/* * Change MSDOS file attribute flags * * 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? */#define ADD	1#define REMOVE	(-1)#define LEAVE	0main(argc, argv)int argc;char *argv[];{	int entry, ismatch, oops, fargn, read_only, hidden, sys, archive;	int i, action, got_one, missed_one;	char *filename, *newfile, *unix_name(), drive, get_drive();	char *get_path(), *pathname, *get_name(), *fix_mcwd(), last_drive;	void exit(), dir_write(), dir_flush(), disk_flush();	struct directory *dir, *dir_read();	oops = 0;	fargn = -1;	got_one = 0;	missed_one = 0;	archive = LEAVE;	hidden = LEAVE;	read_only = LEAVE;	sys = LEAVE;					/* can't use getopt(3)... */	for (i = 1; i < argc; i++) {		switch (argv[i][0]) {			case '-':				action = REMOVE;				break;			case '+':				action = ADD;				break;			default:				fargn = i;				break;		}		if (fargn != -1)			break;		switch (argv[i][1]) {			case 'a':			case 'A':				archive = action;				break;			case 'h':			case 'H':				hidden = action;				break;			case 'r':			case 'R':				read_only = action;				break;			case 's':			case 'S':				sys = action;				break;			default:				oops++;				break;		}		if (oops)			break;	}	if (argc < 3 || argv[fargn][0] == '\0' || oops) {		fprintf(stderr, "Mtools version %s, dated %s\n", VERSION, DATE);		fprintf(stderr, "Usage: %s [-a|+a] [-h|+h] [-r|+r] [-s|+s] msdosfile [msdosfiles...]\n", argv[0]);		exit(1);	}	last_drive = 'x';	mcwd = fix_mcwd();	for (i = fargn; i < argc; i++) {		drive = get_drive(argv[i]);		if (last_drive != drive) {			if (init(drive, 2)) {				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;		}					/* see if exists and do it */		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);					/* do it... */			if (match(newfile, filename)) {				if (archive == ADD)					dir->attr |= 0x20;				if (archive == REMOVE)					dir->attr &= ~0x20;				if (hidden == ADD)					dir->attr |= 0x02;				if (hidden == REMOVE)					dir->attr &= ~0x02;				if (read_only == ADD)					dir->attr |= 0x01;				if (read_only == REMOVE)					dir->attr &= ~0x01;				if (sys == ADD)					dir->attr |= 0x04;				if (sys == REMOVE)					dir->attr &= ~0x04;				dir_write(entry, dir);				ismatch++;				got_one++;			}		}		if (!ismatch) {			fprintf(stderr, "%s: File \"%s\" not found\n", argv[0], filename);			missed_one++;		}	}	dir_flush();	disk_flush();	close(fd);	if (got_one && missed_one)		exit(2);	if (missed_one)		exit(1);	exit(0);}