FreeCalypso > hg > freecalypso-tools
annotate loadtools/bpdispatch.c @ 894:7ade15d4e0cb
fc-buzplay: BU refactoring, first step
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 03 Apr 2022 08:11:05 +0000 |
parents | 85091e14be9c |
children | 850b4f066d75 |
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1 /* |
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2 * This module implements the command dispatch for fc-buzplay |
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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_baud(); |
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12 extern int cmd_exit(); |
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13 extern int cmd_play_bu(); |
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14 extern int cmd_play_pwt(); |
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15 extern int loadtool_cmd_passthru(); |
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16 |
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17 static struct cmdtab { |
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18 char *cmd; |
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19 int minargs; |
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20 int maxargs; |
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21 int (*func)(); |
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22 } cmdtab[] = { |
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23 {"abbr", 2, 2, loadtool_cmd_passthru}, |
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24 {"abbw", 3, 3, loadtool_cmd_passthru}, |
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25 {"baud", 0, 1, cmd_baud}, |
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26 {"buzlev", 0, 1, loadtool_cmd_passthru}, |
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27 {"exit", 0, 1, cmd_exit}, |
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28 {"play", 1, 1, cmd_play_bu}, |
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29 {"play-bu", 1, 1, cmd_play_bu}, |
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30 {"play-pwt", 1, 2, cmd_play_pwt}, |
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31 {"playt", 1, 2, cmd_play_pwt}, |
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32 {"pwt", 1, 1, loadtool_cmd_passthru}, |
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33 {"quit", 0, 1, cmd_exit}, |
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34 {"r8", 1, 1, loadtool_cmd_passthru}, |
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35 {"r16", 1, 1, loadtool_cmd_passthru}, |
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36 {"r32", 1, 1, loadtool_cmd_passthru}, |
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37 {"w8", 2, 2, loadtool_cmd_passthru}, |
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38 {"w16", 2, 2, loadtool_cmd_passthru}, |
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39 {"w32", 2, 2, loadtool_cmd_passthru}, |
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40 {0, 0, 0, 0} |
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41 }; |
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42 |
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43 buzplay_dispatch_cmd(cmd) |
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44 char *cmd; |
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45 { |
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46 char *argv[10]; |
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47 char *cp, **ap; |
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48 struct cmdtab *tp; |
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49 |
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50 for (cp = cmd; isspace(*cp); cp++) |
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51 ; |
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52 if (!*cp || *cp == '#') |
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53 return(0); |
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54 argv[0] = cp; |
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55 while (*cp && !isspace(*cp)) |
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56 cp++; |
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57 if (*cp) |
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58 *cp++ = '\0'; |
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59 for (tp = cmdtab; tp->cmd; tp++) |
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60 if (!strcmp(tp->cmd, argv[0])) |
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61 break; |
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62 if (!tp->func) { |
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63 fprintf(stderr, "error: no such command\n"); |
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64 return(-1); |
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65 } |
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66 for (ap = argv + 1; ; ) { |
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67 while (isspace(*cp)) |
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68 cp++; |
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69 if (!*cp || *cp == '#') |
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70 break; |
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71 if (ap - argv - 1 >= tp->maxargs) { |
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72 fprintf(stderr, "error: too many arguments\n"); |
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73 return(-1); |
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74 } |
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75 *ap++ = cp; |
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76 while (*cp && !isspace(*cp)) |
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77 cp++; |
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78 if (*cp) |
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79 *cp++ = '\0'; |
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80 } |
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81 if (ap - argv - 1 < tp->minargs) { |
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82 fprintf(stderr, "error: too few arguments\n"); |
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83 return(-1); |
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84 } |
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85 *ap = 0; |
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86 return tp->func(ap - argv, argv); |
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87 } |