/********************************************************************** time.c - $Author$ created at: Tue Dec 28 14:31:59 JST 1993 Copyright (C) 1993-2007 Yukihiro Matsumoto **********************************************************************/ #define _DEFAULT_SOURCE #define _BSD_SOURCE #include "ruby/internal/config.h" #include #include #include #include #include #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #if defined(HAVE_SYS_TIME_H) # include #endif #include "id.h" #include "internal.h" #include "internal/array.h" #include "internal/hash.h" #include "internal/compar.h" #include "internal/numeric.h" #include "internal/rational.h" #include "internal/string.h" #include "internal/time.h" #include "internal/variable.h" #include "ruby/encoding.h" #include "timev.h" #include "builtin.h" static ID id_submicro, id_nano_num, id_nano_den, id_offset, id_zone; static ID id_nanosecond, id_microsecond, id_millisecond, id_nsec, id_usec; static ID id_local_to_utc, id_utc_to_local, id_find_timezone; static ID id_year, id_mon, id_mday, id_hour, id_min, id_sec, id_isdst; static VALUE str_utc, str_empty; // used by deconstruct_keys static VALUE sym_year, sym_month, sym_day, sym_yday, sym_wday; static VALUE sym_hour, sym_min, sym_sec, sym_subsec, sym_dst, sym_zone; #define id_quo idQuo #define id_div idDiv #define id_divmod idDivmod #define id_name idName #define UTC_ZONE Qundef #define NDIV(x,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 MOD(n,d) ((n)<0 ? NMOD((n),(d)) : (n)%(d)) #define VTM_WDAY_INITVAL (7) #define VTM_ISDST_INITVAL (3) static int eq(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { return x == y; } return RTEST(rb_funcall(x, idEq, 1, y)); } static int cmp(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { if ((long)x < (long)y) return -1; if ((long)x > (long)y) return 1; return 0; } if (RB_BIGNUM_TYPE_P(x)) return FIX2INT(rb_big_cmp(x, y)); return rb_cmpint(rb_funcall(x, idCmp, 1, y), x, y); } #define ne(x,y) (!eq((x),(y))) #define lt(x,y) (cmp((x),(y)) < 0) #define gt(x,y) (cmp((x),(y)) > 0) #define le(x,y) (cmp((x),(y)) <= 0) #define ge(x,y) (cmp((x),(y)) >= 0) static VALUE addv(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { return LONG2NUM(FIX2LONG(x) + FIX2LONG(y)); } if (RB_BIGNUM_TYPE_P(x)) return rb_big_plus(x, y); return rb_funcall(x, '+', 1, y); } static VALUE subv(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { return LONG2NUM(FIX2LONG(x) - FIX2LONG(y)); } if (RB_BIGNUM_TYPE_P(x)) return rb_big_minus(x, y); return rb_funcall(x, '-', 1, y); } static VALUE mulv(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { return rb_fix_mul_fix(x, y); } if (RB_BIGNUM_TYPE_P(x)) return rb_big_mul(x, y); return rb_funcall(x, '*', 1, y); } static VALUE divv(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { return rb_fix_div_fix(x, y); } if (RB_BIGNUM_TYPE_P(x)) return rb_big_div(x, y); return rb_funcall(x, id_div, 1, y); } static VALUE modv(VALUE x, VALUE y) { if (FIXNUM_P(y)) { if (FIX2LONG(y) == 0) rb_num_zerodiv(); if (FIXNUM_P(x)) return rb_fix_mod_fix(x, y); } if (RB_BIGNUM_TYPE_P(x)) return rb_big_modulo(x, y); return rb_funcall(x, '%', 1, y); } #define neg(x) (subv(INT2FIX(0), (x))) static VALUE quor(VALUE x, VALUE y) { if (FIXNUM_P(x) && FIXNUM_P(y)) { long a, b, c; a = FIX2LONG(x); b = FIX2LONG(y); if (b == 0) rb_num_zerodiv(); if (a == FIXNUM_MIN && b == -1) return LONG2NUM(-a); c = a / b; if (c * b == a) { return LONG2FIX(c); } } return rb_numeric_quo(x, y); } static VALUE quov(VALUE x, VALUE y) { VALUE ret = quor(x, y); if (RB_TYPE_P(ret, T_RATIONAL) && RRATIONAL(ret)->den == INT2FIX(1)) { ret = RRATIONAL(ret)->num; } return ret; } #define mulquov(x,y,z) (((y) == (z)) ? (x) : quov(mulv((x),(y)),(z))) static void divmodv(VALUE n, VALUE d, VALUE *q, VALUE *r) { VALUE tmp, ary; if (FIXNUM_P(d)) { if (FIX2LONG(d) == 0) rb_num_zerodiv(); if (FIXNUM_P(n)) { rb_fix_divmod_fix(n, d, q, r); return; } } tmp = rb_funcall(n, id_divmod, 1, d); ary = rb_check_array_type(tmp); if (NIL_P(ary)) { rb_raise(rb_eTypeError, "unexpected divmod result: into %"PRIsVALUE, rb_obj_class(tmp)); } *q = rb_ary_entry(ary, 0); *r = rb_ary_entry(ary, 1); } #if SIZEOF_LONG == 8 # define INT64toNUM(x) LONG2NUM(x) #elif defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 8 # define INT64toNUM(x) LL2NUM(x) #endif #if defined(HAVE_UINT64_T) && SIZEOF_LONG*2 <= SIZEOF_UINT64_T typedef uint64_t uwideint_t; typedef int64_t wideint_t; typedef uint64_t WIDEVALUE; typedef int64_t SIGNED_WIDEVALUE; # define WIDEVALUE_IS_WIDER 1 # define UWIDEINT_MAX UINT64_MAX # define WIDEINT_MAX INT64_MAX # define WIDEINT_MIN INT64_MIN # define FIXWINT_P(tv) ((tv) & 1) # define FIXWVtoINT64(tv) RSHIFT((SIGNED_WIDEVALUE)(tv), 1) # define INT64toFIXWV(wi) ((WIDEVALUE)((SIGNED_WIDEVALUE)(wi) << 1 | FIXNUM_FLAG)) # define FIXWV_MAX (((int64_t)1 << 62) - 1) # define FIXWV_MIN (-((int64_t)1 << 62)) # define FIXWVABLE(wi) (POSFIXWVABLE(wi) && NEGFIXWVABLE(wi)) # define WINT2FIXWV(i) WIDEVAL_WRAP(INT64toFIXWV(i)) # define FIXWV2WINT(w) FIXWVtoINT64(WIDEVAL_GET(w)) #else typedef unsigned long uwideint_t; typedef long wideint_t; typedef VALUE WIDEVALUE; typedef SIGNED_VALUE SIGNED_WIDEVALUE; # define WIDEVALUE_IS_WIDER 0 # define UWIDEINT_MAX ULONG_MAX # define WIDEINT_MAX LONG_MAX # define WIDEINT_MIN LONG_MIN # define FIXWINT_P(v) FIXNUM_P(v) # define FIXWV_MAX FIXNUM_MAX # define FIXWV_MIN FIXNUM_MIN # define FIXWVABLE(i) FIXABLE(i) # define WINT2FIXWV(i) WIDEVAL_WRAP(LONG2FIX(i)) # define FIXWV2WINT(w) FIX2LONG(WIDEVAL_GET(w)) #endif #define POSFIXWVABLE(wi) ((wi) < FIXWV_MAX+1) #define NEGFIXWVABLE(wi) ((wi) >= FIXWV_MIN) #define FIXWV_P(w) FIXWINT_P(WIDEVAL_GET(w)) #define MUL_OVERFLOW_FIXWV_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, FIXWV_MIN, FIXWV_MAX) /* #define STRUCT_WIDEVAL */ #ifdef STRUCT_WIDEVAL /* for type checking */ typedef struct { WIDEVALUE value; } wideval_t; static inline wideval_t WIDEVAL_WRAP(WIDEVALUE v) { wideval_t w = { v }; return w; } # define WIDEVAL_GET(w) ((w).value) #else typedef WIDEVALUE wideval_t; # define WIDEVAL_WRAP(v) (v) # define WIDEVAL_GET(w) (w) #endif #if WIDEVALUE_IS_WIDER static inline wideval_t wint2wv(wideint_t wi) { if (FIXWVABLE(wi)) return WINT2FIXWV(wi); else return WIDEVAL_WRAP(INT64toNUM(wi)); } # define WINT2WV(wi) wint2wv(wi) #else # define WINT2WV(wi) WIDEVAL_WRAP(LONG2NUM(wi)) #endif static inline VALUE w2v(wideval_t w) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(w)) return INT64toNUM(FIXWV2WINT(w)); return (VALUE)WIDEVAL_GET(w); #else return WIDEVAL_GET(w); #endif } #if WIDEVALUE_IS_WIDER static wideval_t v2w_bignum(VALUE v) { int sign; uwideint_t u; sign = rb_integer_pack(v, &u, 1, sizeof(u), 0, INTEGER_PACK_NATIVE_BYTE_ORDER); if (sign == 0) return WINT2FIXWV(0); else if (sign == -1) { if (u <= -FIXWV_MIN) return WINT2FIXWV(-(wideint_t)u); } else if (sign == +1) { if (u <= FIXWV_MAX) return WINT2FIXWV((wideint_t)u); } return WIDEVAL_WRAP(v); } #endif static inline wideval_t v2w(VALUE v) { if (RB_TYPE_P(v, T_RATIONAL)) { if (RRATIONAL(v)->den != LONG2FIX(1)) return WIDEVAL_WRAP(v); v = RRATIONAL(v)->num; } #if WIDEVALUE_IS_WIDER if (FIXNUM_P(v)) { return WIDEVAL_WRAP((WIDEVALUE)(SIGNED_WIDEVALUE)(long)v); } else if (RB_BIGNUM_TYPE_P(v) && rb_absint_size(v, NULL) <= sizeof(WIDEVALUE)) { return v2w_bignum(v); } #endif return WIDEVAL_WRAP(v); } static int weq(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(wx) && FIXWV_P(wy)) { return WIDEVAL_GET(wx) == WIDEVAL_GET(wy); } return RTEST(rb_funcall(w2v(wx), idEq, 1, w2v(wy))); #else return eq(WIDEVAL_GET(wx), WIDEVAL_GET(wy)); #endif } static int wcmp(wideval_t wx, wideval_t wy) { VALUE x, y; #if WIDEVALUE_IS_WIDER if (FIXWV_P(wx) && FIXWV_P(wy)) { wideint_t a, b; a = FIXWV2WINT(wx); b = FIXWV2WINT(wy); if (a < b) return -1; if (a > b) return 1; return 0; } #endif x = w2v(wx); y = w2v(wy); return cmp(x, y); } #define wne(x,y) (!weq((x),(y))) #define wlt(x,y) (wcmp((x),(y)) < 0) #define wgt(x,y) (wcmp((x),(y)) > 0) #define wle(x,y) (wcmp((x),(y)) <= 0) #define wge(x,y) (wcmp((x),(y)) >= 0) static wideval_t wadd(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(wx) && FIXWV_P(wy)) { wideint_t r = FIXWV2WINT(wx) + FIXWV2WINT(wy); return WINT2WV(r); } #endif return v2w(addv(w2v(wx), w2v(wy))); } static wideval_t wsub(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(wx) && FIXWV_P(wy)) { wideint_t r = FIXWV2WINT(wx) - FIXWV2WINT(wy); return WINT2WV(r); } #endif return v2w(subv(w2v(wx), w2v(wy))); } static wideval_t wmul(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(wx) && FIXWV_P(wy)) { if (!MUL_OVERFLOW_FIXWV_P(FIXWV2WINT(wx), FIXWV2WINT(wy))) return WINT2WV(FIXWV2WINT(wx) * FIXWV2WINT(wy)); } #endif return v2w(mulv(w2v(wx), w2v(wy))); } static wideval_t wquo(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(wx) && FIXWV_P(wy)) { wideint_t a, b, c; a = FIXWV2WINT(wx); b = FIXWV2WINT(wy); if (b == 0) rb_num_zerodiv(); c = a / b; if (c * b == a) { return WINT2WV(c); } } #endif return v2w(quov(w2v(wx), w2v(wy))); } #define wmulquo(x,y,z) ((WIDEVAL_GET(y) == WIDEVAL_GET(z)) ? (x) : wquo(wmul((x),(y)),(z))) #define wmulquoll(x,y,z) (((y) == (z)) ? (x) : wquo(wmul((x),WINT2WV(y)),WINT2WV(z))) #if WIDEVALUE_IS_WIDER static int wdivmod0(wideval_t wn, wideval_t wd, wideval_t *wq, wideval_t *wr) { if (FIXWV_P(wn) && FIXWV_P(wd)) { wideint_t n, d, q, r; d = FIXWV2WINT(wd); if (d == 0) rb_num_zerodiv(); if (d == 1) { *wq = wn; *wr = WINT2FIXWV(0); return 1; } if (d == -1) { wideint_t xneg = -FIXWV2WINT(wn); *wq = WINT2WV(xneg); *wr = WINT2FIXWV(0); return 1; } n = FIXWV2WINT(wn); if (n == 0) { *wq = WINT2FIXWV(0); *wr = WINT2FIXWV(0); return 1; } q = n / d; r = n % d; if (d > 0 ? r < 0 : r > 0) { q -= 1; r += d; } *wq = WINT2FIXWV(q); *wr = WINT2FIXWV(r); return 1; } return 0; } #endif static void wdivmod(wideval_t wn, wideval_t wd, wideval_t *wq, wideval_t *wr) { VALUE vq, vr; #if WIDEVALUE_IS_WIDER if (wdivmod0(wn, wd, wq, wr)) return; #endif divmodv(w2v(wn), w2v(wd), &vq, &vr); *wq = v2w(vq); *wr = v2w(vr); } static void wmuldivmod(wideval_t wx, wideval_t wy, wideval_t wz, wideval_t *wq, wideval_t *wr) { if (WIDEVAL_GET(wy) == WIDEVAL_GET(wz)) { *wq = wx; *wr = WINT2FIXWV(0); return; } wdivmod(wmul(wx,wy), wz, wq, wr); } static wideval_t wdiv(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER wideval_t q, dmy; if (wdivmod0(wx, wy, &q, &dmy)) return q; #endif return v2w(divv(w2v(wx), w2v(wy))); } static wideval_t wmod(wideval_t wx, wideval_t wy) { #if WIDEVALUE_IS_WIDER wideval_t r, dmy; if (wdivmod0(wx, wy, &dmy, &r)) return r; #endif return v2w(modv(w2v(wx), w2v(wy))); } static VALUE num_exact_check(VALUE v) { VALUE tmp; switch (TYPE(v)) { case T_FIXNUM: case T_BIGNUM: tmp = v; break; case T_RATIONAL: tmp = rb_rational_canonicalize(v); break; default: if (!UNDEF_P(tmp = rb_check_funcall(v, idTo_r, 0, NULL))) { /* test to_int method availability to reject non-Numeric * objects such as String, Time, etc which have to_r method. */ if (!rb_respond_to(v, idTo_int)) { /* FALLTHROUGH */ } else if (RB_INTEGER_TYPE_P(tmp)) { break; } else if (RB_TYPE_P(tmp, T_RATIONAL)) { tmp = rb_rational_canonicalize(tmp); break; } } else if (!NIL_P(tmp = rb_check_to_int(v))) { return tmp; } case T_NIL: case T_STRING: return Qnil; } ASSUME(!NIL_P(tmp)); return tmp; } NORETURN(static void num_exact_fail(VALUE v)); static void num_exact_fail(VALUE v) { rb_raise(rb_eTypeError, "can't convert %"PRIsVALUE" into an exact number", rb_obj_class(v)); } static VALUE num_exact(VALUE v) { VALUE num = num_exact_check(v); if (NIL_P(num)) num_exact_fail(v); return num; } /* time_t */ static wideval_t rb_time_magnify(wideval_t w) { return wmul(w, WINT2FIXWV(TIME_SCALE)); } static VALUE rb_time_unmagnify_to_rational(wideval_t w) { return quor(w2v(w), INT2FIX(TIME_SCALE)); } static wideval_t rb_time_unmagnify(wideval_t w) { return v2w(rb_time_unmagnify_to_rational(w)); } static VALUE rb_time_unmagnify_to_float(wideval_t w) { VALUE v; #if WIDEVALUE_IS_WIDER if (FIXWV_P(w)) { wideint_t a, b, c; a = FIXWV2WINT(w); b = TIME_SCALE; c = a / b; if (c * b == a) { return DBL2NUM((double)c); } v = DBL2NUM((double)FIXWV2WINT(w)); return quov(v, DBL2NUM(TIME_SCALE)); } #endif v = w2v(w); if (RB_TYPE_P(v, T_RATIONAL)) return rb_Float(quov(v, INT2FIX(TIME_SCALE))); else return quov(v, DBL2NUM(TIME_SCALE)); } static void split_second(wideval_t timew, wideval_t *timew_p, VALUE *subsecx_p) { wideval_t q, r; wdivmod(timew, WINT2FIXWV(TIME_SCALE), &q, &r); *timew_p = q; *subsecx_p = w2v(r); } static wideval_t timet2wv(time_t t) { #if WIDEVALUE_IS_WIDER if (TIMET_MIN == 0) { uwideint_t wi = (uwideint_t)t; if (wi <= FIXWV_MAX) { return WINT2FIXWV(wi); } } else { wideint_t wi = (wideint_t)t; if (FIXWV_MIN <= wi && wi <= FIXWV_MAX) { return WINT2FIXWV(wi); } } #endif return v2w(TIMET2NUM(t)); } #define TIMET2WV(t) timet2wv(t) static time_t wv2timet(wideval_t w) { #if WIDEVALUE_IS_WIDER if (FIXWV_P(w)) { wideint_t wi = FIXWV2WINT(w); if (TIMET_MIN == 0) { if (wi < 0) rb_raise(rb_eRangeError, "negative value to convert into 'time_t'"); if (TIMET_MAX < (uwideint_t)wi) rb_raise(rb_eRangeError, "too big to convert into 'time_t'"); } else { if (wi < TIMET_MIN || TIMET_MAX < wi) rb_raise(rb_eRangeError, "too big to convert into 'time_t'"); } return (time_t)wi; } #endif return NUM2TIMET(w2v(w)); } #define WV2TIMET(t) wv2timet(t) VALUE rb_cTime; static VALUE rb_cTimeTM; static int obj2int(VALUE obj); static uint32_t obj2ubits(VALUE obj, unsigned int bits); static VALUE obj2vint(VALUE obj); static uint32_t month_arg(VALUE arg); static VALUE validate_utc_offset(VALUE utc_offset); static VALUE validate_zone_name(VALUE zone_name); static void validate_vtm(struct vtm *vtm); static void vtm_add_day(struct vtm *vtm, int day); static uint32_t obj2subsecx(VALUE obj, VALUE *subsecx); static VALUE time_gmtime(VALUE); static VALUE time_localtime(VALUE); static VALUE time_fixoff(VALUE); static VALUE time_zonelocal(VALUE time, VALUE off); static time_t timegm_noleapsecond(struct tm *tm); static int tmcmp(struct tm *a, struct tm *b); static int vtmcmp(struct vtm *a, struct vtm *b); static const char *find_time_t(struct tm *tptr, int utc_p, time_t *tp); static struct vtm *localtimew(wideval_t timew, struct vtm *result); static int leap_year_p(long y); #define leap_year_v_p(y) leap_year_p(NUM2LONG(modv((y), INT2FIX(400)))) static VALUE tm_from_time(VALUE klass, VALUE time); bool ruby_tz_uptodate_p; void ruby_reset_timezone(void) { ruby_tz_uptodate_p = false; ruby_reset_leap_second_info(); } static void update_tz(void) { if (ruby_tz_uptodate_p) return; ruby_tz_uptodate_p = true; tzset(); } static struct tm * rb_localtime_r(const time_t *t, struct tm *result) { #if defined __APPLE__ && defined __LP64__ if (*t != (time_t)(int)*t) return NULL; #endif update_tz(); #ifdef HAVE_GMTIME_R result = localtime_r(t, result); #else { struct tm *tmp = localtime(t); if (tmp) *result = *tmp; } #endif #if defined(HAVE_MKTIME) && defined(LOCALTIME_OVERFLOW_PROBLEM) if (result) { long gmtoff1 = 0; long gmtoff2 = 0; struct tm tmp = *result; time_t t2; t2 = mktime(&tmp); # if defined(HAVE_STRUCT_TM_TM_GMTOFF) gmtoff1 = result->tm_gmtoff; gmtoff2 = tmp.tm_gmtoff; # endif if (*t + gmtoff1 != t2 + gmtoff2) result = NULL; } #endif return result; } #define LOCALTIME(tm, result) rb_localtime_r((tm), &(result)) #ifndef HAVE_STRUCT_TM_TM_GMTOFF static struct tm * rb_gmtime_r(const time_t *t, struct tm *result) { #ifdef HAVE_GMTIME_R result = gmtime_r(t, result); #else struct tm *tmp = gmtime(t); if (tmp) *result = *tmp; #endif #if defined(HAVE_TIMEGM) && defined(LOCALTIME_OVERFLOW_PROBLEM) if (result && *t != timegm(result)) { return NULL; } #endif return result; } # define GMTIME(tm, result) rb_gmtime_r((tm), &(result)) #endif static const int16_t common_year_yday_offset[] = { -1, -1 + 31, -1 + 31 + 28, -1 + 31 + 28 + 31, -1 + 31 + 28 + 31 + 30, -1 + 31 + 28 + 31 + 30 + 31, -1 + 31 + 28 + 31 + 30 + 31 + 30, -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31, -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31, -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30, -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, -1 + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 /* 1 2 3 4 5 6 7 8 9 10 11 */ }; static const int16_t leap_year_yday_offset[] = { -1, -1 + 31, -1 + 31 + 29, -1 + 31 + 29 + 31, -1 + 31 + 29 + 31 + 30, -1 + 31 + 29 + 31 + 30 + 31, -1 + 31 + 29 + 31 + 30 + 31 + 30, -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31, -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31, -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30, -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, -1 + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 /* 1 2 3 4 5 6 7 8 9 10 11 */ }; static const int8_t common_year_days_in_month[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; static const int8_t leap_year_days_in_month[] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; #define days_in_month_of(leap) ((leap) ? leap_year_days_in_month : common_year_days_in_month) #define days_in_month_in(y) days_in_month_of(leap_year_p(y)) #define days_in_month_in_v(y) days_in_month_of(leap_year_v_p(y)) #define M28(m) \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m) #define M29(m) \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m) #define M30(m) \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m) #define M31(m) \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), \ (m),(m),(m),(m),(m),(m),(m),(m),(m),(m), (m) static const uint8_t common_year_mon_of_yday[] = { M31(1), M28(2), M31(3), M30(4), M31(5), M30(6), M31(7), M31(8), M30(9), M31(10), M30(11), M31(12) }; static const uint8_t leap_year_mon_of_yday[] = { M31(1), M29(2), M31(3), M30(4), M31(5), M30(6), M31(7), M31(8), M30(9), M31(10), M30(11), M31(12) }; #undef M28 #undef M29 #undef M30 #undef M31 #define D28 \ 1,2,3,4,5,6,7,8,9, \ 10,11,12,13,14,15,16,17,18,19, \ 20,21,22,23,24,25,26,27,28 #define D29 \ 1,2,3,4,5,6,7,8,9, \ 10,11,12,13,14,15,16,17,18,19, \ 20,21,22,23,24,25,26,27,28,29 #define D30 \ 1,2,3,4,5,6,7,8,9, \ 10,11,12,13,14,15,16,17,18,19, \ 20,21,22,23,24,25,26,27,28,29,30 #define D31 \ 1,2,3,4,5,6,7,8,9, \ 10,11,12,13,14,15,16,17,18,19, \ 20,21,22,23,24,25,26,27,28,29,30,31 static const uint8_t common_year_mday_of_yday[] = { /* 1 2 3 4 5 6 7 8 9 10 11 12 */ D31, D28, D31, D30, D31, D30, D31, D31, D30, D31, D30, D31 }; static const uint8_t leap_year_mday_of_yday[] = { D31, D29, D31, D30, D31, D30, D31, D31, D30, D31, D30, D31 }; #undef D28 #undef D29 #undef D30 #undef D31 static int calc_tm_yday(long tm_year, int tm_mon, int tm_mday) { int tm_year_mod400 = (int)MOD(tm_year, 400); int tm_yday = tm_mday; 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 timegmw_noleapsecond(struct vtm *vtm) { VALUE year1900; VALUE q400, r400; int year_mod400; int yday; long days_in400; VALUE vdays, ret; wideval_t wret; year1900 = subv(vtm->year, INT2FIX(1900)); divmodv(year1900, INT2FIX(400), &q400, &r400); year_mod400 = NUM2INT(r400); yday = calc_tm_yday(year_mod400, vtm->mon-1, vtm->mday); /* * `Seconds Since the Epoch' in SUSv3: * tm_sec + tm_min*60 + tm_hour*3600 + tm_yday*86400 + * (tm_year-70)*31536000 + ((tm_year-69)/4)*86400 - * ((tm_year-1)/100)*86400 + ((tm_year+299)/400)*86400 */ ret = LONG2NUM(vtm->sec + vtm->min*60 + vtm->hour*3600); days_in400 = yday - 70*365 + DIV(year_mod400 - 69, 4) - DIV(year_mod400 - 1, 100) + (year_mod400 + 299) / 400; vdays = LONG2NUM(days_in400); vdays = addv(vdays, mulv(q400, INT2FIX(97))); vdays = addv(vdays, mulv(year1900, INT2FIX(365))); wret = wadd(rb_time_magnify(v2w(ret)), wmul(rb_time_magnify(v2w(vdays)), WINT2FIXWV(86400))); wret = wadd(wret, v2w(vtm->subsecx)); return wret; } static VALUE zone_str(const char *zone) { const char *p; int ascii_only = 1; VALUE str; size_t len; if (zone == NULL) { return rb_fstring_lit("(NO-TIMEZONE-ABBREVIATION)"); } for (p = zone; *p; p++) if (!ISASCII(*p)) { ascii_only = 0; break; } len = p - zone + strlen(p); if (ascii_only) { str = rb_usascii_str_new(zone, len); } else { str = rb_enc_str_new(zone, len, rb_locale_encoding()); } return rb_fstring(str); } static void gmtimew_noleapsecond(wideval_t timew, struct vtm *vtm) { VALUE v; int n, x, y; int wday; VALUE timev; wideval_t timew2, w, w2; VALUE subsecx; vtm->isdst = 0; split_second(timew, &timew2, &subsecx); vtm->subsecx = subsecx; wdivmod(timew2, WINT2FIXWV(86400), &w2, &w); timev = w2v(w2); v = w2v(w); wday = NUM2INT(modv(timev, INT2FIX(7))); vtm->wday = (wday + 4) % 7; n = NUM2INT(v); vtm->sec = n % 60; n = n / 60; vtm->min = n % 60; n = n / 60; vtm->hour = n; /* 97 leap days in the 400 year cycle */ divmodv(timev, INT2FIX(400*365 + 97), &timev, &v); vtm->year = mulv(timev, INT2FIX(400)); /* n is the days in the 400 year cycle. * the start of the cycle is 1970-01-01. */ n = NUM2INT(v); y = 1970; /* 30 years including 7 leap days (1972, 1976, ... 