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/*
* RTFL
*
* Copyright 2015 Sebastian Geerken <sgeerken@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <unistd.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/select.h>
static void syserr (const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
vfprintf (stderr, fmt, args);
fprintf (stderr, ": %s\n", strerror (errno));
exit (1);
}
int main (int argc, char *argv[])
{
int eos = 0;
while (!eos) {
fd_set readfds;
FD_ZERO (&readfds);
FD_SET (0, &readfds);
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
if (select (1, &readfds, NULL, NULL, &tv) == -1)
syserr ("select failed");
if (FD_ISSET (0, &readfds)) {
char buf[1024];
int n = read (0, buf, 1024);
if (n == -1)
syserr ("select read");
else if (n == 0)
eos = 1;
else
if (write (1, buf, n) == -1)
syserr ("write failed");
} else
puts ("---------- timeout? ----------");
}
return 0;
}
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