From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/2743 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: guard bug for strerror_r Date: Fri, 08 Feb 2013 17:48:18 +0100 Message-ID: <1360342098.2983.360.camel@eris.loria.fr> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-mOubD3GxwznfMQwzPg+X" X-Trace: ger.gmane.org 1360342111 7945 80.91.229.3 (8 Feb 2013 16:48:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 8 Feb 2013 16:48:31 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-2744-gllmg-musl=m.gmane.org@lists.openwall.com Fri Feb 08 17:48:51 2013 Return-path: Envelope-to: gllmg-musl@plane.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) 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Cj15cu23XZI4/826Px/xqB37z547sPH374oOvnKTsOb+1zuCoImZARM8ZiLlKkXcWOcoFRJ+Do/CwFO4e2DEe+9Ti+ZXA8ny/cU+X4bMKRZxZIVEiqXI6/+NKuUzPHb7z40ovnX3zx+Ctuq38HyuqWG7Tu+A0AAAAASUVORK5CYII= X-Mailer: Evolution 3.2.3-0ubuntu6 Xref: news.gmane.org gmane.linux.lib.musl.general:2743 Archived-At: --=-mOubD3GxwznfMQwzPg+X Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable hi, me again. Digging a bit deeper in strerror_r I think the #if condition that triggers the declaration of the POSIX version is wrong.=20 The linux man page says The XSI-compliant version of strerror_r() is provided if: (_POSIX_C_SOURCE >=3D 200112L || _XOPEN_SOURCE >=3D 600) && ! _GNU_S= OURCE Otherwise, the GNU-specific version is provided. but the musl code has #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ || defined(_BSD_SOURCE) ... int strerror_r (int, char *, size_t); ... #endif So if __GNU_SOURCE is set, glibc chooses their own interface and musl choose the POSIX interface. Why is musl touching __GNU_SOURCE at all? Jens --=20 :: INRIA Nancy Grand Est :: http://www.loria.fr/~gustedt/ :: :: AlGorille ::::::::::::::: office Nancy : +33 383593090 :: :: ICube :::::::::::::: office Strasbourg : +33 368854536 :: :: ::::::::::::::::::::::::::: gsm France : +33 651400183 :: :: :::::::::::::::::::: gsm international : +49 15737185122 :: --=-mOubD3GxwznfMQwzPg+X Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEABECAAYFAlEVLFIACgkQD9PoadrVN+KcJACfchHBZo2/11m5eMGB6HS0aZFn yXwAn398sDjslgREMgjU68dEUWZfO9EB =khZI -----END PGP SIGNATURE----- --=-mOubD3GxwznfMQwzPg+X--