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This is an automatically generated e-mail. To reply, visit:
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27151#file27151line3864" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/apps/app_voicemail.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; ">static int store_file(const char *dir, const char *mailboxuser, const char *mailboxcontext, int msgnum)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_debug</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="s">"Length is %zd</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">fdlen</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">fdlen is no longer a size_t so you just need to use %d or change fdlen to ssize_t.</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27153#file27153line8731" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/channels/chan_dahdi.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; ">static struct ast_frame *__dahdi_exception(struct ast_channel *ast)</pre></td>
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<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">8731</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">idx</span> <span class="o">=</span> <span class="n">dahdi_get_index</span><span class="p">(</span><span class="n">ast</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="mi"><span class="hl">1</span></span><span class="p"><span class="hl">);</span></span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"> </span><span class="k"><span class="hl">if</span></span><span class="hl"> </span><span class="p"><span class="hl">((</span></span><span class="n">idx</span> <span class="o">=</span> <span class="n">dahdi_get_index</span><span class="p">(</span><span class="n">ast</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="mi"><span class="hl">0</span></span><span class="p"><span class="hl">))</span></span><span class="hl"> </span><span class="o"><span class="hl"><</span></span><span class="hl"> </span><span class="mi"><span class="hl">0</span></span><span class="p"><span class="hl">)</span></span><span class="hl"> </span><span class="p"><span class="hl">{</span></span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">f</span> <span class="o">=</span> <span class="o">&</span><span class="n">ast_null_frame</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="n">f</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This should do the same thing as analog_exception() in sig_analog.c.</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27157#file27157line130" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/formats/format_gsm.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; ">static int gsm_write(struct ast_filestream *fs, struct ast_frame *f)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span><span class="p">(</span><span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_SET</span><span class="p">)</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span><span class="p">(</span><span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_SET</span><span class="p">)</span><span class="hl"> </span><span class="p"><span class="hl">{</span></span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">offset</span> <span class="o">=</span> <span class="n">distance</span><span class="p">;</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">offset</span> <span class="o">=</span> <span class="n">distance</span><span class="p">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">else</span> <span class="k">if</span><span class="p">(</span><span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_CUR</span> <span class="o">||</span> <span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_FORCECUR</span><span class="p">)</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"> </span><span class="p"><span class="hl">}</span></span><span class="hl"> </span><span class="k">else</span> <span class="k">if</span><span class="p">(</span><span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_CUR</span> <span class="o">||</span> <span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_FORCECUR</span><span class="p">)</span><span class="hl"> </span><span class="p"><span class="hl">{</span></span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">offset</span> <span class="o">=</span> <span class="n">distance</span> <span class="o">+</span> <span class="n">cur</span><span class="p">;</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">offset</span> <span class="o">=</span> <span class="n">distance</span> <span class="o">+</span> <span class="n">cur</span><span class="p">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">else</span> <span class="k">if</span><span class="p">(</span><span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_END</span><span class="p">)</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"> </span><span class="p"><span class="hl">}</span></span><span class="hl"> </span><span class="k">else</span> <span class="k">if</span><span class="p">(</span><span class="n">whence</span> <span class="o">==</span> <span class="n">SEEK_END</span><span class="p">)</span><span class="hl"> </span><span class="p"><span class="hl">{</span></span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Since you're formatting here, add a space between if(</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27172#file27172line3634" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/main/manager.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int action_command(struct mansession *s, const struct message *m)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">lseek</span><span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">SEEK_SET</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">lseek</span><span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">SEEK_SET</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">What about this lseek?</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27172#file27172line3635" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/main/manager.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int action_command(struct mansession *s, const struct message *m)</pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">3626</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">read</span><span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="n">buf</span><span class="p">,</span> <span class="n">l</span><span class="p">)</span> <span class="o"><</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">read</span><span class="p">(</span><span class="n">fd</span><span class="p">,</span> <span class="n">buf</span><span class="p">,</span> <span class="n">l</span><span class="p">)</span> <span class="o"><</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">3627</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_WARNING</span><span class="p">,</span> <span class="s">"read() failed: %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">strerror</span><span class="p">(</span><span class="n">errno</span><span class="p">));</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">3636</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_WARNING</span><span class="p">,</span> <span class="s">"read() failed: %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">strerror</span><span class="p">(</span><span class="n">errno</span><span class="p">));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">astman_send_error</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">m</span><span class="p">,</span> <span class="s">"Command response construction error"</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">3638</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">goto</span> <span class="n">action_command_cleanup</span><span class="p">;</span></pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">3628</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
