along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <time.h>
#include <string.h>
-#include <sys/timex.h>
#include <sys/timerfd.h>
+#include <sys/timex.h>
-#include "util.h"
-#include "time-util.h"
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "fs-util.h"
+#include "path-util.h"
+#include "string-util.h"
#include "strv.h"
+#include "time-util.h"
+#include "util.h"
usec_t now(clockid_t clock_id) {
struct timespec ts;
return timespec_load(&ts);
}
+nsec_t now_nsec(clockid_t clock_id) {
+ struct timespec ts;
+
+ assert_se(clock_gettime(clock_id, &ts) == 0);
+
+ return timespec_load_nsec(&ts);
+}
+
dual_timestamp* dual_timestamp_get(dual_timestamp *ts) {
assert(ts);
return ts;
}
+dual_timestamp* dual_timestamp_from_boottime_or_monotonic(dual_timestamp *ts, usec_t u) {
+ int64_t delta;
+
+ if (u == USEC_INFINITY) {
+ ts->realtime = ts->monotonic = USEC_INFINITY;
+ return ts;
+ }
+ ts->realtime = now(CLOCK_REALTIME);
+ ts->monotonic = now(CLOCK_MONOTONIC);
+
+ delta = (int64_t) now(clock_boottime_or_monotonic()) - (int64_t) u;
+
+ if ((int64_t) ts->realtime > delta)
+ ts->realtime -= delta;
+ else
+ ts->realtime = 0;
+
+ if ((int64_t) ts->monotonic > delta)
+ ts->monotonic -= delta;
+ else
+ ts->monotonic = 0;
+
+ return ts;
+}
+
+
usec_t timespec_load(const struct timespec *ts) {
assert(ts);
(usec_t) ts->tv_nsec / NSEC_PER_USEC;
}
+nsec_t timespec_load_nsec(const struct timespec *ts) {
+ assert(ts);
+
+ if (ts->tv_sec == (time_t) -1 &&
+ ts->tv_nsec == (long) -1)
+ return NSEC_INFINITY;
+
+ return
+ (nsec_t) ts->tv_sec * NSEC_PER_SEC +
+ (nsec_t) ts->tv_nsec;
+}
+
struct timespec *timespec_store(struct timespec *ts, usec_t u) {
assert(ts);
return NULL;
sec = (time_t) (t / USEC_PER_SEC);
+ localtime_or_gmtime_r(&sec, &tm, utc);
- if (utc)
- gmtime_r(&sec, &tm);
- else
- localtime_r(&sec, &tm);
if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S %Z", &tm) <= 0)
return NULL;
return NULL;
sec = (time_t) (t / USEC_PER_SEC);
- if (utc)
- gmtime_r(&sec, &tm);
- else
- localtime_r(&sec, &tm);
+ localtime_or_gmtime_r(&sec, &tm, utc);
if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S", &tm) <= 0)
return NULL;
};
const char *k;
+ const char *utc;
struct tm tm, copy;
time_t x;
- usec_t plus = 0, minus = 0, ret;
+ usec_t x_usec, plus = 0, minus = 0, ret;
int r, weekday = -1;
unsigned i;
assert(t);
assert(usec);
- x = time(NULL);
- assert_se(localtime_r(&x, &tm));
- tm.tm_isdst = -1;
-
- if (streq(t, "now"))
- goto finish;
-
- else if (streq(t, "today")) {
- tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
- goto finish;
+ if (t[0] == '@')
+ return parse_sec(t + 1, usec);
- } else if (streq(t, "yesterday")) {
- tm.tm_mday --;
- tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
- goto finish;
+ ret = now(CLOCK_REALTIME);
- } else if (streq(t, "tomorrow")) {
- tm.tm_mday ++;
- tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
+ if (streq(t, "now"))
goto finish;
- } else if (t[0] == '+') {
+ else if (t[0] == '+') {
r = parse_sec(t+1, &plus);
if (r < 0)
return r;
goto finish;
- } else if (t[0] == '@')
- return parse_sec(t + 1, usec);
-
- else if (endswith(t, " ago")) {
- _cleanup_free_ char *z;
+ } else if ((k = endswith(t, " ago"))) {
+ t = strndupa(t, k - t);
- z = strndup(t, strlen(t) - 4);
- if (!z)
- return -ENOMEM;
-
- r = parse_sec(z, &minus);
+ r = parse_sec(t, &minus);
if (r < 0)
return r;
goto finish;
- } else if (endswith(t, " left")) {
- _cleanup_free_ char *z;
- z = strndup(t, strlen(t) - 4);
- if (!z)
- return -ENOMEM;
+ } else if ((k = endswith(t, " left"))) {
+ t = strndupa(t, k - t);
- r = parse_sec(z, &plus);
+ r = parse_sec(t, &plus);
if (r < 0)
return r;
goto finish;
}
+ utc = endswith_no_case(t, " UTC");
+ if (utc)
+ t = strndupa(t, utc - t);
+
+ x = ret / USEC_PER_SEC;
+ x_usec = 0;
+
+ assert_se(localtime_or_gmtime_r(&x, &tm, utc));
+ tm.tm_isdst = -1;
+
+ if (streq(t, "today")) {
+ tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
+ goto from_tm;
+
+ } else if (streq(t, "yesterday")) {
+ tm.tm_mday --;
+ tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
+ goto from_tm;
+
+ } else if (streq(t, "tomorrow")) {
+ tm.tm_mday ++;
+ tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
+ goto from_tm;
+ }
+
+
for (i = 0; i < ELEMENTSOF(day_nr); i++) {
size_t skip;
copy = tm;
k = strptime(t, "%y-%m-%d %H:%M:%S", &tm);
- if (k && *k == 0)
- goto finish;
+ if (k) {
+ if (*k == '.')
