[sr-dev] sca module warnings

Andrew Mortensen admorten at isc.upenn.edu
Thu Nov 7 20:55:00 CET 2013


Thanks, you're quite right. I reversed the logic from the previous commit. Should be fixed now.

andrew

On Nov 7, 2013, at 2:26 PM, Daniel-Constantin Mierla <miconda at gmail.com> wrote:

> Hello,
> 
> compiling sca module rises next warning:
> 
> sca_call_info.c: In function ‘sca_call_info_update’:
> sca_call_info.c:1977:7: warning: the comparison will always evaluate as ‘true’ for the address of ‘call_info’ will never be NULL [-Waddress]
> sca_call_info.c:1984:14: warning: the comparison will always evaluate as ‘true’ for the address of ‘call_info’ will never be NULL [-Waddress]
> 
> The lead to the next define, which does not seem right at first sight
> 
> #define SCA_CALL_INFO_EMPTY( ci1 ) \
> ((ci1) != NULL || \
> ((ci1)->index == SCA_CALL_INFO_APPEARANCE_INDEX_ANY && \
> (ci1)->state == SCA_APPEARANCE_STATE_UNKNOWN))
> 
> Either first condition has to be ==NULL or the || has to be relaplced by &&. Otherwise, if stays like now, if ci1==NULL, will result in a crash, by accessing ->index and ->state of a null pointer.
> 
> Cheers,
> Daniel
> 
> -- 
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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