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 fputs(buffer, stream);
46 int pkg_extract_control_files_to_dir(pkg_t *pkg, const char *dir)
48 return pkg_extract_control_files_to_dir_with_prefix(pkg, dir, "");
51 int pkg_extract_control_files_to_dir_with_prefix(pkg_t *pkg,
55 char *dir_with_prefix;
58 sprintf_alloc(&dir_with_prefix, "%s/%s", dir, prefix);
60 buffer = 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 /* BUG: How do we know if deb_extract worked or not? This is a
69 defect in the current deb_extract from what I can tell. */
77 int pkg_extract_data_files_to_dir(pkg_t *pkg, const char *dir)
80 buffer = deb_extract(pkg->local_filename, stderr,
82 | extract_all_to_fs| extract_preserve_date
83 | extract_unconditional,
86 /* BUG: How do we know if deb_extract worked or not? This is a
87 defect in the current deb_extract from what I can tell. */
95 int pkg_extract_data_file_names_to_file(pkg_t *pkg, const char *file_name)
98 char *line, *data_file;
102 file = fopen(file_name, "w");
104 fprintf(stderr, "%s: ERROR: Failed to open %s for writing.\n",
105 __FUNCTION__, file_name);
110 if (pkg->installed_files) {
112 for (elt = str_list_first(pkg->installed_files); elt; elt = str_list_next(pkg->installed_files, elt)) {
113 fprintf(file, "%s\n", (char *)elt->data);
116 err = pkg_extract_data_file_names_to_stream(pkg, tmp);
123 /* Fixup data file names by removing the initial '.' */
126 line = file_read_line_alloc(tmp);
132 if (*data_file == '.') {
136 if (*data_file != '/') {
140 /* I have no idea why, but this is what dpkg does */
141 if (strcmp(data_file, "/\n") == 0) {
144 fputs(data_file, file);
156 int pkg_extract_data_file_names_to_stream(pkg_t *pkg, FILE *file)
159 /* XXX: DPKG_INCOMPATIBILITY: deb_extract will extract all of the
160 data file names with a '.' as the first character. I've taught
161 opkg how to cope with the presence or absence of the '.', but
162 this may trip up dpkg.
164 For all I know, this could actually be a bug in opkg-build. So,
165 I'll have to try installing some .debs and comparing the *.list
168 If we wanted to, we could workaround the deb_extract behavior
169 right here, by writing to a tmpfile, then munging things as we
170 wrote to the actual stream. */
171 buffer = deb_extract(pkg->local_filename, file,
172 extract_quiet | extract_data_tar_gz | extract_list,
175 /* BUG: How do we know if deb_extract worked or not? This is a
176 defect in the current deb_extract from what I can tell. */