John Marriott wrote:
> Compiling 8.1.22 with the new gcc 8.1 (mingw64) removes the warnings
> about signed overflow that have been around since gcc 7.1.
>
> But it's not all good news, I have a few new warnings. This one in vim
> proper:
> <snip>
> gcc -c -Iproto -DWIN32 -DWINVER=0x0603 -D_WIN32_WINNT=0x0603
> -DHAVE_PATHDEF -DFEAT_NORMAL -DHAVE_STDINT_H -DFEAT_MBYTE -pipe
> -march=native -Wall -O3 -fomit-frame-pointer -freg-struct-return -s
> memline.c -o objnative/memline.o
> In file included from memline.c:45:
> memline.c: In function 'ml_open':
> vim.h:1577:29: warning: 'strncpy' output truncated before terminating
> nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
> #define STRNCPY(d, s, n) strncpy((char *)(d), (char *)(s), (size_t)(n))
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> vim.h:1577:29: note: in definition of macro 'STRNCPY'
> #define STRNCPY(d, s, n) strncpy((char *)(d), (char *)(s), (size_t)(n))
> ^~~~~~~
> </snip>
Hmm, that's not an error or even slightly wrong. In this case we can
avoid it by using mch_memmove().
> ...and these in dosinst and uninstal:
Those look bogus. I suggest you file a bug with gcc.
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