/*
* Mini cpio implementation for busybox
*
- * Copyright (C) 2001 by Glenn McGrath
+ * Copyright (C) 2001 by Glenn McGrath
*
* 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
#include "unarchive.h"
#include "busybox.h"
+#define CPIO_OPT_EXTRACT 0x01
+#define CPIO_OPT_TEST 0x02
+#define CPIO_OPT_UNCONDITIONAL 0x04
+#define CPIO_OPT_VERBOSE 0x08
+#define CPIO_OPT_FILE 0x10
+#define CPIO_OPT_CREATE_LEADING_DIR 0x20
+#define CPIO_OPT_PRESERVE_MTIME 0x40
+
extern int cpio_main(int argc, char **argv)
{
archive_handle_t *archive_handle;
- int opt;
+ char *cpio_filename = NULL;
+ unsigned long opt;
/* Initialise */
archive_handle = init_handle();
- archive_handle->src_fd = fileno(stdin);
+ archive_handle->src_fd = STDIN_FILENO;
archive_handle->seek = seek_by_char;
- archive_handle->action_header = header_list;
+ archive_handle->flags = ARCHIVE_EXTRACT_NEWER | ARCHIVE_PRESERVE_DATE;
+
+ opt = bb_getopt_ulflags(argc, argv, "ituvF:dm", &cpio_filename);
+
+ /* One of either extract or test options must be given */
+ if ((opt & (CPIO_OPT_TEST | CPIO_OPT_EXTRACT)) == 0) {
+ bb_show_usage();
+ }
- while ((opt = getopt(argc, argv, "idmuvtF:")) != -1) {
- switch (opt) {
- case 'i': /* extract */
- archive_handle->action_data = data_extract_all;
- break;
- case 'd': /* create _leading_ directories */
- archive_handle->flags |= ARCHIVE_CREATE_LEADING_DIRS;
- break;
- case 'm': /* preserve modification time */
- archive_handle->flags |= ARCHIVE_PRESERVE_DATE;
- break;
- case 'v': /* verbosly list files */
+ if (opt & CPIO_OPT_TEST) {
+ /* if both extract and test option are given, ignore extract option */
+ if (opt & CPIO_OPT_EXTRACT) {
+ opt &= ~CPIO_OPT_EXTRACT;
+ }
+ archive_handle->action_header = header_list;
+ }
+ if (opt & CPIO_OPT_EXTRACT) {
+ archive_handle->action_data = data_extract_all;
+ }
+ if (opt & CPIO_OPT_UNCONDITIONAL) {
+ archive_handle->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
+ archive_handle->flags &= ~ARCHIVE_EXTRACT_NEWER;
+ }
+ if (opt & CPIO_OPT_VERBOSE) {
+ if (archive_handle->action_header == header_list) {
archive_handle->action_header = header_verbose_list;
- break;
- case 'u': /* unconditional */
- archive_handle->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
- break;
- case 't': /* list files */
+ } else {
archive_handle->action_header = header_list;
- break;
- case 'F':
- archive_handle->src_fd = bb_xopen(optarg, O_RDONLY);
- archive_handle->seek = seek_by_jump;
- break;
- default:
- bb_show_usage();
}
}
+ if (cpio_filename) { /* CPIO_OPT_FILE */
+ archive_handle->src_fd = bb_xopen(cpio_filename, O_RDONLY);
+ archive_handle->seek = seek_by_jump;
+ }
+ if (opt & CPIO_OPT_CREATE_LEADING_DIR) {
+ archive_handle->flags |= ARCHIVE_CREATE_LEADING_DIRS;
+ }
while (optind < argc) {
archive_handle->filter = filter_accept_list;
return(EXIT_SUCCESS);
}
-