[asterisk-dev] [Code Review] 4541: clang compiler warning: -Wpointer-bool-conversion

[Diederik de Groot]

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(Updated April 7, 2015, 4:23 a.m.)


Review request for Asterisk Developers.


Bugs: ASTERISK-24917
    https://issues.asterisk.org/jira/browse/ASTERISK-24917


Repository: Asterisk


Description
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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:-Wpointer-bool-conversion

Issues:
chan_pjsip.c:1898:13: warning: address of array 'data->text' will always evaluate to 'true' [-Wpointer-bool-conversion]
        if (!data->text) {
            ~~~~~~~^~~~
app_minivm.c:1841:18: warning: address of array 'etemplate->locale' will always evaluate to 'true' [-Wpointer-bool-conversion]
                if (etemplate->locale) {
                ~~  ~~~~~~~~~~~^~~~~~
app_minivm.c:1871:17: warning: address of array 'etemplate->locale' will always evaluate to 'true' [-Wpointer-bool-conversion]
        if (etemplate->locale) {
        ~~  ~~~~~~~~~~~^~~~~~
app_queue.c:6686:19: warning: address of array 'qe->parent->monfmt' will always evaluate to 'true' [-Wpointer-bool-conversion]
                if (qe->parent->monfmt && *qe->parent->monfmt) {
                    ~~~~~~~~~~~~^~~~~~ ~~
app_queue.c:9090:15: warning: address of array 'mem->state_interface' will always evaluate to 'true' [-Wpointer-bool-conversion]
                                        if (mem->state_interface) {
                                        ~~  ~~~~~^~~~~~~~~~~~~~~
res_smdi.c:876:19: warning: address of array 'search_msg->mesg_desk_num' will always evaluate to 'true' [-Wpointer-bool-conversion]
                if (search_msg->mesg_desk_num) {
                ~~  ~~~~~~~~~~~~^~~~~~~~~~~~~
res_smdi.c:879:19: warning: address of array 'search_msg->mesg_desk_term' will always evaluate to 'true' [-Wpointer-bool-conversion]
                if (search_msg->mesg_desk_term) {
                ~~  ~~~~~~~~~~~~^~~~~~~~~~~~~~

Changed: removed the superfluous checks


Diffs (updated)
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  /branches/13/res/res_smdi.c 433444 
  /branches/13/channels/chan_pjsip.c 433444 
  /branches/13/apps/app_queue.c 433444 
  /branches/13/apps/app_minivm.c 433444 

Diff: https://reviewboard.asterisk.org/r/4541/diff/


Testing
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Thanks,

Diederik de Groot

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