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Diffstat (limited to 'src/basic/calendarspec.c')
-rw-r--r--src/basic/calendarspec.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/basic/calendarspec.c b/src/basic/calendarspec.c
index 2e5622699d..3fa1c51ace 100644
--- a/src/basic/calendarspec.c
+++ b/src/basic/calendarspec.c
@@ -1020,7 +1020,7 @@ static int find_end_of_month(struct tm *tm, bool utc, int day) {
t.tm_mon++;
t.tm_mday = 1 - day;
- if (mktime_or_timegm(&t, utc) == (time_t) -1 ||
+ if (mktime_or_timegm(&t, utc) < 0 ||
t.tm_mon != tm->tm_mon)
return -1;
@@ -1086,7 +1086,7 @@ static bool tm_out_of_bounds(const struct tm *tm, bool utc) {
t = *tm;
- if (mktime_or_timegm(&t, utc) == (time_t) -1)
+ if (mktime_or_timegm(&t, utc) < 0)
return true;
/*
@@ -1115,7 +1115,7 @@ static bool matches_weekday(int weekdays_bits, const struct tm *tm, bool utc) {
return true;
t = *tm;
- if (mktime_or_timegm(&t, utc) == (time_t) -1)
+ if (mktime_or_timegm(&t, utc) < 0)
return false;
k = t.tm_wday == 0 ? 6 : t.tm_wday - 1;
@@ -1228,6 +1228,9 @@ int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next)
assert(spec);
assert(next);
+ if (usec > USEC_TIMESTAMP_FORMATTABLE_MAX)
+ return -EINVAL;
+
usec++;
t = (time_t) (usec / USEC_PER_SEC);
assert_se(localtime_or_gmtime_r(&t, &tm, spec->utc));
@@ -1238,7 +1241,7 @@ int calendar_spec_next_usec(const CalendarSpec *spec, usec_t usec, usec_t *next)
return r;
t = mktime_or_timegm(&tm, spec->utc);
- if (t == (time_t) -1)
+ if (t < 0)
return -EINVAL;
*next = (usec_t) t * USEC_PER_SEC + tm_usec;