/*
 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 */
#ifndef lint
static char rcsid[] = "$Header$";
#endif

#include <stdio.h>
#include <out.h>
#include "const.h"

static short	nerrors = 0;
static		diag();

stop()
{
	extern char	*outputname;
	extern int	exitstatus;

	if (nerrors) {
		unlink(outputname);
		exit(nerrors);
	}

	exit(exitstatus);
}

/* VARARGS1 */
fatal(format, a1, a2, a3, a4)
	char	*format;
{
	nerrors++;
	diag("fatal", format, a1, a2, a3, a4);
	stop();
}

/* VARARGS1 */
warning(format, a1, a2, a3, a4)
	char	*format;
{
	diag("warning", format, a1, a2, a3, a4);
}

/* VARARGS1 */
error(format, a1, a2, a3, a4)
	char	*format;
{
	nerrors++;
	diag("error", format, a1, a2, a3, a4);
}

/* VARARGS1 */
do_verbose(format, a1, a2, a3, a4)
	char	*format;
{
	diag((char *) 0, format, a1, a2, a3, a4);
}

static
diag(tail, format, a1, a2, a3, a4)
	char	*tail;
	char	*format;
{
	extern char	*progname, *archname, *modulname; 

	fprintf(stderr, "%s: ", progname);
	if (archname && modulname)
		fprintf(stderr, "%s(%s): ", archname, modulname);
	else if (archname)
		fprintf(stderr, "%s: ", archname);
	else if (modulname)
		fprintf(stderr, "%s: ", modulname);
	fprintf(stderr, format, a1, a2, a3, a4);
	if (tail) fprintf(stderr, " (%s)\n", tail);
	else putc('\n', stderr);
}