mirror of
https://github.com/topjohnwu/ndk-busybox.git
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Added adjtimex applet from Larry Doolittle.
This commit is contained in:
Mark Whitley
parent
ba372620c2
commit
6f93277f56
1
Config.h
1
Config.h
@ -7,6 +7,7 @@
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//
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//
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// BusyBox Applications
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//#define BB_ADJTIMEX
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//#define BB_AR
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#define BB_BASENAME
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#define BB_CAT
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169
adjtimex.c
Normal file
169
adjtimex.c
Normal file
@ -0,0 +1,169 @@
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/*
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* adjtimex.c - read, and possibly modify, the Linux kernel `timex' variables.
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*
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* Originally written: October 1997
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* Last hack: March 2001
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* Copyright 1997, 2000, 2001 Larry Doolittle <LRDoolittle@lbl.gov>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License (Version 2,
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* June 1991) as published by the Free Software Foundation. At the
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* time of writing, that license was published by the FSF with the URL
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* http://www.gnu.org/copyleft/gpl.html, and is incorporated herein by
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* reference.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* This adjtimex(1) is very similar in intent to adjtimex(8) by Steven
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* Dick <ssd@nevets.oau.org> and Jim Van Zandt <jrv@vanzandt.mv.com>
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* (see http://metalab.unc.edu/pub/Linux/system/admin/time/adjtimex*).
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* That version predates this one, and is _much_ bigger and more
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* featureful. My independently written version was very similar to
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* Steven's from the start, because they both follow the kernel timex
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* structure. I further tweaked this version to be equivalent to Steven's
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* where possible, but I don't like getopt_long, so the actual usage
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* syntax is incompatible.
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*
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* Amazingly enough, my Red Hat 5.2 sys/timex (and sub-includes)
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* don't actually give a prototype for adjtimex(2), so building
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* this code (with -Wall) gives a warning. Later versions of
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* glibc fix this issue.
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*
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* This program is too simple for a Makefile, just build with:
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* gcc -Wall -O adjtimex.c -o adjtimex
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*
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* busyboxed 20 March 2001, Larry Doolittle <ldoolitt@recycle.lbl.gov>
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* It will autosense if it is built in a busybox environment, based
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* on the BB_VER preprocessor macro.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/timex.h>
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#ifdef BB_VER
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#include "busybox.h"
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#endif
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static struct {int bit; char *name;} statlist[] = {
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{ STA_PLL, "PLL" },
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{ STA_PPSFREQ, "PPSFREQ" },
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{ STA_PPSTIME, "PPSTIME" },
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{ STA_FLL, "FFL" },
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{ STA_INS, "INS" },
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{ STA_DEL, "DEL" },
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{ STA_UNSYNC, "UNSYNC" },
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{ STA_FREQHOLD, "FREQHOLD" },
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{ STA_PPSSIGNAL, "PPSSIGNAL" },
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{ STA_PPSJITTER, "PPSJITTER" },
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{ STA_PPSWANDER, "PPSWANDER" },
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{ STA_PPSERROR, "PPSERROR" },
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{ STA_CLOCKERR, "CLOCKERR" },
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{ 0, NULL } };
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static char *ret_code_descript[] = {
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"clock synchronized",
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"insert leap second",
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"delete leap second",
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"leap second in progress",
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"leap second has occurred",
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"clock not synchronized" };
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#ifdef BB_VER
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#define main adjtimex_main
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#else
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void usage(char *prog)
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{
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fprintf(stderr,
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"Usage: %s [ -q ] [ -o offset ] [ -f frequency ] [ -p timeconstant ] [ -t tick ]\n",
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prog);
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}
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#define show_usage() usage(argv[0])
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#endif
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int main(int argc, char ** argv)
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{
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struct timex txc;
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int quiet=0;
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int c, i, ret, sep;
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char *descript;
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txc.modes=0;
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for (;;) {
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c = getopt( argc, argv, "qo:f:p:t:");
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if (c == EOF) break;
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switch (c) {
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case 'q':
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quiet=1;
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break;
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case 'o':
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txc.offset = atoi(optarg);
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txc.modes |= ADJ_OFFSET_SINGLESHOT;
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break;
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case 'f':
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txc.freq = atoi(optarg);
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txc.modes |= ADJ_FREQUENCY;
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break;
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case 'p':
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txc.constant = atoi(optarg);
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txc.modes |= ADJ_TIMECONST;
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break;
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case 't':
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txc.tick = atoi(optarg);
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txc.modes |= ADJ_TICK;
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break;
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default:
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show_usage();
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exit(1);
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}
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}
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if (argc != optind) { /* no valid non-option parameters */
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show_usage();
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exit(1);
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}
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ret = adjtimex(&txc);
