On Apr 29, 2012, at 8:00 PM, Don Quixote de la Mancha wrote:
> Place some assertions as the very first executable lines in each of
> your subroutines.
...
> #include <assert.h>
>
> void foo( int *ptr )
> {
> assert( NULL != ptr );Ouch. Don’t use this in a Cocoa app; use NSAssert and NSParameterAssert instead. You’ll get much better reporting of the error, because you can use custom messages with parameters, and the app will raise an exception and log the backtrace. On Mac OS the system will also put up the standard crash alert, whereas a call to abort() (which is what assert() calls) just makes the app vanish with no explanation to the user. —Jens
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