On 2012-03-10 21:20, Stefan Weil wrote:
> Casting a pointer to an integer value must use uintptr_t or intptr_t
> (not long) for portable code. MinGW-w64 requires this because
> sizeof(long) != sizeof(void *) for w64 hosts, so casting to long
> raises a compiler warning.
>
> I use uintptr_t instead of intptr_t because changing the sign does not
> matter here and casting pointers to unsigned values seems more
> reasonable (the unsigned value is a non negative offset.
>
> Cc: Jan Kiszka <jan.kis...@siemens.com>
> Signed-off-by: Stefan Weil <s...@weilnetz.de>
> ---
> slirp/cksum.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/slirp/cksum.c b/slirp/cksum.c
> index e43867d..6328660 100644
> --- a/slirp/cksum.c
> +++ b/slirp/cksum.c
> @@ -75,7 +75,7 @@ int cksum(struct mbuf *m, int len)
> /*
> * Force to even boundary.
> */
> - if ((1 & (long) w) && (mlen > 0)) {
> + if ((1 & (uintptr_t)w) && (mlen > 0)) {
> REDUCE;
> sum <<= 8;
> s_util.c[0] = *(uint8_t *)w;
Thanks, I picked this up for the slirp queue for which I will send a
pull request later today.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
