1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* 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.
*
* 1.2 Removed argp because we want to use uClibc.
* 1.3 Minor cleanup
*/
#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"
#define PROGRAM_VERSION "1.3"
static char doc[] = "\nVersion: " PROGRAM_VERSION "\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", PROGRAM_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;
}
|
