> On March 27, 2015, 2:23 p.m., Matt Jordan wrote: > > /branches/13/pbx/pbx_config.c, lines 960-961 > > <https://reviewboard.asterisk.org/r/4529/diff/2/?file=72981#file72981line960> > > > > Well, this won't quite work, as appdata can be NULL. strlen isn't NULL > > safe. > > > > As such, you'll need to do something like: > > > > int escaped_len = (!ast_strlen_zero(appdata) ? 2 * strlen(appdata) : 0) > > + 1; > > > > > > Diederik de Groot wrote: > Thanks for the pointer ! No need to count the string length twice, just a > null pointer check should suffice. Also need to set the escaped_len to 1 if > appdata==NULL, so that it will be able to contain '\0'. > > rmudgett wrote: > ast_strlen_zero() is a boolean test. It does not actually do a strlen. > It is just: (!str || (*str == '\0')). > > Diederik de Groot wrote: > Ahh ok i didn't know that. It does have the same effect to my version > though (in this particular case: even if appdata[0]='\0' it would still > result in escaped_len=1). If you guys prefer the ast_strlen_zero test > instead, i will update it though. > > Matt Jordan wrote: > Since the Asterisk project is over 15 years old and has had a _lot_ of > contributors, we care a lot about making sure that the code uses the same > techniques and approaches throughout the code base. Otherwise, anyone who > wants to contribute a patch would have to deal with numerous different > conflicting "styles." > > Granted, we still deal with this sometimes, as we didn't start caring > that much about this until it started to bite us, but we definitely care now! > >
Meaning i should change this to use ast_strlen_zero in this case... right ? - Diederik ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviewboard.asterisk.org/r/4529/#review14894 ----------------------------------------------------------- On March 27, 2015, 5:32 p.m., Diederik de Groot wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviewboard.asterisk.org/r/4529/ > ----------------------------------------------------------- > > (Updated March 27, 2015, 5:32 p.m.) > > > Review request for Asterisk Developers. > > > Bugs: ASTERISK-24917 > https://issues.asterisk.org/jira/browse/ASTERISK-24917 > > > Repository: Asterisk > > > Description > ------- > > 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\nclang compiler warning:-Wno-sometimes-uninitialized > > > Diffs > ----- > > /branches/13/pbx/pbx_config.c 433444 > > Diff: https://reviewboard.asterisk.org/r/4529/diff/ > > > Testing > ------- > > > Thanks, > > Diederik de Groot > >
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