Re: [Qemu-devel] [PATCH for-2.12] dump: Fix build with newer gcc

[Paolo Bonzini <pbonzini@redhat.com>]

On 06/04/2018 17:06, Eric Blake wrote:
> On 04/03/2018 01:46 PM, Eric Blake wrote:
>> On 03/27/2018 03:21 PM, Eric Blake wrote:
>>> gcc 8 on rawhide is picky enough to complain:
>>>
>>> /home/dummy/qemu/dump.c: In function 'create_header32':
>>> /home/dummy/qemu/dump.c:817:5: error: 'strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Werror=stringop-truncation]
>>>      strncpy(dh->signature, KDUMP_SIGNATURE, strlen(KDUMP_SIGNATURE));
>>>      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> But we already have SIG_LEN defined as the right length without needing
>>> to do a strlen(), and memcpy() is better than strncpy() when we know
>>> we do not want a trailing NUL byte.
>>>
>>> Signed-off-by: Eric Blake <eblake@redhat.com>
>>> ---
>>>  dump.c | 4 ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> I'll include this in my qapi+misc pull request for 2.12-rc2
> 
> That pull request was abandoned; Paolo, do you want to pick this up in
> your misc tree?
> 

Ok.

Paolo