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charset=US-ASCII; format=flowed To whom it may concern; Spent some time chasing a red herring around the'get_suffix' function. The patch included aims to simplify the logic considerably. There are a number of interesting points to note: Under normal situations (".gz") (could be modified by using -S) the predicate: <code> if (z_len < suflen && strequ (z_suffix, *suf + suflen - z_len)) </code> Will never be true. Modifications to the suffix string, possibly at build time, or on the command line will trigger the boolean to get set, executing: <code> known_suffixes[suffix_of_builtin ? sizeof known_suffixes / sizeof *known_suffixes - 2 : 0] = z_lower; </code> This will drop the duplicated pointer into the next-to-last element of the array, rather than the front. The const qualifier on known_suffixes on reading that it is const but this is not the case. strlen is a size_t, there may potentially be sign extension issues. It could be possible to craft a pointer as an argument to a mapped memory region if it was large enough to trigger a sign extension error, however it's extremely unlikely. Take care, John SETH Thielemann JOSTALY Technologies https://www.jostaly.com 223-231-3511 --=_f31050eaa80c82f205a33d8312f93b88 Content-Transfer-Encoding: base64 Content-Type: text/x-diff; name=gzip.patch Content-Disposition: attachment; filename=gzip.patch; size=6743 ZGlmZiAtTmF1ciBnemlwLTEuMTIudmFuaWxsYS9nemlwLmMgZ3ppcC0xLjEyLnBhdGNoL2d6aXAu YwotLS0gZ3ppcC0xLjEyLnZhbmlsbGEvZ3ppcC5jCTIwMjItMDMtMzEgMDE6MzI6NTMuMDAwMDAw MDAwICswMDAwCisrKyBnemlwLTEuMTIucGF0Y2gvZ3ppcC5jCTIwMjQtMDgtMTYgMTc6NTE6NTgu MzkzNzY5NDIxICswMDAwCkBAIC0zMTMsNyArMzEzLDcgQEAKIGxvY2FsIHZvaWQgdHJlYXRfc3Rk aW4gICh2b2lkKTsKIGxvY2FsIHZvaWQgdHJlYXRfZmlsZSAgIChjaGFyICppbmFtZSk7CiBsb2Nh bCBpbnQgY3JlYXRlX291dGZpbGUgKHZvaWQpOwotbG9jYWwgY2hhciAqZ2V0X3N1ZmZpeCAgKGNo YXIgKm5hbWUpOworbG9jYWwgY29uc3QgY2hhciAqZ2V0X3N1ZmZpeCAgKGNoYXIgKm5hbWUpOwog bG9jYWwgaW50ICBvcGVuX2lucHV0X2ZpbGUgKGNoYXIgKmluYW1lLCBzdHJ1Y3Qgc3RhdCAqc2J1 Zik7CiBsb2NhbCB2b2lkIGRpc2NhcmRfaW5wdXRfYnl0ZXMgKHNpemVfdCBuYnl0ZXMsIHVuc2ln 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Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: John SETH Thielemann <sthielemann@HIDDEN> Subject: bug#72682: Acknowledgement (patch around get_suffix) Message-ID: <handler.72682.B.172387882327900.ack <at> debbugs.gnu.org> References: <c604c1d98bf8da7d4963b5e10e8299bb@HIDDEN> X-Gnu-PR-Message: ack 72682 X-Gnu-PR-Package: gzip Reply-To: 72682 <at> debbugs.gnu.org Date: Sat, 17 Aug 2024 07:14:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-gzip@HIDDEN If you wish to submit further information on this problem, please send it to 72682 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 72682: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D72682 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.