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-rw-r--r--archival/unzip.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/archival/unzip.c b/archival/unzip.c
new file mode 100644
index 0000000..ae0d7c1
--- /dev/null
+++ b/archival/unzip.c
@@ -0,0 +1,94 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini unzip implementation for busybox
+ *
+ * Copyright (C) 2001 by Laurence Anderson
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "unarchive.h"
+#include "busybox.h"
+
+extern int unzip_main(int argc, char **argv)
+{
+ FILE *src_stream;
+ int extract_function = extract_all_to_fs | extract_create_leading_dirs;
+ char **extract_names = NULL;
+ char **exclude_names = NULL;
+ int opt = 0;
+ int num_of_entries = 0;
+ int exclude = 0;
+ char *outdir = "./";
+ FILE *msgout = stdout;
+
+ while ((opt = getopt(argc, argv, "lnopqxd:")) != -1) {
+ switch (opt) {
+ case 'l':
+ extract_function |= extract_verbose_list;
+ extract_function ^= extract_all_to_fs;
+ break;
+ case 'n':
+ break;
+ case 'o':
+ extract_function |= extract_unconditional;
+ break;
+ case 'p':
+ extract_function |= extract_to_stdout;
+ extract_function ^= extract_all_to_fs;
+ /* FALLTHROUGH */
+ case 'q':
+ msgout = xfopen("/dev/null", "w");
+ break;
+ case 'd':
+ outdir = xstrdup(optarg);
+ strcat(outdir, "/");
+ break;
+ case 'x':
+ exclude = 1;
+ break;
+ }
+ }
+
+ if (optind == argc) {
+ show_usage();
+ }
+
+ if (*argv[optind] == '-') src_stream = stdin;
+ else src_stream = xfopen(argv[optind++], "r");
+
+ while (optind < argc) {
+ if (exclude) {
+ exclude_names = xrealloc(exclude_names, sizeof(char *) * (num_of_entries + 2));
+ exclude_names[num_of_entries] = xstrdup(argv[optind]);
+ } else {
+ extract_names = xrealloc(extract_names, sizeof(char *) * (num_of_entries + 2));
+ extract_names[num_of_entries] = xstrdup(argv[optind]);
+ }
+ num_of_entries++;
+ if (exclude) exclude_names[num_of_entries] = NULL;
+ else extract_names[num_of_entries] = NULL;
+ optind++;
+ }
+
+ unarchive(src_stream, msgout, &get_header_zip, extract_function, outdir, extract_names, exclude_names);
+ return EXIT_SUCCESS;
+}