/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * 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 of * the License, 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 program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA *//* * Command line user interface to firmware (=U-Boot) environment. * * Implements: *	fw_printenv [ name ... ] *		- prints the values of the environment variables *		  "name", or the whole environment if no names are *		  specified *	fw_setenv name [ value ... ] *		- If a name without any values is given, the variable *		  with this name is deleted from the environment; *		  otherwise, all "value" arguments are concatenated, *		  separated by sinlge blank characters, and the *		  resulting string is assigned to the environment *		  variable "name" */#include <stdio.h>#include <string.h>#include <stdlib.h>#include "fw_env.h"#define	CMD_PRINTENV	"fw_printenv"#define CMD_SETENV	"fw_setenv"intmain(int argc, char *argv[]){	char *p;	char *cmdname = *argv;	if ((p = strrchr (cmdname, '/')) != NULL) {		cmdname = p + 1;	}	if (strcmp(cmdname, CMD_PRINTENV) == 0) {			fw_printenv (argc, argv);			return (EXIT_SUCCESS);	} else if (strcmp(cmdname, CMD_SETENV) == 0) {			if (fw_setenv (argc, argv) != 0)				return (EXIT_FAILURE);			return (EXIT_SUCCESS);	}	fprintf (stderr,		"Identity crisis - may be called as `" CMD_PRINTENV		"' or as `" CMD_SETENV "' but not as `%s'\n",		cmdname);	return (EXIT_FAILURE);}