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/*
* ubootenv.c - generate or read a U-Boot environment archive
*
* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* 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 version 2
* as published by the Free Software Foundation.
*
* 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
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdint.h>
#include <limits.h>
#include <errno.h>
#include <dirent.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
void *xmalloc(size_t size)
{
void *p = NULL;
if (!(p = malloc(size))) {
printf("ERROR: out of memory\n");
exit(1);
}
return p;
}
#include "../include/envfs.h"
#include "../commands/environment.c"
void usage(char *prgname)
{
printf( "Usage : %s [OPTION] DIRECTORY FILE\n"
"Load an u-boot environment sector into a directory or\n"
"save a directory into an u-boot environment sector\n"
"\n"
"options:\n"
" -s save (directory -> environment sector)\n"
" -l load (environment sector -> directory)\n",
prgname);
}
int main(int argc, char *argv[])
{
int opt;
int save = 0, load = 0;
char *filename = NULL, *dirname = NULL;
while((opt = getopt(argc, argv, "sl")) != -1) {
switch (opt) {
case 's':
save = 1;
break;
case 'l':
load = 1;
break;
}
}
if (optind + 1 >= argc) {
usage(argv[0]);
exit(1);
}
dirname = argv[optind];
filename = argv[optind + 1];
if ((!load && !save) || (load && save) || !filename || !dirname) {
usage(argv[0]);
exit(1);
}
if (load) {
printf("loading env from file %s to %s\n", filename, dirname);
envfs_load(filename, dirname);
}
if (save) {
printf("saving contents of %s to file %s\n", dirname, filename);
envfs_save(filename, dirname);
}
exit(0);
}
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