| [9] | 1 | /* Test program for doctoring the fat */
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| 2 |
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| 3 |
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| 4 | /*
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| 5 | * mcopy.c
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| 6 | * Copy an MSDOS files to and from Unix
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| 7 | *
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| 8 | */
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| 9 |
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| 10 |
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| 11 | #define LOWERCASE
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| 12 |
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| 13 | #include "sysincludes.h"
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| 14 | #include "msdos.h"
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| 15 | #include "mtools.h"
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| 16 | #include "vfat.h"
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| 17 | #include "mainloop.h"
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| 18 | #include "plain_io.h"
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| 19 | #include "nameclash.h"
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| 20 | #include "file.h"
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| 21 | #include "fs.h"
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| 22 | #include "fsP.h"
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| 23 |
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| 24 | typedef struct Arg_t {
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| 25 | char *target;
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| 26 | MainParam_t mp;
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| 27 | ClashHandling_t ch;
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| 28 | Stream_t *sourcefile;
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| 29 | unsigned long fat;
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| 30 | int markbad;
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| 31 | int setsize;
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| 32 | unsigned long size;
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| 33 | Fs_t *Fs;
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| 34 | } Arg_t;
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| 35 |
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| 36 | static int dos_doctorfat(direntry_t *entry, MainParam_t *mp)
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| 37 | {
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| 38 | Fs_t *Fs = getFs(mp->File);
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| 39 | Arg_t *arg=(Arg_t *) mp->arg;
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| 40 |
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| 41 | if(!arg->markbad && entry->entry != -3) {
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| 42 | /* if not root directory, change it */
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| 43 | set_word(entry->dir.start, arg->fat & 0xffff);
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| 44 | set_word(entry->dir.startHi, arg->fat >> 16);
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| 45 | if(arg->setsize)
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| 46 | set_dword(entry->dir.size, arg->size);
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| 47 | dir_write(entry);
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| 48 | }
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| 49 | arg->Fs = Fs;
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| 50 | return GOT_ONE;
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| 51 | }
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| 52 |
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| 53 | static int unix_doctorfat(MainParam_t *mp)
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| 54 | {
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| 55 | fprintf(stderr,"File does not reside on a Dos fs\n");
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| 56 | return ERROR_ONE;
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| 57 | }
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| 58 |
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| 59 |
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| 60 | static void usage(void)
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| 61 | {
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| 62 | fprintf(stderr,
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| 63 | "Mtools version %s, dated %s\n", mversion, mdate);
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| 64 | fprintf(stderr,
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| 65 | "Usage: %s [-b] [-o offset] [-s size] file fat\n", progname);
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| 66 | exit(1);
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| 67 | }
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| 68 |
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| 69 | void mdoctorfat(int argc, char **argv, int mtype)
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| 70 | {
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| 71 | Arg_t arg;
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| 72 | int c, ret;
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| 73 | long address, begin, end;
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| 74 | char *number, *eptr;
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| 75 | int i, j;
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| 76 | long offset;
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| 77 |
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| 78 | /* get command line options */
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| 79 |
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| 80 | init_clash_handling(& arg.ch);
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| 81 |
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| 82 | offset = 0;
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| 83 |
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| 84 | arg.markbad = 0;
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| 85 | arg.setsize = 0;
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| 86 |
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| 87 | /* get command line options */
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| 88 | while ((c = getopt(argc, argv, "bo:s:")) != EOF) {
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| 89 | switch (c) {
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| 90 | case 'b':
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| 91 | arg.markbad = 1;
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| 92 | break;
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| 93 | case 'o':
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| 94 | offset = strtoul(optarg,0,0);
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| 95 | break;
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| 96 | case 's':
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| 97 | arg.setsize=1;
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| 98 | arg.size = strtoul(optarg,0,0);
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| 99 | break;
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| 100 | case '?':
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| 101 | usage();
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| 102 | break;
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| 103 | }
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| 104 | }
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| 105 |
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| 106 | if (argc - optind < 2)
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| 107 | usage();
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| 108 |
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| 109 |
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| 110 | /* only 1 file to copy... */
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| 111 | init_mp(&arg.mp);
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| 112 | arg.mp.arg = (void *) &arg;
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| 113 |
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| 114 | arg.mp.callback = dos_doctorfat;
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| 115 | arg.mp.unixcallback = unix_doctorfat;
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| 116 |
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| 117 | arg.mp.lookupflags = ACCEPT_PLAIN | ACCEPT_DIR | DO_OPEN;
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| 118 | arg.mp.openflags = O_RDWR;
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| 119 | arg.fat = strtoul(argv[optind+1], 0, 0) + offset;
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| 120 | ret=main_loop(&arg.mp, argv + optind, 1);
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| 121 | if(ret)
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| 122 | exit(ret);
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| 123 | address = 0;
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| 124 | for(i=optind+1; i < argc; i++) {
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| 125 | number = argv[i];
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| 126 | if (*number == '<') {
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| 127 | number++;
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| 128 | }
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| 129 | begin = strtoul(number, &eptr, 0);
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| 130 | if (eptr && *eptr == '-') {
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| 131 | number = eptr+1;
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| 132 | end = strtoul(number, &eptr, 0);
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| 133 | } else {
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| 134 | end = begin;
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| 135 | }
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| 136 | if (eptr == number) {
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| 137 | fprintf(stderr, "Not a number: %s\n", number);
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| 138 | exit(-1);
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| 139 | }
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| 140 |
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| 141 | if (eptr && *eptr == '>') {
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| 142 | eptr++;
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| 143 | }
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| 144 | if (eptr && *eptr) {
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| 145 | fprintf(stderr, "Not a number: %s\n", eptr);
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| 146 | exit(-1);
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| 147 | }
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| 148 |
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| 149 | for (j=begin; j <= end; j++) {
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| 150 | if(arg.markbad) {
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| 151 | arg.Fs->fat_encode(arg.Fs, j+offset, arg.Fs->last_fat ^ 6 ^ 8);
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| 152 | } else {
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| 153 | if(address) {
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| 154 | arg.Fs->fat_encode(arg.Fs, address, j+offset);
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| 155 | }
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| 156 | address = j+offset;
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| 157 | }
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| 158 | }
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| 159 | }
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| 160 |
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| 161 | if (address && !arg.markbad) {
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| 162 | arg.Fs->fat_encode(arg.Fs, address, arg.Fs->end_fat);
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| 163 | }
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| 164 |
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| 165 | exit(ret);
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| 166 | }
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