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1 | pmbaty | 1 | /* |
2 | * This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>. |
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3 | * It is copyright by its individual contributors, as recorded in the |
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4 | * project's Git history. See COPYING.txt at the top level for license |
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5 | * terms and a link to the Git history. |
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6 | */ |
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7 | /* |
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8 | * Written 1999 Jan 29 by Josh Cogliati |
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9 | * Modified by Bradley Bell, 2002, 2003 |
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10 | * This program is licensed under the terms of the GPL, version 2 or later |
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11 | */ |
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12 | |||
13 | #ifdef HAVE_CONFIG_H |
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14 | #include <conf.h> |
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15 | #endif |
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16 | |||
17 | #include <stdio.h> |
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18 | #include <stdlib.h> |
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19 | #include <string.h> |
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20 | #include <sys/types.h> |
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21 | #include <sys/stat.h> |
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22 | #include <fcntl.h> |
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23 | #include <dirent.h> |
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24 | |||
25 | #define MAX_FILES 256 |
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26 | |||
27 | #define SWAPINT(x) (((x)<<24) | (((unsigned)(x)) >> 24) | (((x) &0x0000ff00) << 8) | (((x) & 0x00ff0000) >> 8)) |
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28 | |||
29 | int |
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30 | main(int argc, char *argv[]) |
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31 | { |
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32 | FILE *mvlfile, *readfile; |
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33 | DIR *dp; |
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34 | struct dirent *ep; |
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35 | int i, nfiles = 0, len[MAX_FILES], tmp; |
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36 | char filename[MAX_FILES][13]; |
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37 | char *buf; |
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38 | struct stat statbuf; |
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39 | |||
40 | if (argc != 2) { |
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41 | printf("Usage: mvlcreate mvlfile\n" |
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42 | "creates mvlfile using all the files in the current directory\n"); |
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43 | exit(0); |
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44 | } |
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45 | |||
46 | dp = opendir("./"); |
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47 | if (dp != NULL) { |
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48 | while ((ep = readdir(dp))) { |
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49 | if (strlen(ep->d_name) > 12) { |
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50 | fprintf(stderr, "error: filename %s too long! (12 chars max!)\n", ep->d_name); |
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51 | return 1; |
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52 | } |
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53 | memset(filename[nfiles], 0, 13); |
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54 | strcpy(filename[nfiles], ep->d_name); |
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55 | stat(filename[nfiles], &statbuf); |
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56 | if(! S_ISDIR(statbuf.st_mode)) { |
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57 | len[nfiles] = (int)statbuf.st_size; |
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58 | printf("Filename: %s \tLength: %i\n", filename[nfiles], len[nfiles]); |
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59 | nfiles++; |
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60 | } |
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61 | } |
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62 | } |
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63 | closedir(dp); |
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64 | |||
65 | printf("Creating: %s\n", argv[1]); |
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66 | mvlfile = fopen(argv[1], "wb"); |
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67 | buf = (char *)malloc(4); |
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68 | strncpy(buf, "DMVL", 4); |
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69 | fwrite(buf, 4, 1, mvlfile); |
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70 | free(buf); |
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71 | |||
72 | tmp = nfiles; |
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73 | #ifdef WORDS_BIGENDIAN |
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74 | tmp = SWAPINT(tmp); |
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75 | #endif |
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76 | fwrite(&tmp, 4, 1, mvlfile); |
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77 | |||
78 | for (i = 0; i < nfiles; i++) { |
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79 | fwrite(filename[i], 13, 1, mvlfile); |
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80 | tmp = len[i]; |
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81 | #ifdef WORDS_BIGENDIAN |
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82 | tmp = SWAPINT(tmp); |
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83 | #endif |
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84 | fwrite(&tmp, 4, 1, mvlfile); |
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85 | } |
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86 | |||
87 | for (i = 0; i < nfiles; i++) { |
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88 | readfile = fopen(filename[i], "rb"); |
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89 | buf = (char *)malloc(len[i]); |
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90 | if (buf == NULL) { |
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91 | printf("Unable to allocate memory\n"); |
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92 | } else { |
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93 | fread(buf, len[i], 1, readfile); |
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94 | fwrite(buf, len[i], 1, mvlfile); |
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95 | free(buf); |
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96 | } |
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97 | fclose(readfile); |
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98 | } |
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99 | |||
100 | fclose(mvlfile); |
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101 | |||
102 | return 0; |
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103 | } |