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PING(8): Honour file descriptor maximum
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@ -75,6 +75,7 @@ __FBSDID("$FreeBSD$");
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#include <getopt.h>
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#include <machine/rtems-bsd-program.h>
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#include <machine/rtems-bsd-commands.h>
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#include <rtems/libio_.h>
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#endif /* __rtems__ */
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#include <sys/param.h> /* NB: we rely on this for <sys/types.h> */
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#include <sys/capsicum.h>
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@ -976,13 +977,23 @@ main(int argc, char *const *argv)
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almost_done = 0;
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while (!finish_up) {
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struct timeval now, timeout;
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#ifndef __rtems__
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fd_set rfds;
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#else /* __rtems__ */
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fd_set big_enough_rfds[howmany(rtems_libio_number_iops,
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sizeof(fd_set) * 8)];
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#define rfds (*(fd_set *)(&big_enough_rfds[0]))
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#endif /* __rtems__ */
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int cc, n;
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check_status();
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#ifndef __rtems__
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if ((unsigned)srecv >= FD_SETSIZE)
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errx(EX_OSERR, "descriptor too large");
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FD_ZERO(&rfds);
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#else /* __rtems__ */
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memset(big_enough_rfds, 0, sizeof(big_enough_rfds));
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#endif /* __rtems__ */
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FD_SET(srecv, &rfds);
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(void)gettimeofday(&now, NULL);
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timeout.tv_sec = last.tv_sec + intvl.tv_sec - now.tv_sec;
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