Hi
I mailed this question yesterday to the users mailing list, but it
seems that this list is more appropriate for this issue.
I wanted to use the STACK functions with
DECLARE/IMPLEMENT_STACK_OF(ClassXYZ) and got some
compiler errors (listed below) caused by the data type check of the
C++ compiler.
Casting the *problemetic* arguments, eliminated the compiler
errors.
{ return (STACK_OF(type) *)sk_new((int (*)())cmp); } \
Questions:
1. Is there a way to eliminate the C++ compiler from performing the
data type check or is there a way I could eliminate this failure
within my code?
2. If not would it be possible to add such a casting?
3. There are a few such functions in OpenSSL which are declared
and implemented differently (e.g., BIO_METHODS declarations vs.
mem_method or file_method ). What is the reason it's done this
way?
Help would be very appreciate
Dror
e:\my.cpp(20) : error C2664: 'sk_new' : cannot convert parameter 1
from 'int (__cdecl *)(class ClassXYZ** ,class ClassXYZ ** )' to 'int
(__cdecl *)(void)'
This conversion requires a reinterpret_cast, a C-style cast or
function-style cast
e:\my.cpp(20) : error C2664: 'sk_set_cmp_func' : cannot convert
parameter 2 from 'int (__cdecl *)(class ClassXYZ** ,class ClassXYZ
** )' to 'int (__cdecl *)(void)'
This conversion requires a reinterpret_cast, a C-style cast or
function-style cast
e:\my.cpp(20) : error C2664: 'sk_pop_free' : cannot convert
parameter 2 from 'void (__cdecl *)(class ClassXYZ *)' to 'void
(__cdecl *)(void)'
This conversion requires a reinterpret_cast, a C-style cast or
function-style cast
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