1 /* Copyright 1986-1992 Emmet P. Gray.
2 * Copyright 1996,1997,2000-2002,2009 Alain Knaff.
3 * This file is part of mtools.
4 *
5 * Mtools is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * Mtools is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with Mtools. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * mcd.c: Change MSDOS directories
19 */
20
21 #include "sysincludes.h"
22 #include "msdos.h"
23 #include "mainloop.h"
24 #include "mtools.h"
25
26
mcd_callback(direntry_t * entry,MainParam_t * mp UNUSEDP)27 static int mcd_callback(direntry_t *entry, MainParam_t *mp UNUSEDP)
28 {
29 FILE *fp;
30
31 if (!(fp = open_mcwd("w"))){
32 fprintf(stderr,"mcd: Can't open mcwd .file for writing\n");
33 return ERROR_ONE;
34 }
35
36 fprintPwd(fp, entry,0);
37 fprintf(fp, "\n");
38 fclose(fp);
39 return GOT_ONE | STOP_NOW;
40 }
41
42 static void usage(int ret) NORETURN;
usage(int ret)43 static void usage(int ret)
44 {
45 fprintf(stderr, "Mtools version %s, dated %s\n",
46 mversion, mdate);
47 fprintf(stderr, "Usage: %s: [-V] [-i image] msdosdirectory\n",
48 progname);
49 exit(ret);
50 }
51
52
53 void mcd(int argc, char **argv, int type UNUSEDP) NORETURN;
mcd(int argc,char ** argv,int type UNUSEDP)54 void mcd(int argc, char **argv, int type UNUSEDP)
55 {
56 struct MainParam_t mp;
57 int c;
58
59 while ((c = getopt(argc, argv, "i:")) != EOF) {
60 switch(c) {
61 case 'i':
62 set_cmd_line_image(optarg);
63 break;
64 case 'h':
65 usage(0);
66 default:
67 usage(1);
68 }
69 }
70
71 if (argc > optind + 1)
72 usage(1);
73
74 init_mp(&mp);
75 mp.lookupflags = ACCEPT_DIR | NO_DOTS;
76 mp.dirCallback = mcd_callback;
77 if (argc == 1) {
78 printf("%s\n", mp.mcwd);
79 exit(0);
80 } else
81 exit(main_loop(&mp, argv + optind, 1));
82 }
83