/* usage.c -- implements usage.h */

/* TODO: align exit return code */

#include "usage.h"

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

static void report( const char *prefix, const char *err, va_list params) {
	char msg[ 4096] ;

	vsnprintf( msg, sizeof msg, err, params) ;
	fprintf( stderr, "%s%s\n", prefix, msg) ;
}

void die( const char *err, ...) {
	va_list params ;

	va_start( params, err) ;
	report( "fatal: ", err, params) ;
	va_end( params) ;
	exit( 128) ;
}

/* end of usage.c */