*
* busyboxed 20 March 2001, Larry Doolittle <ldoolitt@recycle.lbl.gov>
*
- * Licensed under GPLv2 or later, see file License in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-#include "busybox.h"
-#include <stdio.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/timex.h>
+//usage:#define adjtimex_trivial_usage
+//usage: "[-q] [-o OFF] [-f FREQ] [-p TCONST] [-t TICK]"
+//usage:#define adjtimex_full_usage "\n\n"
+//usage: "Read and optionally set system timebase parameters. See adjtimex(2)\n"
+//usage: "\n -q Quiet"
+//usage: "\n -o OFF Time offset, microseconds"
+//usage: "\n -f FREQ Frequency adjust, integer kernel units (65536 is 1ppm)"
+//usage: "\n (positive values make clock run faster)"
+//usage: "\n -t TICK Microseconds per tick, usually 10000"
+//usage: "\n -p TCONST"
-static const struct {int bit; const char *name;} statlist[] = {
- { STA_PLL, "PLL" },
- { STA_PPSFREQ, "PPSFREQ" },
- { STA_PPSTIME, "PPSTIME" },
- { STA_FLL, "FFL" },
- { STA_INS, "INS" },
- { STA_DEL, "DEL" },
- { STA_UNSYNC, "UNSYNC" },
- { STA_FREQHOLD, "FREQHOLD" },
- { STA_PPSSIGNAL, "PPSSIGNAL" },
- { STA_PPSJITTER, "PPSJITTER" },
- { STA_PPSWANDER, "PPSWANDER" },
- { STA_PPSERROR, "PPSERROR" },
- { STA_CLOCKERR, "CLOCKERR" },
- { 0, NULL } };
+#include "libbb.h"
+#ifdef __BIONIC__
+# include <linux/timex.h>
+#else
+# include <sys/timex.h>
+#endif
-static const char * const ret_code_descript[] = {
- "clock synchronized",
- "insert leap second",
- "delete leap second",
- "leap second in progress",
- "leap second has occurred",
- "clock not synchronized" };
+static const uint16_t statlist_bit[] = {
+ STA_PLL,
+ STA_PPSFREQ,
+ STA_PPSTIME,
+ STA_FLL,
+ STA_INS,
+ STA_DEL,
+ STA_UNSYNC,
+ STA_FREQHOLD,
+ STA_PPSSIGNAL,
+ STA_PPSJITTER,
+ STA_PPSWANDER,
+ STA_PPSERROR,
+ STA_CLOCKERR,
+ 0
+};
+static const char statlist_name[] =
+ "PLL" "\0"
+ "PPSFREQ" "\0"
+ "PPSTIME" "\0"
+ "FFL" "\0"
+ "INS" "\0"
+ "DEL" "\0"
+ "UNSYNC" "\0"
+ "FREQHOLD" "\0"
+ "PPSSIGNAL" "\0"
+ "PPSJITTER" "\0"
+ "PPSWANDER" "\0"
+ "PPSERROR" "\0"
+ "CLOCKERR"
+;
-int adjtimex_main(int argc, char **argv)
+static const char ret_code_descript[] =
+ "clock synchronized" "\0"
+ "insert leap second" "\0"
+ "delete leap second" "\0"
+ "leap second in progress" "\0"
+ "leap second has occurred" "\0"
+ "clock not synchronized"
+;
+
+int adjtimex_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int adjtimex_main(int argc UNUSED_PARAM, char **argv)
{
enum {
OPT_quiet = 0x1
};
- unsigned long opt;
+ unsigned opt;
char *opt_o, *opt_f, *opt_p, *opt_t;
struct timex txc;
- int i, ret, sep;
+ int i, ret;
const char *descript;
- txc.modes=0;
- opt = bb_getopt_ulflags(argc, argv, "qo:f:p:t:",
+ opt_complementary = "=0"; /* no valid non-option parameters */
+ opt = getopt32(argv, "qo:f:p:t:",
&opt_o, &opt_f, &opt_p, &opt_t);
+ txc.modes = 0;
//if (opt & 0x1) // -q
if (opt & 0x2) { // -o
- txc.offset = atoi(opt_o);
+ txc.offset = xatol(opt_o);
txc.modes |= ADJ_OFFSET_SINGLESHOT;
}
if (opt & 0x4) { // -f
- txc.freq = atoi(opt_f);
+ txc.freq = xatol(opt_f);
txc.modes |= ADJ_FREQUENCY;
}
if (opt & 0x8) { // -p
- txc.constant = atoi(opt_p);
+ txc.constant = xatol(opt_p);
txc.modes |= ADJ_TIMECONST;
}
if (opt & 0x10) { // -t
- txc.tick = atoi(opt_t);
+ txc.tick = xatol(opt_t);
txc.modes |= ADJ_TICK;
}
- if (argc != optind) { /* no valid non-option parameters */
- bb_show_usage();
- }
ret = adjtimex(&txc);
- if (ret < 0) perror("adjtimex");
+ if (ret < 0) {
+ bb_perror_nomsg_and_die();
+ }
+
+ if (!(opt & OPT_quiet)) {
+ int sep;
+ const char *name;
- if (!(opt & OPT_quiet) && ret>=0) {
printf(
" mode: %d\n"
"-o offset: %ld\n"
"-f frequency: %ld\n"
" maxerror: %ld\n"
" esterror: %ld\n"
- " status: %d ( ",
+ " status: %d (",
txc.modes, txc.offset, txc.freq, txc.maxerror,
txc.esterror, txc.status);
/* representative output of next code fragment:
"PLL | PPSTIME" */
- sep=0;
- for (i=0; statlist[i].name; i++) {
- if (txc.status & statlist[i].bit) {
- if (sep) fputs(" | ",stdout);
- fputs(statlist[i].name,stdout);
- sep=1;
+ name = statlist_name;
+ sep = 0;
+ for (i = 0; statlist_bit[i]; i++) {
+ if (txc.status & statlist_bit[i]) {
+ if (sep)
+ fputs(" | ", stdout);
+ fputs(name, stdout);
+ sep = 1;
}
+ name += strlen(name) + 1;
}
descript = "error";
- if (ret >= 0 && ret <= 5) descript = ret_code_descript[ret];
- printf(" )\n"
+ if (ret <= 5)
+ descript = nth_string(ret_code_descript, ret);
+ printf(")\n"
"-p timeconstant: %ld\n"
" precision: %ld\n"
" tolerance: %ld\n"
txc.precision, txc.tolerance, txc.tick,
(long)txc.time.tv_sec, (long)txc.time.tv_usec, ret, descript);
}
- return (ret<0);
+
+ return 0;
}
projects / platform / upstream / busybox.git / blobdiff