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annotate ffstools/tiffs-wrappers/pirffs.c @ 335:40b8557b9d04

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rvinterf suite: libasync factored out of fc-tmsh
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 22 Apr 2014 06:51:09 +0000
parents 872d92404b6a
children
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872d92404b6a ffstools: pirffs wrapper
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1 /*
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2 * pirffs is a wrapper around tiffs: we pass the user's command along,
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3 * together with any options, but insert the 256x18 FFS organization argument
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4 * automatically.
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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 char **passon_argv;
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18 int passon_argc;
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19 int output_argc;
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20 char **output_argv;
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21
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22 main(argc, argv)
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23 char **argv;
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24 {
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25 extern int optind;
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26 extern char *optarg;
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27 int c;
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28 char **sp, **dp;
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29
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30 while ((c = getopt(argc, argv, "+a:r:")) != EOF)
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31 switch (c) {
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32 case 'a':
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33 aopt = optarg;
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34 continue;
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35 case 'r':
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36 ropt = optarg;
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37 continue;
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38 default:
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39 usage: fprintf(stderr,
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40 "usage: %s [global-options] <imgfile> <op> ...\n",
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41 argv[0]);
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42 exit(1);
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43 }
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44 if (argc - optind < 2)
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45 goto usage;
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46 imgfile = argv[optind++];
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47 passon_argv = argv + optind;
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48 passon_argc = argc - optind;
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49
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50 output_argc = passon_argc + 3;
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51 if (aopt)
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52 output_argc += 2;
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53 if (ropt)
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54 output_argc += 2;
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55 output_argv = malloc(sizeof(char *) * (output_argc + 1));
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56 if (!output_argv) {
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57 perror("malloc for tiffs argument list");
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58 exit(1);
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59 }
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60 dp = output_argv;
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61 *dp++ = "tiffs";
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62 if (aopt) {
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63 *dp++ = "-a";
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64 *dp++ = aopt;
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65 }
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66 if (ropt) {
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67 *dp++ = "-r";
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68 *dp++ = ropt;
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69 }
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70 *dp++ = imgfile;
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71 *dp++ = "256x18";
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72 for (sp = passon_argv; *sp; sp++)
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73 *dp++ = *sp;
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74 *dp = 0;
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75 execvp(tiffs_prog_pathname, output_argv);
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76 perror(tiffs_prog_pathname);
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77 exit(1);
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78 }