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adjtimex: make its help text and printed data a bit less cryptic

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2014-04-17 11:29:34 +02:00
parent eb9f485b07
commit e152cb8189
1 changed files with 12 additions and 13 deletions
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25
miscutils/adjtimex.c
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@ -14,12 +14,12 @@
//usage:#define adjtimex_trivial_usage //usage:#define adjtimex_trivial_usage
//usage: "[-q] [-o OFF] [-f FREQ] [-p TCONST] [-t TICK]" //usage: "[-q] [-o OFF] [-f FREQ] [-p TCONST] [-t TICK]"
//usage:#define adjtimex_full_usage "\n\n" //usage:#define adjtimex_full_usage "\n\n"
//usage: "Read and optionally set system timebase parameters. See adjtimex(2)\n" //usage: "Read or set kernel time variables. See adjtimex(2)\n"
//usage: "\n -q Quiet" //usage: "\n -q Quiet"
//usage: "\n -o OFF Time offset, microseconds" //usage: "\n -o OFF Time offset, microseconds"
//usage: "\n -f FREQ Frequency adjust, integer kernel units (65536 is 1ppm)" //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 -t TICK Microseconds per tick, usually 10000"
//usage: "\n (positive -t or -f values make clock run faster)"
//usage: "\n -p TCONST" //usage: "\n -p TCONST"
#include "libbb.h" #include "libbb.h"
@ -111,13 +111,13 @@ int adjtimex_main(int argc UNUSED_PARAM, char **argv)
} }
if (!(opt & OPT_quiet)) { if (!(opt & OPT_quiet)) {
int sep; const char *sep;
const char *name; const char *name;
printf( printf(
" mode: %d\n" " mode: %d\n"
"-o offset: %ld\n" "-o offset: %ld us\n"
"-f frequency: %ld\n" "-f freq.adjust: %ld (65536 = 1ppm)\n"
" maxerror: %ld\n" " maxerror: %ld\n"
" esterror: %ld\n" " esterror: %ld\n"
" status: %d (", " status: %d (",
@ -125,15 +125,14 @@ int adjtimex_main(int argc UNUSED_PARAM, char **argv)
txc.esterror, txc.status); txc.esterror, txc.status);
/* representative output of next code fragment: /* representative output of next code fragment:
"PLL | PPSTIME" */ * "PLL | PPSTIME"
*/
name = statlist_name; name = statlist_name;
sep = 0; sep = "";
for (i = 0; statlist_bit[i]; i++) { for (i = 0; statlist_bit[i]; i++) {
if (txc.status & statlist_bit[i]) { if (txc.status & statlist_bit[i]) {
if (sep) printf("%s%s", sep, name);
fputs(" | ", stdout); sep = " | ";
fputs(name, stdout);
sep = 1;
} }
name += strlen(name) + 1; name += strlen(name) + 1;
} }
@ -143,9 +142,9 @@ int adjtimex_main(int argc UNUSED_PARAM, char **argv)
descript = nth_string(ret_code_descript, ret); descript = nth_string(ret_code_descript, ret);
printf(")\n" printf(")\n"
"-p timeconstant: %ld\n" "-p timeconstant: %ld\n"
" precision: %ld\n" " precision: %ld us\n"
" tolerance: %ld\n" " tolerance: %ld\n"
"-t tick: %ld\n" "-t tick: %ld us\n"
" time.tv_sec: %ld\n" " time.tv_sec: %ld\n"
" time.tv_usec: %ld\n" " time.tv_usec: %ld\n"
" return value: %d (%s)\n", " return value: %d (%s)\n",