treat time_t as unsigned time
diff --git a/src/core/ngx_times.c b/src/core/ngx_times.c
index 949e0c6..1ba1210 100644
--- a/src/core/ngx_times.c
+++ b/src/core/ngx_times.c
@@ -203,18 +203,21 @@
void
ngx_gmtime(time_t t, ngx_tm_t *tp)
{
- ngx_int_t sec, min, hour, mday, mon, year, wday, yday, days;
+ ngx_uint_t n, sec, min, hour, mday, mon, year, wday, yday, days;
- days = (ngx_int_t) (t / 86400);
+ /* the calculation is valid for positive time_t only */
+ n = (ngx_uint_t) t;
+
+ days = n / 86400;
/* Jaunary 1, 1970 was Thursday */
wday = (4 + days) % 7;
- t %= 86400;
- hour = (ngx_int_t) (t / 3600);
- t %= 3600;
- min = (ngx_int_t) (t / 60);
- sec = (ngx_int_t) (t % 60);
+ n %= 86400;
+ hour = n / 3600;
+ n %= 3600;
+ min = n / 60;
+ sec = n % 60;
/* the algorithm based on Gauss's formula */
