Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs Date: Wed, 2 Jun 2004 14:04:33 -0400 (EDT) From: Igor Pechtchanski Reply-To: cygwin@cygwin.com To: cygwin@cygwin.com cc: "Gerrit P. Haase" Subject: Bug in scanf &Co (Was Re: Error message from antiword since upgrade to cygwin 1.5.10) In-Reply-To: Message-ID: References: <123-1790318362.20040602140951@familiehaase.de> <32-1775580380.20040602181529@familiehaase.de> MIME-Version: 1.0 Content-Type: MULTIPART/Mixed; BOUNDARY="-559023410-1903590565-1086197614=:18478" Content-ID: X-Scanned-By: MIMEDefang 2.39 ---559023410-1903590565-1086197614=:18478 Content-Type: TEXT/PLAIN; CHARSET=US-ASCII Content-ID: On Wed, 2 Jun 2004, Igor Pechtchanski wrote: > On Wed, 2 Jun 2004, Gerrit P. Haase wrote: > > [snip] > > Everything works ok with cygwin-1.5.9. I'll try to recompile with > > 1.5.10 later, maybe that helps... > > > > Gerrit > > Try the attached patch. FWIW, it seems like there's a bug here, but > sscanf used to mask it. Was there a change in the sscanf implementation > since 1.5.9? > Igor Never mind. This is a bug in the newlib scanf family implementation (actually, in __svfscanf_r in libc/stdio/vfscanf.c) that causes it to read strings of the form 0x0+ incorrectly. Attached is a testcase that demonstrates the bug. I suspect the following change: 2004-04-21 J"orn Rennecke * libc/stdio/vfscanf.c (NNZDIGITS): New define. (__svfscanf_r): In integer conversions, leave out leading zeroes which are not part of a base prefix. Keep track of width truncation to fit into buf, not counting left-out zeroes against width till the truncation has been compensated for. HTH, Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ pechtcha@cs.nyu.edu ZZZzz /,`.-'`' -. ;-;;,_ igor@watson.ibm.com |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "I have since come to realize that being between your mentor and his route to the bathroom is a major career booster." -- Patrick Naughton ---559023410-1903590565-1086197614=:18478 Content-Type: TEXT/PLAIN; charset=US-ASCII; name="scanfbug.c" Content-Transfer-Encoding: BASE64 Content-ID: Content-Description: Content-Disposition: attachment; filename="scanfbug.c" I2luY2x1ZGUgPHN0ZGxpYi5oPg0KI2luY2x1ZGUgPHN0ZGlvLmg+DQoNCmlu dCBtYWluKGNoYXIgYWMsIGNoYXIgKmF2W10pIHsNCiAgY29uc3QgY2hhciAq c3RyMSA9ICIweDEgMHgwIDB4MyI7DQogIGNvbnN0IGNoYXIgKnN0cjIgPSAi MHgxIDB4MiAweDMiOw0KICB1bnNpZ25lZCBpbnQgaSxqLGs7DQogIHNzY2Fu ZihzdHIxLCAiJXggJXggJXgiLCAmaSwgJmosICZrKTsNCiAgcHJpbnRmKCJW YWx1ZXMgYXJlOiAleCAleCAleFxuIiwgaSwgaiwgayk7DQogIHNzY2FuZihz dHIyLCAiJXggJXggJXgiLCAmaSwgJmosICZrKTsNCiAgcHJpbnRmKCJWYWx1 ZXMgYXJlOiAleCAleCAleFxuIiwgaSwgaiwgayk7DQp9DQoNCg== ---559023410-1903590565-1086197614=:18478 Content-Type: text/plain; charset=us-ascii -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ ---559023410-1903590565-1086197614=:18478--