2007-07-05 16:02:19 +00:00
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/*
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* ubootenv.c - generate or read a U-Boot environment archive
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*
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* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2007-07-05 16:01:52 +00:00
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <limits.h>
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#include <errno.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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2007-07-05 16:01:52 +00:00
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void *xmalloc(size_t size)
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{
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void *p = NULL;
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if (!(p = malloc(size))) {
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printf("ERROR: out of memory\n");
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exit(1);
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}
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return p;
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}
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2007-07-05 16:01:52 +00:00
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#include "../include/envfs.h"
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2007-07-05 16:02:13 +00:00
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#include "../commands/environment.c"
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2007-07-05 16:01:52 +00:00
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void usage(char *prgname)
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{
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printf( "Usage : %s [OPTION] DIRECTORY FILE\n"
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"Load an u-boot environment sector into a directory or\n"
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"save a directory into an u-boot environment sector\n"
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"\n"
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"options:\n"
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" -s save (directory -> environment sector)\n"
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" -l load (environment sector -> directory)\n",
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prgname);
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}
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int main(int argc, char *argv[])
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{
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int opt;
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int save = 0, load = 0;
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char *filename = NULL, *dirname = NULL;
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while((opt = getopt(argc, argv, "sl")) != -1) {
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switch (opt) {
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case 's':
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save = 1;
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break;
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case 'l':
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load = 1;
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break;
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}
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}
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if (optind + 1 >= argc) {
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usage(argv[0]);
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exit(1);
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}
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dirname = argv[optind];
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filename = argv[optind + 1];
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if ((!load && !save) || (load && save) || !filename || !dirname) {
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usage(argv[0]);
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exit(1);
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}
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if (load) {
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printf("loading env from file %s to %s\n", filename, dirname);
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envfs_load(filename, dirname);
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}
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if (save) {
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printf("saving contents of %s to file %s\n", dirname, filename);
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envfs_save(filename, dirname);
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}
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exit(0);
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}
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