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deduct phdrlen after computing max size.

This commit is contained in:
christos 2012-12-30 03:19:24 +00:00
parent 0ec9e614e3
commit ed79344487
1 changed files with 4 additions and 4 deletions
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8
sbin/ping/ping.c
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@ -1,4 +1,4 @@
/* $NetBSD: ping.c,v 1.104 2012/12/30 02:41:11 christos Exp $ */
/* $NetBSD: ping.c,v 1.105 2012/12/30 03:19:24 christos Exp $ */
/*
* Copyright (c) 1989, 1993
@ -58,7 +58,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: ping.c,v 1.104 2012/12/30 02:41:11 christos Exp $");
__RCSID("$NetBSD: ping.c,v 1.105 2012/12/30 03:19:24 christos Exp $");
#endif
#include <stdio.h>
@ -468,8 +468,8 @@ main(int argc, char *argv[])
} else
phdrlen = 0;
datalen -= phdrlen;
packlen = datalen + 60 + 76; /* MAXIP + MAXICMP */
datalen -= phdrlen;
if ((packet = malloc(packlen)) == NULL)
err(1, "Out of memory");
@ -637,7 +637,7 @@ main(int argc, char *argv[])
#endif /*IPSEC*/
(void)printf("PING %s (%s): %d data bytes\n", hostname,
inet_ntoa(whereto.sin_addr), datalen);
inet_ntoa(whereto.sin_addr), datalen + phdrlen);
/* When pinging the broadcast address, you can get a lot
* of answers. Doing something so evil is useful if you