineNum"> 918 </span> :
<span class="lineNum"> 919 </span> : #if HAVE_DIRECT_IO
<span class="lineNum"> 920 </span><span class="lineCov"> 2494965 : if (advise-&gt;mode == ADVISE_DIRECT)</span>
<span class="lineNum"> 921 </span><span class="lineNoCov"> 0 : flags |= O_DIRECT;</span>
<span class="lineNum"> 922 </span> : #endif
<span class="lineNum"> 923 </span> :
<span class="lineNum"> 924 </span><span class="lineCov"> 2494965 : return flags;</span>
<a name="925"><span class="lineNum"> 925 </span> : }</a>
<span class="lineNum"> 926 </span> :
<span class="lineNum"> 927 </span><span class="lineCov"> 2416366 : int advise_open(struct advise_struct* advise, int f)</span>
<span class="lineNum"> 928 </span> : {
<span class="lineNum"> 929 </span> : (void)advise;
<span class="lineNum"> 930 </span> : (void)f;
<span class="lineNum"> 931 </span> :
<span class="lineNum"> 932 </span> : #if HAVE_POSIX_FADVISE
<span class="lineNum"> 933 </span><span class="lineCov"> 2416366 : if (advise-&gt;mode == ADVISE_SEQUENTIAL</span>
<span class="lineNum"> 934 </span><span class="lineCov"> 2405026 : || advise-&gt;mode == ADVISE_FLUSH</span>
<span class="lineNum"> 935 </span><span class="lineCov"> 34021 : || advise-&gt;mode == ADVISE_FLUSH_WINDOW</span>
<span class="lineNum"> 936 </span><span class="lineCov"> 22682 : || advise-&gt;mode == ADVISE_DISCARD</span>
<span class="lineNum"> 937 </span><span class="lineCov"> 22682 : || advise-&gt;mode == ADVISE_DISCARD_WINDOW</span>
<span class="lineNum"> 938 </span> : ) {
<span class="lineNum"> 939 </span> : int ret;
<span class="lineNum"> 940 </span> :
<span class="lineNum"> 941 </span> : /* advise sequential access */
<span class="lineNum"> 942 </span><span class="lineCov"> 2405029 : ret = posix_fadvise(f, 0, 0, POSIX_FADV_SEQUENTIAL);</span>
<span class="lineNum"> 943 </span><span class="lineCov"> 2405059 : if (ret == ENOSYS) {</span>
<span class="lineNum"> 944 </span> : /* call is not supported, like in armhf, see posix_fadvise manpage */
<span class="lineNum"> 945 </span><span class="lineNoCov"> 0 : ret = 0;</span>
<span class="lineNum"> 946 </span> : }
<span class="lineNum"> 947 </span><span class="lineCov"> 2405059 : if (ret != 0) {</span>
<span class="lineNum"> 948 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 949 </span> : errno = ret; /* posix_fadvise return the error code */
<span class="lineNum"> 950 </span> : return -1;
<span class="lineNum"> 951 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 952 </span> : }
<span class="lineNum"> 953 </span> : }
<span class="lineNum"> 954 </span> : #endif
<span class="lineNum"> 955 </span> :
<span class="lineNum"> 956 </span><span class="lineCov"> 2416396 : return 0;</span>
<a name="957"><span class="lineNum"> 957 </span> : }</a>
<span class="lineNum"> 958 </span> :
<span class="lineNum"> 959 </span><span class="lineCov"> 900358 : int advise_write(struct advise_struct* advise, int f, data_off_t offset, data_off_t size)</span>
<span class="lineNum"> 960 </span> : {
<span class="lineNum"> 961 </span> : data_off_t flush_offset;
<span class="lineNum"> 962 </span> : data_off_t flush_size;
<span class="lineNum"> 963 </span> : data_off_t discard_offset;
<span class="lineNum"> 964 </span> : data_off_t discard_size;
<span class="lineNum"> 965 </span> :
<span class="lineNum"> 966 </span> : (void)f;
<span class="lineNum"> 967 </span> : (void)flush_offset;
<span class="lineNum"> 968 </span> : (void)flush_size;
<span class="lineNum"> 969 </span> : (void)discard_offset;
<span class="lineNum"> 970 </span> : (void)discard_size;
<span class="lineNum"> 971 </span> :
<span class="lineNum"> 972 </span><span class="lineCov"> 900358 : flush_offset = 0;</span>
<span class="lineNum"> 973 </span><span class="lineCov"> 900358 : flush_size = 0;</span>
<span class="lineNum"> 974 </span><span class="lineCov"> 900358 : discard_offset = 0;</span>
<span class="lineNum"> 975 </span><span class="lineCov"> 900358 : discard_size = 0;</span>
<span class="lineNum"> 976 </span> :
<span class="lineNum"> 977 </span> : /*
<span class="lineNum"> 978 </span> : * Follow Linus recommendations about fast writes.
<span class="lineNum"> 979 </span> : *
<span class="lineNum"> 980 </span> : * Linus &quot;Unexpected splice &quot;always copy&quot; behavior observed&quot;
<span class="lineNum"> 981 </span> : * http://thread.gmane.org/gmane.linux.kernel/987247/focus=988070
<span class="lineNum"> 982 </span> : * ---
<span class="lineNum"> 983 </span> : * I have had _very_ good experiences with even a rather trivial
<span class="lineNum"> 984 </span> : * file writer that basically used (iirc) 8MB windows, and the logic was very
<span class="lineNum"> 985 </span> : * trivial:
<span class="lineNum"> 986 </span> : *
<span class="lineNum"> 987 </span> : * - before writing a new 8M window, do &quot;start writeback&quot;
<span class="lineNum"> 988 </span> : * (SYNC_FILE_RANGE_WRITE) on the previous window, and do
<span class="lineNum"> 989 </span> : * a wait (SYNC_FILE_RANGE_WAIT_AFTER) on the window before that.
<span class="lineNum"> 990 </span> : *
<span class="lineNum"> 991 </span> : * in fact, in its simplest form, you can do it like this (this is from my
<span class="lineNum"> 992 </span> : * &quot;overwrite disk images&quot; program that I use on old disks):
<span class="lineNum"> 993 </span> : *
<span class="lineNum"> 994 </span> : * for (index = 0; index &lt; max_index ;index++) {
<span class="lineNum"> 995 </span> : * if (write(fd, buffer, BUFSIZE) != BUFSIZE)
<span class="lineNum"> 996 </span> : * break;
<span class="lineNum"> 997 </span> : * // This won't block, but will start writeout asynchronously
<span class="lineNum"> 998 </span> : * sync_file_range(fd, index*BUFSIZE, BUFSIZE, SYNC_FILE_RANGE_WRITE);
<span class="lineNum"> 999 </span> : * // This does a blocking write-and-wait on any old ranges
<span class="lineNum"> 1000 </span> : * if (index)
<span class="lineNum"> 1001 </span> : * sync_file_range(fd, (index-1)*BUFSIZE, BUFSIZE, SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER);
<span class="lineNum"> 1002 </span> : * }
<span class="lineNum"> 1003 </span> : *
<span class="lineNum"> 1004 </span> : * and even if you don't actually do a discard (maybe we should add a
<span class="lineNum"> 1005 </span> : * SYNC_FILE_RANGE_DISCARD bit, right now you'd need to do a separate
<span class="lineNum"> 1006 </span> : * fadvise(FADV_DONTNEED) to throw it out) the system behavior is pretty
<span class="lineNum"> 1007 </span> : * nice, because the heavy writer gets good IO performance _and_ leaves only
<span class="lineNum"> 1008 </span> : * easy-to-free pages around after itself.
