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/* $OpenBSD: toint.c,v 1.5 2004/04/02 20:37:42 mickey Exp $ */
/* Written by Michael Shalayeff, 2003, Public domain. */
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
void
sigfpe(int sig, siginfo_t *si, void *v)
{
char buf[132];
if (si) {
snprintf(buf, sizeof(buf), "sigfpe: trap=%d code=%d addr=%p\n",
si->si_trapno, si->si_code, si->si_addr);
write(1, buf, strlen(buf));
}
_exit(1);
}
int
toint(double d)
{
return (int)(d + 1);
}
int
main(int argc, char *argv[])
{
struct sigaction sa;
int i;
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = sigfpe;
sa.sa_flags = SA_SIGINFO;
sigaction(SIGFPE, &sa, NULL);
if (toint(8.6) != 9)
exit(1);
i = toint(INT_MAX);
if (i != INT_MIN) {
printf("%d != %d\n", i, INT_MIN);
exit(1);
}
exit(0);
}
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