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/*
* Copyright (c) International Business Machines Corp., 2006
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Oliver Lohmann
*
* Create boot-parameter/pdd data from an ASCII-text input file.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <getopt.h>
#include <unistd.h>
#include <errno.h>
#include <mtd/ubi-header.h>
#include "config.h"
#include "bootenv.h"
#include "error.h"
extern char *optarg;
extern int optind;
static char doc[] = "\nVersion: " PACKAGE_VERSION "\n\tBuilt on "
BUILD_CPU" "BUILD_OS" at "__DATE__" "__TIME__"\n"
"\n"
"mkbootenv - processes bootenv text files and convertes "
"them into a binary format.\n";
static const char copyright [] __attribute__((unused)) =
"Copyright (c) International Business Machines Corp., 2006";
static const char *optionsstr =
" -c, --copyright Print copyright informatoin.\n"
" -o, --output=<fname> Write the output data to <output> instead of\n"
" stdout.\n"
" -?, --help Give this help list\n"
" --usage Give a short usage message\n"
" -V, --version Print program version\n";
static const char *usage =
"Usage: mkbootenv [-c?V] [-o <output>] [--copyright] [--output=<output>]\n"
" [--help] [--usage] [--version] [bootenv-txt-file]\n";
struct option long_options[] = {
{ .name = "copyright", .has_arg = 0, .flag = NULL, .val = 'c' },
{ .name = "output", .has_arg = 1, .flag = NULL, .val = 'o' },
{ .name = "help", .has_arg = 0, .flag = NULL, .val = '?' },
{ .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 },
{ .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
{ NULL, 0, NULL, 0}
};
typedef struct myargs {
FILE* fp_in;
FILE* fp_out;
char *arg1;
char **options; /* [STRING...] */
} myargs;
static int
parse_opt(int argc, char **argv, myargs *args)
{
while (1) {
int key;
key = getopt_long(argc, argv, "co:?V", long_options, NULL);
if (key == -1)
break;
switch (key) {
case 'c':
fprintf(stderr, "%s\n", copyright);
exit(0);
break;
case 'o':
args->fp_out = fopen(optarg, "wb");
if ((args->fp_out) == NULL) {
fprintf(stderr,
"Cannot open file %s for output\n", optarg);
exit(1);
}
break;
case '?': /* help */
printf("%s", doc);
printf("%s", optionsstr);
printf("\nReport bugs to %s\n", PACKAGE_BUGREPORT);
exit(0);
break;
case 'V':
printf("%s\n", PACKAGE_VERSION);
exit(0);
break;
default:
printf("%s", usage);
exit(-1);
}
}
if (optind < argc) {
args->fp_in = fopen(argv[optind++], "rb");
if ((args->fp_in) == NULL) {
fprintf(stderr,
"Cannot open file %s for input\n", argv[optind]);
exit(1);
}
}
return 0;
}
int
main(int argc, char **argv) {
int rc = 0;
bootenv_t env;
myargs args = {
.fp_in = stdin,
.fp_out = stdout,
.arg1 = NULL,
.options = NULL,
};
parse_opt(argc, argv, &args);
rc = bootenv_create(&env);
if (rc != 0) {
err_msg("Cannot create bootenv handle.");
goto err;
}
rc = bootenv_read_txt(args.fp_in, env);
if (rc != 0) {
err_msg("Cannot read bootenv from input file.");
goto err;
}
rc = bootenv_write(args.fp_out, env);
if (rc != 0) {
err_msg("Cannot write bootenv to output file.");
goto err;
}
if (args.fp_in != stdin) {
fclose(args.fp_in);
}
if (args.fp_out != stdout) {
fclose(args.fp_out);
}
err:
bootenv_destroy(&env);
return rc;
}
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