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-rw-r--r--archival/cpio.c83
1 files changed, 44 insertions, 39 deletions
diff --git a/archival/cpio.c b/archival/cpio.c
index beee83d31..8f85779c9 100644
--- a/archival/cpio.c
+++ b/archival/cpio.c
@@ -31,56 +31,61 @@
#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->seek = seek_by_char;
archive_handle->flags = ARCHIVE_EXTRACT_NEWER | ARCHIVE_PRESERVE_DATE;
-
- 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;
-#if 0
- case 'm': /* preserve modification time */
- archive_handle->flags |= ARCHIVE_PRESERVE_DATE;
- break;
-#endif
- case 'v': /* verbosly list files */
- if (archive_handle->action_header == header_list) {
- archive_handle->action_header = header_verbose_list;
- } else {
- archive_handle->action_header = header_list;
- }
- break;
- case 'u': /* unconditional */
- archive_handle->flags |= ARCHIVE_EXTRACT_UNCONDITIONAL;
- archive_handle->flags &= ~ARCHIVE_EXTRACT_NEWER;
- break;
- case 't': /* list files */
- if (archive_handle->action_header == header_list) {
- archive_handle->action_header = header_verbose_list;
- } 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();
+
+ 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();
+ }
+
+ 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;
+ } else {
+ archive_handle->action_header = header_list;
}
}
+ 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;