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author | Denys Vlasenko | 2017-04-12 13:58:40 +0200 |
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committer | Denys Vlasenko | 2017-04-12 13:58:40 +0200 |
commit | 783d57af7bb2b851c16cf87df848e0365e5052da (patch) | |
tree | 71bb23e51b9cb40eac4a6fb831383134c1fc45a0 /miscutils/last_fancy.c | |
parent | ac47a00e2ec398b04c3141cd3434a6e4b95740b1 (diff) | |
download | busybox-783d57af7bb2b851c16cf87df848e0365e5052da.zip busybox-783d57af7bb2b851c16cf87df848e0365e5052da.tar.gz |
Sort some miscutils/ applets into coreutils or util-linux
No code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/last_fancy.c')
-rw-r--r-- | miscutils/last_fancy.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/miscutils/last_fancy.c b/miscutils/last_fancy.c deleted file mode 100644 index e56e0ba..0000000 --- a/miscutils/last_fancy.c +++ /dev/null @@ -1,300 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * (sysvinit like) last implementation - * - * Copyright (C) 2008 by Patricia Muscalu <patricia.muscalu@axis.com> - * - * Licensed under GPLv2 or later, see file LICENSE in this source tree. - */ - -#include "libbb.h" - -/* NB: ut_name and ut_user are the same field, use only one name (ut_user) - * to reduce confusion */ - -#ifndef SHUTDOWN_TIME -# define SHUTDOWN_TIME 254 -#endif - -#define HEADER_FORMAT "%-8.8s %-12.12s %-*.*s %-16.16s %-7.7s %s\n" -#define HEADER_LINE "USER", "TTY", \ - INET_ADDRSTRLEN, INET_ADDRSTRLEN, "HOST", "LOGIN", " TIME", "" -#define HEADER_LINE_WIDE "USER", "TTY", \ - INET6_ADDRSTRLEN, INET6_ADDRSTRLEN, "HOST", "LOGIN", " TIME", "" - -#if !defined __UT_LINESIZE && defined UT_LINESIZE -# define __UT_LINESIZE UT_LINESIZE -#endif - -enum { - NORMAL, - LOGGED, - DOWN, - REBOOT, - CRASH, - GONE -}; - -enum { - LAST_OPT_W = (1 << 0), /* -W wide */ - LAST_OPT_f = (1 << 1), /* -f input file */ - LAST_OPT_H = (1 << 2), /* -H header */ -}; - -#define show_wide (option_mask32 & LAST_OPT_W) - -static void show_entry(struct utmpx *ut, int state, time_t dur_secs) -{ - unsigned days, hours, mins; - char duration[sizeof("(%u+02:02)") + sizeof(int)*3]; - char login_time[17]; - char logout_time[8]; - const char *logout_str; - const char *duration_str; - time_t tmp; - - /* manpages say ut_tv.tv_sec *is* time_t, - * but some systems have it wrong */ - tmp = ut->ut_tv.tv_sec; - safe_strncpy(login_time, ctime(&tmp), 17); - tmp = dur_secs; - snprintf(logout_time, 8, "- %s", ctime(&tmp) + 11); - - dur_secs = MAX(dur_secs - (time_t)ut->ut_tv.tv_sec, (time_t)0); - /* unsigned int is easier to divide than time_t (which may be signed long) */ - mins = dur_secs / 60; - days = mins / (24*60); - mins = mins % (24*60); - hours = mins / 60; - mins = mins % 60; - -// if (days) { - sprintf(duration, "(%u+%02u:%02u)", days, hours, mins); -// } else { -// sprintf(duration, " (%02u:%02u)", hours, mins); -// } - - logout_str = logout_time; - duration_str = duration; - switch (state) { - case NORMAL: - break; - case LOGGED: - logout_str = " still"; - duration_str = "logged in"; - break; - case DOWN: - logout_str = "- down "; - break; - case REBOOT: - break; - case CRASH: - logout_str = "- crash"; - break; - case GONE: - logout_str = " gone"; - duration_str = "- no logout"; - break; - } - - printf(HEADER_FORMAT, - ut->ut_user, - ut->ut_line, - show_wide ? INET6_ADDRSTRLEN : INET_ADDRSTRLEN, - show_wide ? INET6_ADDRSTRLEN : INET_ADDRSTRLEN, - ut->ut_host, - login_time, - logout_str, - duration_str); -} - -static int get_ut_type(struct utmpx *ut) -{ - if (ut->ut_line[0] == '~') { - if (strcmp(ut->ut_user, "shutdown") == 0) { - return SHUTDOWN_TIME; - } - if (strcmp(ut->ut_user, "reboot") == 