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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 <argp.h>
#include <unistd.h>
#include <errno.h>
#include <mtd/ubi-header.h>
#include "config.h"
#include "bootenv.h"
#include "error.h"
const char *argp_program_version = PACKAGE_VERSION;
const char *argp_program_bug_address = PACKAGE_BUGREPORT;
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 struct argp_option options[] = {
{ .name = "copyright",
.key = 'c',
.arg = NULL,
.flags = 0,
.doc = "Print copyright information.",
.group = 1 },
{ .name = "output",
.key = 'o',
.arg = "<output>",
.flags = 0,
.doc = "Write the the output data to <output> instead of stdout.",
.group = 1 },
{ .name = NULL,
.key = 0,
.arg = NULL,
.flags = 0,
.doc = NULL,
.group = 0 },
};
typedef struct myargs {
FILE* fp_in;
FILE* fp_out;
char *arg1;
char **options; /* [STRING...] */
} myargs;
static error_t
parse_opt(int key, char *arg, struct argp_state *state)
{
int err = 0;
myargs *args = state->input;
switch (key) {
case 'c':
fprintf(stderr, "%s\n", copyright);
exit(0);
break;
case 'o':
args->fp_out = fopen(arg, "wb");
if ((args->fp_out) == NULL) {
fprintf(stderr,
"Cannot open file %s for output\n", arg);
exit(1);
}
break;
case ARGP_KEY_ARG:
args->fp_in = fopen(arg, "rb");
if ((args->fp_in) == NULL) {
fprintf(stderr,
"Cannot open file %s for input\n", arg);
exit(1);
}
args->arg1 = arg;
args->options = &state->argv[state->next];
state->next = state->argc;
break;
case ARGP_KEY_END:
if (err) {
fprintf(stderr, "\n");
argp_usage(state);
exit(1);
}
break;
default:
return(ARGP_ERR_UNKNOWN);
}
return 0;
}
static struct argp argp = {
.options = options,
.parser = parse_opt,
.args_doc = "[bootenv-txt-file]",
.doc = doc,
.children = NULL,
.help_filter = NULL,
.argp_domain = NULL,
};
int
main(int argc, char **argv) {
int rc = 0;
bootenv_t env;
myargs args = {
.fp_in = stdin,
.fp_out = stdout,
.arg1 = NULL,
.options = NULL,
};
argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, &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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