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-rw-r--r--src/utils.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c
index 4300b59..50f2507 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -418,6 +418,30 @@ time_t utcdate2sec(struct date day, unsigned hour, unsigned min)
return t;
}
+/* Compare two dates (without comparing times). */
+int date_cmp_day(time_t d1, time_t d2)
+{
+ struct tm lt1, lt2;
+
+ localtime_r((time_t *)&d1, &lt1);
+ localtime_r((time_t *)&d2, &lt2);
+
+ if (lt1.tm_year < lt2.tm_year)
+ return -1;
+ if (lt1.tm_year > lt2.tm_year)
+ return 1;
+ if (lt1.tm_mon < lt2.tm_mon)
+ return -1;
+ if (lt1.tm_mon > lt2.tm_mon)
+ return 1;
+ if (lt1.tm_mday < lt2.tm_mday)
+ return -1;
+ if (lt1.tm_mday > lt2.tm_mday)
+ return 1;
+
+ return 0;
+}
+
/* Return a string containing the date, given a date in seconds. */
char *date_sec2date_str(long sec, const char *datefmt)
{