grub/util/bin2h.c

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/*
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* Copyright (C) 2008,2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#define _GNU_SOURCE 1
#include <getopt.h>
#include "progname.h"
static struct option options[] =
{
{"help", no_argument, 0, 'h' },
{"version", no_argument, 0, 'V' },
{0, 0, 0, 0 }
};
static void __attribute__ ((noreturn))
usage (int status)
{
if (status)
fprintf (stderr,
"Try ``%s --help'' for more information.\n", program_name);
else
printf ("\
Usage: %s [OPTIONS] SYMBOL-NAME\n\
\n\
Convert a binary file to a C header.\n\
\n\
-h, --help display this message and exit\n\
-V, --version print version information and exit\n\
\n\
Report bugs to <%s>.\n\
", program_name, PACKAGE_BUGREPORT);
exit (status);
}
int
main (int argc, char *argv[])
{
int b, i;
char *sym;
set_program_name (argv[0]);
/* Check for options. */
while (1)
{
int c = getopt_long (argc, argv, "snm:r:hVv", options, 0);
if (c == -1)
break;
else
switch (c)
{
case 'h':
usage (0);
break;
case 'V':
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
return 0;
default:
usage (1);
break;
}
}
if (optind >= argc)
usage (1);
if (optind + 1 != argc)
usage (1);
sym = argv[optind];
b = getchar ();
if (b == EOF)
goto abort;
printf ("/* THIS CHUNK OF BYTES IS AUTOMATICALLY GENERATED */\n"
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"unsigned char %s[] =\n{\n", sym);
while (1)
{
printf ("0x%02x", b);
b = getchar ();
if (b == EOF)
goto end;
for (i = 0; i < 16 - 1; i++)
{
printf (", 0x%02x", b);
b = getchar ();
if (b == EOF)
goto end;
}
printf (",\n");
}
end:
printf ("\n};\n");
abort:
exit (0);
}