<span class="lineNum"> 1009 </span> : * ---
<span class="lineNum"> 1010 </span> : *
<span class="lineNum"> 1011 </span> : * Linus &quot;Unexpected splice &quot;always copy&quot; behavior observed&quot;
<span class="lineNum"> 1012 </span> : * http://thread.gmane.org/gmane.linux.kernel/987247/focus=988176
<span class="lineNum"> 1013 </span> : * ---
<span class="lineNum"> 1014 </span> : * The behavior for dirty page writeback is _not_ well defined, and
<span class="lineNum"> 1015 </span> : * if you do POSIX_FADV_DONTNEED, I would suggest you do it as part of that
<span class="lineNum"> 1016 </span> : * writeback logic, ie you do it only on ranges that you have just waited on.
<span class="lineNum"> 1017 </span> : *
<span class="lineNum"> 1018 </span> : * IOW, in my example, you'd couple the
<span class="lineNum"> 1019 </span> : *
<span class="lineNum"> 1020 </span> : * sync_file_range(fd, (index-1)*BUFSIZE, BUFSIZE, SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER);
<span class="lineNum"> 1021 </span> : *
<span class="lineNum"> 1022 </span> : * with a
<span class="lineNum"> 1023 </span> : *
<span class="lineNum"> 1024 </span> : * posix_fadvise(fd, (index-1)*BUFSIZE, BUFSIZE, POSIX_FADV_DONTNEED);
<span class="lineNum"> 1025 </span> : *
<span class="lineNum"> 1026 </span> : * afterwards to throw out the pages that you just waited for.
<span class="lineNum"> 1027 </span> : * ---
<span class="lineNum"> 1028 </span> : */
<span class="lineNum"> 1029 </span> :
<span class="lineNum"> 1030 </span><span class="lineCov"> 900358 : switch (advise-&gt;mode) {</span>
<span class="lineNum"> 1031 </span> : case ADVISE_FLUSH :
<span class="lineNum"> 1032 </span><span class="lineCov"> 881613 : flush_offset = offset;</span>
<span class="lineNum"> 1033 </span><span class="lineCov"> 881613 : flush_size = size;</span>
<span class="lineNum"> 1034 </span><span class="lineCov"> 881613 : break;</span>
<span class="lineNum"> 1035 </span> : case ADVISE_DISCARD :
<span class="lineNum"> 1036 </span><span class="lineNoCov"> 0 : discard_offset = offset;</span>
<span class="lineNum"> 1037 </span><span class="lineNoCov"> 0 : discard_size = size;</span>
<span class="lineNum"> 1038 </span><span class="lineNoCov"> 0 : break;</span>
<span class="lineNum"> 1039 </span> : case ADVISE_FLUSH_WINDOW :
<span class="lineNum"> 1040 </span> : /* if the dirty range can be extended */
<span class="lineNum"> 1041 </span><span class="lineCov"> 4687 : if (advise-&gt;dirty_end == offset) {</span>
<span class="lineNum"> 1042 </span> : /* extent the dirty range */
<span class="lineNum"> 1043 </span><span class="lineCov"> 4687 : advise-&gt;dirty_end += size;</span>
<span class="lineNum"> 1044 </span> :
<span class="lineNum"> 1045 </span> : /* if we reached the window size */
<span class="lineNum"> 1046 </span><span class="lineCov"> 4687 : if (advise-&gt;dirty_end - advise-&gt;dirty_begin &gt;= ADVISE_WINDOW_SIZE) {</span>
<span class="lineNum"> 1047 </span> : /* flush the window */
<span class="lineNum"> 1048 </span><span class="lineNoCov"> 0 : flush_offset = advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1049 </span><span class="lineNoCov"> 0 : flush_size = ADVISE_WINDOW_SIZE;</span>
<span class="lineNum"> 1050 </span> :
<span class="lineNum"> 1051 </span> : /* remove it from the dirty range */
<span class="lineNum"> 1052 </span><span class="lineNoCov"> 0 : advise-&gt;dirty_begin += ADVISE_WINDOW_SIZE;</span>
<span class="lineNum"> 1053 </span> : }
<span class="lineNum"> 1054 </span> : } else {
<span class="lineNum"> 1055 </span> : /* otherwise flush the existing dirty */
<span class="lineNum"> 1056 </span><span class="lineNoCov"> 0 : flush_offset = advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1057 </span><span class="lineNoCov"> 0 : flush_size = advise-&gt;dirty_end - advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1058 </span> :
<span class="lineNum"> 1059 </span> : /* and set the new range as dirty */
<span class="lineNum"> 1060 </span><span class="lineNoCov"> 0 : advise-&gt;dirty_begin = offset;</span>
<span class="lineNum"> 1061 </span><span class="lineNoCov"> 0 : advise-&gt;dirty_end = offset + size;</span>
<span class="lineNum"> 1062 </span> : }
<span class="lineNum"> 1063 </span><span class="lineCov"> 4687 : break;</span>
<span class="lineNum"> 1064 </span> : case ADVISE_DISCARD_WINDOW :
<span class="lineNum"> 1065 </span> : /* if the dirty range can be extended */
<span class="lineNum"> 1066 </span><span class="lineCov"> 4687 : if (advise-&gt;dirty_end == offset) {</span>
<span class="lineNum"> 1067 </span> : /* extent the dirty range */
<span class="lineNum"> 1068 </span><span class="lineCov"> 4687 : advise-&gt;dirty_end += size;</span>
<span class="lineNum"> 1069 </span> :
<span class="lineNum"> 1070 </span> : /* if we reached the double window size */
<span class="lineNum"> 1071 </span><span class="lineCov"> 4687 : if (advise-&gt;dirty_end - advise-&gt;dirty_begin &gt;= 2 * ADVISE_WINDOW_SIZE) {</span>
<span class="lineNum"> 1072 </span> : /* discard the first window */
<span class="lineNum"> 1073 </span><span class="lineNoCov"> 0 : discard_offset = advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1074 </span><span class="lineNoCov"> 0 : discard_size = ADVISE_WINDOW_SIZE;</span>
<span class="lineNum"> 1075 </span> :
<span class="lineNum"> 1076 </span> : /* remove it from the dirty range */
<span class="lineNum"> 1077 </span><span class="lineNoCov"> 0 : advise-&gt;dirty_begin += ADVISE_WINDOW_SIZE;</span>
<span class="lineNum"> 1078 </span> :
<span class="lineNum"> 1079 </span> : /* flush the second window */
<span class="lineNum"> 1080 </span><span class="lineNoCov"> 0 : flush_offset = advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1081 </span><span class="lineNoCov"> 0 : flush_size = ADVISE_WINDOW_SIZE;</span>
<span class="lineNum"> 1082 </span> : }
<span class="lineNum"> 1083 </span> : } else {
<span class="lineNum"> 1084 </span> : /* otherwise discard the existing dirty */
<span class="lineNum"> 1085 </span><span class="lineNoCov"> 0 : discard_offset = advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1086 </span><span class="lineNoCov"> 0 : discard_size = advise-&gt;dirty_end - advise-&gt;dirty_begin;</span>
<span class="lineNum"> 1087 </span> :
<span class="lineNum"> 1088 </span> : /* and set the new range as dirty */
<span class="lineNum"> 1089 </span><span class="lineNoCov"> 0 : advise-&gt;dirty_begin = offset;</span>
<span class="lineNum"> 1090 </span><span class="lineNoCov"> 0 : advise-&gt;dirty_end = offset + size;</span>
<span class="lineNum"> 1091 </span> : }
<span class="lineNum"> 1092 </span><span class="lineCov"> 4687 : break;</span>
<span class="lineNum"> 1093 </span> : }
<span class="lineNum"> 1094 </span> :
<span class="lineNum"> 1095 </span> : #if HAVE_SYNC_FILE_RANGE
<span class="lineNum"> 1096 </span><span class="lineCov"> 900358 : if (flush_size != 0) {</span>
<span class="lineNum"> 1097 </span> : int ret;
<span class="lineNum"> 1098 </span> :
<span class="lineNum"> 1099 </span> : /* start writing immediately */
<span class="lineNum"> 1100 </span><span class="lineCov"> 881612 : ret = sync_file_range(f, flush_offset, flush_size, SYNC_FILE_RANGE_WRITE);</span>
