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From: "xinliangli at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/52955] New: Missing warning on wrong sizeof usage Date: Thu, 12 Apr 2012 21:57:00 -0000 [thread overview] Message-ID: <bug-52955-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52955 Bug #: 52955 Summary: Missing warning on wrong sizeof usage Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: xinliangli@gmail.com Example: #include <memory.h> struct S { int a, b, c; float vec[16]; }; void test(S *s) { // ... memset(s, 0, sizeof(s)); // ... } /* memset.cpp:5:23: warning: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to dereference it? [- Wsizeof-pointer-memaccess] memset(s, 0, sizeof(s)); ~ ^ 1 warning generated. */
next reply other threads:[~2012-04-12 21:57 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-04-12 21:57 xinliangli at gmail dot com [this message] 2012-04-13 0:09 ` [Bug c++/52955] " pinskia at gcc dot gnu.org 2012-10-11 22:33 ` paolo.carlini at oracle dot com 2012-10-11 22:45 ` jakub at gcc dot gnu.org
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