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annotate loadtools/lacrc32.c @ 686:752aef91cc95

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fc-loadtool batch mode extended to support single commands
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 11 Mar 2020 00:01:58 +0000
parents 5385aca4d813
children
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640
5385aca4d813 fc-loadtool module refactoring: CRC-32 functions split out
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This module implements the function for getting a CRC-32 computation
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3 * from loadagent.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <stdint.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <stdlib.h>
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12
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13 extern char target_response_line[];
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14
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15 crc32_on_target(area_base, area_len, retptr)
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16 u_long area_base, area_len, *retptr;
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17 {
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18 char arg1[10], arg2[10], *argv[4];
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19 int stat;
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20 char *strtoul_endp;
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21
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22 sprintf(arg1, "%lx", area_base);
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23 sprintf(arg2, "%lx", area_len);
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24 argv[0] = "crc32";
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25 argv[1] = arg1;
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26 argv[2] = arg2;
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27 argv[3] = 0;
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28 tpinterf_make_cmd(argv);
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29 if (tpinterf_send_cmd() < 0)
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30 return(-1);
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31 stat = tpinterf_capture_output_oneline(10); /* 10 s timeout */
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32 if (stat != 1) {
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33 errout: fprintf(stderr, "error: malformed response to crc32 command\n");
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34 return(-1);
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35 }
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36 if (strlen(target_response_line) != 8)
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37 goto errout;
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38 *retptr = strtoul(target_response_line, &strtoul_endp, 16);
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39 if (strtoul_endp != target_response_line + 8)
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40 goto errout;
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41 return(0);
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42 }