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Check for FD_SET overrun.

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This commit is contained in:
Jacques Vidrine 2002-09-09 15:58:08 +00:00
parent 4dfbdd7823
commit ef9d72e14c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103129
1 changed files with 4 additions and 0 deletions
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4
sbin/ping/ping.c
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@ -648,6 +648,10 @@ main(argc, argv)
fd_set rfds;
check_status();
if (s >= FD_SETSIZE) {
(void)fprintf(stderr, "descriptor too large");
exit(EX_OSERR);
}
FD_ZERO(&rfds);
FD_SET(s, &rfds);
(void)gettimeofday(&now, NULL);