Re: [PATCH blktests] blktests: Fix compilation warning

[Omar Sandoval <osandov@osandov.com>]

On Mon, Dec 17, 2018 at 02:51:08PM +0900, Damien Le Moal wrote:
> Fix strncpy length to "sizeof(buf) - 1" to avoid the compiler warning:
> cc  -O2 -Wall -Wshadow  -o sg/syzkaller1 sg/syzkaller1.c
> sg/syzkaller1.c: In function ‘syz_open_dev.constprop’:
> sg/syzkaller1.c:204:16: warning: ‘strncpy’ specified bound 1024 equals
> destination size [-Wstringop-truncation]
>      NONFAILING(strncpy(buf, (char*)a0, sizeof(buf)));
>                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> sg/syzkaller1.c:143:7: note: in definition of macro ‘NONFAILING’
>        __VA_ARGS__;                                                     \
>        ^~~~~~~~~~~
> 
> Since the last character of buf is forced set to 0, there is no
> functional change introduced by this patch.
> 
> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>

Applied, thanks, Damien.