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John L. Jolly 36b9e15fb7 - Build warning: stringop-overflow in
get_dynamic_win_info() at osc_ucx_comm.c

In file included from /usr/include/string.h:494:0,
                 from ../../../../ompi/info/info.h:29,
                 from ../../../../ompi/mca/osc/base/base.h:24,
                 from osc_ucx_comm.c:13:
In function 'memcpy',
    inlined from 'get_dynamic_win_info' at osc_ucx_comm.c:359:5,
    inlined from 'ompi_osc_ucx_put' at osc_ucx_comm.c:401:18:
/usr/include/bits/string_fortified.h:34:10: warning: '__builtin___memcpy_chk' writing 8 bytes into a region of size 4 overflows the destination [-Wstringop-overflow=]
   return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

This is caused by a type size mismatch in a call to memcpy

This fix corrects the type definition of the win_count variable.

Signed-off-by: John Jolly <jjolly@suse.com>
2018-05-22 10:11:57 -06:00
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