<span class="lineNum"> 1101 </span><span class="lineCov"> 881612 : if (ret != 0) {</span>
<span class="lineNum"> 1102 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1103 </span> : return -1;
<span class="lineNum"> 1104 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1105 </span> : }
<span class="lineNum"> 1106 </span> : }
<span class="lineNum"> 1107 </span> : #endif
<span class="lineNum"> 1108 </span> :
<span class="lineNum"> 1109 </span> : #if HAVE_SYNC_FILE_RANGE &amp;&amp; HAVE_POSIX_FADVISE
<span class="lineNum"> 1110 </span><span class="lineCov"> 900358 : if (discard_size != 0) {</span>
<span class="lineNum"> 1111 </span> : int ret;
<span class="lineNum"> 1112 </span> :
<span class="lineNum"> 1113 </span> : /* send the data to the disk and wait until it's written */
<span class="lineNum"> 1114 </span><span class="lineNoCov"> 0 : ret = sync_file_range(f, discard_offset, discard_size, SYNC_FILE_RANGE_WAIT_BEFORE | SYNC_FILE_RANGE_WRITE | SYNC_FILE_RANGE_WAIT_AFTER);</span>
<span class="lineNum"> 1115 </span><span class="lineNoCov"> 0 : if (ret != 0) {</span>
<span class="lineNum"> 1116 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1117 </span> : return -1;
<span class="lineNum"> 1118 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1119 </span> : }
<span class="lineNum"> 1120 </span> :
<span class="lineNum"> 1121 </span> : /* flush the data from the cache */
<span class="lineNum"> 1122 </span><span class="lineNoCov"> 0 : ret = posix_fadvise(f, discard_offset, discard_size, POSIX_FADV_DONTNEED);</span>
<span class="lineNum"> 1123 </span> : /* for POSIX_FADV_DONTNEED we don't allow failure with ENOSYS */
<span class="lineNum"> 1124 </span><span class="lineNoCov"> 0 : if (ret != 0) {</span>
<span class="lineNum"> 1125 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1126 </span> : errno = ret; /* posix_fadvise return the error code */
<span class="lineNum"> 1127 </span> : return -1;
<span class="lineNum"> 1128 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1129 </span> : }
<span class="lineNum"> 1130 </span> : }
<span class="lineNum"> 1131 </span> : #endif
<span class="lineNum"> 1132 </span> :
<span class="lineNum"> 1133 </span><span class="lineCov"> 900358 : return 0;</span>
<a name="1134"><span class="lineNum"> 1134 </span> : }</a>
<span class="lineNum"> 1135 </span> :
<span class="lineNum"> 1136 </span><span class="lineCov"> 8903631 : int advise_read(struct advise_struct* advise, int f, data_off_t offset, data_off_t size)</span>
<span class="lineNum"> 1137 </span> : {
<span class="lineNum"> 1138 </span> : (void)advise;
<span class="lineNum"> 1139 </span> : (void)f;
<span class="lineNum"> 1140 </span> : (void)offset;
<span class="lineNum"> 1141 </span> : (void)size;
<span class="lineNum"> 1142 </span> :
<span class="lineNum"> 1143 </span> : #if HAVE_POSIX_FADVISE
<span class="lineNum"> 1144 </span><span class="lineCov"> 8903631 : if (advise-&gt;mode == ADVISE_DISCARD</span>
<span class="lineNum"> 1145 </span><span class="lineCov"> 8903983 : || advise-&gt;mode == ADVISE_DISCARD_WINDOW</span>
<span class="lineNum"> 1146 </span> : ) {
<span class="lineNum"> 1147 </span> : int ret;
<span class="lineNum"> 1148 </span> :
<span class="lineNum"> 1149 </span> : /* flush the data from the cache */
<span class="lineNum"> 1150 </span><span class="lineCov"> 27482 : ret = posix_fadvise(f, offset, size, POSIX_FADV_DONTNEED);</span>
<span class="lineNum"> 1151 </span> : /* for POSIX_FADV_DONTNEED we don't allow failure with ENOSYS */
<span class="lineNum"> 1152 </span><span class="lineCov"> 27825 : if (ret != 0) {</span>
<span class="lineNum"> 1153 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1154 </span> : errno = ret; /* posix_fadvise return the error code */
<span class="lineNum"> 1155 </span> : return -1;
<span class="lineNum"> 1156 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1157 </span> : }
<span class="lineNum"> 1158 </span> : }
<span class="lineNum"> 1159 </span> : #endif
<span class="lineNum"> 1160 </span> :
<span class="lineNum"> 1161 </span> : /*
<span class="lineNum"> 1162 </span> : * Here we cannot call posix_fadvise(..., POSIX_FADV_WILLNEED) for the next block
<span class="lineNum"> 1163 </span> : * because it may be blocking.
<span class="lineNum"> 1164 </span> : *
<span class="lineNum"> 1165 </span> : * Ted Ts'o &quot;posix_fadvise(POSIX_FADV_WILLNEED) waits before returning?&quot;
<span class="lineNum"> 1166 </span> : * https://lkml.org/lkml/2010/12/6/122
<span class="lineNum"> 1167 </span> : * ---
<span class="lineNum"> 1168 </span> : * readahead and posix_fadvise(POSIX_FADV_WILLNEED) work exactly the same
<span class="lineNum"> 1169 </span> : * way, and in fact share mostly the same code path (see
<span class="lineNum"> 1170 </span> : * force_page_cache_readahead() in mm/readahead.c).
<span class="lineNum"> 1171 </span> : *
<span class="lineNum"> 1172 </span> : * They are asynchronous in that there is no guarantee the pages will be
<span class="lineNum"> 1173 </span> : * in the page cache by the time they return. But at the same time, they
<span class="lineNum"> 1174 </span> : * are not guaranteed to be non-blocking. That is, the work of doing the
<span class="lineNum"> 1175 </span> : * readahead does not take place in a kernel thread. So if you try to
<span class="lineNum"> 1176 </span> : * request I/O than will fit in the request queue, the system call will
<span class="lineNum"> 1177 </span> : * block until some I/O is completed so that more I/O requested cam be
<span class="lineNum"> 1178 </span> : * loaded onto the request queue.
<span class="lineNum"> 1179 </span> : *
<span class="lineNum"> 1180 </span> : * The only way to fix this would be to either put the work on a kernel
<span class="lineNum"> 1181 </span> : * thread (i.e., some kind of workqueue) or in a userspace thread. For
<span class="lineNum"> 1182 </span> : * ion programmer wondering what to do today, I'd suggest the
<span class="lineNum"> 1183 </span> : * latter since it will be more portable across various kernel versions.
<span class="lineNum"> 1184 </span> : *
<span class="lineNum"> 1185 </span> : * This does leave the question about whether we should change the kernel
<span class="lineNum"> 1186 </span> : * to allow readahead() and posix_fadvise(POSIX_FADV_WILLNEED) to be
<span class="lineNum"> 1187 </span> : * non-blocking and do this work in a workqueue (or via some kind of
<span class="lineNum"> 1188 </span> : * callback/continuation scheme). My worry is just doing this if a user
<span class="lineNum"> 1189 </span> : * application does something crazy, like request gigabytes and gigabytes
<span class="lineNum"> 1190 </span> : * of readahead, and then repents of their craziness, there should be a
<span class="lineNum"> 1191 </span> : * way of cancelling the readahead request. Today, the user can just
<span class="lineNum"> 1192 </span> : * kill the application. But if we simply shove the work to a kernel
<span class="lineNum"> 1193 </span> : * thread, it becomes a lot harder to cancel the readahead request. We'd
<span class="lineNum"> 1194 </span> : * have to invent a new API, and then have a way to know whether the user
<span class="lineNum"> 1195 </span> : * has access to kill a particular readahead request, etc.
