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- /*
- * Display contents of an MSDOS file
- *
- * Emmet P. Gray US Army, HQ III Corps & Fort Hood
- * ...!uunet!uiucuxc!fthood!egray Attn: AFZF-DE-ENV
- * fthood!egray@uxc.cso.uiuc.edu Directorate of Engineering & Housing
- * Environmental Management Office
- * Fort Hood, TX 76544-5057
- */
-
- #include <stdio.h>
- #include "msdos.h"
- #include "patchlevel.h"
-
- int fd = -1; /* the file descriptor for the device */
- int dir_start; /* starting sector for directory */
- int dir_len; /* length of directory (in sectors) */
- int dir_entries; /* number of directory entries */
- int clus_size; /* cluster size (in sectors) */
- char *mcwd; /* the Current Working Directory */
- int fat_error; /* FAT error detected? */
-
- main(argc, argv)
- int argc;
- char *argv[];
- {
- extern int optind;
- extern char *optarg;
- int i, ismatch, entry, c, oops, textmode, stripmode, got_one;
- int missed_one;
- unsigned int fat;
- long size;
- char *filename, *newfile, *get_name(), *unix_name(), *pathname;
- char *get_path(), drive, get_drive(), last_drive, *fix_mcwd();
- void exit();
- struct directory *dir, *dir_read();
-
- /* get command line options */
- oops = 0;
- stripmode = 0;
- textmode = 0;
- got_one = 0;
- missed_one = 0;
- while ((c = getopt(argc, argv, "st")) != EOF) {
- switch (c) {
- case 's':
- stripmode = 1;
- break;
- case 't':
- textmode = 1;
- break;
- default:
- oops = 1;
- break;
- }
- }
-
- if (oops || (argc - optind) < 1) {
- fprintf(stderr, "Mtools version %s, dated %s\n", VERSION, DATE);
- fprintf(stderr, "Usage: %s [-st] msdosfile [msdosfiles...]\n", argv[0]);
- exit(1);
- }
- last_drive = 'x';
- mcwd = fix_mcwd();
-
- for (i = optind; i < argc; i++) {
- drive = get_drive(argv[i]);
- if (drive != last_drive) {
- if (init(drive, 0)) {
- fprintf(stderr, "%s: Cannot initialize '%c:'\n", argv[0], drive);
- missed_one++;
- continue;
- }
- last_drive = drive;
- }
- filename = get_name(argv[i]);
- pathname = get_path(argv[i]);
- if (subdir(drive, pathname)) {
- missed_one++;
- continue;
- }
-
- ismatch = 0;
- for (entry = 0; entry < dir_entries; entry++) {
- dir = dir_read(entry);
- /* if empty */
- if (dir->name[0] == 0x0)
- break;
- /* if erased */
- if (dir->name[0] == 0xe5)
- continue;
- /* if dir or volume label */
- if ((dir->attr & 0x10) || (dir->attr & 0x08))
- continue;
-
- newfile = unix_name(dir->name, dir->ext);
-
- /* see it if matches the pattern */
- if (match(newfile, filename)) {
- fat = dir->start[1] * 0x100 + dir->start[0];
- size = dir->size[3] * 0x1000000L + dir->size[2] * 0x10000L + dir->size[1] * 0x100 + dir->size[0];
- if (file_read(stdout, fat, textmode, stripmode, size))
- break;
- ismatch = 1;
- got_one++;
- }
- }
- if (fat_error) {
- missed_one++;
- break;
- }
-
- if (!ismatch) {
- fprintf(stderr, "%s: File \"%s\" not found\n", argv[0], filename);
- missed_one++;
- }
- }
- close(fd);
- if (got_one && missed_one)
- exit(2);
- if (missed_one)
- exit(1);
- exit(0);
- }
-
- /*
- * stubs for read-only programs
- */
-
- void
- disk_flush()
- {
- extern int disk_dirty;
-
- disk_dirty = 0;
- return;
- }
-
- void
- dir_flush()
- {
- extern int dir_dirty;
-
- dir_dirty = 0;
- return;
- }
-