0) { - return BOOT_TIME; - } - if (strcmp(ut->ut_user, "runlevel") == 0) { - return RUN_LVL; - } - return ut->ut_type; - } - - if (ut->ut_user[0] == 0) { - return DEAD_PROCESS; - } - - if ((ut->ut_type != DEAD_PROCESS) - && (strcmp(ut->ut_user, "LOGIN") != 0) - && ut->ut_user[0] - && ut->ut_line[0] - ) { - ut->ut_type = USER_PROCESS; - } - - if (strcmp(ut->ut_user, "date") == 0) { - if (ut->ut_line[0] == '|') { - return OLD_TIME; - } - if (ut->ut_line[0] == '{') { - return NEW_TIME; - } - } - return ut->ut_type; -} - -static int is_runlevel_shutdown(struct utmpx *ut) -{ - if (((ut->ut_pid & 255) == '0') || ((ut->ut_pid & 255) == '6')) { - return 1; - } - - return 0; -} - -int last_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int last_main(int argc UNUSED_PARAM, char **argv) -{ - struct utmpx ut; - const char *filename = _PATH_WTMP; - llist_t *zlist; - off_t pos; - time_t start_time; - time_t boot_time; - time_t down_time; - int file; - smallint going_down; - smallint boot_down; - - /*opt =*/ getopt32(argv, "Wf:" /* "H" */, &filename); -#ifdef BUT_UTIL_LINUX_LAST_HAS_NO_SUCH_OPT - if (opt & LAST_OPT_H) { - /* Print header line */ - if (opt & LAST_OPT_W) { - printf(HEADER_FORMAT, HEADER_LINE_WIDE); - } else { - printf(HEADER_FORMAT, HEADER_LINE); - } - } -#endif - - file = xopen(filename, O_RDONLY); - { - /* in case the file is empty... */ - struct stat st; - fstat(file, &st); - start_time = st.st_ctime; - } - - time(&down_time); - going_down = 0; - boot_down = NORMAL; /* 0 */ - zlist = NULL; - boot_time = 0; - /* get file size, rounding down to last full record */ - pos = xlseek(file, 0, SEEK_END) / sizeof(ut) * sizeof(ut); - for (;;) { - pos -= (off_t)sizeof(ut); - if (pos < 0) { - /* Beyond the beginning of the file boundary => - * the whole file has been read. */ - break; - } - xlseek(file, pos, SEEK_SET); - xread(file, &ut, sizeof(ut)); - /* rewritten by each record, eventially will have - * first record's ut_tv.tv_sec: */ - start_time = ut.ut_tv.tv_sec; - - switch (get_ut_type(&ut)) { - case SHUTDOWN_TIME: - down_time = ut.ut_tv.tv_sec; - boot_down = DOWN; - going_down = 1; - break; - case RUN_LVL: - if (is_runlevel_shutdown(&ut)) { - down_time = ut.ut_tv.tv_sec; - going_down = 1; - boot_down = DOWN; - } - break; - case BOOT_TIME: - strcpy(ut.ut_line, "system boot"); - show_entry(&ut, REBOOT, down_time); - boot_down = CRASH; - going_down = 1; - break; - case DEAD_PROCESS: - if (!ut.ut_line[0]) { - break; - } - /* add_entry */ - llist_add_to(&zlist, xmemdup(&ut, sizeof(ut))); - break; - case USER_PROCESS: { - int show; - - if (!ut.ut_line[0]) { - break; - } - /* find_entry */ - show = 1; - { - llist_t *el, *next; - for (el = zlist; el; el = next) { - struct utmpx *up = (struct utmpx *)el->data; - next = el->link; - if (strncmp(up->ut_line, ut.ut_line, __UT_LINESIZE) == 0) { - if (show) { - show_entry(&ut, NORMAL, up->ut_tv.tv_sec); - show = 0; - } - llist_unlink(&zlist, el); - free(el->data); - free(el); - } - } - } - - if (show) { - int state = boot_down; - - if (boot_time == 0) { - state = LOGGED; - /* Check if the process is alive */ - if ((ut.ut_pid > 0) - && (kill(ut.ut_pid, 0) != 0) - && (errno == ESRCH)) { - state = GONE; - } - } - show_entry(&ut, state, boot_time); - } - /* add_entry */ - llist_add_to(&zlist, xmemdup(&ut, sizeof(ut))); - break; - } - } - - if (going_down) { - boot_time = ut.ut_tv.tv_sec; - llist_free(zlist, free); - zlist = NULL; - going_down = 0; - } - } - - if (ENABLE_FEATURE_CLEAN_UP) { - llist_free(zlist, free); - } - - printf("\nwtmp begins %s", ctime(&start_time)); - - if (ENABLE_FEATURE_CLEAN_UP) - close(file); - fflush_stdout_and_exit(EXIT_SUCCESS); -} |