diff options
| author | Job Snijders <job@cvs.openbsd.org> | 2022-06-29 16:01:11 +0000 |
|---|---|---|
| committer | Job Snijders <job@cvs.openbsd.org> | 2022-06-29 16:01:11 +0000 |
| commit | 807ae731e16b2e9e2e305accb8760e237586b086 (patch) | |
| tree | 190b603ec59e96122e2e67cbbd5c46708d7eade6 /usr.bin | |
| parent | a6279a34e923fa6342aa55dd1d1dfe0bbde5bdc1 (diff) | |
Add -m option to ts(1)
OK claudio@
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/ts/ts.1 | 9 | ||||
| -rw-r--r-- | usr.bin/ts/ts.c | 36 |
2 files changed, 33 insertions, 12 deletions
diff --git a/usr.bin/ts/ts.1 b/usr.bin/ts/ts.1 index 62dd7f9fbe4..c40ab039b32 100644 --- a/usr.bin/ts/ts.1 +++ b/usr.bin/ts/ts.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ts.1,v 1.1 2022/06/29 08:39:49 job Exp $ +.\" $OpenBSD: ts.1,v 1.2 2022/06/29 16:01:10 job Exp $ .\" .\" Copyright (c) 2022 Job Snijders <job@openbsd.org> .\" @@ -23,6 +23,7 @@ .Sh SYNOPSIS .Nm ts .Op Fl i | s +.Op Fl m .Op Ar format .Sh DESCRIPTION When invoked, the @@ -33,6 +34,12 @@ The options are as follows: .Bl -tag -width Ds .It Fl i Display time elapsed since the last timestamp. +.It Fl m +Display timestamps derived from a strictly linearly increasing clock. +Without +.Fl m , +timestamps reflect the current date and time, including time jumps if the +system time is changed. .It Fl s Display time elapsed since the start of the program. .El diff --git a/usr.bin/ts/ts.c b/usr.bin/ts/ts.c index 9d6b06d9c2c..d2067e48d68 100644 --- a/usr.bin/ts/ts.c +++ b/usr.bin/ts/ts.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ts.c,v 1.1 2022/06/29 08:39:49 job Exp $ */ +/* $OpenBSD: ts.c,v 1.2 2022/06/29 16:01:10 job Exp $ */ /* * Copyright (c) 2022 Job Snijders <job@openbsd.org> * Copyright (c) 2022 Claudio Jeker <claudio@openbsd.org> @@ -38,25 +38,32 @@ static void __dead usage(void); int main(int argc, char *argv[]) { - int iflag, sflag; + int iflag, mflag, sflag; int ch, prev; - struct timespec start, now, elapsed; + struct timespec rstart, start, now, elapsed; struct tm *lt, tm; + int clock = CLOCK_REALTIME; if (pledge("stdio", NULL) == -1) err(1, "pledge"); - iflag = sflag = 0; + iflag = mflag = sflag = 0; - while ((ch = getopt(argc, argv, "is")) != -1) { + while ((ch = getopt(argc, argv, "ims")) != -1) { switch (ch) { case 'i': iflag = 1; format = "%H:%M:%S"; + clock = CLOCK_MONOTONIC; + break; + case 'm': + mflag = 1; + clock = CLOCK_MONOTONIC; break; case 's': sflag = 1; format = "%H:%M:%S"; + clock = CLOCK_MONOTONIC; break; default: usage(); @@ -81,22 +88,29 @@ main(int argc, char *argv[]) if ((outbuf = calloc(1, bufsize)) == NULL) err(1, NULL); + clock_gettime(CLOCK_REALTIME, &rstart); clock_gettime(CLOCK_MONOTONIC, &start); for (prev = '\n'; (ch = getchar()) != EOF; prev = ch) { if (prev == '\n') { + if (clock_gettime(clock, &now)) + err(1, "clock_gettime"); if (iflag || sflag) { - if (clock_gettime(CLOCK_MONOTONIC, &now)) - err(1, "clock_gettime"); timespecsub(&now, &start, &elapsed); if (gmtime_r(&elapsed.tv_sec, &tm) == NULL) err(1, "gmtime_r"); if (iflag) - clock_gettime(CLOCK_MONOTONIC, &start); + if (clock_gettime(clock, &start)) + err(1, "clock_gettime"); fmtfmt(&tm, elapsed.tv_nsec); + } else if (mflag) { + timespecsub(&now, &start, &elapsed); + timespecadd(&rstart, &elapsed, &now); + lt = localtime(&now.tv_sec); + if (lt == NULL) + err(1, "localtime"); + fmtfmt(lt, now.tv_nsec); } else { - if (clock_gettime(CLOCK_REALTIME, &now)) - err(1, "clock_gettime"); lt = localtime(&now.tv_sec); if (lt == NULL) err(1, "localtime"); @@ -115,7 +129,7 @@ main(int argc, char *argv[]) static void __dead usage(void) { - fprintf(stderr, "usage: %s [-i | -s] [format]\n", getprogname()); + fprintf(stderr, "usage: %s [-i | -s] [-m] [format]\n", getprogname()); exit(1); } |