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Shifting by 32 on a 32-bit machine is undefined

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(and in fact -1 << 32 results in -1 on e.g. x86)
This commit is contained in:
ws 1997-01-29 12:07:26 +00:00
parent c80b5ae409
commit ac112dcf50
1 changed files with 4 additions and 3 deletions
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7
sbin/routed/parms.c
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@ -1,4 +1,4 @@
/* $NetBSD: parms.c,v 1.3 1996/09/24 16:24:17 christos Exp $ */
/* $NetBSD: parms.c,v 1.4 1997/01/29 12:07:26 ws Exp $ */
/*
* Copyright (c) 1983, 1993
@ -36,7 +36,7 @@
#if !defined(lint) && !defined(sgi) && !defined(__NetBSD__)
static char sccsid[] = "@(#)if.c 8.1 (Berkeley) 6/5/93";
#elif defined(__NetBSD__)
static char rcsid[] = "$NetBSD: parms.c,v 1.3 1996/09/24 16:24:17 christos Exp $";
static char rcsid[] = "$NetBSD: parms.c,v 1.4 1997/01/29 12:07:26 ws Exp $";
#endif
#include "defs.h"
@ -591,7 +591,8 @@ getnet(char *name,
mask = (naddr)strtoul(mname, &p, 0);
if (*p != '\0' || mask > 32)
return 0;
mask = HOST_MASK << (32-mask);
if (mask != 0)
mask = HOST_MASK << (32-mask);
}
if (mask != 0 && in.s_addr == RIP_DEFAULT)
return 0;