<span class="lineNum"> 1196 </span> : * ---
<span class="lineNum"> 1197 </span> : */
<span class="lineNum"> 1198 </span> :
<span class="lineNum"> 1199 </span><span class="lineCov"> 8903974 : return 0;</span>
<span class="lineNum"> 1200 </span> : }
<span class="lineNum"> 1201 </span> :
<span class="lineNum"> 1202 </span> : /****************************************************************************/
<span class="lineNum"> 1203 </span> : /* memory */
<span class="lineNum"> 1204 </span> :
<span class="lineNum"> 1205 </span> : /**
<span class="lineNum"> 1206 </span> : * Total amount of memory allocated.
<span class="lineNum"> 1207 </span> : */
<a name="1208"><span class="lineNum"> 1208 </span> : static size_t mcounter;</a>
<span class="lineNum"> 1209 </span> :
<span class="lineNum"> 1210 </span><span class="lineCov"> 476 : size_t malloc_counter_get(void)</span>
<span class="lineNum"> 1211 </span> : {
<span class="lineNum"> 1212 </span> : size_t ret;
<span class="lineNum"> 1213 </span> :
<span class="lineNum"> 1214 </span><span class="lineCov"> 476 : lock_memory();</span>
<span class="lineNum"> 1215 </span> :
<span class="lineNum"> 1216 </span><span class="lineCov"> 476 : ret = mcounter;</span>
<span class="lineNum"> 1217 </span> :
<span class="lineNum"> 1218 </span><span class="lineCov"> 476 : unlock_memory();</span>
<span class="lineNum"> 1219 </span> :
<span class="lineNum"> 1220 </span><span class="lineCov"> 476 : return ret;</span>
<a name="1221"><span class="lineNum"> 1221 </span> : }</a>
<span class="lineNum"> 1222 </span> :
<span class="lineNum"> 1223 </span><span class="lineCov"> 20173411 : void malloc_counter_inc(size_t inc)</span>
<span class="lineNum"> 1224 </span> : {
<span class="lineNum"> 1225 </span><span class="lineCov"> 20173411 : lock_memory();</span>
<span class="lineNum"> 1226 </span> :
<span class="lineNum"> 1227 </span><span class="lineCov"> 20173411 : mcounter += inc;</span>
<span class="lineNum"> 1228 </span> :
<span class="lineNum"> 1229 </span><span class="lineCov"> 20173411 : unlock_memory();</span>
<span class="lineNum"> 1230 </span><span class="lineCov"> 20173411 : }</span>
<span class="lineNum"> 1231 </span> :
<span class="lineNum"> 1232 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1233 </span> : static ssize_t malloc_print(int f, const char* str)
<span class="lineNum"> 1234 </span> : {
<span class="lineNum"> 1235 </span> : ssize_t len = 0;
<span class="lineNum"> 1236 </span> :
<span class="lineNum"> 1237 </span> : while (str[len])
<span class="lineNum"> 1238 </span> : ++len;
<span class="lineNum"> 1239 </span> : return write(f, str, len);
<span class="lineNum"> 1240 </span> : }
<span class="lineNum"> 1241 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1242 </span> :
<span class="lineNum"> 1243 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1244 </span> : static ssize_t malloc_printn(int f, size_t value)
<span class="lineNum"> 1245 </span> : {
<span class="lineNum"> 1246 </span> : char buf[32];
<span class="lineNum"> 1247 </span> : int i;
<span class="lineNum"> 1248 </span> :
<span class="lineNum"> 1249 </span> : if (!value)
<span class="lineNum"> 1250 </span> : return write(f, &quot;0&quot;, 1);
<span class="lineNum"> 1251 </span> :
<span class="lineNum"> 1252 </span> : i = sizeof(buf);
<span class="lineNum"> 1253 </span> : while (value) {
<span class="lineNum"> 1254 </span> : buf[--i] = (value % 10) + '0';
<span class="lineNum"> 1255 </span> : value /= 10;
<span class="lineNum"> 1256 </span> : }
<span class="lineNum"> 1257 </span> :
<span class="lineNum"> 1258 </span> : return write(f, buf + i, sizeof(buf) - i);
<span class="lineNum"> 1259 </span> : }
<span class="lineNum"> 1260 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1261 </span> :
<span class="lineNum"> 1262 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1263 </span> : void malloc_fail(size_t size)
<span class="lineNum"> 1264 </span> : {
<span class="lineNum"> 1265 </span> : /* don't use printf to avoid any possible extra allocation */
<span class="lineNum"> 1266 </span> : int f = 2; /* stderr */
<span class="lineNum"> 1267 </span> :
<span class="lineNum"> 1268 </span> : malloc_print(f, &quot;Failed for Low Memory!\n&quot;);
<span class="lineNum"> 1269 </span> : malloc_print(f, &quot;Allocating &quot;);
<span class="lineNum"> 1270 </span> : malloc_printn(f, size);
<span class="lineNum"> 1271 </span> : malloc_print(f, &quot; bytes.\n&quot;);
<span class="lineNum"> 1272 </span> : malloc_print(f, &quot;Already allocated &quot;);
<span class="lineNum"> 1273 </span> : malloc_printn(f, malloc_counter_get());
<span class="lineNum"> 1274 </span> : malloc_print(f, &quot; bytes.\n&quot;);
<span class="lineNum"> 1275 </span> : if (sizeof(void*) == 4) {
<span class="lineNum"> 1276 </span> : malloc_print(f, &quot;You are currently using a 32 bits executable.\n&quot;);
<span class="lineNum"> 1277 </span> : malloc_print(f, &quot;If you have more than 4GB of memory, please upgrade to a 64 bits one.\n&quot;);
<span class="lineNum"> 1278 </span> : }
<span class="lineNum"> 1279 </span> : }
<a name="1280"><span class="lineNum"> 1280 </span> : /* LCOV_EXCL_STOP */</a>
<span class="lineNum"> 1281 </span> :
<span class="lineNum"> 1282 </span><span class="lineCov"> 14363921 : void* malloc_nofail(size_t size)</span>
<span class="lineNum"> 1283 </span> : {
<span class="lineNum"> 1284 </span><span class="lineCov"> 14363921 : void* ptr = malloc(size);</span>
<span class="lineNum"> 1285 </span> :
<span class="lineNum"> 1286 </span><span class="lineCov"> 14363921 : if (!ptr) {</span>
<span class="lineNum"> 1287 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1288 </span> : malloc_fail(size);
<span class="lineNum"> 1289 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 1290 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1291 </span> : }
<span class="lineNum"> 1292 </span> :
<span class="lineNum"> 1293 </span> : #ifndef CHECKER /* Don't preinitialize when running for valgrind */
<span class="lineNum"> 1294 </span> : /* Here we preinitialize the memory to ensure that the OS is really allocating it */
<span class="lineNum"> 1295 </span> : /* and not only reserving the addressable space. */
<span class="lineNum"> 1296 </span> : /* Otherwise we are risking that the OOM (Out Of Memory) killer in Linux will kill the process. */
<span class="lineNum"> 1297 </span> : /* Filling the memory doesn't ensure to disable OOM, but it increase a lot the chances to */
<span class="lineNum"> 1298 </span> : /* get a real error from malloc() instead than a process killed. */
<span class="lineNum"> 1299 </span> : /* Note that calloc() doesn't have the same effect. */
<span class="lineNum"> 1300 </span><span class="lineCov"> 14363921 : memset(ptr, 0xA5, size);</span>
<span class="lineNum"> 1301 </span> : #endif
<span class="lineNum"> 1302 </span> :
<span class="lineNum"> 1303 </span><span class="lineCov"> 14363921 : malloc_counter_inc(size);</span>
