mirror of
https://github.com/sheumann/hush.git
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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
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Poweroff reboot and halt, oh my.
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*
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* Copyright 2006 by Rob Landley <rob@landley.net>
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*
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* Licensed under GPL version 2, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include <sys/reboot.h>
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#if ENABLE_FEATURE_WTMP
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#include <sys/utsname.h>
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#include <utmp.h>
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#endif
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int halt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int halt_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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static const int magic[] = {
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#ifdef RB_HALT_SYSTEM
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RB_HALT_SYSTEM,
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#elif defined RB_HALT
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RB_HALT,
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#endif
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#ifdef RB_POWER_OFF
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RB_POWER_OFF,
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#elif defined RB_POWERDOWN
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RB_POWERDOWN,
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#endif
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RB_AUTOBOOT
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};
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static const smallint signals[] = { SIGUSR1, SIGUSR2, SIGTERM };
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int delay = 0;
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int which, flags, rc = 1;
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#if ENABLE_FEATURE_WTMP
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struct utmp utmp;
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struct timeval tv;
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struct utsname uts;
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#endif
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/* Figure out which applet we're running */
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for (which = 0; "hpr"[which] != *applet_name; which++)
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continue;
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/* Parse and handle arguments */
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opt_complementary = "d+"; /* -d N */
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flags = getopt32(argv, "d:nfw", &delay);
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sleep(delay);
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#if ENABLE_FEATURE_WTMP
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if (access(bb_path_wtmp_file, R_OK|W_OK) == -1) {
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close(creat(bb_path_wtmp_file, 0664));
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}
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memset(&utmp, 0, sizeof(utmp));
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gettimeofday(&tv, NULL);
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utmp.ut_tv.tv_sec = tv.tv_sec;
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utmp.ut_tv.tv_usec = tv.tv_usec;
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safe_strncpy(utmp.ut_user, "shutdown", UT_NAMESIZE);
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utmp.ut_type = RUN_LVL;
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safe_strncpy(utmp.ut_id, "~~", sizeof(utmp.ut_id));
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safe_strncpy(utmp.ut_line, "~~", UT_LINESIZE);
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if (uname(&uts) == 0)
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safe_strncpy(utmp.ut_host, uts.release, sizeof(utmp.ut_host));
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updwtmp(bb_path_wtmp_file, &utmp);
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#endif /* !ENABLE_FEATURE_WTMP */
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if (flags & 8) /* -w */
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return 0;
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if (!(flags & 2)) /* no -n */
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sync();
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/* Perform action. */
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if (ENABLE_INIT && !(flags & 4)) {
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if (ENABLE_FEATURE_INITRD) {
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pid_t *pidlist = find_pid_by_name("linuxrc");
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if (pidlist[0] > 0)
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rc = kill(pidlist[0], signals[which]);
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if (ENABLE_FEATURE_CLEAN_UP)
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free(pidlist);
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}
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if (rc)
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rc = kill(1, signals[which]);
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} else
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rc = reboot(magic[which]);
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if (rc)
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bb_error_msg("no");
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return rc;
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}
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