8fcfb01a81
The copyrights of the source files were all out of date and were not the same format. This has been corrected. The source of the authors was examining the git log for each file. Signed-off-by: Craig Small <csmall@dropbear.xyz>
128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
/*
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* uptime.c - display system uptime
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*
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* Copyright © 2002-2023 Craig Small <csmall@dropbear.xyz>
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* Copyright © 2020-2023 Jim Warner <james.warner@comcast.net>
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* Copyright © 2011-2012 Sami Kerola <kerolasa@iki.fi>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <errno.h>
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#include <getopt.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <sys/time.h>
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#include "c.h"
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#include "fileutils.h"
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#include "nls.h"
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#include "misc.h"
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static void print_uptime_since()
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{
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double now, uptime_secs, idle_secs;
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time_t up_since_secs;
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struct tm *up_since;
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struct timeval tim;
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/* Get the current time and convert it to a double */
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if (gettimeofday(&tim, NULL) != 0)
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xerr(EXIT_FAILURE, "gettimeofday");
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now = tim.tv_sec + (tim.tv_usec / 1000000.0);
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/* Get the uptime and calculate when that was */
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if (procps_uptime(&uptime_secs, &idle_secs) < 0)
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xerr(EXIT_FAILURE, _("Cannot get system uptime"));
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up_since_secs = (time_t) ((now - uptime_secs) + 0.5);
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/* Show this */
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if ((up_since = localtime(&up_since_secs)) == NULL)
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xerrx(EXIT_FAILURE, "localtime");
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printf("%04d-%02d-%02d %02d:%02d:%02d\n",
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up_since->tm_year + 1900, up_since->tm_mon + 1, up_since->tm_mday,
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up_since->tm_hour, up_since->tm_min, up_since->tm_sec);
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}
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static void __attribute__ ((__noreturn__)) usage(FILE * out)
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{
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fputs(USAGE_HEADER, out);
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fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
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fputs(USAGE_OPTIONS, out);
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fputs(_(" -p, --pretty show uptime in pretty format\n"), out);
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fputs(USAGE_HELP, out);
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fputs(_(" -s, --since system up since\n"), out);
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fputs(USAGE_VERSION, out);
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fprintf(out, USAGE_MAN_TAIL("uptime(1)"));
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exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
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}
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int main(int argc, char **argv)
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{
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int c, p = 0;
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char *uptime_str;
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static const struct option longopts[] = {
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{"pretty", no_argument, NULL, 'p'},
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{"help", no_argument, NULL, 'h'},
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{"since", no_argument, NULL, 's'},
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{"version", no_argument, NULL, 'V'},
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{NULL, 0, NULL, 0}
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};
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#ifdef HAVE_PROGRAM_INVOCATION_NAME
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program_invocation_name = program_invocation_short_name;
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#endif
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setlocale (LC_ALL, "");
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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atexit(close_stdout);
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while ((c = getopt_long(argc, argv, "phsV", longopts, NULL)) != -1)
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switch (c) {
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case 'p':
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p = 1;
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break;
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case 'h':
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usage(stdout);
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case 's':
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print_uptime_since();
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return EXIT_SUCCESS;
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case 'V':
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printf(PROCPS_NG_VERSION);
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return EXIT_SUCCESS;
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default:
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usage(stderr);
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}
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if (optind != argc)
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usage(stderr);
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if (p)
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uptime_str = procps_uptime_sprint_short();
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else
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uptime_str = procps_uptime_sprint();
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if (!uptime_str || uptime_str[0] == '\0')
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xerr(EXIT_FAILURE, _("Cannot get system uptime"));
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printf("%s\n", uptime_str);
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return EXIT_SUCCESS;
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}
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