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* time.c (calc_tm_yday): extracted from timegmw_noleapsecond.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2010-06-09 13:13:44 +00:00
parent b5f7766f72
commit 2a1d97cc1f
2 changed files with 23 additions and 5 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Jun 9 22:13:08 2010 Tanaka Akira <akr@fsij.org>
* time.c (calc_tm_yday): extracted from timegmw_noleapsecond.
Tue Jun 8 06:27:09 2010 Nobuyoshi Nakada <nobu@ruby-lang.org> Tue Jun 8 06:27:09 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* gem_prelude.rb: load full rubygems at LoadError for activation * gem_prelude.rb: load full rubygems at LoadError for activation

24
time.c
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@ -30,6 +30,7 @@ static ID id_eq, id_ne, id_quo, id_div, id_cmp, id_lshift;
#define NDIV(x,y) (-(-((x)+1)/(y))-1) #define NDIV(x,y) (-(-((x)+1)/(y))-1)
#define NMOD(x,y) ((y)-(-((x)+1)%(y))-1) #define NMOD(x,y) ((y)-(-((x)+1)%(y))-1)
#define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d)) #define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d))
#define MOD(n,d) ((n)<0 ? NMOD((n),(d)) : (n)%(d))
static int static int
eq(VALUE x, VALUE y) eq(VALUE x, VALUE y)
@ -933,13 +934,29 @@ static const int leap_year_days_in_month[] = {
31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
}; };
static int
calc_tm_yday(long tm_year, int tm_mon, int tm_mday)
{
int tm_year_mod400;
int tm_yday = tm_mday;
tm_year_mod400 = MOD(tm_year, 400);
if (leap_year_p(tm_year_mod400 + 1900))
tm_yday += leap_year_yday_offset[tm_mon];
else
tm_yday += common_year_yday_offset[tm_mon];
return tm_yday;
}
static wideval_t static wideval_t
timegmw_noleapsecond(struct vtm *vtm) timegmw_noleapsecond(struct vtm *vtm)
{ {
VALUE year1900; VALUE year1900;
VALUE q400, r400; VALUE q400, r400;
int year_mod400; int year_mod400;
int yday = vtm->mday; int yday;
long days_in400; long days_in400;
VALUE vdays, ret; VALUE vdays, ret;
wideval_t wret; wideval_t wret;
@ -949,10 +966,7 @@ timegmw_noleapsecond(struct vtm *vtm)
divmodv(year1900, INT2FIX(400), &q400, &r400); divmodv(year1900, INT2FIX(400), &q400, &r400);
year_mod400 = NUM2INT(r400); year_mod400 = NUM2INT(r400);
if (leap_year_p(year_mod400 + 1900)) yday = calc_tm_yday(year_mod400, vtm->mon-1, vtm->mday);
yday += leap_year_yday_offset[vtm->mon-1];
else
yday += common_year_yday_offset[vtm->mon-1];
/* /*
* `Seconds Since the Epoch' in SUSv3: * `Seconds Since the Epoch' in SUSv3: