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091965768d
find_pair 164 180 +16 passwd_main 1222 1230 +8 display_speed 91 96 +5 msh_main 1335 1339 +4 qrealloc 38 36 -2 refresh 1190 1182 -8 cut_main 543 532 -11 sendCgi 1807 1794 -13 getopt32 1063 1045 -18 arith 2077 2030 -47 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/6 up/down: 33/-99) Total: -66 bytes text data bss dec hex filename 781548 1168 11900 794616 c1ff8 busybox_old 781452 1168 11900 794520 c1f98 busybox_unstripped
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini ar implementation for busybox
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*
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* Copyright (C) 2000 by Glenn McGrath
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* Written by Glenn McGrath <bug1@iinet.net.au> 1 June 2000
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*
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* Based in part on BusyBox tar, Debian dpkg-deb and GNU ar.
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*
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* There is no single standard to adhere to so ar may not portable
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* between different systems
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* http://www.unix-systems.org/single_unix_specification_v2/xcu/ar.html
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*/
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#include "libbb.h"
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#include "unarchive.h"
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static void header_verbose_list_ar(const file_header_t *file_header)
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{
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const char *mode = bb_mode_string(file_header->mode);
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char *mtime;
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mtime = ctime(&file_header->mtime);
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mtime[16] = ' ';
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memmove(&mtime[17], &mtime[20], 4);
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mtime[21] = '\0';
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printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid,
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(int) file_header->size, &mtime[4], file_header->name);
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}
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#define AR_CTX_PRINT 0x01
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#define AR_CTX_LIST 0x02
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#define AR_CTX_EXTRACT 0x04
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#define AR_OPT_PRESERVE_DATE 0x08
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#define AR_OPT_VERBOSE 0x10
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#define AR_OPT_CREATE 0x20
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#define AR_OPT_INSERT 0x40
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int ar_main(int argc, char **argv);
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int ar_main(int argc, char **argv)
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{
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archive_handle_t *archive_handle;
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unsigned opt;
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static const char msg_unsupported_err[] =
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"Archive %s not supported. Install binutils 'ar'.";
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char magic[8];
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archive_handle = init_handle();
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/* Prepend '-' to the first argument if required */
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opt_complementary = "--:p:t:x:-1:p--tx:t--px:x--pt";
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opt = getopt32(argc, argv, "ptxovcr");
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if (opt & AR_CTX_PRINT) {
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archive_handle->action_data = data_extract_to_stdout;
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}
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if (opt & AR_CTX_LIST) {
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archive_handle->action_header = header_list;
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}
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if (opt & AR_CTX_EXTRACT) {
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archive_handle->action_data = data_extract_all;
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}
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if (opt & AR_OPT_PRESERVE_DATE) {
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archive_handle->flags |= ARCHIVE_PRESERVE_DATE;
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}
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if (opt & AR_OPT_VERBOSE) {
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archive_handle->action_header = header_verbose_list_ar;
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}
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if (opt & AR_OPT_CREATE) {
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bb_error_msg_and_die(msg_unsupported_err, "creation");
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}
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if (opt & AR_OPT_INSERT) {
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bb_error_msg_and_die(msg_unsupported_err, "insertion");
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}
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archive_handle->src_fd = xopen(argv[optind++], O_RDONLY);
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while (optind < argc) {
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archive_handle->filter = filter_accept_list;
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llist_add_to(&(archive_handle->accept), argv[optind++]);
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}
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xread(archive_handle->src_fd, magic, 7);
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if (strncmp(magic, "!<arch>", 7) != 0) {
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bb_error_msg_and_die("invalid ar magic");
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}
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archive_handle->offset += 7;
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while (get_header_ar(archive_handle) == EXIT_SUCCESS) /* repeat */;
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return EXIT_SUCCESS;
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}
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