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Message-ID: <5851C9C3.6050609@adelielinux.org> Date: Wed, 14 Dec 2016 16:37:55 -0600 From: "A. Wilcox" <awilfox@...lielinux.org> To: musl@...ts.openwall.com Subject: Re: Handling of L and ll prefixes different from glibc -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 14/12/16 11:17, Szabolcs Nagy wrote: > * Rich Felker <dalias@...c.org> [2016-12-14 11:13:48 -0500]: >> behavior. I'm mildly leaning towards causing a crash on invalid >> format strings so that the location of the incorrect usage can be >> quickly found with a debugger, but I'd like feedback from users >> who've debugged this sort of thing on whether that'd actually be >> helpful. > > crashing sounds good to me. > Would this be able to be configured in some way when building the libc (-D_CRASH_ON_PRINTF_UB or such)? This sounds like a great tool to use when doing conformance testing, and in general once testing has been done. However, it also sounds like a great way to break packages already "working" on musl. - --arw - -- A. Wilcox (awilfox) Project Lead, Adélie Linux http://adelielinux.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJYUcm9AAoJEMspy1GSK50U4twQALPW33GUPTTBdycM8QsnzDNE nb3X/Mnuf30PjD5MaLBbVrw5jiOMbBLkD9krVvkpAPmFSpkzv43ec8rLknmhSX8E 97UsQtZKqUKft/LqpU4rJyAqcKMIhIUVRbCfixFkW2LIVCMoEZu7znaf6p3E3ISk lCQpuOfmnESW4/YPozu0nWLZSdwabCilqNylLLu9AsUJJrwWwIWU4XyZYjMlfWhP CIGFtnBqPw20rCHxdpyPnzzlzz/eb89ZmwjfR88BsRzk9g5piaoDWbWi5LGgG4iz JrhVJ2wYeGOxuDxmnXy64WM0b+cw4loe5uNp1CYeCCbAGNFe6bv0IonwBb/PfKyX 4wzBtlsRcvPavJCQhlWU1pX+jMHDFdDc0Z9kT07IVQCKsMDVzp95rMCEFfiYCVkK 1grZB6GO0mZKaH+1EavUXeRb+OF2T8o+xvSqHEc4NpRQ+xsqrM6TFAL0vdEBny7z GLC9+v9rr6BTFy+MVICPIyEmpPvzzkzztMOCWK6BBR0BHyj7/tFCDMHjZ8tarq5n bVe2x3hgG/II4hCOZ2dC/cxv5Q1jHG0oOrIsnUTecdGhN+VU+v1BT2OwjJMSAScM MYchwXK0V1DEaXd5vVj9/UuZGbupkYnzKPJLMNAlhWYBUbwQHp6pC81EsJQPbp+T rv/O49Cuv3xPRiSl0iu/ =2U8C -----END PGP SIGNATURE-----
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