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annotate loadtools/ltdispatch.c @ 35:05af070c4b60

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loadtool: preparations for dump2bin and dump2srec
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 05 May 2013 02:24:56 +0000
parents dacf45e3d20f
children 65111e6eee9e
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1 /*
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2 * This module implements the command dispatch for fc-loadtool
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3 */
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4
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5 #include <ctype.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10
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11 extern int cmd_crc32();
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12 extern int cmd_exec();
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13 extern int cmd_exit();
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14 extern int loadtool_cmd_passthru();
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15
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16 static struct cmdtab {
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17 char *cmd;
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18 int minargs;
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19 int maxargs;
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20 int (*func)();
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21 } cmdtab[] = {
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22 {"crc32", 2, 2, cmd_crc32},
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23 {"dump", 2, 2, loadtool_cmd_passthru},
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24 {"exec", 1, 1, cmd_exec},
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25 {"exit", 0, 1, cmd_exit},
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26 {"quit", 0, 1, cmd_exit},
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27 {"r8", 1, 1, loadtool_cmd_passthru},
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28 {"r16", 1, 1, loadtool_cmd_passthru},
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29 {"r32", 1, 1, loadtool_cmd_passthru},
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30 {"w8", 2, 2, loadtool_cmd_passthru},
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31 {"w16", 2, 2, loadtool_cmd_passthru},
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32 {"w32", 2, 2, loadtool_cmd_passthru},
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33 {0, 0, 0, 0}
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34 };
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35
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36 loadtool_dispatch_cmd(cmd, is_script)
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37 char *cmd;
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38 {
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39 char *argv[10];
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40 char *cp, **ap;
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41 struct cmdtab *tp;
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42
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43 for (cp = cmd; isspace(*cp); cp++)
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44 ;
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45 if (!*cp || *cp == '#')
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46 return(0);
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47 if (is_script)
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48 printf("Script command: %s\n", cp);
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49 argv[0] = cp;
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50 while (*cp && !isspace(*cp))
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51 cp++;
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52 if (*cp)
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53 *cp++ = '\0';
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54 for (tp = cmdtab; tp->cmd; tp++)
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55 if (!strcmp(tp->cmd, argv[0]))
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56 break;
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57 if (!tp->func) {
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58 fprintf(stderr, "error: no such command\n");
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59 return(-1);
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60 }
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61 for (ap = argv + 1; ; ) {
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62 while (isspace(*cp))
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63 cp++;
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64 if (!*cp || *cp == '#')
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65 break;
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66 if (ap - argv - 1 > tp->maxargs) {
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67 fprintf(stderr, "error: too many arguments\n");
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68 return(-1);
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69 }
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70 *ap++ = cp;
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71 while (*cp && !isspace(*cp))
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72 cp++;
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73 if (*cp)
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74 *cp++ = '\0';
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75 }
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76 if (ap - argv - 1 < tp->minargs) {
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77 fprintf(stderr, "error: too few arguments\n");
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78 return(-1);
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79 }
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80 *ap = 0;
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81 return tp->func(ap - argv, argv);
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82 }