1 /* pkg_extract.c - the opkg package management system
5 Copyright (C) 2001 University of Southern California
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
21 #include "pkg_extract.h"
23 #include "libbb/libbb.h"
24 #include "file_util.h"
25 #include "sprintf_alloc.h"
27 /* assuage libb functions */
28 const char *applet_name
= "opkg";
30 int pkg_extract_control_file_to_stream(pkg_t
*pkg
, FILE *stream
)
32 char *buffer
= deb_extract(pkg
->local_filename
, stderr
,
33 extract_control_tar_gz
34 | extract_one_to_buffer
,
40 /* XXX: QUESTION: Is there a way to do this directly with deb_extract now? */
41 fputs(buffer
, stream
);
47 int pkg_extract_control_files_to_dir(pkg_t
*pkg
, const char *dir
)
49 return pkg_extract_control_files_to_dir_with_prefix(pkg
, dir
, "");
52 int pkg_extract_control_files_to_dir_with_prefix(pkg_t
*pkg
,
56 char *dir_with_prefix
;
58 sprintf_alloc(&dir_with_prefix
, "%s/%s", dir
, prefix
);
60 deb_extract(pkg
->local_filename
, stderr
,
61 extract_control_tar_gz
62 | extract_all_to_fs
| extract_preserve_date
63 | extract_unconditional
,
64 dir_with_prefix
, NULL
);
66 free(dir_with_prefix
);
68 /* XXX: BUG: how do we know if deb_extract worked or not? This is
69 a defect in the current deb_extract from what I can tell.
71 Once this is fixed, audit all calls to deb_extract. */
75 int pkg_extract_data_files_to_dir(pkg_t
*pkg
, const char *dir
)
77 deb_extract(pkg
->local_filename
, stderr
,
79 | extract_all_to_fs
| extract_preserve_date
80 | extract_unconditional
,
83 /* BUG: How do we know if deb_extract worked or not? This is a
84 defect in the current deb_extract from what I can tell. */
88 int pkg_extract_data_file_names_to_file(pkg_t
*pkg
, const char *file_name
)
91 char *line
, *data_file
;
95 file
= fopen(file_name
, "w");
97 fprintf(stderr
, "%s: ERROR: Failed to open %s for writing.\n",
98 __FUNCTION__
, file_name
);
103 if (pkg
->installed_files
) {
105 for (elt
= pkg
->installed_files
->head
; elt
; elt
= elt
->next
) {
106 fprintf(file
, "%s\n", elt
->data
);
109 err
= pkg_extract_data_file_names_to_stream(pkg
, tmp
);
116 /* Fixup data file names by removing the initial '.' */
119 line
= file_read_line_alloc(tmp
);
125 if (*data_file
== '.') {
129 if (*data_file
!= '/') {
133 /* I have no idea why, but this is what dpkg does */
134 if (strcmp(data_file
, "/\n") == 0) {
137 fputs(data_file
, file
);
147 int pkg_extract_data_file_names_to_stream(pkg_t
*pkg
, FILE *file
)
149 /* XXX: DPKG_INCOMPATIBILITY: deb_extract will extract all of the
150 data file names with a '.' as the first character. I've taught
151 opkg how to cope with the presence or absence of the '.', but
152 this may trip up dpkg.
154 For all I know, this could actually be a bug in opkg-build. So,
155 I'll have to try installing some .debs and comparing the *.list
158 If we wanted to, we could workaround the deb_extract behavior
159 right here, by writing to a tmpfile, then munging things as we
160 wrote to the actual stream. */
161 deb_extract(pkg
->local_filename
, file
,
162 extract_quiet
| extract_data_tar_gz
| extract_list
,
165 /* BUG: How do we know if deb_extract worked or not? This is a
166 defect in the current deb_extract from what I can tell. */