#include <fcall.h>

#include <u.h>
#include <libc.h>
#include <fcall.h>
#include <thread.h>
#include <9p.h>
#include "dat.h"
#include "fns.h"

#define SIZE 1024
#define DOTDOT (&fmt+1)

int chatty;

void
chat(char *fmt, ...)
{
char buf[SIZE], *out;
va_list arg;

if (!chatty)
return;

va_start(arg, fmt);
out = vseprint(buf, buf+sizeof(buf), fmt, arg);
va_end(arg);
write(2, buf, (long)(out-buf));
}

void
mchat(char *fmt, ...)
{
char buf[SIZE], *out;
va_list arg;

va_start(arg, fmt);
out = vseprint(buf, buf+sizeof(buf), fmt, arg);
va_end(arg);
write(2, buf, (long)(out-buf));
}
void
panic(char *fmt, ...)
{
char buf[SIZE];
va_list arg;
int n;

n = sprint(buf, "%s %d: panic ", argv0, getpid());
va_start(arg, fmt);
vseprint(buf+n, buf+sizeof(buf)-n, fmt, arg);
va_end(arg);
fprint(2, "%s: %r\n", buf);
exits("panic");
}