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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1879/">https://reviewboard.asterisk.org/r/1879/</a>
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<p style="margin-top: 0;">On April 24th, 2012, 3:26 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1879/diff/1/?file=27527#file27527line2683" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/main/config.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_parse_arg(const char *arg, enum ast_parse_flags flags,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">arg</span> <span class="o">=</span> <span class="n">ast_skip_blanks</span><span class="p">(</span><span class="n">arg</span><span class="p">);</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">You might want to add this to the PARSE_INT32 and PARSE_DOUBLE cases as well.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">strto* skips blanks itself, but since I needed to see if there was a leading '-', I had to do it myself.</pre>
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<p style="margin-top: 0;">On April 24th, 2012, 3:26 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1879/diff/1/?file=27527#file27527line2726" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/main/config.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_parse_arg(const char *arg, enum ast_parse_flags flags,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">errno</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Is this necessary? Does strtod not clear errno out?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">The example at http://www.kernel.org/doc/man-pages/online/pages/man3/strtol.3.html#EXAMPLE specifically set errno=0, so I thought it might be a good idea to follow suit.</pre>
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<p style="margin-top: 0;">On April 24th, 2012, 3:26 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1879/diff/1/?file=27528#file27528line73" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/tests/test_config.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">enum {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp"> double *r = (double *) result, e = (double) expected_result; \</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp"> if (*r != e) { \</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp"> ast_test_status_update(test, "ast_parse_arg double failed with %f != %f\n", *r, e); \</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp"> ret = AST_TEST_FAIL; \</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp"> } \</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">It is typically considered bad form to check doubles for equality due to minute differences in representing the "same" value. I know the problem usually arises when attempting to compare calculated values as opposed to constants, but I still would feel better about changing this to check if the value falls within some tolerance instead of doing direct equality. I just fear that what works on your system may fail on others.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Ok.</pre>
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<p>- Terry</p>
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<p>On April 24th, 2012, 10:11 a.m., Terry Wilson wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Terry Wilson.</div>
<p style="color: grey;"><i>Updated April 24, 2012, 10:11 a.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I started out by writing unit tests for ast_parse_arg and found out that it didn't actually catch errors where the string parsed resulted in an overflow of the type. So this patch adds the tests and fixes the errors that the test found. I started writing tests for the PARSE_ADDR type, but it really is just a very simple wrapper around ast_sockaddr_parse() which is tested in the netsock2 tests. Since it didn't really seem like there was a benefit to testing it twice, I didn't include tests for that.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Wrote a test that now passes.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/1.8/main/config.c <span style="color: grey">(362634)</span></li>
<li>/branches/1.8/tests/test_config.c <span style="color: grey">(PRE-CREATION)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1879/diff/" style="margin-left: 3em;">View Diff</a></p>
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