<span class="lineNum"> 1304 </span> :
<span class="lineNum"> 1305 </span><span class="lineCov"> 14363921 : return ptr;</span>
<a name="1306"><span class="lineNum"> 1306 </span> : }</a>
<span class="lineNum"> 1307 </span> :
<span class="lineNum"> 1308 </span><span class="lineCov"> 10089 : void* calloc_nofail(size_t count, size_t size)</span>
<span class="lineNum"> 1309 </span> : {
<span class="lineNum"> 1310 </span> : void* ptr;
<span class="lineNum"> 1311 </span> :
<span class="lineNum"> 1312 </span><span class="lineCov"> 10089 : size *= count;</span>
<span class="lineNum"> 1313 </span> :
<span class="lineNum"> 1314 </span> : /* see the note in malloc_nofail() of why we don't use calloc() */
<span class="lineNum"> 1315 </span><span class="lineCov"> 10089 : ptr = malloc(size);</span>
<span class="lineNum"> 1316 </span> :
<span class="lineNum"> 1317 </span><span class="lineCov"> 10089 : if (!ptr) {</span>
<span class="lineNum"> 1318 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1319 </span> : malloc_fail(size);
<span class="lineNum"> 1320 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 1321 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1322 </span> : }
<span class="lineNum"> 1323 </span> :
<span class="lineNum"> 1324 </span><span class="lineCov"> 10089 : memset(ptr, 0, size);</span>
<span class="lineNum"> 1325 </span> :
<span class="lineNum"> 1326 </span><span class="lineCov"> 10089 : malloc_counter_inc(size);</span>
<span class="lineNum"> 1327 </span> :
<span class="lineNum"> 1328 </span><span class="lineCov"> 10089 : return ptr;</span>
<a name="1329"><span class="lineNum"> 1329 </span> : }</a>
<span class="lineNum"> 1330 </span> :
<span class="lineNum"> 1331 </span><span class="lineCov"> 5799401 : char* strdup_nofail(const char* str)</span>
<span class="lineNum"> 1332 </span> : {
<span class="lineNum"> 1333 </span> : size_t size;
<span class="lineNum"> 1334 </span> : char* ptr;
<span class="lineNum"> 1335 </span> :
<span class="lineNum"> 1336 </span><span class="lineCov"> 5799401 : size = strlen(str) + 1;</span>
<span class="lineNum"> 1337 </span> :
<span class="lineNum"> 1338 </span><span class="lineCov"> 5799401 : ptr = malloc(size);</span>
<span class="lineNum"> 1339 </span> :
<span class="lineNum"> 1340 </span><span class="lineCov"> 5799401 : if (!ptr) {</span>
<span class="lineNum"> 1341 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1342 </span> : malloc_fail(size);
<span class="lineNum"> 1343 </span> : exit(EXIT_FAILURE);
<span class="lineNum"> 1344 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1345 </span> : }
<span class="lineNum"> 1346 </span> :
<span class="lineNum"> 1347 </span><span class="lineCov"> 5799401 : memcpy(ptr, str, size);</span>
<span class="lineNum"> 1348 </span> :
<span class="lineNum"> 1349 </span><span class="lineCov"> 5799401 : malloc_counter_inc(size);</span>
<span class="lineNum"> 1350 </span> :
<span class="lineNum"> 1351 </span><span class="lineCov"> 5799401 : return ptr;</span>
<span class="lineNum"> 1352 </span> : }
<span class="lineNum"> 1353 </span> :
<span class="lineNum"> 1354 </span> : /****************************************************************************/
<span class="lineNum"> 1355 </span> : /* smartctl */
<span class="lineNum"> 1356 </span> :
<span class="lineNum"> 1357 </span> : /**
<span class="lineNum"> 1358 </span> : * Match a string with the specified pattern.
<span class="lineNum"> 1359 </span> : * Like sscanf() a space match any sequence of spaces.
<a name="1360"><span class="lineNum"> 1360 </span> : * Return 0 if it matches.</a>
<span class="lineNum"> 1361 </span> : */
<span class="lineNum"> 1362 </span><span class="lineNoCov"> 0 : static int smatch(const char* str, const char* pattern)</span>
<span class="lineNum"> 1363 </span> : {
<span class="lineNum"> 1364 </span><span class="lineNoCov"> 0 : while (*pattern) {</span>
<span class="lineNum"> 1365 </span><span class="lineNoCov"> 0 : if (isspace(*pattern)) {</span>
<span class="lineNum"> 1366 </span><span class="lineNoCov"> 0 : ++pattern;</span>
<span class="lineNum"> 1367 </span><span class="lineNoCov"> 0 : while (isspace(*str))</span>
<span class="lineNum"> 1368 </span><span class="lineNoCov"> 0 : ++str;</span>
<span class="lineNum"> 1369 </span><span class="lineNoCov"> 0 : } else if (*pattern == *str) {</span>
<span class="lineNum"> 1370 </span><span class="lineNoCov"> 0 : ++pattern;</span>
<span class="lineNum"> 1371 </span><span class="lineNoCov"> 0 : ++str;</span>
<span class="lineNum"> 1372 </span> : } else
<span class="lineNum"> 1373 </span><span class="lineNoCov"> 0 : return -1;</span>
<span class="lineNum"> 1374 </span> : }
<span class="lineNum"> 1375 </span> :
<span class="lineNum"> 1376 </span><span class="lineNoCov"> 0 : return 0;</span>
<a name="1377"><span class="lineNum"> 1377 </span> : }</a>
<span class="lineNum"> 1378 </span> :
<span class="lineNum"> 1379 </span><span class="lineCov"> 43 : int smartctl_attribute(FILE* f, const char* file, const char* name, uint64_t* smart, char* serial, char* vendor, char* model)</span>
<span class="lineNum"> 1380 </span> : {
<span class="lineNum"> 1381 </span> : unsigned i;
<span class="lineNum"> 1382 </span> : int inside;
<span class="lineNum"> 1383 </span> :
<span class="lineNum"> 1384 </span> : /* preclear attribute */
<span class="lineNum"> 1385 </span><span class="lineCov"> 43 : *serial = 0;</span>
<span class="lineNum"> 1386 </span><span class="lineCov"> 11223 : for (i = 0; i &lt; SMART_COUNT; ++i)</span>
<span class="lineNum"> 1387 </span><span class="lineCov"> 11180 : smart[i] = SMART_UNASSIGNED;</span>
<span class="lineNum"> 1388 </span> :
<span class="lineNum"> 1389 </span> : /* read the file */
<span class="lineNum"> 1390 </span><span class="lineCov"> 43 : inside = 0;</span>
<span class="lineNum"> 1391 </span> : while (1) {
<span class="lineNum"> 1392 </span> : char buf[256];
<span class="lineNum"> 1393 </span> : unsigned id;
<span class="lineNum"> 1394 </span> : uint64_t raw;
<span class="lineNum"> 1395 </span> : char* s;
<span class="lineNum"> 1396 </span> :
<span class="lineNum"> 1397 </span><span class="lineCov"> 43 : s = fgets(buf, sizeof(buf), f);</span>
<span class="lineNum"> 1398 </span><span class="lineCov"> 43 : if (s == 0)</span>
<span class="lineNum"> 1399 </span><span class="lineCov"> 43 : break;</span>
<span class="lineNum"> 1400 </span> :
<span class="lineNum"> 1401 </span> : /* remove extraneous chars */
<span class="lineNum"> 1402 </span><span class="lineNoCov"> 0 : s = strpolish(buf);</span>
<span class="lineNum"> 1403 </span> :
<span class="lineNum"> 1404 </span><span class="lineNoCov"> 0 : log_tag(&quot;smartctl:%s:%s:out: %s\n&quot;, file, name, s);</span>
<span class="lineNum"> 1405 </span> :
<span class="lineNum"> 1406 </span> : /* skip initial spaces */
<span class="lineNum"> 1407 </span><span class="lineNoCov"> 0 : while (isspace(*s))</span>
<span class="lineNum"> 1408 </span><span class="lineNoCov"> 0 : ++s;</span>
