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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/4533/">https://reviewboard.asterisk.org/r/4533/</a>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73367#file73367line2385" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/channels/chan_skinny.c</a>
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(Diff revision 7)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int transmit_response_bysession(struct skinnysession *s, struct skinny_req *req)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if ((letohl(req->len) > SKINNY_MAX_PACKET)<span class="hl"> || (letohl(req->len) < 0)</span>) {</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span>if ((letohl(req->len) > SKINNY_MAX_PACKET)) {</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 one of the definitions of letohl() defined above could return a signed value, it is best to assign the returned value to an unsigned variable and then compare.
unsigned long len;
len = letohl(req->len)
if (SKINNY_MAX_PACKET < len) {
}</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73369#file73369line174" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/funcs/func_curl.c</a>
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(Diff revision 7)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">ASTERISK_FILE_VERSION(__FILE__, "$Revision$")</pre></td>
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<th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">174</font></th>
<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define CURLOPT_SPECIAL_HASHCOMPAT -500</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="c1"><span class="hl">//</span>#define CURLOPT_SPECIAL_HASHCOMPAT -500</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">#define CURLOPT_SPECIAL_HASHCOMPAT CURLOPT_SPECIAL_HASHCOMPAT</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;">Try defining this as:
#define CURLOPT_SPECIAL_HASHCOMPAT ((CURLoption) -500)
This should shut-up the compiler without changing the binary value.</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73370#file73370line988" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/include/asterisk/app.h</a>
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(Diff revision 7)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_play_and_wait(struct ast_channel *chan, const char *fn);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/*! Return an Error State for IF_Exists */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">AST_RECORD_IF_EXISTS_ERROR</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 changes ABI by changing the other enum values.
Change to:
AST_RECORD_IF_EXISTS_ERROR = -1,
This takes the place of plain -1 when it is used in conjunction with this enum.</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73371#file73371line76" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/include/asterisk/cel.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">enum ast_cel_event_type {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/*! \brief SENTINEL : don't use */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">AST_CEL_SENTINEL</span> <span class="o">=</span> <span class="mi">18</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;">You are missing two values:
AST_CEL_INVALID_VALUE = -1,
AST_CEL_ALL = 0,
Use AST_CEL_INVALID_VALUE in place of AST_CEL_SENTINEL.</pre>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_safe_mkdir(const char *base_path, const char *path, int mode);</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 defined(__clang__)</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">#define ARRAY_IN_BOUNDS(v, a) IN_BOUNDS((int)v, 0, ARRAY_LEN(a) - 1)</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">#else</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define ARRAY_IN_BOUNDS(v, a) IN_BOUNDS(v, 0, ARRAY_LEN(a) - 1)</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define ARRAY_IN_BOUNDS(v, a) IN_BOUNDS(v, 0, ARRAY_LEN(a) - 1)</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">837</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#endif</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;">You should be able to do this cast change unconditionally.</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73373#file73373line834" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/include/asterisk/utils.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_safe_mkdir(const char *base_path, const char *path, int mode);</pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">834</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define ARRAY_IN_BOUNDS(v, a) IN_BOUNDS((int)v, 0, ARRAY_LEN(a) - 1)</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;">Put parens around the use of v to cast what you think you are casting.</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73374#file73374line1519" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/main/app.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int __ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, int *sound_duration, int beep, int silencethreshold, int maxsilence, const char *path, int prepend, const char *acceptdtmf, const char *canceldtmf, int skip_confirmation_sound, enum ast_record_if_exists if_exists)</pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1519</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"ast_record_if_exists returned an error</span><span class="se">\n</span><span class="s">"</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 should never happen so replace with an
ast_assert(0);</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73375#file73375line567" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/main/cel.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int events_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">event_type</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="tb"> </span><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">event_type</span> <span class="o">==</span> <span class="mi">0</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;">change 0 to AST_CEL_ALL</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73375#file73375line571" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/main/cel.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int events_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Unknown event name '%s'</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">cur_event</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Unknown event name '%s'</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">cur_event</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;">You have now duplicated this error message in ast_cel_str_to_event_type().</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73384#file73384line411" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/res/res_pjsip_exten_state.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_sip_exten_state_data *exten_state_data_alloc(struct ast_sip_subscription *sip_sub,</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">((</span><span class="n">exten_state_data</span><span class="o">-></span><span class="n">presence_state</span> <span class="o">=</span> <span class="n">ast_hint_presence_state</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">exten_state_sub</span><span class="o">-></span><span class="n">context</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="tb"> </span><span class="kt">int</span> <span class="n">presence_state</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;">Guidelines: No declarations within code area. Only at beginning of a statement block.</pre>
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<a href="https://reviewboard.asterisk.org/r/4533/diff/7/?file=73384#file73384line412" style="color: black; font-weight: bold; text-decoration: underline;">/branches/13/res/res_pjsip_exten_state.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static struct ast_sip_exten_state_data *exten_state_data_alloc(struct ast_sip_subscription *sip_sub,</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">((</span><span class="n">presence_state</span> <span class="o">=</span> <span class="n">ast_hint_presence_state</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">exten_state_sub</span><span class="o">-></span><span class="n">context</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">exten_state_sub</span><span class="o">-></span><span class="n">exten</span><span class="p">,</span> <span class="o">&</span><span class="n">subtype</span><span class="p">,</span> <span class="o">&</span><span class="n">message</span><span class="p">))</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">exten_state_sub</span><span class="o">-></span><span class="n">exten</span><span class="p">,</span> <span class="o">&</span><span class="n">subtype</span><span class="p">,</span> <span class="o">&</span><span class="n">message</span><span class="p">))</span> <span class="o">==</span> <span class="o">-</span><span class="mi">1</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;">Pull the assignment within the test out.
