Cedric Doucet <[email protected]> writes: > Hello, > > I want to manage errors with CHKERRQ macro in void functions. > > I do not want to use CHKERRV. > I prefer to modify void functions so that they return an error code. > > However, it seems CHKERRQ returns a value in case of failure only. > Example below does not seem to compile without warning (Wreturn-type flag): > > -------------------------- > PetscErrorCode foo() > { > PetscErrorCode code = somePetscFunction(); > CHKERRQ(code); > } > -------------------------- > > I guess I need to return a success code like this: > > -------------------------- > PetscErrorCode foo() > { > PetscErrorCode code = somePetscFunction(); > CHKERRQ(code); > return PETSC_SUCCESS_CODE; > } > -------------------------- > > However, I do not know the value of the success code of Petsc. > I guess it is zero but I would prefer to use a macro sucha as > PETSC_SUCCESS_CODE in the above example. > Does such a macro exist?
No, use 0. It's less typing and that is something that will definitely never change.
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