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From: "steffen at sdaoden dot eu" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/29913] iconv(3) is not POSIX compliant, and does not
 conform to linux man-pages manual
Date: Mon, 20 Feb 2023 21:52:18 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29913

--- Comment #14 from Steffen Nurpmeso <steffen at sdaoden dot eu> ---
P.P.S.: sorry for the noise!
But now, in order to deal with that (as the GNU approach has its merits,
really), i downloaded GNU libiconv, and in wchar_to_loop_convert() i see

     size_t res =3D unicode_loop_convert(&wcd->parent,
                                        &inptr,&inleft,
                                        &bufptr,&bufleft);
      if (res =3D=3D (size_t)(-1)) {
        if (errno =3D=3D EILSEQ)
          /* Invalid input. */

And so i stop because i wholeheartly agree.

I hope it is ok to assume that matching __GNU_LIBRARY__ and _LIBICONV_VERSI=
ON
(unfortunately this is all compile-time only) is all the way to go to get
EILSEQ upon output conversion error?

Thank you.

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