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if (ret < 0) perror("adjtimex");
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if (!quiet && ret>=0) {
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printf(
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" mode: %d\n"
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"-o offset: %ld\n"
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"-f frequency: %ld\n"
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" maxerror: %ld\n"
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" esterror: %ld\n"
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" status: %d ( ",
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txc.modes, txc.offset, txc.freq, txc.maxerror,
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txc.esterror, txc.status);
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/* representative output of next code fragment:
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"PLL | PPSTIME" */
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sep=0;
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for (i=0; statlist[i].name; i++) {
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if (txc.status & statlist[i].bit) {
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if (sep) fputs(" | ",stdout);
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fputs(statlist[i].name,stdout);
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sep=1;
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}
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}
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descript = "error";
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if (ret >= 0 && ret <= 5) descript = ret_code_descript[ret];
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printf(" )\n"
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"-p timeconstant: %ld\n"
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" precision: %ld\n"
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" tolerance: %ld\n"
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"-t tick: %ld\n"
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" time.tv_sec: %ld\n"
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" time.tv_usec: %ld\n"
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" return value: %d (%s)\n",
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txc.constant,
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txc.precision, txc.tolerance, txc.tick,
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txc.time.tv_sec, txc.time.tv_usec, ret, descript);
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}
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return (ret<0);
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}
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@ -46,6 +46,9 @@
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#ifdef BB_TEST
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APPLET_NOUSAGE("[", test_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_ADJTIMEX
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APPLET(adjtimex, adjtimex_main, _BB_DIR_SBIN)
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#endif
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#ifdef BB_AR
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APPLET(ar, ar_main, _BB_DIR_USR_BIN)
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#endif
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@ -1,3 +1,16 @@
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#define adjtimex_trivial_usage \
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"[-q] [-o offset] [-f frequency] [-p timeconstant] [-t tick]"
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#define adjtimex_full_usage \
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"Reads and optionally sets system timebase parameters.\n" \
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"See adjtimex(2).\n\n" \
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"Options:\n" \
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"\t-q\t\tquiet mode - do not print\n" \
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"\t-o offset\ttime offset, microseconds\n" \
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"\t-f frequency\tfrequency adjust, integer kernel units (65536 is 1ppm)\n" \
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"\t\t\t(positive values make the system clock run fast)\n" \
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"\t-t tick\t\tmicroseconds per tick, usually 10000\n" \
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"\t-p timeconstant\n"
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#define ar_trivial_usage \
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"-[ovR]{ptx} archive filenames"
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#define ar_full_usage \
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@ -46,6 +46,9 @@
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#ifdef BB_TEST
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APPLET_NOUSAGE("[", test_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_ADJTIMEX
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APPLET(adjtimex, adjtimex_main, _BB_DIR_SBIN)
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#endif
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#ifdef BB_AR
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APPLET(ar, ar_main, _BB_DIR_USR_BIN)
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#endif
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@ -1,3 +1,16 @@
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#define adjtimex_trivial_usage \
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"[-q] [-o offset] [-f frequency] [-p timeconstant] [-t tick]"
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#define adjtimex_full_usage \
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"Reads and optionally sets system timebase parameters.\n" \
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"See adjtimex(2).\n\n" \
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"Options:\n" \
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"\t-q\t\tquiet mode - do not print\n" \
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"\t-o offset\ttime offset, microseconds\n" \
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"\t-f frequency\tfrequency adjust, integer kernel units (65536 is 1ppm)\n" \
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"\t\t\t(positive values make the system clock run fast)\n" \
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"\t-t tick\t\tmicroseconds per tick, usually 10000\n" \
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"\t-p timeconstant\n"
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#define ar_trivial_usage \
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"-[ovR]{ptx} archive filenames"
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#define ar_full_usage \
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169
miscutils/adjtimex.c
Normal file
169
miscutils/adjtimex.c
Normal file
@ -0,0 +1,169 @@
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/*
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* adjtimex.c - read, and possibly modify, the Linux kernel `timex' variables.
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*
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* Originally written: October 1997
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* Last hack: March 2001
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* Copyright 1997, 2000, 2001 Larry Doolittle <LRDoolittle@lbl.gov>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License (Version 2,
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* June 1991) as published by the Free Software Foundation. At the
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* time of writing, that license was published by the FSF with the URL
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* http://www.gnu.org/copyleft/gpl.html, and is incorporated herein by
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* reference.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* This adjtimex(1) is very similar in intent to adjtimex(8) by Steven
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* Dick <ssd@nevets.oau.org> and Jim Van Zandt <jrv@vanzandt.mv.com>
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* (see http://metalab.unc.edu/pub/Linux/system/admin/time/adjtimex*).
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* That version predates this one, and is _much_ bigger and more
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* featureful. My independently written version was very similar to
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* Steven's from the start, because they both follow the kernel timex
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* structure. I further tweaked this version to be equivalent to Steven's
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* where possible, but I don't like getopt_long, so the actual usage
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* syntax is incompatible.
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*
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* Amazingly enough, my Red Hat 5.2 sys/timex (and sub-includes)
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* don't actually give a prototype for adjtimex(2), so building
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* this code (with -Wall) gives a warning. Later versions of
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* glibc fix this issue.
