On 04/12/2018 07:40 AM, John Reiser wrote:
Kevin Kofler wrote:
Orion Poplawski wrote:
I'm getting:
/builddir/build/BUILD/gdl-0.9.8/src/basic_pro_jmg.cpp: In function 'void
lib::linkimage(EnvT*)':
/builddir/build/BUILD/gdl-0.9.8/src/basic_pro_jmg.cpp:159:36: warning:
dereferencing type-punned pointer will break strict-aliasing rules
[-Wstrict-aliasing]
(BaseGDL* &) dynFun[count_fun] =
~~~~~~~~~~~~~~~~^
(BaseGDL*) dlsym(module[count], entryName.c_str());
dynFun is defined as:
BaseGDL*(*dynFun[MAXNDLL/2])( EnvT* e);
This is all beyond me. Missing the function pointer argument
specification?
Try:
dynFun[count_fun] =
(BaseGDL*(*)(EnvT*)) dlsym(module[count], entryName.c_str());
Yes. Introducing a typedef might aid understanding:
typedef BaseGDL* (*dynFun_t)(EnvT* e);
dynFun_t dynFun[MAXDLL/2];
// ...
dynFun[count_fun] = (dynFun_t) dlsym(...);
Thanks!
--
Orion Poplawski
Manager of NWRA Technical Systems 720-772-5637
NWRA, Boulder/CoRA Office FAX: 303-415-9702
3380 Mitchell Lane orion@xxxxxxxx
Boulder, CO 80301 https://www.nwra.com/
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