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There is no payload anymore. So compute the minimum packet length

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correctly and use 40 as the default (if the minumum allows it), as
specified in the man page.

MFC after: 3 days
This commit is contained in:
Michael Tuexen 2015-05-30 20:39:19 +00:00
parent 3105514edd
commit a6167a2523
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=283786
1 changed files with 5 additions and 2 deletions
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7
contrib/traceroute/traceroute.c
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@ -669,8 +669,11 @@ main(int argc, char **argv)
if (lsrr > 0)
optlen = (lsrr + 1) * sizeof(gwlist[0]);
minpacket = sizeof(*outip) + proto->hdrlen + sizeof(struct outdata) + optlen;
packlen = minpacket; /* minimum sized packet */
minpacket = sizeof(*outip) + proto->hdrlen + optlen;
if (minpacket > 40)
packlen = minpacket;
else
packlen = 40;
/* Process destination and optional packet size */
switch (argc - optind) {