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slirp: Fix compiler warning for w64 

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.kiszka@siemens.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
This commit is contained in:
Stefan Weil 2012-03-10 21:20:53 +01:00 committed by Jan Kiszka
parent a68adc2206
commit 2d26512b45
1 changed files with 1 additions and 1 deletions
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2
slirp/cksum.c
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@ -75,7 +75,7 @@ int cksum(struct mbuf *m, int len)
/* /*
* Force to even boundary. * Force to even boundary.
*/ */
if ((1 & (long) w) && (mlen > 0)) { if ((1 & (uintptr_t)w) && (mlen > 0)) {
REDUCE; REDUCE;
sum <<= 8; sum <<= 8;
s_util.c[0] = *(uint8_t *)w; s_util.c[0] = *(uint8_t *)w;