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avoid overflow during multiply. David Laight

This commit is contained in:
itojun 2003-09-15 23:38:20 +00:00
parent 64408794ea
commit 94da0d16ac
2 changed files with 6 additions and 6 deletions
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6
lib/libc/gen/randomid.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: randomid.c,v 1.6 2003/09/13 21:29:57 itojun Exp $ */
/* $NetBSD: randomid.c,v 1.7 2003/09/15 23:38:20 itojun Exp $ */
/* $KAME: ip6_id.c,v 1.8 2003/09/06 13:41:06 itojun Exp $ */
/* $OpenBSD: ip_id.c,v 1.6 2002/03/15 18:19:52 millert Exp $ */
@ -88,7 +88,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: randomid.c,v 1.6 2003/09/13 21:29:57 itojun Exp $");
__RCSID("$NetBSD: randomid.c,v 1.7 2003/09/15 23:38:20 itojun Exp $");
#endif
#include "namespace.h"
@ -314,7 +314,7 @@ randomid(struct randomid_ctx *p)
for (i = 0; i <= n; i++) {
/* Linear Congruential Generator */
p->ru_x = (p->ru_a * p->ru_x + p->ru_b) % p->ru_m;
p->ru_x = ((u_int64_t)p->ru_a * p->ru_x + p->ru_b) % p->ru_m;
}
p->ru_counter += i;

6
sys/netinet6/ip6_id.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ip6_id.c,v 1.7 2003/09/13 21:32:59 itojun Exp $ */
/* $NetBSD: ip6_id.c,v 1.8 2003/09/15 23:38:58 itojun Exp $ */
/* $KAME: ip6_id.c,v 1.8 2003/09/06 13:41:06 itojun Exp $ */
/* $OpenBSD: ip_id.c,v 1.6 2002/03/15 18:19:52 millert Exp $ */
@ -87,7 +87,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ip6_id.c,v 1.7 2003/09/13 21:32:59 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: ip6_id.c,v 1.8 2003/09/15 23:38:58 itojun Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -238,7 +238,7 @@ randomid(struct randomtab *p)
for (i = 0; i <= n; i++) {
/* Linear Congruential Generator */
p->ru_x = (p->ru_a * p->ru_x + p->ru_b) % p->ru_m;
p->ru_x = ((u_int64_t)p->ru_a * p->ru_x + p->ru_b) % p->ru_m;
}
p->ru_counter += i;