diff options
Diffstat (limited to 'src/basic')
-rw-r--r-- | src/basic/calendarspec.c | 35 | ||||
-rw-r--r-- | src/basic/calendarspec.h | 1 | ||||
-rw-r--r-- | src/basic/time-util.c | 161 | ||||
-rw-r--r-- | src/basic/time-util.h | 6 |
4 files changed, 130 insertions, 73 deletions
diff --git a/src/basic/calendarspec.c b/src/basic/calendarspec.c index 2dcc9c5575..a2296f4709 100644 --- a/src/basic/calendarspec.c +++ b/src/basic/calendarspec.c @@ -279,6 +279,9 @@ int calendar_spec_to_string(const CalendarSpec *c, char **p) { fputc(':', f); format_chain(f, 2, c->second); + if (c->utc) + fputs(" UTC", f); + r = fflush_and_check(f); if (r < 0) { free(buf); @@ -657,6 +660,10 @@ int calendar_spec_from_string(const char *p, CalendarSpec **spec) { if (!c) return -ENOMEM; + c->utc = endswith_no_case(p, "UTC"); + if (c->utc) + p = strndupa(p, strlen(p) - strlen(" UTC")); + if (strcaseeq(p, "minutely")) { r = const_chain(0, &c->second); if (r < 0) @@ -859,13 +866,13 @@ static int find_matching_component(const CalendarComponent *c, int *val) { return r; } -static bool tm_out_of_bounds(const struct tm *tm) { +static bool tm_out_of_bounds(const struct tm *tm, bool utc) { struct tm t; assert(tm); t = *tm; - if (mktime(&t) == (time_t) -1) + if (mktime_or_timegm(&t, utc) == (time_t) -1) return true; /* Did any normalization take place? If so, it was out of bounds before */ @@ -878,7 +885,7 @@ static bool tm_out_of_bounds(const struct tm *tm) { t.tm_sec != tm->tm_sec; } -static bool matches_weekday(int weekdays_bits, const struct tm *tm) { +static bool matches_weekday(int weekdays_bits, const struct tm *tm, bool utc) { struct tm t; int k; @@ -886,7 +893,7 @@ static bool matches_weekday(int weekdays_bits, const struct tm *tm) { return true; t = *tm; - if (mktime(&t) == (time_t) -1) + if (mktime_or_timegm(&t, utc) == (time_t) -1) return false; k = t.tm_wday == 0 ? 6 : t.tm_wday - 1; @@ -904,7 +911,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm) { for (;;) { /* Normalize the current date */ - mktime(&c); + mktime_or_timegm(&c, spec->utc); c.tm_isdst = -1; c.tm_year += 1900; @@ -916,7 +923,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm) { c.tm_mday = 1; c.tm_hour = c.tm_min = c.tm_sec = 0; } - if (r < 0 || tm_out_of_bounds(&c)) + if (r < 0 || tm_out_of_bounds(&c, spec->utc)) return r; c.tm_mon += 1; @@ -927,7 +934,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm) { c.tm_mday = 1; c.tm_hour = c.tm_min = c.tm_sec = 0; } - if (r < 0 || tm_out_of_bounds(&c)) { + if (r < 0 || tm_out_of_bounds(&c, spec->utc)) { c.tm_year ++; c.tm_mon = 0; c.tm_mday = 1; @@ -938,14 +945,14 @@ static int find_next(const CalendarSpec *spec, struct tm *tm) { r = find_matching_component(spec->day, &c.tm_mday); if (r > 0) c.tm_hour = c.tm_min = c.tm_sec = 0; - if (r < 0 || tm_out_of_bounds(&c)) { + if (r < 0 || tm_out_of_bounds(&c, spec->utc)) { c.tm_mon ++; c.tm_mday = 1; c.tm_hour = c.tm_min = c.tm_sec = 0; continue; } - if (!matches_weekday(spec->weekdays_bits, &c)) { + if (!matches_weekday(spec->weekdays_bits, &c, spec->utc)) { c.tm_mday++; c.tm_hour = c.tm_min = c.tm_sec = 0; continue; @@ -954,7 +961,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm) { r = find_matching_component(spec->hour, &c.tm_hour); if (r > 0) c.tm_min = c.tm_sec = 0; - if (r < 0 || tm_out_of_bounds(&c)) { + if (r < 0 || tm_out_of_bounds(&c, spec->utc)) { c.tm_mday ++; c.tm_hour = c.tm_min = c.tm_sec = 0; continue; @@ -963,14 +970,14 @@ static