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avoid pointer gymnastics

This commit is contained in:
christos 2013-10-18 20:18:42 +00:00
parent f49cbbddb9
commit 3c6b5224e0
1 changed files with 6 additions and 6 deletions
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12
usr.bin/fstat/fstat.c
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@ -1,4 +1,4 @@
/* $NetBSD: fstat.c,v 1.100 2012/11/25 00:36:23 christos Exp $ */ /* $NetBSD: fstat.c,v 1.101 2013/10/18 20:18:42 christos Exp $ */
/*- /*-
* Copyright (c) 1988, 1993 * Copyright (c) 1988, 1993
@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1988, 1993\
#if 0 #if 0
static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95"; static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95";
#else #else
__RCSID("$NetBSD: fstat.c,v 1.100 2012/11/25 00:36:23 christos Exp $"); __RCSID("$NetBSD: fstat.c,v 1.101 2013/10/18 20:18:42 christos Exp $");
#endif #endif
#endif /* not lint */ #endif /* not lint */
@ -895,6 +895,7 @@ inet6_addrstr(char *buf, size_t len, const struct in6_addr *a, uint16_t p)
{ {
char addr[256], serv[256]; char addr[256], serv[256];
struct sockaddr_in6 sin6; struct sockaddr_in6 sin6;
uint16_t ad2;
const int niflags = nflg ? (NI_NUMERICHOST|NI_NUMERICSERV) : 0; const int niflags = nflg ? (NI_NUMERICHOST|NI_NUMERICSERV) : 0;
(void)memset(&sin6, 0, sizeof(sin6)); (void)memset(&sin6, 0, sizeof(sin6));
@ -903,10 +904,9 @@ inet6_addrstr(char *buf, size_t len, const struct in6_addr *a, uint16_t p)
sin6.sin6_addr = *a; sin6.sin6_addr = *a;
sin6.sin6_port = htons(p); sin6.sin6_port = htons(p);
if (IN6_IS_ADDR_LINKLOCAL(a) && memcpy(&ad2, &sin6.sin6_addr.s6_addr[2], sizeof(ad2));
*(u_int16_t *)&sin6.sin6_addr.s6_addr[2] != 0) { if (IN6_IS_ADDR_LINKLOCAL(a) && ad2 != 0) {
sin6.sin6_scope_id = sin6.sin6_scope_id = ntohs(ad2);
ntohs(*(uint16_t *)&sin6.sin6_addr.s6_addr[2]);
sin6.sin6_addr.s6_addr[2] = 0; sin6.sin6_addr.s6_addr[2] = 0;
sin6.sin6_addr.s6_addr[3] = 0; sin6.sin6_addr.s6_addr[3] = 0;
} }