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89 lines
2.0 KiB
89 lines
2.0 KiB
/* |
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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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