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treat time_t as unsigned time

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This commit is contained in:
Igor Sysoev 2008-01-31 15:14:31 +00:00
parent c20d3769bc
commit ac5deaa906
1 changed files with 10 additions and 7 deletions
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17
src/core/ngx_times.c
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@ -203,18 +203,21 @@ ngx_http_cookie_time(u_char *buf, time_t t)
void void
ngx_gmtime(time_t t, ngx_tm_t *tp) 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 */ /* Jaunary 1, 1970 was Thursday */
wday = (4 + days) % 7; wday = (4 + days) % 7;
t %= 86400; n %= 86400;
hour = (ngx_int_t) (t / 3600); hour = n / 3600;
t %= 3600; n %= 3600;
min = (ngx_int_t) (t / 60); min = n / 60;
sec = (ngx_int_t) (t % 60); sec = n % 60;
/* the algorithm based on Gauss's formula */ /* the algorithm based on Gauss's formula */