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由 Daniel P. Berrangé 提交于
In file included from /usr/include/string.h:494, from include/qemu/osdep.h:101, from linux-user/uname.c:20: In function ‘strncpy’, inlined from ‘sys_uname’ at linux-user/uname.c:94:3: /usr/include/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 64 bytes from a string of length 64 [-Wstringop-truncation] 106 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We don't care where the NUL terminator in the original uname field was. It suffices to copy the entire original field and simply force a NUL terminator at the end of the new field. Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190501144646.4851-1-berrange@redhat.com> Signed-off-by: NLaurent Vivier <laurent@vivier.eu>
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