<th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">3639</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">buf is leaked here.</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27174#file27174line1300" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/res/res_agi.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static enum agi_result launch_asyncagi(struct ast_channel *chan, char *argv[], int *efd)</pre></td>
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<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">1300</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">res</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">res</span><span class="hl"> </span><span class="o"><span class="hl">||</span></span><span class="hl"> </span><span class="n"><span class="hl">res</span></span><span class="hl"> </span><span class="o"><span class="hl"><</span></span><span class="hl"> </span><span class="mi"><span class="hl">0</span></span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Why not just if (res <= 0)</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27174#file27174line1330" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/res/res_agi.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static enum agi_result launch_asyncagi(struct ast_channel *chan, char *argv[], int *efd)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">res</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">res</span><span class="hl"> </span><span class="o"><span class="hl">||</span></span><span class="hl"> </span><span class="n"><span class="hl">res</span></span><span class="hl"> </span><span class="o"><span class="hl"><</span></span><span class="hl"> </span><span class="mi"><span class="hl">0</span></span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Same here</pre>
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<a href="https://reviewboard.asterisk.org/r/1863/diff/1/?file=27175#file27175line645" style="color: black; font-weight: bold; text-decoration: underline;">/branches/1.8/res/res_musiconhold.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void *monmp3thread(void *data)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">pthread_testcancel</span><span class="p">();</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">pthread_testcancel</span><span class="p">();</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">continue</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This pthread_testcancel() is now redundant.
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<p>- rmudgett</p>
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<p>On April 11th, 2012, 2:26 p.m., Matt Jordan wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Matt Jordan.</div>
<p style="color: grey;"><i>Updated April 11, 2012, 2:26 p.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;">Through a static analysis tool, a large number of errors were found that dealt with using potential negative return values in harmful ways. The following is a summary of the changes for the various affected files:
* app_voicemail
- a negative result from lseek is later passed into mmap as the size of the memory map
- a negative result from read closes the various file descriptors and unlinks the output file, but the next check against the return value only checks to see if its non-zero
* chan_agent - ast_channel_unlock returns a negative value if the item passed to it is NULL or an invalid ao2 object. strerror cannot accept a negative value.
* chan_dahdi - if dahdi_get_index returns a negative value, we index directly into an array
* format_* - various errors not checking return values of ftello and fseek, and passing the results into functions that expect non-negative values
* func_env - various places where the result of ftello was directly used as input to functions that expect non-negative values
* asterisk
- the request to read returns a negative value. This causes us to enter into the retry logic. If we attempt to reconnect and succeed, we would normally proceed in the for(;;) loop and attempt to index into buf using the negative return value from read. Instead, if we do reconnect, we immediately return to the beginning of the for(;;) loop and attempt a new read.
- similar situation - if a read fails, don't attempt to index into a buffer using the return value
* frame - if we can't determine a preferred codec using the provided values, don't attempt to use an index value that never got set
* manager
- various failures of mkstemp, lseek were not checked for and could be provided to methods that don't handle negative numbers
- passing a negative result from lseek into mmap as the size of the memory map
* translate - powerof can return a negative result if no bits are set, which would then be used as an index into an array
* res_agi - if read returns an error, we treated it as if bytes were read from the pipe
* res_musiconhold - if we fail to spawn spawn_mp3 returns a negative number, we wait a bit and attempt again later. However, the return 'file descriptor' srcfd is later passed into read.
* res_rtp_asterisk - ast_rtp_codecs_payload_code can return a negative value if no codecs are found that match between instance1 and the specified payload. If that's the case, the bridge should be broken, as there are no compatible formats between the two different endpoints (and we shouldn't index into an array using the return value)</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/translate.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/main/manager.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/main/frame.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/main/asterisk.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/funcs/func_env.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_wav_gsm.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_wav.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_vox.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_sln16.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_sln.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_siren7.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_siren14.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_pcm.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_h263.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_h264.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_ilbc.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_g729.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_gsm.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_g719.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/formats/format_g723.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/channels/chan_agent.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/channels/chan_dahdi.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/apps/app_voicemail.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/res/res_agi.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/res/res_musiconhold.c <span style="color: grey">(361945)</span></li>
<li>/branches/1.8/res/res_rtp_asterisk.c <span style="color: grey">(361945)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1863/diff/" style="margin-left: 3em;">View Diff</a></p>
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