1996), * 31 days in January 2000 and * 29 days in February 2000 * from 1970-01-01 to 2000-02-29 */ if (30*365+7+31+29-1 <= n) { /* 2000-02-29 or after */ if (n < 31*365+8) { /* 2000-02-29 to 2000-12-31 */ y += 30; n -= 30*365+7; goto found; } else { /* 2001-01-01 or after */ n -= 1; } } x = n / (365*100 + 24); n = n % (365*100 + 24); y += x * 100; if (30*365+7+31+29-1 <= n) { if (n < 31*365+7) { y += 30; n -= 30*365+7; goto found; } else n += 1; } x = n / (365*4 + 1); n = n % (365*4 + 1); y += x * 4; if (365*2+31+29-1 <= n) { if (n < 365*2+366) { y += 2; n -= 365*2; goto found; } else n -= 1; } x = n / 365; n = n % 365; y += x; found: vtm->yday = n+1; vtm->year = addv(vtm->year, INT2NUM(y)); if (leap_year_p(y)) { vtm->mon = leap_year_mon_of_yday[n]; vtm->mday = leap_year_mday_of_yday[n]; } else { vtm->mon = common_year_mon_of_yday[n]; vtm->mday = common_year_mday_of_yday[n]; } vtm->utc_offset = INT2FIX(0); vtm->zone = str_utc; } static struct tm * gmtime_with_leapsecond(const time_t *timep, struct tm *result) { #if defined(HAVE_STRUCT_TM_TM_GMTOFF) /* 4.4BSD counts leap seconds only with localtime, not with gmtime. */ struct tm *t; int sign; int gmtoff_sec, gmtoff_min, gmtoff_hour, gmtoff_day; long gmtoff; t = LOCALTIME(timep, *result); if (t == NULL) return NULL; /* subtract gmtoff */ if (t->tm_gmtoff < 0) { sign = 1; gmtoff = -t->tm_gmtoff; } else { sign = -1; gmtoff = t->tm_gmtoff; } gmtoff_sec = (int)(gmtoff % 60); gmtoff = gmtoff / 60; gmtoff_min = (int)(gmtoff % 60); gmtoff = gmtoff / 60; gmtoff_hour = (int)gmtoff; /* <= 12 */ gmtoff_sec *= sign; gmtoff_min *= sign; gmtoff_hour *= sign; gmtoff_day = 0; if (gmtoff_sec) { /* If gmtoff_sec == 0, don't change result->tm_sec. * It may be 60 which is a leap second. */ result->tm_sec += gmtoff_sec; if (result->tm_sec < 0) { result->tm_sec += 60; gmtoff_min -= 1; } if (60 <= result->tm_sec) { result->tm_sec -= 60; gmtoff_min += 1; } } if (gmtoff_min) { result->tm_min += gmtoff_min; if (result->tm_min < 0) { result->tm_min += 60; gmtoff_hour -= 1; } if (60 <= result->tm_min) { result->tm_min -= 60; gmtoff_hour += 1; } } if (gmtoff_hour) { result->tm_hour += gmtoff_hour; if (result->tm_hour < 0) { result->tm_hour += 24; gmtoff_day = -1; } if (24 <= result->tm_hour) { result->tm_hour -= 24; gmtoff_day = 1; } } if (gmtoff_day) { if (gmtoff_day < 0) { if (result->tm_yday == 0) { result->tm_mday = 31; result->tm_mon = 11; /* December */ result->tm_year--; result->tm_yday = leap_year_p(result->tm_year + 1900) ? 365 : 364; } else if (result->tm_mday == 1) { const int8_t *days_in_month = days_in_month_in(result->tm_year + 1900); result->tm_mon--; result->tm_mday = days_in_month[result->tm_mon]; result->tm_yday--; } else { result->tm_mday--; result->tm_yday--; } result->tm_wday = (result->tm_wday + 6) % 7; } else { int leap = leap_year_p(result->tm_year + 1900); if (result->tm_yday == (leap ? 365 : 364)) { result->tm_year++; result->tm_mon = 0; /* January */ result->tm_mday = 1; result->tm_yday = 0; } else if (result->tm_mday == days_in_month_of(leap)[result->tm_mon]) { result->tm_mon++; result->tm_mday = 1; result->tm_yday++; } else { result->tm_mday++; result->tm_yday++; } result->tm_wday = (result->tm_wday + 1) % 7; } } result->tm_isdst = 0; result->tm_gmtoff = 0; #if defined(HAVE_TM_ZONE) result->tm_zone = (char *)"UTC"; #endif return result; #else return GMTIME(timep, *result); #endif } static long this_year = 0; static time_t known_leap_seconds_limit; static int number_of_leap_seconds_known; static void init_leap_second_info(void) { /* * leap seconds are determined by IERS. * It is announced 6 months before the leap second. * So no one knows leap seconds in the future after the next year. */ if (this_year == 0) { time_t now; struct tm *tm, result; struct vtm vtm; wideval_t timew; now = time(NULL); #ifdef HAVE_GMTIME_R gmtime_r(&now, &result); #else gmtime(&now); #endif tm = gmtime_with_leapsecond(&now, &result); if (!tm) return; this_year = tm->tm_year; if (TIMET_MAX - now < (time_t)(366*86400)) known_leap_seconds_limit = TIMET_MAX; else known_leap_seconds_limit = now + (time_t)(366*86400); if (!gmtime_with_leapsecond(&known_leap_seconds_limit, &result)) return; vtm.year = LONG2NUM(result.tm_year + 1900); vtm.mon = result.tm_mon + 1; vtm.mday = result.tm_mday; vtm.hour = result.tm_hour; vtm.min = result.tm_min; vtm.sec = result.tm_sec; vtm.subsecx = INT2FIX(0); vtm.utc_offset = INT2FIX(0); timew = timegmw_noleapsecond(&vtm); number_of_leap_seconds_known = NUM2INT(w2v(wsub(TIMET2WV(known_leap_seconds_limit), rb_time_unmagnify(timew)))); } } /* Use this if you want to re-run init_leap_second_info() */ void ruby_reset_leap_second_info(void) { this_year = 0; } static wideval_t timegmw(struct vtm *vtm) { wideval_t timew; struct tm tm; time_t t; const char *errmsg; /* The first leap second is 1972-06-30 23:59:60 UTC. * No leap seconds before. */ if (gt(INT2FIX(1972), vtm->year)) return timegmw_noleapsecond(vtm); init_leap_second_info(); timew = timegmw_noleapsecond(vtm); if (number_of_leap_seconds_known == 0) { /* When init_leap_second_info() is executed, the timezone doesn't have * leap second information. Disable leap second for calculating gmtime. */ return timew; } else if (wlt(rb_time_magnify(TIMET2WV(known_leap_seconds_limit)), timew)) { return wadd(timew, rb_time_magnify(WINT2WV(number_of_leap_seconds_known))); } tm.tm_year = rb_long2int(NUM2LONG(vtm->year) - 1900); tm.tm_mon = vtm->mon - 1; tm.tm_mday = vtm->mday; tm.tm_hour = vtm->hour; tm.tm_min = vtm->min; tm.tm_sec = vtm->sec; tm.tm_isdst = 0; errmsg = find_time_t(&tm, 1, &t); if (errmsg) rb_raise(rb_eArgError, "%s", errmsg); return wadd(rb_time_magnify(TIMET2WV(t)), v2w(vtm->subsecx)); } static struct vtm * gmtimew(wideval_t timew, struct vtm *result) { time_t t; struct tm tm; VALUE subsecx; wideval_t timew2; if (wlt(timew, WINT2FIXWV(0))) { gmtimew_noleapsecond(timew, result); return result; } init_leap_second_info(); if (number_of_leap_seconds_known == 0) { /* When init_leap_second_info() is executed, the timezone doesn't have * leap second information. Disable leap second for calculating gmtime. */ gmtimew_noleapsecond(timew, result); return result; } else if (wlt(rb_time_magnify(TIMET2WV(known_leap_seconds_limit)), timew)) { timew = wsub(timew, rb_time_magnify(WINT2WV(number_of_leap_seconds_known))); gmtimew_noleapsecond(timew, result); return result; } split_second(timew, &timew2, &subsecx); t = WV2TIMET(timew2); if (!gmtime_with_leapsecond(&t, &tm)) return NULL; result->year = LONG2NUM((long)tm.tm_year + 1900); result->mon = tm.tm_mon + 1; result->mday = tm.tm_mday; result->hour = tm.tm_hour; result->min = tm.tm_min; result->sec = tm.tm_sec; result->subsecx = subsecx; result->utc_offset = INT2FIX(0); result->wday = tm.tm_wday; result->yday = tm.tm_yday+1; result->isdst = tm.tm_isdst; return result; } #define GMTIMEW(w, v) \ (gmtimew(w, v) ? (void)0 : rb_raise(rb_eArgError, "gmtime error")) static struct tm *localtime_with_gmtoff_zone(const time_t *t, struct tm *result, long *gmtoff, VALUE *zone); /* * The idea, extrapolate localtime() function, is borrowed from Perl: * http://web.archive.org/web/20080211114141/http://use.perl.org/articles/08/02/07/197204.shtml * * compat_common_month_table is generated by the following program. * This table finds the last month which starts at the same day of a week. * The year 2037 is not used because: * https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=522949 * * #!/usr/bin/ruby * * require 'date' * * h = {} * 2036.downto(2010) {|y| * 1.upto(12) {|m| * next if m == 2 && y % 4 == 0 * d = Date.new(y,m,1) * h[m] ||= {} * h[m][d.wday] ||= y * } * } * * 1.upto(12) {|m| * print "{" * 0.upto(6) {|w| * y = h[m][w] * print " #{y}," * } * puts "}," * } * */ static const int compat_common_month_table[12][7] = { /* Sun Mon Tue Wed Thu Fri Sat */ { 2034, 2035, 2036, 2031, 2032, 2027, 2033 }, /* January */ { 2026, 2027, 2033, 2034, 2035, 2030, 2031 }, /* February */ { 2026, 2032, 2033, 2034, 2035, 2030, 2036 }, /* March */ { 2035, 2030, 2036, 2026, 2032, 2033, 2034 }, /* April */ { 2033, 2034, 2035, 2030, 2036, 2026, 2032 }, /* May */ { 2036, 2026, 2032, 2033, 2034, 2035, 2030 }, /* June */ { 2035, 2030, 2036, 2026, 2032, 2033, 2034 }, /* July */ { 2032, 2033, 2034, 2035, 2030, 2036, 2026 }, /* August */ { 2030, 2036, 2026, 2032, 2033, 2034, 2035 }, /* September */ { 2034, 2035, 2030, 2036, 2026, 2032, 2033 }, /* October */ { 2026, 2032, 2033, 2034, 2035, 2030, 2036 }, /* November */ { 2030, 2036, 2026, 2032, 2033, 2034, 2035 }, /* December */ }; /* * compat_leap_month_table is generated by following program. * * #!