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annotate ffstools/tiffs-wrappers/tiffs-8m.c @ 913:1b8929cb7371

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doc/Host-tools-overview: document fc-vm2gsmx
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Dec 2022 21:36:37 +0000
parents 8e7f6cca385b
children
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8e7f6cca385b tiffs-8m wrapper utility written
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * tiffs-8m is a wrapper around tiffs similar to mokoffs: we pass the user's
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3 * command along, together with any options, but insert the 64x15 FFS
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4 * organization argument automatically, and translate -f into -o0x700000.
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5 */
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6
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <unistd.h>
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12
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13 extern char tiffs_prog_pathname[];
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14
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15 char *imgfile;
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16 char *aopt, *ropt;
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17 int fflag, Oflag;
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18 char **passon_argv;
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19 int passon_argc;
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20 int output_argc;
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21 char **output_argv;
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22
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23 main(argc, argv)
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24 char **argv;
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25 {
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26 extern int optind;
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27 extern char *optarg;
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28 int c;
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29 char **sp, **dp;
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30
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31 while ((c = getopt(argc, argv, "+a:fOr:")) != EOF)
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32 switch (c) {
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33 case 'a':
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34 aopt = optarg;
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35 continue;
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36 case 'f':
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37 fflag++;
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38 continue;
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39 case 'O':
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40 Oflag++;
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41 continue;
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42 case 'r':
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43 ropt = optarg;
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44 continue;
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45 default:
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46 usage: fprintf(stderr,
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47 "usage: %s [global-options] <imgfile> <op> ...\n",
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48 argv[0]);
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49 exit(1);
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50 }
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51 if (argc - optind < 2)
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52 goto usage;
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53 imgfile = argv[optind++];
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54 passon_argv = argv + optind;
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55 passon_argc = argc - optind;
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56
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57 output_argc = passon_argc + 3;
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58 if (fflag)
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59 output_argc++;
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60 if (Oflag)
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61 output_argc++;
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62 if (aopt)
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63 output_argc += 2;
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64 if (ropt)
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65 output_argc += 2;
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66 output_argv = malloc(sizeof(char *) * (output_argc + 1));
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67 if (!output_argv) {
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68 perror("malloc for tiffs argument list");
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69 exit(1);
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70 }
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71 dp = output_argv;
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72 *dp++ = "tiffs";
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73 if (fflag)
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74 *dp++ = "-o0x700000";
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75 if (Oflag)
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76 *dp++ = "-O";
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77 if (aopt) {
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78 *dp++ = "-a";
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79 *dp++ = aopt;
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80 }
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81 if (ropt) {
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82 *dp++ = "-r";
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83 *dp++ = ropt;
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84 }
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85 *dp++ = imgfile;
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86 *dp++ = "64x15";
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87 for (sp = passon_argv; *sp; sp++)
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88 *dp++ = *sp;
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89 *dp = 0;
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90 execvp(tiffs_prog_pathname, output_argv);
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91 perror(tiffs_prog_pathname);
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92 exit(1);
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93 }