<span class="lineNum"> 1409 </span> :
<span class="lineNum"> 1410 </span><span class="lineNoCov"> 0 : if (*s == 0) {</span>
<span class="lineNum"> 1411 </span><span class="lineNoCov"> 0 : inside = 0;</span>
<span class="lineNum"> 1412 </span> : /* common */
<span class="lineNum"> 1413 </span><span class="lineNoCov"> 0 : } else if (smatch(s, &quot;Rotation Rate: Solid State&quot;) == 0) {</span>
<span class="lineNum"> 1414 </span><span class="lineNoCov"> 0 : smart[SMART_ROTATION_RATE] = 0;</span>
<span class="lineNum"> 1415 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Rotation Rate: %&quot; SCNu64, &amp;smart[SMART_ROTATION_RATE]) == 1) {</span>
<span class="lineNum"> 1416 </span><span class="lineNoCov"> 0 : } else if (smatch(s, &quot;User Capacity:&quot;) == 0) {</span>
<span class="lineNum"> 1417 </span><span class="lineNoCov"> 0 : char* begin = strchr(s, ':');</span>
<span class="lineNum"> 1418 </span><span class="lineNoCov"> 0 : char* end = strstr(s, &quot;bytes&quot;);</span>
<span class="lineNum"> 1419 </span><span class="lineNoCov"> 0 : if (begin != 0 &amp;&amp; end != 0 &amp;&amp; begin &lt; end) {</span>
<span class="lineNum"> 1420 </span> : char* p;
<span class="lineNum"> 1421 </span><span class="lineNoCov"> 0 : smart[SMART_SIZE] = 0;</span>
<span class="lineNum"> 1422 </span><span class="lineNoCov"> 0 : for (p = begin; p != end; ++p) {</span>
<span class="lineNum"> 1423 </span><span class="lineNoCov"> 0 : if (isdigit(*p)) {</span>
<span class="lineNum"> 1424 </span><span class="lineNoCov"> 0 : smart[SMART_SIZE] *= 10;</span>
<span class="lineNum"> 1425 </span><span class="lineNoCov"> 0 : smart[SMART_SIZE] += *p - '0';</span>
<span class="lineNum"> 1426 </span> : }
<span class="lineNum"> 1427 </span> : }
<span class="lineNum"> 1428 </span> : }
<span class="lineNum"> 1429 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Device Model: %63s %63s&quot;, vendor, model) == 2) {</span>
<span class="lineNum"> 1430 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Device Model: %63s&quot;, model) == 1) {</span>
<span class="lineNum"> 1431 </span> : /* SCSI */
<span class="lineNum"> 1432 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Serial number: %63s&quot;, serial) == 1) { /* note &quot;n&quot; of &quot;number&quot; lower case */</span>
<span class="lineNum"> 1433 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Elements in grown defect list: %&quot; SCNu64, &amp;smart[SMART_REALLOCATED_SECTOR_COUNT]) == 1) {</span>
<span class="lineNum"> 1434 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Current Drive Temperature: %&quot; SCNu64, &amp;smart[SMART_TEMPERATURE_CELSIUS]) == 1) {</span>
<span class="lineNum"> 1435 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Drive Trip Temperature: %&quot; SCNu64, &amp;smart[SMART_AIRFLOW_TEMPERATURE_CELSIUS]) == 1) {</span>
<span class="lineNum"> 1436 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Accumulated start-stop cycles: %&quot; SCNu64, &amp;smart[SMART_START_STOP_COUNT]) == 1) {</span>
<span class="lineNum"> 1437 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Accumulated load-unload cycles: %&quot; SCNu64, &amp;smart[SMART_LOAD_CYCLE_COUNT]) == 1) {</span>
<span class="lineNum"> 1438 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot; number of hours powered up = %&quot; SCNu64, &amp;smart[SMART_POWER_ON_HOURS]) == 1) {</span>
<span class="lineNum"> 1439 </span> : /* ATA */
<span class="lineNum"> 1440 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;Serial Number: %63s&quot;, serial) == 1) {</span>
<span class="lineNum"> 1441 </span><span class="lineNoCov"> 0 : } else if (smatch(s, &quot;ID#&quot;) == 0) {</span>
<span class="lineNum"> 1442 </span><span class="lineNoCov"> 0 : inside = 1;</span>
<span class="lineNum"> 1443 </span><span class="lineNoCov"> 0 : } else if (smatch(s, &quot;No Errors Logged&quot;) == 0) {</span>
<span class="lineNum"> 1444 </span><span class="lineNoCov"> 0 : smart[SMART_ERROR] = 0;</span>
<span class="lineNum"> 1445 </span><span class="lineNoCov"> 0 : } else if (sscanf(s, &quot;ATA Error Count: %&quot; SCNu64, &amp;raw) == 1) {</span>
<span class="lineNum"> 1446 </span><span class="lineNoCov"> 0 : smart[SMART_ERROR] = raw;</span>
<span class="lineNum"> 1447 </span><span class="lineNoCov"> 0 : } else if (inside) {</span>
<span class="lineNum"> 1448 </span><span class="lineNoCov"> 0 : if (sscanf(s, &quot;%u %*s %*s %*s %*s %*s %*s %*s %*s %&quot; SCNu64, &amp;id, &amp;raw) != 2) {</span>
<span class="lineNum"> 1449 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1450 </span> : log_fatal(&quot;Invalid smartctl line '%s'.\n&quot;, s);
<span class="lineNum"> 1451 </span> : return -1;
<span class="lineNum"> 1452 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1453 </span> : }
<span class="lineNum"> 1454 </span> :
<span class="lineNum"> 1455 </span><span class="lineNoCov"> 0 : if (id &gt;= 256) {</span>
<span class="lineNum"> 1456 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1457 </span> : log_fatal(&quot;Invalid SMART id '%u'.\n&quot;, id);
<span class="lineNum"> 1458 </span> : return -1;
<span class="lineNum"> 1459 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1460 </span> : }
<span class="lineNum"> 1461 </span> :
<span class="lineNum"> 1462 </span><span class="lineNoCov"> 0 : smart[id] = raw;</span>
<span class="lineNum"> 1463 </span> : }
<span class="lineNum"> 1464 </span><span class="lineNoCov"> 0 : }</span>
<span class="lineNum"> 1465 </span> :
<span class="lineNum"> 1466 </span><span class="lineCov"> 43 : return 0;</span>
<a name="1467"><span class="lineNum"> 1467 </span> : }</a>
<span class="lineNum"> 1468 </span> :
<span class="lineNum"> 1469 </span><span class="lineCov"> 5 : int smartctl_flush(FILE* f, const char* file, const char* name)</span>
<span class="lineNum"> 1470 </span> : {
<span class="lineNum"> 1471 </span> : /* read the file */
<span class="lineNum"> 1472 </span> : while (1) {
<span class="lineNum"> 1473 </span> : char buf[256];
<span class="lineNum"> 1474 </span> : char* s;
<span class="lineNum"> 1475 </span> :
<span class="lineNum"> 1476 </span><span class="lineCov"> 5 : s = fgets(buf, sizeof(buf), f);</span>
<span class="lineNum"> 1477 </span><span class="lineCov"> 5 : if (s == 0)</span>
<span class="lineNum"> 1478 </span><span class="lineCov"> 5 : break;</span>
<span class="lineNum"> 1479 </span> :
<span class="lineNum"> 1480 </span> : /* remove extraneous chars */
<span class="lineNum"> 1481 </span><span class="lineNoCov"> 0 : s = strpolish(buf);</span>
<span class="lineNum"> 1482 </span> :
<span class="lineNum"> 1483 </span><span class="lineNoCov"> 0 : log_tag(&quot;smartctl:%s:%s:out: %s\n&quot;, file, name, s);</span>
<span class="lineNum"> 1484 </span><span class="lineNoCov"> 0 : }</span>
<span class="lineNum"> 1485 </span> :
<span class="lineNum"> 1486 </span><span class="lineCov"> 10 : return 0;</span>
<span class="lineNum"> 1487 </span> : }