/usr/bin/ruby * * require 'date' * * h = {} * 2037.downto(2010) {|y| * 1.upto(12) {|m| * next unless m == 2 && y % 4 == 0 * d = Date.new(y,m,1) * h[m] ||= {} * h[m][d.wday] ||= y * } * } * * 2.upto(2) {|m| * 0.upto(6) {|w| * y = h[m][w] * print " #{y}," * } * puts * } */ static const int compat_leap_month_table[7] = { /* Sun Mon Tue Wed Thu Fri Sat */ 2032, 2016, 2028, 2012, 2024, 2036, 2020, /* February */ }; static int calc_wday(int year_mod400, int month, int day) { int a, y, m; int wday; a = (14 - month) / 12; y = year_mod400 + 4800 - a; m = month + 12 * a - 3; wday = day + (153*m+2)/5 + 365*y + y/4 - y/100 + y/400 + 2; wday = wday % 7; return wday; } static VALUE guess_local_offset(struct vtm *vtm_utc, int *isdst_ret, VALUE *zone_ret) { struct tm tm; long gmtoff; VALUE zone; time_t t; struct vtm vtm2; VALUE timev; int year_mod400, wday; /* Daylight Saving Time was introduced in 1916. * So we don't need to care about DST before that. */ if (lt(vtm_utc->year, INT2FIX(1916))) { VALUE off = INT2FIX(0); int isdst = 0; zone = rb_fstring_lit("UTC"); # if defined(NEGATIVE_TIME_T) # if SIZEOF_TIME_T <= 4 /* 1901-12-13 20:45:52 UTC : The oldest time in 32-bit signed time_t. */ # define THE_TIME_OLD_ENOUGH ((time_t)0x80000000) # else /* Since the Royal Greenwich Observatory was commissioned in 1675, no timezone defined using GMT at 1600. */ # define THE_TIME_OLD_ENOUGH ((time_t)(1600-1970)*366*24*60*60) # endif if (localtime_with_gmtoff_zone((t = THE_TIME_OLD_ENOUGH, &t), &tm, &gmtoff, &zone)) { off = LONG2FIX(gmtoff); isdst = tm.tm_isdst; } else # endif /* 1970-01-01 00:00:00 UTC : The Unix epoch - the oldest time in portable time_t. */ if (localtime_with_gmtoff_zone((t = 0, &t), &tm, &gmtoff, &zone)) { off = LONG2FIX(gmtoff); isdst = tm.tm_isdst; } if (isdst_ret) *isdst_ret = isdst; if (zone_ret) *zone_ret = zone; return off; } /* It is difficult to guess the future. */ vtm2 = *vtm_utc; /* guess using a year before 2038. */ year_mod400 = NUM2INT(modv(vtm_utc->year, INT2FIX(400))); wday = calc_wday(year_mod400, vtm_utc->mon, 1); if (vtm_utc->mon == 2 && leap_year_p(year_mod400)) vtm2.year = INT2FIX(compat_leap_month_table[wday]); else vtm2.year = INT2FIX(compat_common_month_table[vtm_utc->mon-1][wday]); timev = w2v(rb_time_unmagnify(timegmw(&vtm2))); t = NUM2TIMET(timev); zone = str_utc; if (localtime_with_gmtoff_zone(&t, &tm, &gmtoff, &zone)) { if (isdst_ret) *isdst_ret = tm.tm_isdst; if (zone_ret) *zone_ret = zone; return LONG2FIX(gmtoff); } { /* Use the current time offset as a last resort. */ static time_t now = 0; static long now_gmtoff = 0; static int now_isdst = 0; static VALUE now_zone; if (now == 0) { VALUE zone; now = time(NULL); localtime_with_gmtoff_zone(&now, &tm, &now_gmtoff, &zone); now_isdst = tm.tm_isdst; zone = rb_fstring(zone); rb_vm_register_global_object(zone); now_zone = zone; } if (isdst_ret) *isdst_ret = now_isdst; if (zone_ret) *zone_ret = now_zone; return LONG2FIX(now_gmtoff); } } static VALUE small_vtm_sub(struct vtm *vtm1, struct vtm *vtm2) { int off; off = vtm1->sec - vtm2->sec; off += (vtm1->min - vtm2->min) * 60; off += (vtm1->hour - vtm2->hour) * 3600; if (ne(vtm1->year, vtm2->year)) off += lt(vtm1->year, vtm2->year) ? -24*3600 : 24*3600; else if (vtm1->mon != vtm2->mon) off += vtm1->mon < vtm2->mon ? -24*3600 : 24*3600; else if (vtm1->mday != vtm2->mday) off += vtm1->mday < vtm2->mday ? -24*3600 : 24*3600; return INT2FIX(off); } static wideval_t timelocalw(struct vtm *vtm) { time_t t; struct tm tm; VALUE v; wideval_t timew1, timew2; struct vtm vtm1, vtm2; int n; if (FIXNUM_P(vtm->year)) { long l = FIX2LONG(vtm->year) - 1900; if (l < INT_MIN || INT_MAX < l) goto no_localtime; tm.tm_year = (int)l; } else { v = subv(vtm->year, INT2FIX(1900)); if (lt(v, INT2NUM(INT_MIN)) || lt(INT2NUM(INT_MAX), v)) goto no_localtime; tm.tm_year = NUM2INT(v); } tm.tm_mon = vtm->mon-1; tm.tm_mday = vtm->mday; tm.tm_hour = vtm->hour; tm.tm_min = vtm->min; tm.tm_sec = vtm->sec; tm.tm_isdst = vtm->isdst == VTM_ISDST_INITVAL ? -1 : vtm->isdst; if (find_time_t(&tm, 0, &t)) goto no_localtime; return wadd(rb_time_magnify(TIMET2WV(t)), v2w(vtm->subsecx)); no_localtime: timew1 = timegmw(vtm); if (!localtimew(timew1, &vtm1)) rb_raise(rb_eArgError, "localtimew error"); n = vtmcmp(vtm, &vtm1); if (n == 0) { timew1 = wsub(timew1, rb_time_magnify(WINT2FIXWV(12*3600))); if (!localtimew(timew1, &vtm1)) rb_raise(rb_eArgError, "localtimew error"); n = 1; } if (n < 0) { timew2 = timew1; vtm2 = vtm1; timew1 = wsub(timew1, rb_time_magnify(WINT2FIXWV(24*3600))); if (!localtimew(timew1, &vtm1)) rb_raise(rb_eArgError, "localtimew error"); } else { timew2 = wadd(timew1, rb_time_magnify(WINT2FIXWV(24*3600))); if (!localtimew(timew2, &vtm2)) rb_raise(rb_eArgError, "localtimew error"); } timew1 = wadd(timew1, rb_time_magnify(v2w(small_vtm_sub(vtm, &vtm1)))); timew2 = wadd(timew2, rb_time_magnify(v2w(small_vtm_sub(vtm, &vtm2)))); if (weq(timew1, timew2)) return timew1; if (!localtimew(timew1, &vtm1)) rb_raise(rb_eArgError, "localtimew error"); if (vtm->hour != vtm1.hour || vtm->min != vtm1.min || vtm->sec != vtm1.sec) return timew2; if (!localtimew(timew2, &vtm2)) rb_raise(rb_eArgError, "localtimew error"); if (vtm->hour != vtm2.hour || vtm->min != vtm2.min || vtm->sec != vtm2.sec) return timew1; if (vtm->isdst) return lt(vtm1.utc_offset, vtm2.utc_offset) ? timew2 : timew1; else return lt(vtm1.utc_offset, vtm2.utc_offset) ? timew1 : timew2; } static struct tm * localtime_with_gmtoff_zone(const time_t *t, struct tm *result, long *gmtoff, VALUE *zone) { struct tm tm; if (LOCALTIME(t, tm)) { #if defined(HAVE_STRUCT_TM_TM_GMTOFF) *gmtoff = tm.tm_gmtoff; #else struct tm *u, *l; long off; struct tm tmbuf; l = &tm; u = GMTIME(t, tmbuf); if (!u) return NULL; if (l->tm_year != u->tm_year) off = l->tm_year < u->tm_year ? -1 : 1; else if (l->tm_mon != u->tm_mon) off = l->tm_mon < u->tm_mon ? -1 : 1; else if (l->tm_mday != u->tm_mday) off = l->tm_mday < u->tm_mday ? -1 : 1; else off = 0; off = off * 24 + l->tm_hour - u->tm_hour; off = off * 60 + l->tm_min - u->tm_min; off = off * 60 + l->tm_sec - u->tm_sec; *gmtoff = off; #endif if (zone) { #if defined(HAVE_TM_ZONE) *zone = zone_str(tm.tm_zone); #elif defined(HAVE_TZNAME) && defined(HAVE_DAYLIGHT) # if defined(RUBY_MSVCRT_VERSION) && RUBY_MSVCRT_VERSION >= 140 # define tzname _tzname # define daylight _daylight # endif /* this needs tzset or localtime, instead of localtime_r */ *zone = zone_str(tzname[daylight && tm.tm_isdst]); #else { char buf[64]; strftime(buf, sizeof(buf), "%Z", &tm); *zone = zone_str(buf); } #endif } *result = tm; return result; } return NULL; } static int timew_out_of_timet_range(wideval_t timew) { VALUE timexv; #if WIDEVALUE_IS_WIDER && SIZEOF_TIME_T < SIZEOF_INT64_T if (FIXWV_P(timew)) { wideint_t t = FIXWV2WINT(timew); if (t < TIME_SCALE * (wideint_t)TIMET_MIN || TIME_SCALE * (1 + (wideint_t)TIMET_MAX) <= t) return 1; return 0; } #endif #if SIZEOF_TIME_T == SIZEOF_INT64_T if (FIXWV_P(timew)) { wideint_t t = FIXWV2WINT(timew); if (~(time_t)0 <= 0) { return 0; } else { if (t < 0) return 1; return 0; } } #endif timexv = w2v(timew); if (lt(timexv, mulv(INT2FIX(TIME_SCALE), TIMET2NUM(TIMET_MIN))) || le(mulv(INT2FIX(TIME_SCALE), addv(TIMET2NUM(TIMET_MAX), INT2FIX(1))), timexv)) return 1; return 0; } static struct vtm * localtimew(wideval_t timew, struct vtm *result) { VALUE subsecx, offset; VALUE zone; int isdst; if (!timew_out_of_timet_range(timew)) { time_t t; struct tm tm; long gmtoff; wideval_t timew2; split_second(timew, &timew2, &subsecx); t = WV2TIMET(timew2); if (localtime_with_gmtoff_zone(&t, &tm, &gmtoff, &zone)) { result->year = LONG2NUM((long)tm.tm_year + 1900); result->mon = tm.tm_mon + 1; result->mday = tm.tm_mday; result->hour = tm.tm_hour; result->min = tm.tm_min; result->sec = tm.tm_sec; result->subsecx = subsecx; result->wday = tm.tm_wday; result->yday = tm.tm_yday+1; result->isdst = tm.tm_isdst; result->utc_offset = LONG2NUM(gmtoff); result->zone = zone; return result; } } if (!gmtimew(timew, result)) return NULL; offset = guess_local_offset(result, &isdst, &zone); if (!gmtimew(wadd(timew, rb_time_magnify(v2w(offset))), result)) return NULL; result->utc_offset = offset; result->isdst = isdst; result->zone = zone; return result; } #define TIME_TZMODE_LOCALTIME 0 #define TIME_TZMODE_UTC 1 #define TIME_TZMODE_FIXOFF 2 #define TIME_TZMODE_UNINITIALIZED 3 struct time_object { wideval_t timew; /* time_t value * TIME_SCALE. possibly Rational. */ struct vtm vtm; }; #define GetTimeval(obj, tobj) ((tobj) = get_timeval(obj)) #define GetNewTimeval(obj, tobj) ((tobj) = get_new_timeval(obj)) #define IsTimeval(obj) rb_typeddata_is_kind_of((obj), &time_data_type) #define TIME_INIT_P(tobj) ((tobj)->vtm.tzmode != TIME_TZMODE_UNINITIALIZED) #define TZMODE_UTC_P(tobj) ((tobj)->vtm.tzmode == TIME_TZMODE_UTC) #define TZMODE_SET_UTC(tobj) ((tobj)->vtm.tzmode = TIME_TZMODE_UTC) #define TZMODE_LOCALTIME_P(tobj) ((tobj)->vtm.tzmode == TIME_TZMODE_LOCALTIME) #define TZMODE_SET_LOCALTIME(tobj) ((tobj)->vtm.tzmode = TIME_TZMODE_LOCALTIME) #define TZMODE_FIXOFF_P(tobj) ((tobj)->vtm.tzmode == TIME_TZMODE_FIXOFF) #define TZMODE_SET_FIXOFF(time, tobj, off) do { \ (tobj)->vtm.tzmode = TIME_TZMODE_FIXOFF; \ RB_OBJ_WRITE_UNALIGNED(time, &(tobj)->vtm.utc_offset, off); \ } while (0) #define TZMODE_COPY(tobj1, tobj2) \ ((tobj1)->vtm.tzmode = (tobj2)->vtm.tzmode, \ (tobj1)->vtm.utc_offset = (tobj2)->vtm.utc_offset, \ (tobj1)->vtm.zone = (tobj2)->vtm.zone) static int zone_localtime(VALUE zone, VALUE time); static VALUE time_get_tm(VALUE, struct time_object *); #define MAKE_TM(time, tobj) \ do { \ if ((tobj)->vtm.tm_got == 0) { \ time_get_tm((time), (tobj)); \ } \ } while (0) #define MAKE_TM_ENSURE(time, tobj, cond) \ do { \ MAKE_TM(time, tobj); \ if (!(cond)) { \ force_make_tm(time, tobj); \ } \ } while (0) static void time_set_timew(VALUE time, struct time_object *tobj, wideval_t timew) { tobj->timew = timew; if (!FIXWV_P(timew)) { RB_OBJ_WRITTEN(time, Qnil, w2v(timew)); } } static void time_set_vtm(VALUE time, struct time_object *tobj, struct vtm vtm) { tobj->vtm = vtm; RB_OBJ_WRITTEN(time, Qnil, tobj->vtm.year); RB_OBJ_WRITTEN(time, Qnil, tobj->vtm.subsecx); RB_OBJ_WRITTEN(time, Qnil, tobj->vtm.utc_offset); RB_OBJ_WRITTEN(time, Qnil, tobj->vtm.zone); } static inline void force_make_tm(VALUE time, struct time_object *tobj) { VALUE zone = tobj->vtm.zone; if (!NIL_P(zone) && zone != str_empty && zone != str_utc) { if (zone_localtime(zone, time)) return; } tobj->vtm.tm_got = 0; time_get_tm(time, tobj); } static void time_mark(void *ptr) { struct time_object *tobj = ptr; if (!FIXWV_P(tobj->timew)) rb_gc_mark(w2v(tobj->timew)); rb_gc_mark(tobj->vtm.year); rb_gc_mark(tobj->vtm.subsecx); rb_gc_mark(tobj->vtm.utc_offset); rb_gc_mark(tobj->vtm.zone); } static const rb_data_type_t time_data_type = { "time", { time_mark, RUBY_TYPED_DEFAULT_FREE, NULL, // No external memory to report, }, 0, 0, (RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_FROZEN_SHAREABLE | RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_EMBEDDABLE), }; static VALUE time_s_alloc(VALUE klass) { VALUE obj; struct time_object *tobj; obj = TypedData_Make_Struct(klass, struct time_object, &time_data_type, tobj); tobj->vtm.tzmode = TIME_TZMODE_UNINITIALIZED; tobj->vtm.tm_got = 0; time_set_timew(obj, tobj, WINT2FIXWV(0)); tobj->vtm.zone = Qnil; return obj; } static struct time_object * get_timeval(VALUE obj) { struct time_object *tobj; TypedData_Get_Struct(obj, struct time_object, &time_data_type, tobj); if (!TIME_INIT_P(tobj)) { rb_raise(rb_eTypeError, "uninitialized %"PRIsVALUE, rb_obj_class(obj)); } return tobj; } static struct time_object * get_new_timeval(VALUE obj) { struct time_object *tobj; TypedData_Get_Struct(obj, struct time_object, &time_data_type, tobj); if (TIME_INIT_P(tobj)) { rb_raise(rb_eTypeError, "already initialized %"PRIsVALUE, rb_obj_class(obj)); } return