2.11BSD#431 - /usr/src/local/mtools/mattrib.c

   1: /*
   2:  * Change MSDOS file attribute flags
   3:  *
   4:  * Emmet P. Gray			US Army, HQ III Corps & Fort Hood
   5:  * ...!uunet!uiucuxc!fthood!egray	Attn: AFZF-DE-ENV
   6:  * fthood!egray@uxc.cso.uiuc.edu	Directorate of Engineering & Housing
   7:  * 					Environmental Management Office
   8:  * 					Fort Hood, TX 76544-5057
   9:  */
  10: 
  11: #include <stdio.h>
  12: #include "msdos.h"
  13: #include "patchlevel.h"
  14: 
  15: int fd = -1;                /* the file descriptor for the device */
  16: int dir_start;              /* starting sector for directory */
  17: int dir_len;                /* length of directory (in sectors) */
  18: int dir_entries;            /* number of directory entries */
  19: int clus_size;              /* cluster size (in sectors) */
  20: char *mcwd;             /* the Current Working Directory */
  21: int fat_error;              /* FAT error detected? */
  22: 
  23: #define ADD 1
  24: #define REMOVE  (-1)
  25: #define LEAVE   0
  26: 
  27: main(argc, argv)
  28: int argc;
  29: char *argv[];
  30: {
  31:     int entry, ismatch, oops, fargn, read_only, hidden, sys, archive;
  32:     int i, action;
  33:     char *filename, *newfile, *unix_name(), drive, get_drive();
  34:     char *get_path(), *pathname, *get_name(), *fix_mcwd(), last_drive;
  35:     void exit(), dir_write(), dir_flush(), disk_flush();
  36:     struct directory *dir, *dir_read();
  37: 
  38:     oops = 0;
  39:     fargn = -1;
  40:     archive = LEAVE;
  41:     hidden = LEAVE;
  42:     read_only = LEAVE;
  43:     sys = LEAVE;
  44:                     /* can't use getopt(3)... */
  45:     for (i = 1; i < argc; i++) {
  46:         switch (argv[i][0]) {
  47:             case '-':
  48:                 action = REMOVE;
  49:                 break;
  50:             case '+':
  51:                 action = ADD;
  52:                 break;
  53:             default:
  54:                 fargn = i;
  55:                 break;
  56:         }
  57:         if (fargn != -1)
  58:             break;
  59: 
  60:         switch (argv[i][1]) {
  61:             case 'a':
  62:             case 'A':
  63:                 archive = action;
  64:                 break;
  65:             case 'h':
  66:             case 'H':
  67:                 hidden = action;
  68:                 break;
  69:             case 'r':
  70:             case 'R':
  71:                 read_only = action;
  72:                 break;
  73:             case 's':
  74:             case 'S':
  75:                 sys = action;
  76:                 break;
  77:             default:
  78:                 oops++;
  79:                 break;
  80:         }
  81:         if (oops)
  82:             break;
  83:     }
  84:     if (argc < 3 || argv[fargn][0] == '\0' || oops) {
  85:         fprintf(stderr, "Mtools version %s, dated %s\n", VERSION, DATE);
  86:         fprintf(stderr, "Usage: %s [-a|+a] [-h|+h] [-r|+r] [-s|+s] msdosfile [msdosfiles...]\n", argv[0]);
  87:         exit(1);
  88:     }
  89:     last_drive = 'x';
  90:     mcwd = fix_mcwd();
  91: 
  92:     for (i = fargn; i < argc; i++) {
  93:         drive = get_drive(argv[i]);
  94:         if (last_drive != drive) {
  95:             if (init(drive, 2)) {
  96:                 fprintf(stderr, "%s: Cannot initialize '%c:'\n", argv[0], drive);
  97:                 continue;
  98:             }
  99:             last_drive = drive;
 100:         }
 101:         filename = get_name(argv[i]);
 102:         pathname = get_path(argv[i]);
 103:         if (subdir(drive, pathname))
 104:             continue;
 105: 
 106:                     /* see if exists and do it */
 107:         ismatch = 0;
 108:         for (entry = 0; entry < dir_entries; entry++) {
 109:             dir = dir_read(entry);
 110:                     /* if empty */
 111:             if (dir->name[0] == 0x0)
 112:                 break;
 113:                     /* if erased */
 114:             if (dir->name[0] == 0xe5)
 115:                 continue;
 116:                     /* if dir or volume label */
 117:             if ((dir->attr & 0x10) || (dir->attr & 0x08))
 118:                 continue;
 119: 
 120:             newfile = unix_name(dir->name, dir->ext);
 121: 
 122:                     /* do it... */
 123:             if (match(newfile, filename)) {
 124:                 if (archive == ADD)
 125:                     dir->attr |= 0x20;
 126:                 if (archive == REMOVE)
 127:                     dir->attr &= ~0x20;
 128:                 if (hidden == ADD)
 129:                     dir->attr |= 0x02;
 130:                 if (hidden == REMOVE)
 131:                     dir->attr &= ~0x02;
 132:                 if (read_only == ADD)
 133:                     dir->attr |= 0x01;
 134:                 if (read_only == REMOVE)
 135:                     dir->attr &= ~0x01;
 136:                 if (sys == ADD)
 137:                     dir->attr |= 0x04;
 138:                 if (sys == REMOVE)
 139:                     dir->attr &= ~0x04;
 140:                 dir_write(entry, dir);
 141:                 ismatch++;
 142:             }
 143:         }
 144:         if (!ismatch)
 145:             fprintf(stderr, "%s: File \"%s\" not found\n", argv[0], filename);
 146:     }
 147:     dir_flush();
 148:     disk_flush();
 149:     close(fd);
 150:     exit(0);
 151: }

Defined functions

Defined variables

Defined macros