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| author | Sami Kerola | 2016-06-19 22:43:40 +0200 |
|---|---|---|
| committer | Sami Kerola | 2016-06-26 22:58:18 +0200 |
| commit | c1616946825e7f4ae9769e2846e9ad63a7ba369c (patch) | |
| tree | e13a75af86ebbed9210c563a22fa55a3cc59b63d /lib/timeutils.c | |
| parent | utmpdump: use always UTC-0 timezone in textual output (diff) | |
| download | kernel-qcow2-util-linux-c1616946825e7f4ae9769e2846e9ad63a7ba369c.tar.gz kernel-qcow2-util-linux-c1616946825e7f4ae9769e2846e9ad63a7ba369c.tar.xz kernel-qcow2-util-linux-c1616946825e7f4ae9769e2846e9ad63a7ba369c.zip | |
libcommon: add ISO_8601_GMTIME that will print UTC-0 timestamps
When timestamps are intented to be conversable back from string to binary it
is best to stick with UTC-0 timezone. This is needed in utmpdump(1).
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'lib/timeutils.c')
| -rw-r--r-- | lib/timeutils.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/timeutils.c b/lib/timeutils.c index 25a163e41..fd9aa3e2e 100644 --- a/lib/timeutils.c +++ b/lib/timeutils.c @@ -396,7 +396,12 @@ static int format_iso_time(struct tm *tm, suseconds_t usec, int flags, char *buf /* timeval to ISO 8601 */ int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz) { - struct tm tm = *localtime(&tv->tv_sec); + struct tm tm; + + if (flags & ISO_8601_GMTIME) + tm = *gmtime(&tv->tv_sec); + else + tm = *localtime(&tv->tv_sec); return format_iso_time(&tm, tv->tv_usec, flags, buf, bufsz); } @@ -409,7 +414,12 @@ int strtm_iso(struct tm *tm, int flags, char *buf, size_t bufsz) /* time_t to ISO 8601 */ int strtime_iso(const time_t *t, int flags, char *buf, size_t bufsz) { - struct tm tm = *localtime(t); + struct tm tm; + + if (flags & ISO_8601_GMTIME) + tm = *gmtime(t); + else + tm = *localtime(t); return format_iso_time(&tm, 0, flags, buf, bufsz); } |