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1d42665b6b
function old new delta getopt32 1370 1385 +15 sulogin_main 490 494 +4 realpath_main 84 86 +2 sleep_main 76 77 +1 mt_main 256 257 +1 printenv_main 75 74 -1 fdformat_main 546 545 -1 usleep_main 44 42 -2 setlogcons_main 77 75 -2 ed_main 2654 2649 -5 deallocvt_main 69 64 -5 addgroup_main 373 368 -5 mkfs_minix_main 2989 2982 -7 tail_main 1221 1213 -8 sv_main 1254 1241 -13 du_main 348 328 -20 tftp_main 325 302 -23 split_main 581 558 -23 nc_main 1000 977 -23 diff_main 891 868 -23 arping_main 1797 1770 -27 ls_main 893 847 -46 od_main 2797 2750 -47 readprofile_main 1944 1895 -49 tcpudpsvd_main 1973 1922 -51 udhcpc_main 2590 2513 -77 grep_main 824 722 -102 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes text data bss dec hex filename 796973 658 7428 805059 c48c3 busybox_old 796479 662 7420 804561 c46d1 busybox_unstripped
34 lines
868 B
C
34 lines
868 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Disallocate virtual terminal(s)
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*
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* Copyright (C) 2003 by Tito Ragusa <farmatito@tiscali.it>
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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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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/* no options, no getopt */
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#include "libbb.h"
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/* From <linux/vt.h> */
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enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */
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int deallocvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int deallocvt_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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/* num = 0 deallocate all unused consoles */
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int num = 0;
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if (argv[1]) {
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if (argv[2])
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bb_show_usage();
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num = xatou_range(argv[1], 1, 63);
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}
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/* double cast suppresses "cast to ptr from int of different size" */
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xioctl(get_console_fd(), VT_DISALLOCATE, (void *)(ptrdiff_t)num);
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return EXIT_SUCCESS;
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}
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