tobj; } static void time_modify(VALUE time) { rb_check_frozen(time); } static wideval_t timenano2timew(time_t sec, long nsec) { wideval_t timew; timew = rb_time_magnify(TIMET2WV(sec)); if (nsec) timew = wadd(timew, wmulquoll(WINT2WV(nsec), TIME_SCALE, 1000000000)); return timew; } static struct timespec timew2timespec(wideval_t timew) { VALUE subsecx; struct timespec ts; wideval_t timew2; if (timew_out_of_timet_range(timew)) rb_raise(rb_eArgError, "time out of system range"); split_second(timew, &timew2, &subsecx); ts.tv_sec = WV2TIMET(timew2); ts.tv_nsec = NUM2LONG(mulquov(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE))); return ts; } static struct timespec * timew2timespec_exact(wideval_t timew, struct timespec *ts) { VALUE subsecx; wideval_t timew2; VALUE nsecv; if (timew_out_of_timet_range(timew)) return NULL; split_second(timew, &timew2, &subsecx); ts->tv_sec = WV2TIMET(timew2); nsecv = mulquov(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE)); if (!FIXNUM_P(nsecv)) return NULL; ts->tv_nsec = NUM2LONG(nsecv); return ts; } void rb_timespec_now(struct timespec *ts) { #ifdef HAVE_CLOCK_GETTIME if (clock_gettime(CLOCK_REALTIME, ts) == -1) { rb_sys_fail("clock_gettime"); } #else { struct timeval tv; if (gettimeofday(&tv, 0) < 0) { rb_sys_fail("gettimeofday"); } ts->tv_sec = tv.tv_sec; ts->tv_nsec = tv.tv_usec * 1000; } #endif } /* * Sets the current time information into _time_. * Returns _time_. */ static VALUE time_init_now(rb_execution_context_t *ec, VALUE time, VALUE zone) { struct time_object *tobj; struct timespec ts; time_modify(time); GetNewTimeval(time, tobj); TZMODE_SET_LOCALTIME(tobj); tobj->vtm.tm_got=0; rb_timespec_now(&ts); time_set_timew(time, tobj, timenano2timew(ts.tv_sec, ts.tv_nsec)); if (!NIL_P(zone)) { time_zonelocal(time, zone); } return time; } static VALUE time_s_now(rb_execution_context_t *ec, VALUE klass, VALUE zone) { VALUE t = time_s_alloc(klass); return time_init_now(ec, t, zone); } static VALUE time_set_utc_offset(VALUE time, VALUE off) { struct time_object *tobj; off = num_exact(off); time_modify(time); GetTimeval(time, tobj); tobj->vtm.tm_got = 0; tobj->vtm.zone = Qnil; TZMODE_SET_FIXOFF(time, tobj, off); return time; } static void vtm_add_offset(struct vtm *vtm, VALUE off, int sign) { VALUE subsec, v; int sec, min, hour; int day; if (lt(off, INT2FIX(0))) { sign = -sign; off = neg(off); } divmodv(off, INT2FIX(1), &off, &subsec); divmodv(off, INT2FIX(60), &off, &v); sec = NUM2INT(v); divmodv(off, INT2FIX(60), &off, &v); min = NUM2INT(v); divmodv(off, INT2FIX(24), &off, &v); hour = NUM2INT(v); if (sign < 0) { subsec = neg(subsec); sec = -sec; min = -min; hour = -hour; } day = 0; if (!rb_equal(subsec, INT2FIX(0))) { vtm->subsecx = addv(vtm->subsecx, w2v(rb_time_magnify(v2w(subsec)))); if (lt(vtm->subsecx, INT2FIX(0))) { vtm->subsecx = addv(vtm->subsecx, INT2FIX(TIME_SCALE)); sec -= 1; } if (le(INT2FIX(TIME_SCALE), vtm->subsecx)) { vtm->subsecx = subv(vtm->subsecx, INT2FIX(TIME_SCALE)); sec += 1; } } if (sec) { /* If sec + subsec == 0, don't change vtm->sec. * It may be 60 which is a leap second. */ sec += vtm->sec; if (sec < 0) { sec += 60; min -= 1; } if (60 <= sec) { sec -= 60; min += 1; } vtm->sec = sec; } if (min) { min += vtm->min; if (min < 0) { min += 60; hour -= 1; } if (60 <= min) { min -= 60; hour += 1; } vtm->min = min; } if (hour) { hour += vtm->hour; if (hour < 0) { hour += 24; day = -1; } if (24 <= hour) { hour -= 24; day = 1; } vtm->hour = hour; } vtm_add_day(vtm, day); } static void vtm_add_day(struct vtm *vtm, int day) { if (day) { if (day < 0) { if (vtm->mon == 1 && vtm->mday == 1) { vtm->mday = 31; vtm->mon = 12; /* December */ vtm->year = subv(vtm->year, INT2FIX(1)); if (vtm->yday != 0) vtm->yday = leap_year_v_p(vtm->year) ? 366 : 365; } else if (vtm->mday == 1) { const int8_t *days_in_month = days_in_month_in_v(vtm->year); vtm->mon--; vtm->mday = days_in_month[vtm->mon-1]; if (vtm->yday != 0) vtm->yday--; } else { vtm->mday--; if (vtm->yday != 0) vtm->yday--; } if (vtm->wday != VTM_WDAY_INITVAL) vtm->wday = (vtm->wday + 6) % 7; } else { int leap = leap_year_v_p(vtm->year); if (vtm->mon == 12 && vtm->mday == 31) { vtm->year = addv(vtm->year, INT2FIX(1)); vtm->mon = 1; /* January */ vtm->mday = 1; vtm->yday = 1; } else if (vtm->mday == days_in_month_of(leap)[vtm->mon-1]) { vtm->mon++; vtm->mday = 1; if (vtm->yday != 0) vtm->yday++; } else { vtm->mday++; if (vtm->yday != 0) vtm->yday++; } if (vtm->wday != VTM_WDAY_INITVAL) vtm->wday = (vtm->wday + 1) % 7; } } } static int maybe_tzobj_p(VALUE obj) { if (NIL_P(obj)) return FALSE; if (RB_INTEGER_TYPE_P(obj)) return FALSE; if (RB_TYPE_P(obj, T_STRING)) return FALSE; return TRUE; } NORETURN(static void invalid_utc_offset(VALUE)); static void invalid_utc_offset(VALUE zone) { rb_raise(rb_eArgError, "\"+HH:MM\", \"-HH:MM\", \"UTC\" or " "\"A\"..\"I\",\"K\"..\"Z\" expected for utc_offset: %"PRIsVALUE, zone); } static VALUE utc_offset_arg(VALUE arg) { VALUE tmp; if (!NIL_P(tmp = rb_check_string_type(arg))) { int n = 0; const char *s = RSTRING_PTR(tmp), *min = NULL, *sec = NULL; if (!rb_enc_str_asciicompat_p(tmp)) { goto invalid_utc_offset; } switch (RSTRING_LEN(tmp)) { case 1: if (s[0] == 'Z') { return UTC_ZONE; } /* Military Time Zone Names */ if (s[0] >= 'A' && s[0] <= 'I') { n = (int)s[0] - 'A' + 1; } /* No 'J' zone */ else if (s[0] >= 'K' && s[0] <= 'M') { n = (int)s[0] - 'A'; } else if (s[0] >= 'N' && s[0] <= 'Y') { n = 'M' - (int)s[0]; } else { goto invalid_utc_offset; } n *= 3600; return INT2FIX(n); case 3: if (STRNCASECMP("UTC", s, 3) == 0) { return UTC_ZONE; } break; /* +HH */ case 7: /* +HHMMSS */ sec = s+5; /* fallthrough */ case 5: /* +HHMM */ min = s+3; break; case 9: /* +HH:MM:SS */ if (s[6] != ':') goto invalid_utc_offset; sec = s+7; /* fallthrough */ case 6: /* +HH:MM */ if (s[3] != ':') goto invalid_utc_offset; min = s+4; break; default: goto invalid_utc_offset; } if (sec) { if (!ISDIGIT(sec[0]) || !ISDIGIT(sec[1])) goto invalid_utc_offset; n += (sec[0] * 10 + sec[1] - '0' * 11); ASSUME(min); } if (min) { if (!ISDIGIT(min[0]) || !ISDIGIT(min[1])) goto invalid_utc_offset; if (min[0] > '5') goto invalid_utc_offset; n += (min[0] * 10 + min[1] - '0' * 11) * 60; } if (s[0] != '+' && s[0] != '-') goto invalid_utc_offset; if (!ISDIGIT(s[1]) || !ISDIGIT(s[2])) goto invalid_utc_offset; n += (s[1] * 10 + s[2] - '0' * 11) * 3600; if (s[0] == '-') { if (n == 0) return UTC_ZONE; n = -n; } return INT2FIX(n); } else { return num_exact(arg); } invalid_utc_offset: return Qnil; } static void zone_set_offset(VALUE zone, struct time_object *tobj, wideval_t tlocal, wideval_t tutc) { /* tlocal and tutc must be unmagnified and in seconds */ wideval_t w = wsub(tlocal, tutc); VALUE off = w2v(w); validate_utc_offset(off); tobj->vtm.utc_offset = off; tobj->vtm.zone = zone; TZMODE_SET_LOCALTIME(tobj); } static wideval_t extract_time(VALUE time) { wideval_t t; const ID id_to_i = idTo_i; #define EXTRACT_TIME() do { \ t = v2w(rb_Integer(AREF(to_i))); \ } while (0) if (rb_typeddata_is_kind_of(time, &time_data_type)) { struct time_object *tobj = RTYPEDDATA_GET_DATA(time); time_gmtime(time); /* ensure tm got */ t = rb_time_unmagnify(tobj->timew); RB_GC_GUARD(time); } else if (RB_TYPE_P(time, T_STRUCT)) { #define AREF(x) rb_struct_aref(time, ID2SYM(id_##x)) EXTRACT_TIME(); #undef AREF } else { #define AREF(x) rb_funcallv(time, id_##x, 0, 0) EXTRACT_TIME(); #undef AREF } #undef EXTRACT_TIME return t; } static wideval_t extract_vtm(VALUE time, VALUE orig_time, struct time_object *orig_tobj, VALUE subsecx) { wideval_t t; const ID id_to_i = idTo_i; struct vtm *vtm = &orig_tobj->vtm; #define EXTRACT_VTM() do { \ VALUE subsecx; \ vtm->year = obj2vint(AREF(year)); \ vtm->mon = month_arg(AREF(mon)); \ vtm->mday = obj2ubits(AREF(mday), 5); \ vtm->hour = obj2ubits(AREF(hour), 5); \ vtm->min = obj2ubits(AREF(min), 6); \ vtm->sec = obj2subsecx(AREF(sec), &subsecx); \ vtm->isdst = RTEST(AREF(isdst)); \ vtm->utc_offset = Qnil; \ t = v2w(rb_Integer(AREF(to_i))); \ } while (0) if (rb_typeddata_is_kind_of(time, &time_data_type)) { struct time_object *tobj = RTYPEDDATA_GET_DATA(time); time_get_tm(time, tobj); time_set_vtm(orig_time, orig_tobj, tobj->vtm); t = rb_time_unmagnify(tobj->timew); if (TZMODE_FIXOFF_P(tobj) && vtm->utc_offset != INT2FIX(0)) t = wadd(t, v2w(vtm->utc_offset)); RB_GC_GUARD(time); } else if (RB_TYPE_P(time, T_STRUCT)) { #define AREF(x) rb_struct_aref(time, ID2SYM(id_##x)) EXTRACT_VTM(); #undef AREF } else if (rb_integer_type_p(time)) { t = v2w(time); struct vtm temp_vtm = *vtm; GMTIMEW(rb_time_magnify(t), &temp_vtm); time_set_vtm(orig_time, orig_tobj, temp_vtm); } else { #define AREF(x) rb_funcallv(time, id_##x, 0, 0) EXTRACT_VTM(); #undef AREF } #undef EXTRACT_VTM RB_OBJ_WRITE_UNALIGNED(orig_time, &vtm->subsecx, subsecx); validate_vtm(vtm); return t; } static void zone_set_dst(VALUE zone, struct time_object *tobj, VALUE tm) { ID id_dst_p; VALUE dst; CONST_ID(id_dst_p, "dst?"); dst = rb_check_funcall(zone, id_dst_p, 1, &tm); tobj->vtm.isdst = (!UNDEF_P(dst) && RTEST(dst)); } static int zone_timelocal(VALUE zone, VALUE time) { VALUE utc, tm; struct time_object *tobj = RTYPEDDATA_GET_DATA(time); wideval_t t, s; wdivmod(tobj->timew, WINT2FIXWV(TIME_SCALE), &t, &s); tm = tm_from_time(rb_cTimeTM, time); utc = rb_check_funcall(zone, id_local_to_utc, 1, &tm); if (UNDEF_P(utc)) return 0; s = extract_time(utc); zone_set_offset(zone, tobj, t, s); s = rb_time_magnify(s); if (tobj->vtm.subsecx != INT2FIX(0)) { s = wadd(s, v2w(tobj->vtm.subsecx)); } time_set_timew(time, tobj, s); zone_set_dst(zone, tobj, tm); RB_GC_GUARD(time); return 1; } static int zone_localtime(VALUE zone, VALUE time) { VALUE local, tm, subsecx; struct time_object *tobj = RTYPEDDATA_GET_DATA(time); wideval_t t, s; split_second(tobj->timew, &t, &subsecx); tm = tm_from_time(rb_cTimeTM, time); local = rb_check_funcall(zone, id_utc_to_local, 1, &tm); if (UNDEF_P(local)) return 0; s = extract_vtm(local, time, tobj, subsecx); tobj->vtm.tm_got = 1; zone_set_offset(zone, tobj, s, t); zone_set_dst(zone, tobj, tm); RB_GC_GUARD(time); return 1; } static VALUE find_timezone(VALUE time, VALUE zone) { VALUE klass = CLASS_OF(time); return rb_check_funcall_default(klass, id_find_timezone, 1, &zone, Qnil); } /* Turn the special case 24:00:00 of already validated vtm into * 00:00:00 the next day */ static void vtm_day_wraparound(struct vtm *vtm) { if (vtm->hour < 24) return; /* Assuming UTC and no care of DST, just reset hour and advance * date, not to discard the validated vtm. */ vtm->hour = 0; vtm_add_day(vtm, 1); } static VALUE time_init_vtm(VALUE time, struct vtm vtm, VALUE zone); /* * Sets the broken-out time information into _time_. * Returns _time_. */ static VALUE time_init_args(rb_execution_context_t *ec, VALUE time, VALUE year, VALUE mon, VALUE mday, VALUE hour, VALUE min, VALUE sec, VALUE zone) { struct vtm vtm; vtm.wday = VTM_WDAY_INITVAL; vtm.yday = 0; vtm.zone = str_empty; vtm.year = obj2vint(year); vtm.mon = NIL_P(mon) ? 