+ goto parse_usec;
+ else if (*k == 0)
+ goto from_tm;
+ }
tm = copy;
k = strptime(t, "%Y-%m-%d %H:%M:%S", &tm);
- if (k && *k == 0)
- goto finish;
+ if (k) {
+ if (*k == '.')
+ goto parse_usec;
+ else if (*k == 0)
+ goto from_tm;
+ }
tm = copy;
k = strptime(t, "%y-%m-%d %H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
- goto finish;
+ goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d %H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
- goto finish;
+ goto from_tm;
}
tm = copy;
k = strptime(t, "%y-%m-%d", &tm);
if (k && *k == 0) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
- goto finish;
+ goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d", &tm);
if (k && *k == 0) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
- goto finish;
+ goto from_tm;
}
tm = copy;
k = strptime(t, "%H:%M:%S", &tm);
- if (k && *k == 0)
- goto finish;
+ if (k) {
+ if (*k == '.')
+ goto parse_usec;
+ else if (*k == 0)
+ goto from_tm;
+ }
tm = copy;
k = strptime(t, "%H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
- goto finish;
+ goto from_tm;
}
return -EINVAL;
-finish:
- x = mktime(&tm);
+parse_usec:
+ {
+ char *end;
+ unsigned long long val;
+ size_t l;
+
+ k++;
+ if (*k < '0' || *k > '9')
+ return -EINVAL;
+
+ /* base 10 instead of base 0, .09 is not base 8 */
+ errno = 0;
+ val = strtoull(k, &end, 10);
+ if (*end || errno)
+ return -EINVAL;
+
+ l = end-k;
+
+ /* val has l digits, make them 6 */
+ for (; l < 6; l++)
+ val *= 10;
+ for (; l > 6; l--)
+ val /= 10;
+
+ x_usec = val;
+ }
+
+from_tm:
+ x = mktime_or_timegm(&tm, utc);
if (x == (time_t) -1)
return -EINVAL;
if (weekday >= 0 && tm.tm_wday != weekday)
return -EINVAL;
- ret = (usec_t) x * USEC_PER_SEC;
+ ret = (usec_t) x * USEC_PER_SEC + x_usec;
+finish:
ret += plus;
if (ret > minus)
ret -= minus;
const char *p, *t;
struct stat st;
- if (!name || *name == 0 || *name == '/')
+ if (isempty(name))
+ return false;
+
+ if (name[0] == '/')
return false;
for (p = name; *p; p++) {
return clock;
}
+
+int get_timezone(char **tz) {
+ _cleanup_free_ char *t = NULL;
+ const char *e;
+ char *z;
+ int r;
+
+ r = readlink_malloc("/etc/localtime", &t);
+ if (r < 0)
+ return r; /* returns EINVAL if not a symlink */
+
+ e = path_startswith(t, "/usr/share/zoneinfo/");
+ if (!e)
+ e = path_startswith(t, "../usr/share/zoneinfo/");
+ if (!e)
+ return -EINVAL;
+
+ if (!timezone_is_valid(e))
+ return -EINVAL;
+
+ z = strdup(e);
+ if (!z)
+ return -ENOMEM;
+
+ *tz = z;
+ return 0;
+}
+
+time_t mktime_or_timegm(struct tm *tm, bool utc) {
+ return utc ? timegm(tm) : mktime(tm);
+}
+
+struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc) {
+ return utc ? gmtime_r(t, tm) : localtime_r(t, tm);
+}
projects / thirdparty / systemd.git / blobdiff