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Use a union and sizeof() to avoid a cast and an anonymous constant 

buffer length, respectively.
This commit is contained in:
dyoung 2008-09-09 16:23:33 +00:00
parent a26d1ce8fc
commit c08d63b5ad
1 changed files with 8 additions and 5 deletions
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13
sbin/route/route.c
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@ -1,4 +1,4 @@
/* $NetBSD: route.c,v 1.108 2008/09/09 16:18:17 dyoung Exp $ */
/* $NetBSD: route.c,v 1.109 2008/09/09 16:23:33 dyoung Exp $ */
/*
* Copyright (c) 1983, 1989, 1991, 1993
@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1989, 1991, 1993\
#if 0
static char sccsid[] = "@(#)route.c 8.6 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: route.c,v 1.108 2008/09/09 16:18:17 dyoung Exp $");
__RCSID("$NetBSD: route.c,v 1.109 2008/09/09 16:23:33 dyoung Exp $");
#endif
#endif /* not lint */
@ -1376,7 +1376,10 @@ static void
monitor(void)
{
int n;
char msg[2048];
union {
char msg[2048];
struct rt_msghdr hdr;
} u;
verbose = 1;
if (debugonly) {
@ -1385,10 +1388,10 @@ monitor(void)
}
for(;;) {
time_t now;
n = read(sock, msg, 2048);
n = read(sock, &u, sizeof(u));
now = time(NULL);
(void)printf("got message of size %d on %s", n, ctime(&now));
print_rtmsg((struct rt_msghdr *)msg, n);
print_rtmsg(&u.hdr, n);
}
}