Re: const oddity in decorated names
Ulrich Eckhardt wrote:
J Levin wrote:
If I declare the functions
void foo(int bar[])
void bar(int * bar)
then I expect them to behave the same way - and indeed they do in
most cases. I have give these functions these (admittedly
meeningless) implementation:
__declspec(dllexport) void foo(int bar[]) { bar = NULL; }
__declspec(dllexport) void bar(int * bar) { bar = NULL; }
The program compiles. If I look at the decorated names of the
exported names in the dll they aren't the same though. foo gets a
decorated names that indicates that it was declared as
void foo(int * const bar).
But since the program above compiled that is obviously not the case.
Right, and it's odd indeed.
I'll have admit that the difference between "int *" and "int *
const" in a function argument is irrelevant to the caller of the
function, but is there a reason for this oddity, or is this just a
mistake?
Not only that, a top-level const is (by definition) not part of the
function signature.
These two:
void fn( int* x);
void fn( int* const x);
declare the same function.
Right. A better check might be
__declspec(__dllimport) void fn(int x[]);
__declspec(__dllimport) void fn(int* x);
These are two declarations of the same function. I wonder how many
*imported* symbols would one get here...
V
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