Re: [libvirt] [cim PATCH] Ensure nul termination of hostname

Newest GCC warns that the string copying is potentially truncated and thus not nul terminated. In file included from /usr/include/string.h:494, from ../../src/Virt_HostSystem.c:23: In function ‘strncpy’, inlined from ‘resolve_host’ at ../../src/Virt_HostSystem.c:55:28, inlined from ‘get_fqdn’ at ../../src/Virt_HostSystem.c:92:23, inlined from ‘set_host_system_properties’ at ../../src/Virt_HostSystem.c:109:13: /usr/include/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ specified bound 256 equals destination size [-Werror=stringop-truncation] 106 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In function ‘strncpy’, inlined from ‘resolve_host’ at ../../src/Virt_HostSystem.c:67:17, inlined from ‘get_fqdn’ at ../../src/Virt_HostSystem.c:92:23, inlined from ‘set_host_system_properties’ at ../../src/Virt_HostSystem.c:109:13: /usr/include/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ specified bound 256 equals destination size [-Werror=stringop-truncation] 106 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/Virt_HostSystem.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-)