1 : month_arg(mon); vtm.mday = NIL_P(mday) ? 1 : obj2ubits(mday, 5); vtm.hour = NIL_P(hour) ? 0 : obj2ubits(hour, 5); vtm.min = NIL_P(min) ? 0 : obj2ubits(min, 6); if (NIL_P(sec)) { vtm.sec = 0; vtm.subsecx = INT2FIX(0); } else { VALUE subsecx; vtm.sec = obj2subsecx(sec, &subsecx); vtm.subsecx = subsecx; } return time_init_vtm(time, vtm, zone); } static VALUE time_init_vtm(VALUE time, struct vtm vtm, VALUE zone) { VALUE utc = Qnil; struct time_object *tobj; vtm.isdst = VTM_ISDST_INITVAL; vtm.utc_offset = Qnil; const VALUE arg = zone; if (!NIL_P(arg)) { zone = Qnil; if (arg == ID2SYM(rb_intern("dst"))) vtm.isdst = 1; else if (arg == ID2SYM(rb_intern("std"))) vtm.isdst = 0; else if (maybe_tzobj_p(arg)) zone = arg; else if (!NIL_P(utc = utc_offset_arg(arg))) vtm.utc_offset = utc == UTC_ZONE ? INT2FIX(0) : utc; else if (NIL_P(zone = find_timezone(time, arg))) invalid_utc_offset(arg); } validate_vtm(&vtm); time_modify(time); GetNewTimeval(time, tobj); if (!NIL_P(zone)) { time_set_timew(time, tobj, timegmw(&vtm)); vtm_day_wraparound(&vtm); time_set_vtm(time, tobj, vtm); tobj->vtm.tm_got = 1; TZMODE_SET_LOCALTIME(tobj); if (zone_timelocal(zone, time)) { return time; } else if (NIL_P(vtm.utc_offset = utc_offset_arg(zone))) { if (NIL_P(zone = find_timezone(time, zone)) || !zone_timelocal(zone, time)) invalid_utc_offset(arg); } } if (utc == UTC_ZONE) { time_set_timew(time, tobj, timegmw(&vtm)); vtm.isdst = 0; /* No DST in UTC */ vtm_day_wraparound(&vtm); time_set_vtm(time, tobj, vtm); tobj->vtm.tm_got = 1; TZMODE_SET_UTC(tobj); return time; } TZMODE_SET_LOCALTIME(tobj); tobj->vtm.tm_got=0; if (!NIL_P(vtm.utc_offset)) { VALUE off = vtm.utc_offset; vtm_add_offset(&vtm, off, -1); vtm.utc_offset = Qnil; time_set_timew(time, tobj, timegmw(&vtm)); return time_set_utc_offset(time, off); } else { time_set_timew(time, tobj, timelocalw(&vtm)); return time_localtime(time); } } static int two_digits(const char *ptr, const char *end, const char **endp, const char *name) { ssize_t len = end - ptr; if (len < 2 || (!ISDIGIT(ptr[0]) || !ISDIGIT(ptr[1])) || ((len > 2) && ISDIGIT(ptr[2]))) { VALUE mesg = rb_sprintf("two digits %s is expected", name); if (ptr[-1] == '-' || ptr[-1] == ':') { rb_str_catf(mesg, " after '%c'", ptr[-1]); } rb_str_catf(mesg, ": %.*s", ((len > 10) ? 10 : (int)(end - ptr)) + 1, ptr - 1); rb_exc_raise(rb_exc_new_str(rb_eArgError, mesg)); } *endp = ptr + 2; return (ptr[0] - '0') * 10 + (ptr[1] - '0'); } static VALUE parse_int(const char *ptr, const char *end, const char **endp, size_t *ndigits, bool sign) { ssize_t len = (end - ptr); int flags = sign ? RB_INT_PARSE_SIGN : 0; return rb_int_parse_cstr(ptr, len, (char **)endp, ndigits, 10, flags); } /* * Parses _str_ and sets the broken-out time information into _time_. * If _str_ is not a String, returns +nil+, otherwise returns _time_. */ static VALUE time_init_parse(rb_execution_context_t *ec, VALUE time, VALUE str, VALUE zone, VALUE precision) { if (NIL_P(str = rb_check_string_type(str))) return Qnil; if (!rb_enc_str_asciicompat_p(str)) { rb_raise(rb_eArgError, "time string should have ASCII compatible encoding"); } const char *const begin = RSTRING_PTR(str); const char *const end = RSTRING_END(str); const char *ptr = begin; VALUE year = Qnil, subsec = Qnil; int mon = -1, mday = -1, hour = -1, min = -1, sec = -1; size_t ndigits; size_t prec = NIL_P(precision) ? SIZE_MAX : NUM2SIZET(precision); if ((ptr < end) && (ISSPACE(*ptr) || ISSPACE(*(end-1)))) { rb_raise(rb_eArgError, "can't parse: %+"PRIsVALUE, str); } year = parse_int(ptr, end, &ptr, &ndigits, true); if (NIL_P(year)) { rb_raise(rb_eArgError, "can't parse: %+"PRIsVALUE, str); } else if (ndigits < 4) { rb_raise(rb_eArgError, "year must be 4 or more digits: %.*s", (int)ndigits, ptr - ndigits); } else if (ptr == end) { goto only_year; } do { #define peekable_p(n) ((ptrdiff_t)(n) < (end - ptr)) #define peek_n(c, n) (peekable_p(n) && ((unsigned char)ptr[n] == (c))) #define peek(c) peek_n(c, 0) #define peekc_n(n) (peekable_p(n) ? (int)(unsigned char)ptr[n] : -1) #define peekc() peekc_n(0) #define expect_two_digits(x, bits) \ (((unsigned int)(x = two_digits(ptr + 1, end, &ptr, #x)) > (1U << bits) - 1) ? \ rb_raise(rb_eArgError, #x" out of range") : (void)0) if (!peek('-')) break; expect_two_digits(mon, 4); if (!peek('-')) break; expect_two_digits(mday, 5); if (!peek(' ') && !peek('T')) break; const char *const time_part = ptr + 1; if (!ISDIGIT(peekc_n(1))) break; #define nofraction(x) \ if (peek('.')) { \ rb_raise(rb_eArgError, "fraction " #x " is not supported: %.*s", \ (int)(ptr + 1 - time_part), time_part); \ } #define need_colon(x) \ if (!peek(':')) { \ rb_raise(rb_eArgError, "missing " #x " part: %.*s", \ (int)(ptr + 1 - time_part), time_part); \ } expect_two_digits(hour, 5); nofraction(hour); need_colon(min); expect_two_digits(min, 6); nofraction(min); need_colon(sec); expect_two_digits(sec, 6); if (peek('.')) { ptr++; for (ndigits = 0; ndigits < prec && ISDIGIT(peekc_n(ndigits)); ++ndigits); if (!ndigits) { int clen = rb_enc_precise_mbclen(ptr, end, rb_enc_get(str)); if (clen < 0) clen = 0; rb_raise(rb_eArgError, "subsecond expected after dot: %.*s", (int)(ptr - time_part) + clen, time_part); } subsec = parse_int(ptr, ptr + ndigits, &ptr, &ndigits, false); if (NIL_P(subsec)) break; while (ptr < end && ISDIGIT(*ptr)) ptr++; } } while (0); while (ptr < end && ISSPACE(*ptr)) ptr++; const char *const zstr = ptr; while (ptr < end && !ISSPACE(*ptr)) ptr++; const char *const zend = ptr; while (ptr < end && ISSPACE(*ptr)) ptr++; if (ptr < end) { VALUE mesg = rb_str_new_cstr("can't parse at: "); rb_str_cat(mesg, ptr, end - ptr); rb_exc_raise(rb_exc_new_str(rb_eArgError, mesg)); } if (zend > zstr) { zone = rb_str_subseq(str, zstr - begin, zend - zstr); } else if (hour == -1) { rb_raise(rb_eArgError, "no time information"); } if (!NIL_P(subsec)) { /* subseconds is the last using ndigits */ static const size_t TIME_SCALE_NUMDIGITS = /* TIME_SCALE should be 10000... */ rb_strlen_lit(STRINGIZE(TIME_SCALE)) - 1; if (ndigits < TIME_SCALE_NUMDIGITS) { VALUE mul = rb_int_positive_pow(10, TIME_SCALE_NUMDIGITS - ndigits); subsec = rb_int_mul(subsec, mul); } else if (ndigits > TIME_SCALE_NUMDIGITS) { VALUE num = rb_int_positive_pow(10, ndigits - TIME_SCALE_NUMDIGITS); subsec = rb_rational_new(subsec, num); } } only_year: ; struct vtm vtm = { .wday = VTM_WDAY_INITVAL, .yday = 0, .zone = str_empty, .year = year, .mon = (mon < 0) ? 1 : mon, .mday = (mday < 0) ? 1 : mday, .hour = (hour < 0) ? 0 : hour, .min = (min < 0) ? 0 : min, .sec = (sec < 0) ? 0 : sec, .subsecx = NIL_P(subsec) ? INT2FIX(0) : subsec, }; return time_init_vtm(time, vtm, zone); } static void subsec_normalize(time_t *secp, long *subsecp, const long maxsubsec) { time_t sec = *secp; long subsec = *subsecp; long sec2; if (UNLIKELY(subsec >= maxsubsec)) { /* subsec positive overflow */ sec2 = subsec / maxsubsec; if (TIMET_MAX - sec2 < sec) { rb_raise(rb_eRangeError, "out of Time range"); } subsec -= sec2 * maxsubsec; sec += sec2; } else if (UNLIKELY(subsec < 0)) { /* subsec negative overflow */ sec2 = NDIV(subsec, maxsubsec); /* negative div */ if (sec < TIMET_MIN - sec2) { rb_raise(rb_eRangeError, "out of Time range"); } subsec -= sec2 * maxsubsec; sec += sec2; } #ifndef NEGATIVE_TIME_T if (sec < 0) rb_raise(rb_eArgError, "time must be positive"); #endif *secp = sec; *subsecp = subsec; } #define time_usec_normalize(secp, usecp) subsec_normalize(secp, usecp, 1000000) #define time_nsec_normalize(secp, nsecp) subsec_normalize(secp, nsecp, 1000000000) static wideval_t nsec2timew(time_t sec, long nsec) { time_nsec_normalize(&sec, &nsec); return timenano2timew(sec, nsec); } static VALUE time_new_timew(VALUE klass, wideval_t timew) { VALUE time = time_s_alloc(klass); struct time_object *tobj; tobj = RTYPEDDATA_GET_DATA(time); /* skip type check */ TZMODE_SET_LOCALTIME(tobj); time_set_timew(time, tobj, timew); return time; } VALUE rb_time_new(time_t sec, long usec) { time_usec_normalize(&sec, &usec); return time_new_timew(rb_cTime, timenano2timew(sec, usec * 1000)); } /* returns localtime time object */ VALUE rb_time_nano_new(time_t sec, long nsec) { return time_new_timew(rb_cTime, nsec2timew(sec, nsec)); } VALUE rb_time_timespec_new(const struct timespec *ts, int offset) { struct time_object *tobj; VALUE time = time_new_timew(rb_cTime, nsec2timew(ts->tv_sec, ts->tv_nsec)); if (-86400 < offset && offset < 86400) { /* fixoff */ GetTimeval(time, tobj); TZMODE_SET_FIXOFF(time, tobj, INT2FIX(offset)); } else if (offset == INT_MAX) { /* localtime */ } else if (offset == INT_MAX-1) { /* UTC */ GetTimeval(time, tobj); TZMODE_SET_UTC(tobj); } else { rb_raise(rb_eArgError, "utc_offset out of range"); } return time; } VALUE rb_time_num_new(VALUE timev, VALUE off) { VALUE time = time_new_timew(rb_cTime, rb_time_magnify(v2w(timev))); if (!NIL_P(off)) { VALUE zone = off; if (maybe_tzobj_p(zone)) { time_gmtime(time); if (zone_timelocal(zone, time)) return time; } if (NIL_P(off = utc_offset_arg(off))) { off = zone; if (NIL_P(zone = find_timezone(time, off))) invalid_utc_offset(off); time_gmtime(time); if (!zone_timelocal(zone, time)) invalid_utc_offset(off); return time; } else if (off == UTC_ZONE) { return time_gmtime(time); } validate_utc_offset(off); time_set_utc_offset(time, off); return time; } return time; } static struct timespec time_timespec(VALUE num, int interval) { struct timespec t; const char *const tstr = interval ? "time interval" : "time"; VALUE i, f, ary; #ifndef NEGATIVE_TIME_T # define arg_range_check(v) \ (((v) < 0) ? \ rb_raise(rb_eArgError, "%s must not be negative", tstr) : \ (void)0) #else # define arg_range_check(v) \ ((interval && (v) < 0) ? \ rb_raise(rb_eArgError, "time interval must not be