/* $Id: gwave-exec.c,v 1.1 2000/11/06 06:39:09 sgt Exp $
 *
 * this is a generalized version of scwmexec,
 * Copyright (C) 1997-2000, Maciej Stachowiak and Greg J. Badros
 *
 * 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 2, 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 software; see the file COPYING.GPL.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA
 *
 */


#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "xgexec.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Display *display;
char *dispName;

int
init_display()
{
	if (!(dispName = getenv("DISPLAY")))
		return 0;
	if (!(display = XOpenDisplay(dispName)))
		return 0;
	return 1;
}


void die(char *str)
{
	fputs(str,stderr);
	exit(1);
}

int
main(int argc, char **argv)
{
	Window w;
	char *result, *output, *error;

	if (argc != 2)
		die("Usage: xgexec EXPRESSION\n");
	if (!init_display())
		die("Could not connect to server. Check your DISPLAY environment variable.\n");

	w=xgexec_init(display);

	if (w==None)
		die("Unable to establish xgexec connection.\n");

	result = xgexec_exec_full(display,w,argv[1],&output,&error);

	fputs(output, stdout);
	if (strlen(error)!=0) {
		fputs(error, stderr);
	} else {
		fputs(result, stdout);
	}

	if (result) XFree(result);
	if (error) XFree(error);
	if (output) XFree(output);

	XCloseDisplay (display);

	return 0;
}