This patch adds the crc32 command to be build as host and optionally as target tool. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
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* bareboxcrc32.c - generate crc32 checksum in little endian
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*
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* Copyright (c) 2013 Michael Grzeschik <mgr@pengutronix.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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 version 2
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* as published by the Free Software Foundation.
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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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*/
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#include <stdio.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 <stdint.h>
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#include <limits.h>
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#include <errno.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <libgen.h>
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#include "compiler.h"
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#define debug(...)
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#include "../crypto/crc32.c"
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int main(int argc, char *argv[])
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{
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loff_t start = 0, size = ~0;
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ulong crc = 0, total = 0;
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char *filename = NULL;
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int i;
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if (!filename && argc < 2) {
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printf("usage: %s filename\n", argv[0]);
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exit(1);
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}
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for (i = 1; i < argc; i++) {
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filename = argv[i];
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if (file_crc(filename, start, size, &crc, &total) < 0)
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exit(1);
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printf("%08lx\t%s\n", crc, filename);
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}
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exit(0);
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}
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