[QPID-8200] [linearstore] Compile error when compiling on Fedora 28

• Type: Bug
• Status: Reviewable
• Priority: Major
• Resolution: Unresolved
• Component/s: C++ Broker
• Assignee: Kim van der Riet
• Reporter: Kim van der Riet
• Created: 25/May/18 17:29
• Updated: 06/Jun/18 15:25

Description

When compiling on Fedora 28, a compile warning -Werror=class-memaccess is seen when compiling qpid::linearstore::journal::pmgr , and which was not seen on Fedora 27:

qpid::linearstore::journal::pmgr::initialize(qpid::linearstore::journal::aio_callback*, uint32_t, uint16_t)':
/foo/cpp/src/qpid/linearstore/journal/pmgr.cpp:115:68: error: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct qpid::linearstore::journal::pmgr::page_cb'; use assignment instead [-Werror=class-memaccess]
     std::memset(_page_cb_arr, 0, _cache_num_pages * sizeof(page_cb));
                                                                    ^
In file included from /foo/cpp/src/qpid/linearstore/journal/pmgr.cpp:22:
/foo/cpp/src/qpid/linearstore/journal/pmgr.h:63:12: note: 'struct qpid::linearstore::journal::pmgr::page_cb' declared here
     struct page_cb
            ^~~~~~~
cc1plus: all warnings being treated as errors