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This is so cool, from [MSDN]:
Annotation support
PREfast also supports annotations to improve the accuracy of the code analysis. Annotations provide additional information about pre- and post- conditions on function parameters and return types.
#include </prefast/SourceAnnotations.h>
[SA_Post( MustCheck=SA_Yes )] double* CalcSquareRoot
(
[SA_Pre( Null=SA_No )] double* source,
unsigned int size
)
In the above example:
· [SA_Post ( MustCheck=SA_Yes)] requires caller to check the return value of CalcSquareRoot
· [SA_Pre ( Null=SA_No)] requires caller to pass non-null parameter "source" to CalcSquareRoot