search for: catch_zero_length_access

...) I'm interested in discussion from the community. Details/diagnosis for the issues in the lme4 package are here: https://github.com/lme4/lme4/issues/794, with a bit more discussion about how zero-length objects should be handled. The short(ish) version is that r86629 enables the CATCH_ZERO_LENGTH_ACCESS definition. This turns on the CHKZLN macro <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104>, which returns a trivial pointer (rather than the data pointer that would be returned in the normal control flow) if an object has lengt...

...scussion from the community. > > Details/diagnosis for the issues in the lme4 package are here: > https://github.com/lme4/lme4/issues/794, with a bit more discussion > about how zero-length objects should be handled. > > The short(ish) version is that r86629 enables the > CATCH_ZERO_LENGTH_ACCESS definition. This turns on the CHKZLN macro > < > https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104>, > > which returns a trivial pointer (rather than the data pointer that would > be returned in the normal control flow)...

...in the lme4 package are here: > https://github.com/lme4/lme4/issues/794 > <https://github.com/lme4/lme4/issues/794>, with a bit more discussion > about how zero-length objects should be handled. > > ? ?The short(ish) version is that r86629 enables the > CATCH_ZERO_LENGTH_ACCESS definition. This turns on the CHKZLN macro > <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104 <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104>>, > whi...

...;> https://github.com/lme4/lme4/issues/794 >> <https://github.com/lme4/lme4/issues/794>, >> with a bit more discussion >> about how zero-length objects should be handled. >> >> ? ?The short(ish) version is that r86629 enables the >> CATCH_ZERO_LENGTH_ACCESS definition. This turns on the CHKZLN macro >> <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104 >> <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104>>...

...lme4/lme4/issues/794 > >> <https://github.com/lme4/lme4/issues/794>, > >> with a bit more discussion > >> about how zero-length objects should be handled. > >> > >> The short(ish) version is that r86629 enables the > >> CATCH_ZERO_LENGTH_ACCESS definition. This turns on the CHKZLN macro > >> < > https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104 > >> < > https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory....

...ssues/794 > > <https://github.com/lme4/lme4/issues/794>, with a bit more discussion > > about how zero-length objects should be handled. > > > > ? ?The short(ish) version is that r86629 enables the > > CATCH_ZERO_LENGTH_ACCESS definition. This turns on the CHKZLN macro > > <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104 <https://github.com/r-devel/r-svn/blob/4ef83b9dc3c6874e774195d329cbb6c11a71c414/src/main/memory.c#L4090-L4104>>,...