Subject: Re: iconv(3) prototype
To: der Mouse <mouse@Rodents.Montreal.QC.CA>
From: None <>
List: tech-userlevel
Date: 07/28/2004 09:34:57
On Wed, Jul 28, 2004 at 03:30:24AM -0400, der Mouse wrote:
> > The point of this problem is that the 2nd argument of iconv() is "a
> > pointer of a pointer".  "char *" can be converted to "const char *"
> > explicitly, but "char **" cannot be converted to "const char **"
> > without warning.
> Well, without a cast, yes.  I've never understood why char ** is
> incompatible with const char **....
> > Really, here is the sole portable way: ((size_t (*)())iconv)(cd, &src, ....); 
> That's not all that portable, as it's calling a defined-as-prototyped
> function with a non-prototyped calling sequence; I don't think that's
> guaranteed to work.  I'd say a more portable way to write code is with
> an explicit cast to (const char **) on the relevant argument.

But won't that produce a warning with our prototype?

Quentin Garnier.