int find_next(const CalendarSpec *spec, struct tm *tm) { r = find_matching_component(spec->minute, &c.tm_min); if (r > 0) c.tm_sec = 0; - if (r < 0 || tm_out_of_bounds(&c)) { + if (r < 0 || tm_out_of_bounds(&c, spec->utc)) { c.tm_hour ++; c.tm_min = c.tm_sec = 0; continue; } r = find_matching_component(spec->second, &c.tm_sec); - if (r < 0 || tm_out_of_bounds(&c)) { + if (r < 0 || tm_out_of_bounds(&c, spec->utc)) { c.tm_min ++; c.tm_sec = 0; continue; @@ -991,13 +998,13 @@ int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next) assert(next); t = (time_t) (usec / USEC_PER_SEC) + 1; - assert_se(localtime_r(&t, &tm)); + assert_se(localtime_or_gmtime_r(&t, &tm, spec->utc)); r = find_next(spec, &tm); if (r < 0) return r; - t = mktime(&tm); + t = mktime_or_timegm(&tm, spec->utc); if (t == (time_t) -1) return -EINVAL; diff --git a/src/basic/calendarspec.h b/src/basic/calendarspec.h index 7baf318249..56dc02f391 100644 --- a/src/basic/calendarspec.h +++ b/src/basic/calendarspec.h @@ -36,6 +36,7 @@ typedef struct CalendarComponent { typedef struct CalendarSpec { int weekdays_bits; + bool utc; CalendarComponent *year; CalendarComponent *month; diff --git a/src/basic/time-util.c b/src/basic/time-util.c index 531931f6e1..d4e0914b27 100644 --- a/src/basic/time-util.c +++ b/src/basic/time-util.c @@ -19,7 +19,6 @@ 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> @@ -205,11 +204,8 @@ static char *format_timestamp_internal(char *buf, size_t l, usec_t t, bool utc) 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; @@ -235,10 +231,7 @@ static char *format_timestamp_internal_us(char *buf, size_t l, usec_t t, bool ut 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; @@ -484,9 +477,10 @@ int parse_timestamp(const char *t, usec_t *usec) { }; const char *k; + bool 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; @@ -511,28 +505,15 @@ int parse_timestamp(const char *t, usec_t *usec) { 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; @@ -546,35 +527,51 @@ int parse_timestamp(const char *t, usec_t *usec) { goto finish; - } else if (t[0] == '@') - return parse_sec(t + 1, usec); - - else if (endswith(t, " ago")) { - _cleanup_free_ char *z; - - z = strndup(t, strlen(t) - 4); - if (!z) - return -ENOMEM; + } else if (endswith(t, " ago")) { + t = strndupa(t, strlen(t) - strlen(" ago")); - 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 (endswith(t, " left")) { + t = strndupa(t, strlen(t) - strlen(" left")); - 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, strlen(t) - strlen(" UTC")); + + 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; @@ -592,66 +589,106 @@ int parse_timestamp(const char *t, usec_t *usec) { 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; @@ -1072,3 +1109,11 @@ int get_timezone(char **tz) { *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); +} diff --git a/src/basic/time-util.h b/src/basic/time-util.h index 1af01541fc..417376ea96 100644 --- a/src/basic/time-util.h +++ b/src/basic/time-util.h @@ -21,8 +21,9 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include <stdio.h> #include <inttypes.h> +#include <stdio.h> +#include <time.h> typedef uint64_t usec_t; typedef uint64_t nsec_t; @@ -117,3 +118,6 @@ clockid_t clock_boottime_or_monotonic(void); "xstrftime: " #buf "[] must be big enough") int get_timezone(char **timezone); + +time_t mktime_or_timegm(struct tm *tm, bool utc); +struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc); |