negative") : \ (void)0) #endif if (FIXNUM_P(num)) { t.tv_sec = NUM2TIMET(num); arg_range_check(t.tv_sec); t.tv_nsec = 0; } else if (RB_FLOAT_TYPE_P(num)) { double x = RFLOAT_VALUE(num); arg_range_check(x); { double f, d; d = modf(x, &f); if (d >= 0) { t.tv_nsec = (int)(d*1e9+0.5); if (t.tv_nsec >= 1000000000) { t.tv_nsec -= 1000000000; f += 1; } } else if ((t.tv_nsec = (int)(-d*1e9+0.5)) > 0) { t.tv_nsec = 1000000000 - t.tv_nsec; f -= 1; } t.tv_sec = (time_t)f; if (f != t.tv_sec) { rb_raise(rb_eRangeError, "%f out of Time range", x); } } } else if (RB_BIGNUM_TYPE_P(num)) { t.tv_sec = NUM2TIMET(num); arg_range_check(t.tv_sec); t.tv_nsec = 0; } else { i = INT2FIX(1); ary = rb_check_funcall(num, id_divmod, 1, &i); if (!UNDEF_P(ary) && !NIL_P(ary = rb_check_array_type(ary))) { i = rb_ary_entry(ary, 0); f = rb_ary_entry(ary, 1); t.tv_sec = NUM2TIMET(i); arg_range_check(t.tv_sec); f = rb_funcall(f, '*', 1, INT2FIX(1000000000)); t.tv_nsec = NUM2LONG(f); } else { rb_raise(rb_eTypeError, "can't convert %"PRIsVALUE" into %s", rb_obj_class(num), tstr); } } return t; #undef arg_range_check } static struct timeval time_timeval(VALUE num, int interval) { struct timespec ts; struct timeval tv; ts = time_timespec(num, interval); tv.tv_sec = (TYPEOF_TIMEVAL_TV_SEC)ts.tv_sec; tv.tv_usec = (TYPEOF_TIMEVAL_TV_USEC)(ts.tv_nsec / 1000); return tv; } struct timeval rb_time_interval(VALUE num) { return time_timeval(num, TRUE); } struct timeval rb_time_timeval(VALUE time) { struct time_object *tobj; struct timeval t; struct timespec ts; if (IsTimeval(time)) { GetTimeval(time, tobj); ts = timew2timespec(tobj->timew); t.tv_sec = (TYPEOF_TIMEVAL_TV_SEC)ts.tv_sec; t.tv_usec = (TYPEOF_TIMEVAL_TV_USEC)(ts.tv_nsec / 1000); return t; } return time_timeval(time, FALSE); } struct timespec rb_time_timespec(VALUE time) { struct time_object *tobj; struct timespec t; if (IsTimeval(time)) { GetTimeval(time, tobj); t = timew2timespec(tobj->timew); return t; } return time_timespec(time, FALSE); } struct timespec rb_time_timespec_interval(VALUE num) { return time_timespec(num, TRUE); } static int get_scale(VALUE unit) { if (unit == ID2SYM(id_nanosecond) || unit == ID2SYM(id_nsec)) { return 1000000000; } else if (unit == ID2SYM(id_microsecond) || unit == ID2SYM(id_usec)) { return 1000000; } else if (unit == ID2SYM(id_millisecond)) { return 1000; } else { rb_raise(rb_eArgError, "unexpected unit: %"PRIsVALUE, unit); } } static VALUE time_s_at(rb_execution_context_t *ec, VALUE klass, VALUE time, VALUE subsec, VALUE unit, VALUE zone) { VALUE t; wideval_t timew; if (subsec) { int scale = get_scale(unit); time = num_exact(time); t = num_exact(subsec); timew = wadd(rb_time_magnify(v2w(time)), wmulquoll(v2w(t), TIME_SCALE, scale)); t = time_new_timew(klass, timew); } else if (IsTimeval(time)) { struct time_object *tobj, *tobj2; GetTimeval(time, tobj); t = time_new_timew(klass, tobj->timew); GetTimeval(t, tobj2); TZMODE_COPY(tobj2, tobj); } else { timew = rb_time_magnify(v2w(num_exact(time))); t = time_new_timew(klass, timew); } if (!NIL_P(zone)) { time_zonelocal(t, zone); } return t; } static VALUE time_s_at1(rb_execution_context_t *ec, VALUE klass, VALUE time) { return time_s_at(ec, klass, time, Qfalse, ID2SYM(id_microsecond), Qnil); } static const char months[][4] = { "jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec", }; static int obj2int(VALUE obj) { if (RB_TYPE_P(obj, T_STRING)) { obj = rb_str_to_inum(obj, 10, TRUE); } return NUM2INT(obj); } /* bits should be 0 <= x <= 31 */ static uint32_t obj2ubits(VALUE obj, unsigned int bits) { const unsigned int usable_mask = (1U << bits) - 1; unsigned int rv = (unsigned int)obj2int(obj); if ((rv & usable_mask) != rv) rb_raise(rb_eArgError, "argument out of range"); return (uint32_t)rv; } static VALUE obj2vint(VALUE obj) { if (RB_TYPE_P(obj, T_STRING)) { obj = rb_str_to_inum(obj, 10, TRUE); } else { obj = rb_to_int(obj); } return obj; } static uint32_t obj2subsecx(VALUE obj, VALUE *subsecx) { VALUE subsec; if (RB_TYPE_P(obj, T_STRING)) { obj = rb_str_to_inum(obj, 10, TRUE); *subsecx = INT2FIX(0); } else { divmodv(num_exact(obj), INT2FIX(1), &obj, &subsec); *subsecx = w2v(rb_time_magnify(v2w(subsec))); } return obj2ubits(obj, 6); /* vtm->sec */ } static VALUE usec2subsecx(VALUE obj) { if (RB_TYPE_P(obj, T_STRING)) { obj = rb_str_to_inum(obj, 10, TRUE); } return mulquov(num_exact(obj), INT2FIX(TIME_SCALE), INT2FIX(1000000)); } static uint32_t month_arg(VALUE arg) { int i, mon; if (FIXNUM_P(arg)) { return obj2ubits(arg, 4); } mon = 0; VALUE s = rb_check_string_type(arg); if (!NIL_P(s) && RSTRING_LEN(s) > 0) { arg = s; for (i=0; i<12; i++) { if (RSTRING_LEN(s) == 3 && STRNCASECMP(months[i], RSTRING_PTR(s), 3) == 0) { mon = i+1; break; } } } if (mon == 0) { mon = obj2ubits(arg, 4); } return mon; } static VALUE validate_utc_offset(VALUE utc_offset) { if (le(utc_offset, INT2FIX(-86400)) || ge(utc_offset, INT2FIX(86400))) rb_raise(rb_eArgError, "utc_offset out of range"); return utc_offset; } static VALUE validate_zone_name(VALUE zone_name) { StringValueCStr(zone_name); return zone_name; } static void validate_vtm(struct vtm *vtm) { #define validate_vtm_range(mem, b, e) \ ((vtm->mem < b || vtm->mem > e) ? \ rb_raise(rb_eArgError, #mem" out of range") : (void)0) validate_vtm_range(mon, 1, 12); validate_vtm_range(mday, 1, 31); validate_vtm_range(hour, 0, 24); validate_vtm_range(min, 0, (vtm->hour == 24 ? 0 : 59)); validate_vtm_range(sec, 0, (vtm->hour == 24 ? 0 : 60)); if (lt(vtm->subsecx, INT2FIX(0)) || ge(vtm->subsecx, INT2FIX(TIME_SCALE))) rb_raise(rb_eArgError, "subsecx out of range"); if (!NIL_P(vtm->utc_offset)) validate_utc_offset(vtm->utc_offset); #undef validate_vtm_range } static void time_arg(int argc, const VALUE *argv, struct vtm *vtm) { VALUE v[8]; VALUE subsecx = INT2FIX(0); vtm->year = INT2FIX(0); vtm->mon = 0; vtm->mday = 0; vtm->hour = 0; vtm->min = 0; vtm->sec = 0; vtm->subsecx = INT2FIX(0); vtm->utc_offset = Qnil; vtm->wday = 0; vtm->yday = 0; vtm->isdst = 0; vtm->zone = str_empty; if (argc == 10) { v[0] = argv[5]; v[1] = argv[4]; v[2] = argv[3]; v[3] = argv[2]; v[4] = argv[1]; v[5] = argv[0]; v[6] = Qnil; vtm->isdst = RTEST(argv[8]) ? 1 : 0; } else { rb_scan_args(argc, argv, "17", &v[0],&v[1],&v[2],&v[3],&v[4],&v[5],&v[6],&v[7]); /* v[6] may be usec or zone (parsedate) */ /* v[7] is wday (parsedate; ignored) */ vtm->wday = VTM_WDAY_INITVAL; vtm->isdst = VTM_ISDST_INITVAL; } vtm->year = obj2vint(v[0]); if (NIL_P(v[1])) { vtm->mon = 1; } else { vtm->mon = month_arg(v[1]); } if (NIL_P(v[2])) { vtm->mday = 1; } else { vtm->mday = obj2ubits(v[2], 5); } /* normalize month-mday */ switch (vtm->mon) { case 2: { /* this drops higher bits but it's not a problem to calc leap year */ unsigned int mday2 = leap_year_v_p(vtm->year) ? 29 : 28; if (vtm->mday > mday2) { vtm->mday -= mday2; vtm->mon++; } } break; case 4: case 6: case 9: case 11: if (vtm->mday == 31) { vtm->mon++; vtm->mday = 1; } break; } vtm->hour = NIL_P(v[3])?0:obj2ubits(v[3], 5); vtm->min = NIL_P(v[4])?0:obj2ubits(v[4], 6); if (!NIL_P(v[6]) && argc == 7) { vtm->sec = NIL_P(v[5])?0:obj2ubits(v[5],6); subsecx = usec2subsecx(v[6]); } else { /* when argc == 8, v[6] is timezone, but ignored */ if (NIL_P(v[5])) { vtm->sec = 0; } else { vtm->sec = obj2subsecx(v[5], &subsecx); } } vtm->subsecx = subsecx; validate_vtm(vtm); RB_GC_GUARD(subsecx); } static int leap_year_p(long y) { /* TODO: * ensure about negative years in proleptic Gregorian calendar. */ unsigned long uy = (unsigned long)(LIKELY(y >= 0) ? y : -y); if (LIKELY(uy % 4 != 0)) return 0; unsigned long century = uy / 100; if (LIKELY(uy != century * 100)) return 1; return century % 4 == 0; } static time_t timegm_noleapsecond(struct tm *tm) { long tm_year = tm->tm_year; int tm_yday = calc_tm_yday(tm->tm_year, tm->tm_mon, tm->tm_mday); /* * `Seconds Since the Epoch' in SUSv3: * tm_sec + tm_min*60 + tm_hour*3600 + tm_yday*86400 + * (tm_year-70)*31536000 + ((tm_year-69)/4)*86400 - * ((tm_year-1)/100)*86400 + ((tm_year+299)/400)*86400 */ return tm->tm_sec + tm->tm_min*60 + tm->tm_hour*3600 + (time_t)(tm_yday + (tm_year-70)*365 + DIV(tm_year-69,4) - DIV(tm_year-1,100) + DIV(tm_year+299,400))*86400; } #if 0 #define DEBUG_FIND_TIME_NUMGUESS #define DEBUG_GUESSRANGE #endif static const bool debug_guessrange = #ifdef DEBUG_GUESSRANGE true; #else false; #endif #define DEBUG_REPORT_GUESSRANGE \ (debug_guessrange ? debug_report_guessrange(guess_lo, guess_hi) : (void)0) static inline void debug_report_guessrange(time_t guess_lo, time_t guess_hi) { time_t guess_diff = guess_hi - guess_lo; fprintf(stderr, "find time guess range: %"PRI_TIMET_PREFIX"d - " "%"PRI_TIMET_PREFIX"d : %"PRI_TIMET_PREFIX"u\n", guess_lo, guess_hi, guess_diff); } static const bool debug_find_time_numguess = #ifdef DEBUG_FIND_TIME_NUMGUESS true; #else false; #endif #define DEBUG_FIND_TIME_NUMGUESS_INC \ (void)(debug_find_time_numguess && find_time_numguess++), static unsigned long long find_time_numguess; static VALUE find_time_numguess_getter(ID name, VALUE *data) { unsigned long long *numguess = (void *)data; return ULL2NUM(*numguess); } static const char * find_time_t(struct tm *tptr, int utc_p, time_t *tp) { time_t guess, guess0, guess_lo, guess_hi; struct tm *tm, tm0, tm_lo, tm_hi; int d; int find_dst; struct tm result; int status; int tptr_tm_yday; #define GUESS(p) (DEBUG_FIND_TIME_NUMGUESS_INC (utc_p ? gmtime_with_leapsecond((p), &result) : LOCALTIME((p), result))) guess_lo = TIMET_MIN; guess_hi = TIMET_MAX; find_dst = 0 < tptr->tm_isdst; /* /etc/localtime might be changed. reload it. */ update_tz(); tm0 = *tptr; if (tm0.tm_mon < 0) { tm0.tm_mon = 0; tm0.tm_mday = 1; tm0.tm_hour = 0; tm0.tm_min = 0; tm0.tm_sec = 0; } else if (11 < tm0.tm_mon) { tm0.tm_mon = 11; tm0.tm_mday = 31; tm0.tm_hour = 23; tm0.tm_min = 59; tm0.tm_sec = 60; } else if (tm0.tm_mday < 1) { tm0.tm_mday = 1; tm0.tm_hour = 0; tm0.tm_min = 0; tm0.tm_sec = 0; } else if ((d = days_in_month_in(1900 + tm0.tm_year)[tm0.tm_mon]) < tm0.tm_mday) { tm0.tm_mday = d; tm0.tm_hour = 23; tm0.tm_min = 59; tm0.tm_sec = 60; } else if (tm0.tm_hour < 0) { tm0.tm_hour = 0; tm0.tm_min = 0; tm0.tm_sec = 0; } else if (23 < tm0.tm_hour) { tm0.tm_hour = 23; tm0.tm_min = 59; tm0.tm_sec = 60; } else if (tm0.tm_min < 0) { tm0.tm_min = 0; tm0.tm_sec = 0; } else if (59 < tm0.tm_min) { tm0.tm_min = 59; tm0.tm_sec = 60; } else if (tm0.tm_sec < 