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From: "fweimer at redhat dot com" <sourceware-bugzilla@sourceware.org> To: glibc-bugs@sourceware.org Subject: [Bug network/15347] New: __FD_MASK triggers undefined behavior Date: Mon, 08 Apr 2013 13:59:00 -0000 [thread overview] Message-ID: <bug-15347-131@http.sourceware.org/bugzilla/> (raw) http://sourceware.org/bugzilla/show_bug.cgi?id=15347 Bug #: 15347 Summary: __FD_MASK triggers undefined behavior Product: glibc Version: 2.17 Status: NEW Severity: normal Priority: P2 Component: network AssignedTo: fweimer@redhat.com ReportedBy: fweimer@redhat.com Classification: Unclassified typedef long int __fd_mask; #define __FD_MASK(d) ((__fd_mask) 1 << ((d) % __NFDBITS)) 1 can be shifted into the sign position, which isn't legal C. I think we should just use 1UL and cast the result of the shift. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
next reply other threads:[~2013-04-08 13:59 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-04-08 13:59 fweimer at redhat dot com [this message] 2013-04-15 9:09 ` [Bug libc/15347] " siddhesh at redhat dot com 2014-02-26 9:13 ` fweimer at redhat dot com 2014-06-13 18:28 ` fweimer at redhat dot com
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