unzip applet by Laurence Anderson

----------------------------------------------------------------------

1 files changed, 94 insertions, 0 deletions

diff --git a/archival/unzip.c b/archival/unzip.c
new file mode 100644
index 000000000..ae0d7c1dc
--- /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;
+}