dump: fill in the flat header signature more pleasingly to the eye
The "mh.signature" array field has size 16, and is zeroed by the preceding memset(). MAKEDUMPFILE_SIGNATURE expands to a string literal with string length 12 (size 13). There's no need to measure the length of MAKEDUMPFILE_SIGNATURE at runtime, nor for the extra zero-filling of "mh.signature" with strncpy(). Use memcpy() with MIN(sizeof, sizeof) for robustness (which is an integer constant expression, evaluable at compile time.) Approximately-suggested-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NLaszlo Ersek <lersek@redhat.com> Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
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