Re: [Qemu-devel] [PATCH v3 0/5] Fix strncpy() warnings for GCC8 new -Wstringop-truncation

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Dec 18, 2018 at 06:51:17PM +0100, Philippe Mathieu-Daudé wrote:
> GCC 8 new warning prevents builds to success since quite some time.
> First report on the mailing list is in July 2018:
> https://lists.gnu.org/archive/html/qemu-devel/2018-07/msg03723.html
> 
> Various intents has been sent to fix this:
> - Incorrectly using g_strlcpy()
>   https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg03705.html
>   https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg03706.html
> - Using assert() and strpadcpy()
>   https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg03938.html
> - Use #pragma GCC diagnostic ignored "-Wstringop-truncation"
>   https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04261.html
> - adding an inline wrapper with said pragma in there
>   https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04261.html
> - -Wno-stringop-truncation is the makefile
>   https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04261.html
> - Use the 'nonstring' attribute
>   https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg04493.html
> 
> This series add the QEMU_NONSTRING definition and use it.
> 
> Regards,
> 
> Phil.


Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

> Philippe Mathieu-Daudé (5):
>   qemu/compiler: Define QEMU_NONSTRING
>   block/sheepdog: Use QEMU_NONSTRING for non NUL-terminated arrays
>   hw/acpi: Use QEMU_NONSTRING for non NUL-terminated arrays
>   migration: Use QEMU_NONSTRING for non NUL-terminated arrays
>   migration: Use strnlen() for fixed-size string
> 
>  block/sheepdog.c            |  2 +-
>  hw/acpi/core.c              |  8 ++++----
>  include/hw/acpi/acpi-defs.h |  8 ++++----
>  include/qemu/compiler.h     | 15 +++++++++++++++
>  migration/global_state.c    |  4 ++--
>  5 files changed, 26 insertions(+), 11 deletions(-)
> 
> -- 
> 2.17.2