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90 lines
2.0 KiB
90 lines
2.0 KiB
13 years ago
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/*
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* Copyright 2010-2011 Christian Lamparter <chunkeey@googlemail.com>
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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 as published by
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* the Free Software Foundation version 2 of the License.
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <error.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "carlfw.h"
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#include "compiler.h"
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static void checksum_help(void)
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{
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fprintf(stderr, "Usage:\n");
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fprintf(stderr, "\tchecksum FW-FILE\n");
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fprintf(stderr, "\nDescription:\n");
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fprintf(stderr, "\tThis simple utility adds/updates various "
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"checksums.\n");
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fprintf(stderr, "\nParameteres:\n");
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fprintf(stderr, "\t 'FW-FILE' = firmware name\n");
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fprintf(stderr, "\n");
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}
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int main(int argc, char *args[])
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{
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struct carlfw *fw = NULL;
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int err = 0;
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if (argc != 2) {
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err = -EINVAL;
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goto out;
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}
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fw = carlfw_load(args[1]);
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if (IS_ERR_OR_NULL(fw)) {
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err = PTR_ERR(fw);
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fprintf(stderr, "Failed to open file \"%s\" (%d).\n",
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args[1], err);
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goto out;
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}
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/*
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* No magic here, The checksum descriptor is added/update
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* automatically in a subroutine of carlfw_store().
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*
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* This tools serves as a skeleton/example.
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*/
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err = carlfw_store(fw);
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if (err) {
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fprintf(stderr, "Failed to apply checksum (%d).\n", err);
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goto out;
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}
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out:
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switch (err) {
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case 0:
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fprintf(stdout, "checksum applied.\n");
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break;
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case -EINVAL:
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checksum_help();
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break;
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default:
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break;
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}
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carlfw_release(fw);
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return err ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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