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From: "nszabolcs at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18235] New: utmpx struct's ut_tv member has wrong type on x86_64 linux
Date: Fri, 10 Apr 2015 10:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=18235

            Bug ID: 18235
           Summary: utmpx struct's ut_tv member has wrong type on x86_64
                    linux
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: nszabolcs at gmail dot com
                CC: drepper.fsp at gmail dot com

ut_tv member is required to have type struct timeval

http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/utmpx.h.html

the following code fails on x86_64 linux:

#define _XOPEN_SOURCE 700
#include <utmpx.h>
void f()
{
struct utmpx x;
struct timeval *p = &x.ut_tv; // warning: initialization from incompatible
pointer type [enabled by default]
}

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