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annotate rvinterf/asyncshell/oneshot.c @ 975:0d7cc054ef72

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rvinterf/lowlevel: updates for the new knowledge of TM predating ETM
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sun, 15 Nov 2015 04:26:10 +0000
parents bd873572ef2c
children 93f4fc26b204
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965
bd873572ef2c fc-shell: one-shot command mode implemented
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1 /*
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2 * This module implements the one-shot command mode of fc-shell.
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3 */
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4
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5 #include <stdio.h>
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6 #include <string.h>
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7 #include <strings.h>
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8 #include <stdlib.h>
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9
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10 extern int cmd_poweroff();
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11 extern int cmd_sp_oneshot();
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12 extern int cmd_tgtreset();
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13
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14 static struct cmdtab {
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15 char *cmd;
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16 int minargs;
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17 int maxargs;
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18 int (*func)();
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19 } cmdtab[] = {
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20 {"poweroff", 0, 0, cmd_poweroff},
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21 {"sp", 2, 2, cmd_sp_oneshot},
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22 {"tgtreset", 0, 0, cmd_tgtreset},
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23 {0, 0, 0, 0}
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24 };
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25
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26 oneshot_command(argc, argv)
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27 char **argv;
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28 {
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29 struct cmdtab *tp;
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30
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31 for (tp = cmdtab; tp->cmd; tp++)
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32 if (!strcmp(tp->cmd, argv[0]))
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33 break;
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34 if (!tp->func) {
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35 fprintf(stderr,
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36 "error: \"%s\" is not a valid one-shot command\n",
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37 argv[0]);
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38 exit(1);
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39 }
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40 if (argc - 1 > tp->maxargs) {
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41 fprintf(stderr, "%s: too many arguments\n", tp->cmd);
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42 exit(1);
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43 }
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44 if (argc - 1 < tp->minargs) {
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45 fprintf(stderr, "%s: too few arguments\n", tp->cmd);
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46 exit(1);
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47 }
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48 return tp->func(argc, argv);
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49 }