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*
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* This program is too simple for a Makefile, just build with:
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* gcc -Wall -O adjtimex.c -o adjtimex
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*
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* busyboxed 20 March 2001, Larry Doolittle <ldoolitt@recycle.lbl.gov>
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* It will autosense if it is built in a busybox environment, based
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* on the BB_VER preprocessor macro.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/timex.h>
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#ifdef BB_VER
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#include "busybox.h"
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#endif
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static struct {int bit; char *name;} statlist[] = {
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{ STA_PLL, "PLL" },
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{ STA_PPSFREQ, "PPSFREQ" },
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{ STA_PPSTIME, "PPSTIME" },
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{ STA_FLL, "FFL" },
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{ STA_INS, "INS" },
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{ STA_DEL, "DEL" },
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{ STA_UNSYNC, "UNSYNC" },
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{ STA_FREQHOLD, "FREQHOLD" },
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{ STA_PPSSIGNAL, "PPSSIGNAL" },
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{ STA_PPSJITTER, "PPSJITTER" },
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{ STA_PPSWANDER, "PPSWANDER" },
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{ STA_PPSERROR, "PPSERROR" },
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{ STA_CLOCKERR, "CLOCKERR" },
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{ 0, NULL } };
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static char *ret_code_descript[] = {
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"clock synchronized",
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"insert leap second",
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"delete leap second",
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"leap second in progress",
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"leap second has occurred",
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"clock not synchronized" };
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#ifdef BB_VER
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#define main adjtimex_main
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#else
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void usage(char *prog)
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{
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fprintf(stderr,
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"Usage: %s [ -q ] [ -o offset ] [ -f frequency ] [ -p timeconstant ] [ -t tick ]\n",
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prog);
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}
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#define show_usage() usage(argv[0])
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#endif
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int main(int argc, char ** argv)
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{
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struct timex txc;
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int quiet=0;
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int c, i, ret, sep;
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char *descript;
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txc.modes=0;
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for (;;) {
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c = getopt( argc, argv, "qo:f:p:t:");
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if (c == EOF) break;
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switch (c) {
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case 'q':
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quiet=1;
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break;
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case 'o':
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txc.offset = atoi(optarg);
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txc.modes |= ADJ_OFFSET_SINGLESHOT;
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break;
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case 'f':
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txc.freq = atoi(optarg);
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txc.modes |= ADJ_FREQUENCY;
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break;
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case 'p':
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txc.constant = atoi(optarg);
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txc.modes |= ADJ_TIMECONST;
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break;
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case 't':
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txc.tick = atoi(optarg);
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txc.modes |= ADJ_TICK;
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break;
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default:
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show_usage();
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exit(1);
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}
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}
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if (argc != optind) { /* no valid non-option parameters */
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show_usage();
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exit(1);
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}
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ret = adjtimex(&txc);
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if (ret < 0) perror("adjtimex");
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if (!quiet && ret>=0) {
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printf(
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" mode: %d\n"
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"-o offset: %ld\n"
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"-f frequency: %ld\n"
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" maxerror: %ld\n"
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" esterror: %ld\n"
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" status: %d ( ",
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txc.modes, txc.offset, txc.freq, txc.maxerror,
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txc.esterror, txc.status);
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/* representative output of next code fragment:
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"PLL | PPSTIME" */
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sep=0;
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for (i=0; statlist[i].name; i++) {
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if (txc.status & statlist[i].bit) {
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if (sep) fputs(" | ",stdout);
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fputs(statlist[i].name,stdout);
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sep=1;
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}
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}
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descript = "error";
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if (ret >= 0 && ret <= 5) descript = ret_code_descript[ret];
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printf(" )\n"
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"-p timeconstant: %ld\n"
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" precision: %ld\n"
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" tolerance: %ld\n"
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"-t tick: %ld\n"
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" time.tv_sec: %ld\n"
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" time.tv_usec: %ld\n"
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" return value: %d (%s)\n",
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txc.constant,
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txc.precision, txc.tolerance, txc.tick,
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txc.time.tv_sec, txc.time.tv_usec, ret, descript);
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}
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return (ret<0);
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}
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13
usage.h
13
usage.h
@ -1,3 +1,16 @@
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#define adjtimex_trivial_usage \
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"[-q] [-o offset] [-f frequency] [-p timeconstant] [-t tick]"
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#define adjtimex_full_usage \
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"Reads and optionally sets system timebase parameters.\n" \
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"See adjtimex(2).\n\n" \
|
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"Options:\n" \
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"\t-q\t\tquiet mode - do not print\n" \
|
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"\t-o offset\ttime offset, microseconds\n" \
|
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"\t-f frequency\tfrequency adjust, integer kernel units (65536 is 1ppm)\n" \
|
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"\t\t\t(positive values make the system clock run fast)\n" \
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"\t-t tick\t\tmicroseconds per tick, usually 10000\n" \
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"\t-p timeconstant\n"
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#define ar_trivial_usage \
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"-[ovR]{ptx} archive filenames"
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#define ar_full_usage \
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