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1 /*  Copyright 1997,2000-2002,2009,2011 Alain Knaff.
2  *  This file is part of mtools.
3  *
4  *  Mtools is free software: you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation, either version 3 of the License, or
7  *  (at your option) any later version.
8  *
9  *  Mtools is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with Mtools.  If not, see <http://www.gnu.org/licenses/>.
16  *
17  * mcopy.c
18  * Copy an MSDOS files to and from Unix
19  *
20  */
21 
22 
23 #include "sysincludes.h"
24 #include "msdos.h"
25 #include "mtools.h"
26 #include "vfat.h"
27 #include "mainloop.h"
28 #include "plain_io.h"
29 #include "nameclash.h"
30 #include "file.h"
31 #include "fs.h"
32 
33 typedef struct Arg_t {
34 	MainParam_t mp;
35 	off_t offset;
36 } Arg_t;
37 
dos_showfat(direntry_t * entry,MainParam_t * mp)38 static int dos_showfat(direntry_t *entry, MainParam_t *mp)
39 {
40 	Stream_t *File=mp->File;
41 	Arg_t *arg = (Arg_t *) mp->arg;
42 	fprintPwd(stdout, entry,0);
43 	putchar(' ');
44 	if(arg->offset == -1) {
45 		printFat(File);
46 	} else {
47 		printFatWithOffset(File, arg->offset);
48 	}
49 	printf("\n");
50 	return GOT_ONE;
51 }
52 
unix_showfat(MainParam_t * mp UNUSEDP)53 static int unix_showfat(MainParam_t *mp UNUSEDP)
54 {
55 	fprintf(stderr,"File does not reside on a Dos fs\n");
56 	return ERROR_ONE;
57 }
58 
59 
60 static void usage(int ret) NORETURN;
usage(int ret)61 static void usage(int ret)
62 {
63 	fprintf(stderr,
64 		"Mtools version %s, dated %s\n", mversion, mdate);
65 	fprintf(stderr,
66 		"Usage: %s files\n", progname);
67 	exit(ret);
68 }
69 
70 void mshowfat(int argc, char **argv, int mtype UNUSEDP) NORETURN;
mshowfat(int argc,char ** argv,int mtype UNUSEDP)71 void mshowfat(int argc, char **argv, int mtype UNUSEDP)
72 {
73 	Arg_t arg;
74 	int c, ret;
75 
76 	/* get command line options */
77 	if(helpFlag(argc, argv))
78 		usage(0);
79 	arg.offset = -1;
80 	while ((c = getopt(argc, argv, "i:ho:")) != EOF) {
81 		switch (c) {
82 			case 'o':
83 				arg.offset = str_to_offset(optarg);
84 				break;
85 			case 'i':
86 				set_cmd_line_image(optarg);
87 				break;
88 			case 'h':
89 				usage(0);
90 			case '?':
91 				usage(1);
92 		}
93 	}
94 
95 	if (argc - optind < 1)
96 		usage(1);
97 
98 	/* only 1 file to handle... */
99 	init_mp(&arg.mp);
100 	arg.mp.arg = (void *) &arg;
101 
102 	arg.mp.callback = dos_showfat;
103 	arg.mp.unixcallback = unix_showfat;
104 
105 	arg.mp.lookupflags = ACCEPT_PLAIN | ACCEPT_DIR | DO_OPEN;
106 	ret=main_loop(&arg.mp, argv + optind, argc - optind);
107 	exit(ret);
108 }
109