7c5a5de5897a76f753a4751c4dec0c27fd691702
[oweals/busybox.git] / archival / dpkg_deb.c
1 /*
2  *  This program is free software; you can redistribute it and/or modify
3  *  it under the terms of the GNU General Public License as published by
4  *  the Free Software Foundation; either version 2 of the License, or
5  *  (at your option) any later version.
6  *
7  *  This program is distributed in the hope that it will be useful,
8  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
9  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  *  GNU Library General Public License for more details.
11  *
12  *  You should have received a copy of the GNU General Public License
13  *  along with this program; if not, write to the Free Software
14  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15  */
16
17 #include <stdlib.h>
18 #include <getopt.h>
19 #include "busybox.h"
20
21 extern int dpkg_deb_main(int argc, char **argv)
22 {
23         char *argument = NULL;
24         int opt = 0;
25         int optflag = 0;        
26         
27         while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
28                 switch (opt) {
29                         case 'c':
30                                 optflag |= extract_contents;
31                                 break;
32                         case 'e':
33                                 optflag |= extract_control;
34                                 break;
35                         case 'f':
36                                 optflag |= extract_field;
37                                 break;
38                         case 't':
39                                 optflag |= extract_fsys_tarfile;
40                                 break;
41                         case 'X':
42                                 optflag |= extract_verbose_extract;
43                                 break;
44                         case 'x':
45                                 optflag |= extract_extract;
46                                 break;
47                         case 'I':
48                                 optflag |= extract_info;
49                                 break;
50                         default:
51                                 show_usage();
52                 }
53         }
54
55         if (optind == argc)  {
56                 show_usage();
57         }
58
59         switch (optflag) {
60                 case (extract_control):
61                 case (extract_extract):
62                 case (extract_verbose_extract):
63                         /* argument is a dir name */
64                         if ( (optind + 1) == argc ) {
65                                 argument = xstrdup("DEBIAN");
66                         } else {
67                                 argument = xstrdup(argv[optind + 1]);
68                         }
69                         break;
70                 case (extract_field):
71                         /* argument is a control field name */
72                         if ((optind + 1) != argc) {
73                                 argument = xstrdup(argv[optind + 1]);                           
74                         }
75                         break;
76                 case (extract_info):
77                         /* argument is a control field name */
78                         if ((optind + 1) != argc) {
79                                 argument = xstrdup(argv[optind + 1]);
80                                 break;
81                         } else {
82                                 error_msg("-I currently requires a filename to be specifies");
83                                 return(EXIT_FAILURE);
84                         }
85                         /* argument is a filename */
86                 default:
87         }
88
89         deb_extract(argv[optind], optflag, argument);
90
91         return(EXIT_SUCCESS);
92 }