<span class="lineNum"> 1488 </span> :
<span class="lineNum"> 1489 </span> : /****************************************************************************/
<span class="lineNum"> 1490 </span> : /* thread */
<a name="1491"><span class="lineNum"> 1491 </span> : </a>
<span class="lineNum"> 1492 </span> : #if HAVE_PTHREAD
<span class="lineNum"> 1493 </span><span class="lineCov"> 2284 : void thread_mutex_init(pthread_mutex_t* mutex, pthread_mutexattr_t* attr)</span>
<span class="lineNum"> 1494 </span> : {
<span class="lineNum"> 1495 </span><span class="lineCov"> 2284 : if (pthread_mutex_init(mutex, attr) != 0) {</span>
<span class="lineNum"> 1496 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1497 </span> : log_fatal(&quot;Failed call to pthread_mutex_init().\n&quot;);
<span class="lineNum"> 1498 </span> : os_abort();
<span class="lineNum"> 1499 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1500 </span> : }
<a name="1501"><span class="lineNum"> 1501 </span><span class="lineCov"> 2284 : }</span></a>
<span class="lineNum"> 1502 </span> :
<span class="lineNum"> 1503 </span><span class="lineCov"> 2082 : void thread_mutex_destroy(pthread_mutex_t* mutex)</span>
<span class="lineNum"> 1504 </span> : {
<span class="lineNum"> 1505 </span><span class="lineCov"> 2082 : if (pthread_mutex_destroy(mutex) != 0) {</span>
<span class="lineNum"> 1506 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1507 </span> : log_fatal(&quot;Failed call to pthread_mutex_destroy().\n&quot;);
<span class="lineNum"> 1508 </span> : os_abort();
<span class="lineNum"> 1509 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1510 </span> : }
<a name="1511"><span class="lineNum"> 1511 </span><span class="lineCov"> 2082 : }</span></a>
<span class="lineNum"> 1512 </span> :
<span class="lineNum"> 1513 </span><span class="lineCov"> 80857668 : void thread_mutex_lock(pthread_mutex_t* mutex)</span>
<span class="lineNum"> 1514 </span> : {
<span class="lineNum"> 1515 </span><span class="lineCov"> 80857668 : if (pthread_mutex_lock(mutex) != 0) {</span>
<span class="lineNum"> 1516 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1517 </span> : log_fatal(&quot;Failed call to pthread_mutex_lock().\n&quot;);
<span class="lineNum"> 1518 </span> : os_abort();
<span class="lineNum"> 1519 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1520 </span> : }
<a name="1521"><span class="lineNum"> 1521 </span><span class="lineCov"> 80860507 : }</span></a>
<span class="lineNum"> 1522 </span> :
<span class="lineNum"> 1523 </span><span class="lineCov"> 80858701 : void thread_mutex_unlock(pthread_mutex_t* mutex)</span>
<span class="lineNum"> 1524 </span> : {
<span class="lineNum"> 1525 </span><span class="lineCov"> 80858701 : if (pthread_mutex_unlock(mutex) != 0) {</span>
<span class="lineNum"> 1526 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1527 </span> : log_fatal(&quot;Failed call to pthread_mutex_unlock().\n&quot;);
<span class="lineNum"> 1528 </span> : os_abort();
<span class="lineNum"> 1529 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1530 </span> : }
<a name="1531"><span class="lineNum"> 1531 </span><span class="lineCov"> 80861909 : }</span></a>
<span class="lineNum"> 1532 </span> :
<span class="lineNum"> 1533 </span><span class="lineCov"> 380 : void thread_cond_init(pthread_cond_t* cond, pthread_condattr_t* attr)</span>
<span class="lineNum"> 1534 </span> : {
<span class="lineNum"> 1535 </span><span class="lineCov"> 380 : if (pthread_cond_init(cond, attr) != 0) {</span>
<span class="lineNum"> 1536 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1537 </span> : log_fatal(&quot;Failed call to pthread_cond_init().\n&quot;);
<span class="lineNum"> 1538 </span> : os_abort();
<span class="lineNum"> 1539 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1540 </span> : }
<a name="1541"><span class="lineNum"> 1541 </span><span class="lineCov"> 380 : }</span></a>
<span class="lineNum"> 1542 </span> :
<span class="lineNum"> 1543 </span><span class="lineCov"> 380 : void thread_cond_destroy(pthread_cond_t* cond)</span>
<span class="lineNum"> 1544 </span> : {
<span class="lineNum"> 1545 </span><span class="lineCov"> 380 : if (pthread_cond_destroy(cond) != 0) {</span>
<span class="lineNum"> 1546 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1547 </span> : log_fatal(&quot;Failed call to pthread_cond_destroy().\n&quot;);
<span class="lineNum"> 1548 </span> : os_abort();
<span class="lineNum"> 1549 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1550 </span> : }
<a name="1551"><span class="lineNum"> 1551 </span><span class="lineCov"> 380 : }</span></a>
<span class="lineNum"> 1552 </span> :
<span class="lineNum"> 1553 </span><span class="lineCov"> 85887 : void thread_cond_signal(pthread_cond_t* cond)</span>
<span class="lineNum"> 1554 </span> : {
<span class="lineNum"> 1555 </span><span class="lineCov"> 85887 : if (pthread_cond_signal(cond) != 0) {</span>
<span class="lineNum"> 1556 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1557 </span> : log_fatal(&quot;Failed call to pthread_cond_signal().\n&quot;);
<span class="lineNum"> 1558 </span> : os_abort();
<span class="lineNum"> 1559 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1560 </span> : }
<a name="1561"><span class="lineNum"> 1561 </span><span class="lineCov"> 85887 : }</span></a>
<span class="lineNum"> 1562 </span> :
<span class="lineNum"> 1563 </span><span class="lineCov"> 255503 : void thread_cond_broadcast(pthread_cond_t* cond)</span>
<span class="lineNum"> 1564 </span> : {
<span class="lineNum"> 1565 </span><span class="lineCov"> 255503 : if (pthread_cond_broadcast(cond) != 0) {</span>
<span class="lineNum"> 1566 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1567 </span> : log_fatal(&quot;Failed call to pthread_cond_broadcast().\n&quot;);
<span class="lineNum"> 1568 </span> : os_abort();
<span class="lineNum"> 1569 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1570 </span> : }
<a name="1571"><span class="lineNum"> 1571 </span><span class="lineCov"> 255503 : }</span></a>
<span class="lineNum"> 1572 </span> :
<span class="lineNum"> 1573 </span><span class="lineCov"> 1037153 : void thread_cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex)</span>
<span class="lineNum"> 1574 </span> : {
<span class="lineNum"> 1575 </span><span class="lineCov"> 1037153 : if (pthread_cond_wait(cond, mutex) != 0) {</span>
<span class="lineNum"> 1576 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1577 </span> : log_fatal(&quot;Failed call to pthread_cond_wait().\n&quot;);
<span class="lineNum"> 1578 </span> : os_abort();
<span class="lineNum"> 1579 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1580 </span> : }
<span class="lineNum"> 1581 </span><span class="lineCov"> 1037153 : }</span>
<span class="lineNum"> 1582 </span> :
<span class="lineNum"> 1583 </span> : /**
<span class="lineNum"> 1584 </span> : * Implementation note about conditional variables.
