On Friday 26 July 2024 03:22:24 GMT-7 Frederick Virchanza Gotham via Std-
Proposals wrote:
> Two weeks ago in my work, I was assigned a bug that was more
> complicated than this, and what I really needed in C++ was an
> "interceptor function", which would look something like this:
>
> auto Func(auto) interceptor
> {
> WriteLog( "Function called 'FlushPipe'");
> auto const h = LoadLibraryA("monkey.dll");
> auto const pf = (void(*)(void))GetProcAddress(h, "FlushPipe");
> goto pf;
> }

How many times in your career have you needed this?

> Let's say the proprietary DLL is called "monkey.dll", and so we use
> Dependency Walker or 'dumpbin' to get a list of all exported functions
>
> as follows:
> OpenPipe
> FlushPipe
> ReadPipe
> WritePipe
>
> These 4 names are not mangled, and as we don't have the accompanying
> header file, we don't know what these functions' parameters are, and
> we don't know what the return type is either.

So you have a problem in the C language. Maybe you should be directing your
suggestions to WG14.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Principal Engineer - Intel DCAI Platform & System Engineering