presence_state = ast_hint_presence_state();
if (presence_state == -1) {
}
I have a feeling that presence_state should be checked for AST_PRESENCE_INVALID as an error in addition to -1. However, I'm not sure.</pre>
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<p>- rmudgett</p>
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<p>On March 30th, 2015, 6:08 a.m. CDT, Diederik de Groot wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Diederik de Groot.</div>
<p style="color: grey;"><i>Updated March 30, 2015, 6:08 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-24917">ASTERISK-24917</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<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;">clang's static analyzer will throw quite a number warnings / errors during compilation, some of which can be very helpfull in finding corner-case bugs
clang compiler warning:-Wtautological-compare
Changes:
/branches/13/channels/pjsip/dialplan_functions.c:869
len is of type size_t, which is unsigned. It will not be able to hold a value < 0
/branches/13/funcs/func_curl.c:174
Not a 100% sure how to do this correctly. But assiging a negative value is problematic. Extending the enum in curl/curl.h is not possible either. I opted to use the enum last entry (CURL_LAST) which is currently not used for any thing. Another option would be to use one of the OBSOLETE VALUES like 16. Neither way is very nice though.
/branches/13/include/asterisk/app.h:988
Needed to convey the error state returned by res/res_stasis_recording.c:stasis_app_recording_if_exists_parse
/branches/13/include/asterisk/cel.h:77
Added to convey not-found or error state. Not sure which name would be prefered for such an enum value.
/branches/13/main/cel.c:536
Return actual enum instead of -1,l which can not be conveyed by this enum.
/branches/13/main/enum.c:260
dn_expand return signed int
/branches/13/main/event.c:202
enum type cannot be < 0
/branches/13/main/indications.c:362
tone_data.freq1 and freq2 are unsigned int's so no need to check if < 0. Not sure what should happend when freq1 / freq2 are 0 already... (needs recheck by source owner)
/branches/13/main/presencestate.c:293
Should use the actual enum value for INVALID State
/branches/13/main/security_events.c:432/890/1176/
enum event_type cannot be <0
/branches/13/main/udptl.c:365/649/661
encode_length returns and unsigned int, so checking if < 0 does not make sence. Not 100% if encode_length has side effects, so left the actual call the this function in place. (Needs to be rechecked by code-owner)
/branches/13/res/res_pjsip_exten_state.c:411
Used a temporary int variable to be able to check the return value from ast_hint_presence_state.. Not very nice, but did not want to change the signature of this function.
/branches/13/res/res_stasis_playback.c:634
operation is enum and cannot be < 0
/branches/13/res/res_stasis_recording.c:598/604
recording->state / operation is enum and cannot be < 0
/branches/13/res/res_security_log.c:992
enum event_type cannot be <0
use of ARRAY_IN_BOUNDS with enum results in tautological comparison for the lower limit which is always true.</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/13/res/res_stasis_recording.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/res/res_stasis_playback.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/res/res_pjsip_exten_state.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/res/ari/resource_channels.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/res/ari/resource_bridges.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/udptl.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/security_events.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/presencestate.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/indications.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/event.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/enum.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/cel.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/main/app.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/include/asterisk/utils.h <span style="color: grey">(433444)</span></li>
<li>/branches/13/include/asterisk/logger.h <span style="color: grey">(433444)</span></li>
<li>/branches/13/include/asterisk/cel.h <span style="color: grey">(433444)</span></li>
<li>/branches/13/include/asterisk/app.h <span style="color: grey">(433444)</span></li>
<li>/branches/13/funcs/func_curl.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/channels/pjsip/dialplan_functions.c <span style="color: grey">(433444)</span></li>
<li>/branches/13/channels/chan_skinny.c <span style="color: grey">(433444)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/4533/diff/" style="margin-left: 3em;">View Diff</a></p>
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