John Skaller2 schrieb am 01.02.20 um 15:38: > On 1 Feb 2020, at 20:00, Greg Ewing wrote: >> On 1/02/20 3:29 pm, John Skaller2 wrote: >>> But the all hell breaks loose for pointers. Your hack only >>> works for rvalues. >> >> Yes, using these it's possible for Cython to accept something >> that will later be rejected by the C compiler. It's not perfect, >> but it gets the job done most of the time. > > My concern is that the C compiler wont reject it, the program > will corrupt data or crash: > > int32_t *x=..; *x = 42; > int64_t *x=..; *x = 42; > > The C compiler will overwrite 4 or 8 bytes. Which one matters.
As stated before, the C compiler will see the correct definition of the types in the header files. And the generated C code will use the same type names that the user had in their source code. "int64_t" will not magically become "int" there. Stefan _______________________________________________ cython-devel mailing list cython-devel@python.org https://mail.python.org/mailman/listinfo/cython-devel