<span class="lineNum"> 1585 </span> : *
<span class="lineNum"> 1586 </span> : * The conditional variables can be signaled inside or ouside the mutex,
<span class="lineNum"> 1587 </span> : * what is better it's debatable but in general doing that ouside the mutex,
<span class="lineNum"> 1588 </span> : * reduces the number of context switches.
<span class="lineNum"> 1589 </span> : *
<span class="lineNum"> 1590 </span> : * But when when testing with helgrind and drd, this disallows such tools to
<span class="lineNum"> 1591 </span> : * to see the dependency between the signal and the wait.
<span class="lineNum"> 1592 </span> : *
<span class="lineNum"> 1593 </span> : * To avoid it we signal everything inside the mutex. And we do this in both
<span class="lineNum"> 1594 </span> : * test mode (with CHERCKER defined) and release mode (CHECKER not defined),
<span class="lineNum"> 1595 </span> : * to be on the safe side and avoid any difference in beaviour between test and
<span class="lineNum"> 1596 </span> : * release.
<span class="lineNum"> 1597 </span> : *
<span class="lineNum"> 1598 </span> : * Here some interesting discussion:
<span class="lineNum"> 1599 </span> : *
<span class="lineNum"> 1600 </span> : * Condvars: signal with mutex locked or not?
<span class="lineNum"> 1601 </span> : * http://www.domaigne.com/blog/computing/condvars-signal-with-mutex-locked-or-not/
<span class="lineNum"> 1602 </span> : *
<span class="lineNum"> 1603 </span> : * Calling pthread_cond_signal without locking mutex
<span class="lineNum"> 1604 </span> : * http://stackoverflow.com/questions/4544234/calling-pthread-cond-signal-without-locking-mutex/4544494#4544494
<span class="lineNum"> 1605 </span> : */
<span class="lineNum"> 1606 </span> :
<span class="lineNum"> 1607 </span> : /**
<span class="lineNum"> 1608 </span> : * Control when to signal the condition variables.
<span class="lineNum"> 1609 </span> : */
<a name="1610"><span class="lineNum"> 1610 </span> : int thread_cond_signal_outside = 0;</a>
<span class="lineNum"> 1611 </span> :
<span class="lineNum"> 1612 </span><span class="lineCov"> 85887 : void thread_cond_signal_and_unlock(pthread_cond_t* cond, pthread_mutex_t* mutex)</span>
<span class="lineNum"> 1613 </span> : {
<span class="lineNum"> 1614 </span><span class="lineCov"> 85887 : if (thread_cond_signal_outside) {</span>
<span class="lineNum"> 1615 </span> : /* without the thread checker unlock before signaling, */
<span class="lineNum"> 1616 </span> : /* this reduces the number of context switches */
<span class="lineNum"> 1617 </span><span class="lineNoCov"> 0 : thread_mutex_unlock(mutex);</span>
<span class="lineNum"> 1618 </span> : }
<span class="lineNum"> 1619 </span> :
<span class="lineNum"> 1620 </span><span class="lineCov"> 85887 : thread_cond_signal(cond);</span>
<span class="lineNum"> 1621 </span> :
<span class="lineNum"> 1622 </span><span class="lineCov"> 85887 : if (!thread_cond_signal_outside) {</span>
<span class="lineNum"> 1623 </span> : /* with the thread checker unlock after signaling */
<span class="lineNum"> 1624 </span> : /* to make explicit the condition and mutex relation */
<span class="lineNum"> 1625 </span><span class="lineCov"> 85887 : thread_mutex_unlock(mutex);</span>
<span class="lineNum"> 1626 </span> : }
<a name="1627"><span class="lineNum"> 1627 </span><span class="lineCov"> 85887 : }</span></a>
<span class="lineNum"> 1628 </span> :
<span class="lineNum"> 1629 </span><span class="lineCov"> 255313 : void thread_cond_broadcast_and_unlock(pthread_cond_t* cond, pthread_mutex_t* mutex)</span>
<span class="lineNum"> 1630 </span> : {
<span class="lineNum"> 1631 </span><span class="lineCov"> 255313 : if (thread_cond_signal_outside) {</span>
<span class="lineNum"> 1632 </span> : /* without the thread checker unlock before signaling, */
<span class="lineNum"> 1633 </span> : /* this reduces the number of context switches */
<span class="lineNum"> 1634 </span><span class="lineNoCov"> 0 : thread_mutex_unlock(mutex);</span>
<span class="lineNum"> 1635 </span> : }
<span class="lineNum"> 1636 </span> :
<span class="lineNum"> 1637 </span><span class="lineCov"> 255313 : thread_cond_broadcast(cond);</span>
<span class="lineNum"> 1638 </span> :
<span class="lineNum"> 1639 </span><span class="lineCov"> 255313 : if (!thread_cond_signal_outside) {</span>
<span class="lineNum"> 1640 </span> : /* with the thread checker unlock after signaling */
<span class="lineNum"> 1641 </span> : /* to make explicit the condition and mutex relation */
<span class="lineNum"> 1642 </span><span class="lineCov"> 255313 : thread_mutex_unlock(mutex);</span>
<span class="lineNum"> 1643 </span> : }
<a name="1644"><span class="lineNum"> 1644 </span><span class="lineCov"> 255313 : }</span></a>
<span class="lineNum"> 1645 </span> :
<span class="lineNum"> 1646 </span><span class="lineCov"> 2200 : void thread_create(pthread_t* thread, pthread_attr_t* attr, void *(* func)(void *), void *arg)</span>
<span class="lineNum"> 1647 </span> : {
<span class="lineNum"> 1648 </span><span class="lineCov"> 2200 : if (pthread_create(thread, attr, func, arg) != 0) {</span>
<span class="lineNum"> 1649 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1650 </span> : log_fatal(&quot;Failed call to pthread_create().\n&quot;);
<span class="lineNum"> 1651 </span> : os_abort();
<span class="lineNum"> 1652 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1653 </span> : }
<a name="1654"><span class="lineNum"> 1654 </span><span class="lineCov"> 2200 : }</span></a>
<span class="lineNum"> 1655 </span> :
<span class="lineNum"> 1656 </span><span class="lineCov"> 2200 : void thread_join(pthread_t thread, void** retval)</span>
<span class="lineNum"> 1657 </span> : {
<span class="lineNum"> 1658 </span><span class="lineCov"> 2200 : if (pthread_join(thread, retval) != 0) {</span>
<span class="lineNum"> 1659 </span> : /* LCOV_EXCL_START */
<span class="lineNum"> 1660 </span> : log_fatal(&quot;Failed call to pthread_join().\n&quot;);
<span class="lineNum"> 1661 </span> : os_abort();
<span class="lineNum"> 1662 </span> : /* LCOV_EXCL_STOP */
<span class="lineNum"> 1663 </span> : }
<span class="lineNum"> 1664 </span><span class="lineCov"> 2200 : }</span>
<span class="lineNum"> 1665 </span> :
<span class="lineNum"> 1666 </span> : #endif
<span class="lineNum"> 1667 </span> :
</pre>
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