0) { tm0.tm_sec = 0; } else if (60 < tm0.tm_sec) { tm0.tm_sec = 60; } DEBUG_REPORT_GUESSRANGE; guess0 = guess = timegm_noleapsecond(&tm0); tm = GUESS(&guess); if (tm) { d = tmcmp(tptr, tm); if (d == 0) { goto found; } if (d < 0) { guess_hi = guess; guess -= 24 * 60 * 60; } else { guess_lo = guess; guess += 24 * 60 * 60; } DEBUG_REPORT_GUESSRANGE; if (guess_lo < guess && guess < guess_hi && (tm = GUESS(&guess)) != NULL) { d = tmcmp(tptr, tm); if (d == 0) { goto found; } if (d < 0) guess_hi = guess; else guess_lo = guess; DEBUG_REPORT_GUESSRANGE; } } tm = GUESS(&guess_lo); if (!tm) goto error; d = tmcmp(tptr, tm); if (d < 0) goto out_of_range; if (d == 0) { guess = guess_lo; goto found; } tm_lo = *tm; tm = GUESS(&guess_hi); if (!tm) goto error; d = tmcmp(tptr, tm); if (d > 0) goto out_of_range; if (d == 0) { guess = guess_hi; goto found; } tm_hi = *tm; DEBUG_REPORT_GUESSRANGE; status = 1; while (guess_lo + 1 < guess_hi) { binsearch: if (status == 0) { guess = guess_lo / 2 + guess_hi / 2; if (guess <= guess_lo) guess = guess_lo + 1; else if (guess >= guess_hi) guess = guess_hi - 1; status = 1; } else { if (status == 1) { time_t guess0_hi = timegm_noleapsecond(&tm_hi); guess = guess_hi - (guess0_hi - guess0); if (guess == guess_hi) /* hh:mm:60 tends to cause this condition. */ guess--; status = 2; } else if (status == 2) { time_t guess0_lo = timegm_noleapsecond(&tm_lo); guess = guess_lo + (guess0 - guess0_lo); if (guess == guess_lo) guess++; status = 0; } if (guess <= guess_lo || guess_hi <= guess) { /* Previous guess is invalid. try binary search. */ if (debug_guessrange) { if (guess <= guess_lo) { fprintf(stderr, "too small guess: %"PRI_TIMET_PREFIX"d"\ " <= %"PRI_TIMET_PREFIX"d\n", guess, guess_lo); } if (guess_hi <= guess) { fprintf(stderr, "too big guess: %"PRI_TIMET_PREFIX"d"\ " <= %"PRI_TIMET_PREFIX"d\n", guess_hi, guess); } } status = 0; goto binsearch; } } tm = GUESS(&guess); if (!tm) goto error; d = tmcmp(tptr, tm); if (d < 0) { guess_hi = guess; tm_hi = *tm; DEBUG_REPORT_GUESSRANGE; } else if (d > 0) { guess_lo = guess; tm_lo = *tm; DEBUG_REPORT_GUESSRANGE; } else { goto found; } } /* Given argument has no corresponding time_t. Let's extrapolate. */ /* * `Seconds Since the Epoch' in SUSv3: * tm_sec + tm_min*60 + tm_hour*3600 + tm_yday*86400 + * (tm_year-70)*31536000 + ((tm_year-69)/4)*86400 - * ((tm_year-1)/100)*86400 + ((tm_year+299)/400)*86400 */ tptr_tm_yday = calc_tm_yday(tptr->tm_year, tptr->tm_mon, tptr->tm_mday); *tp = guess_lo + ((tptr->tm_year - tm_lo.tm_year) * 365 + DIV((tptr->tm_year-69), 4) - DIV((tptr->tm_year-1), 100) + DIV((tptr->tm_year+299), 400) - DIV((tm_lo.tm_year-69), 4) + DIV((tm_lo.tm_year-1), 100) - DIV((tm_lo.tm_year+299), 400) + tptr_tm_yday - tm_lo.tm_yday) * 86400 + (tptr->tm_hour - tm_lo.tm_hour) * 3600 + (tptr->tm_min - tm_lo.tm_min) * 60 + (tptr->tm_sec - (tm_lo.tm_sec == 60 ? 59 : tm_lo.tm_sec)); return NULL; found: if (!utc_p) { /* If localtime is nonmonotonic, another result may exist. */ time_t guess2; if (find_dst) { guess2 = guess - 2 * 60 * 60; tm = LOCALTIME(&guess2, result); if (tm) { if (tptr->tm_hour != (tm->tm_hour + 2) % 24 || tptr->tm_min != tm->tm_min || tptr->tm_sec != tm->tm_sec) { guess2 -= (tm->tm_hour - tptr->tm_hour) * 60 * 60 + (tm->tm_min - tptr->tm_min) * 60 + (tm->tm_sec - tptr->tm_sec); if (tptr->tm_mday != tm->tm_mday) guess2 += 24 * 60 * 60; if (guess != guess2) { tm = LOCALTIME(&guess2, result); if (tm && tmcmp(tptr, tm) == 0) { if (guess < guess2) *tp = guess; else *tp = guess2; return NULL; } } } } } else { guess2 = guess + 2 * 60 * 60; tm = LOCALTIME(&guess2, result); if (tm) { if ((tptr->tm_hour + 2) % 24 != tm->tm_hour || tptr->tm_min != tm->tm_min || tptr->tm_sec != tm->tm_sec) { guess2 -= (tm->tm_hour - tptr->tm_hour) * 60 * 60 + (tm->tm_min - tptr->tm_min) * 60 + (tm->tm_sec - tptr->tm_sec); if (tptr->tm_mday != tm->tm_mday) guess2 -= 24 * 60 * 60; if (guess != guess2) { tm = LOCALTIME(&guess2, result); if (tm && tmcmp(tptr, tm) == 0) { if (guess < guess2) *tp = guess2; else *tp = guess; return NULL; } } } } } } *tp = guess; return NULL; out_of_range: return "time out of range"; error: return "gmtime/localtime error"; } static int vtmcmp(struct vtm *a, struct vtm *b) { if (ne(a->year, b->year)) return lt(a->year, b->year) ? -1 : 1; else if (a->mon != b->mon) return a->mon < b->mon ? -1 : 1; else if (a->mday != b->mday) return a->mday < b->mday ? -1 : 1; else if (a->hour != b->hour) return a->hour < b->hour ? -1 : 1; else if (a->min != b->min) return a->min < b->min ? -1 : 1; else if (a->sec != b->sec) return a->sec < b->sec ? -1 : 1; else if (ne(a->subsecx, b->subsecx)) return lt(a->subsecx, b->subsecx) ? -1 : 1; else return 0; } static int tmcmp(struct tm *a, struct tm *b) { if (a->tm_year != b->tm_year) return a->tm_year < b->tm_year ? -1 : 1; else if (a->tm_mon != b->tm_mon) return a->tm_mon < b->tm_mon ? -1 : 1; else if (a->tm_mday != b->tm_mday) return a->tm_mday < b->tm_mday ? -1 : 1; else if (a->tm_hour != b->tm_hour) return a->tm_hour < b->tm_hour ? -1 : 1; else if (a->tm_min != b->tm_min) return a->tm_min < b->tm_min ? -1 : 1; else if (a->tm_sec != b->tm_sec) return a->tm_sec < b->tm_sec ? -1 : 1; else return 0; } /* * call-seq: * Time.utc(year, month = 1, mday = 1, hour = 0, min = 0, sec = 0, usec = 0) -> new_time * Time.utc(sec, min, hour, mday, month, year, dummy, dummy, dummy, dummy) -> new_time * * Returns a new +Time+ object based the on given arguments, * in the UTC timezone. * * With one to seven arguments given, * the arguments are interpreted as in the first calling sequence above: * * Time.utc(year, month = 1, mday = 1, hour = 0, min = 0, sec = 0, usec = 0) * * Examples: * * Time.utc(2000) # => 2000-01-01 00:00:00 UTC * Time.utc(-2000) # => -2000-01-01 00:00:00 UTC * * There are no minimum and maximum values for the required argument +year+. * * For the optional arguments: * * - +month+: Month in range (1..12), or case-insensitive * 3-letter month name: * * Time.utc(2000, 1) # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 12) # => 2000-12-01 00:00:00 UTC * Time.utc(2000, 'jan') # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 'JAN') # => 2000-01-01 00:00:00 UTC * * - +mday+: Month day in range(1..31): * * Time.utc(2000, 1, 1) # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 1, 31) # => 2000-01-31 00:00:00 UTC * * - +hour+: Hour in range (0..23), or 24 if +min+, +sec+, and +usec+ * are zero: * * Time.utc(2000, 1, 1, 0) # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 1, 1, 23) # => 2000-01-01 23:00:00 UTC * Time.utc(2000, 1, 1, 24) # => 2000-01-02 00:00:00 UTC * * - +min+: Minute in range (0..59): * * Time.utc(2000, 1, 1, 0, 0) # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 1, 1, 0, 59) # => 2000-01-01 00:59:00 UTC * * - +sec+: Second in range (0..59), or 60 if +usec+ is zero: * * Time.utc(2000, 1, 1, 0, 0, 0) # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 1, 1, 0, 0, 59) # => 2000-01-01 00:00:59 UTC * Time.utc(2000, 1, 1, 0, 0, 60) # => 2000-01-01 00:01:00 UTC * * - +usec+: Microsecond in range (0..999999): * * Time.utc(2000, 1, 1, 0, 0, 0, 0) # => 2000-01-01 00:00:00 UTC * Time.utc(2000, 1, 1, 0, 0, 0, 999999) # => 2000-01-01 00:00:00.999999 UTC * * The values may be: * * - Integers, as above. * - Numerics convertible to integers: * * Time.utc(Float(0.0), Rational(1, 1), 1.0, 0.0, 0.0, 0.0, 0.0) * # => 0000-01-01 00:00:00 UTC * * - String integers: * * a = %w[0 1 1 0 0 0 0 0] * # => ["0", "1", "1", "0", "0", "0", "0", "0"] * Time.utc(*a) # => 0000-01-01 00:00:00 UTC * * When exactly ten arguments are given, * the arguments are interpreted as in the second calling sequence above: * * Time.utc(sec, min, hour, mday, month, year, dummy, dummy, dummy, dummy) * * where the +dummy+ arguments are ignored: * * a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] * # => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] * Time.utc(*a) # => 0005-04-03 02:01:00 UTC * * This form is useful for creating a +Time+ object from a 10-element * array returned by Time.to_a: * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) # => 2000-01-02 03:04:05 +000006 * a = t.to_a # => [5, 4, 3, 2, 1, 2000, 0, 2, false, nil] * Time.utc(*a) # => 2000-01-02 03:04:05 UTC * * The two forms have their first six arguments in common, * though in different orders; * the ranges of these common arguments are the same for both forms; see above. * * Raises an exception if the number of arguments is eight, nine, * or greater than ten. * * Related: Time.local. * */ static VALUE time_s_mkutc(int argc, VALUE *argv, VALUE klass) { struct vtm vtm; time_arg(argc, argv, &vtm); return time_gmtime(time_new_timew(klass, timegmw(&vtm))); } /* * call-seq: * Time.local(year, month = 1, mday = 1, hour = 0, min = 0, sec = 0, usec = 0) -> new_time * Time.local(sec, min, hour, mday, month, year, dummy, dummy, dummy, dummy) -> new_time * * Like Time.utc, except that the returned +Time+ object * has the local timezone, not the UTC timezone: * * # With seven arguments. * Time.local(0, 1, 2, 3, 4, 5, 6) * # => 0000-01-02 03:04:05.000006 -0600 * # With exactly ten arguments. * Time.local(0, 1, 2, 3, 4, 5, 6, 7, 8, 9) * # => 0005-04-03 02:01:00 -0600 * */ static VALUE time_s_mktime(int argc, VALUE *argv, VALUE klass) { struct vtm vtm; time_arg(argc, argv, &vtm); return time_localtime(time_new_timew(klass, timelocalw(&vtm))); } /* * call-seq: * to_i -> integer * * Returns the value of +self+ as integer * {Epoch seconds}[rdoc-ref:Time@Epoch+Seconds]; * subseconds are truncated (not rounded): * * Time.utc(1970, 1, 1, 0, 0, 0).to_i # => 0 * Time.utc(1970, 1, 1, 0, 0, 0, 999999).to_i # => 0 * Time.utc(1950, 1, 1, 0, 0, 0).to_i # => -631152000 * Time.utc(1990, 1, 1, 0, 0, 0).to_i # => 631152000 * * Related: Time#to_f Time#to_r. */ static VALUE time_to_i(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); return w2v(wdiv(tobj->timew, WINT2FIXWV(TIME_SCALE))); } /* * call-seq: * to_f -> float * * Returns the value of +self+ as a Float number * {Epoch seconds}[rdoc-ref:Time@Epoch+Seconds]; * subseconds are included. * * The stored value of +self+ is a * {Rational}[rdoc-ref:Rational@#method-i-to_f], * which means that the returned value may be approximate: * * Time.utc(1970, 1, 1, 0, 0, 0).to_f # => 0.0 * Time.utc(1970, 1, 1, 0, 0, 0, 999999).to_f # => 0.999999 * Time.utc(1950, 1, 1, 0, 0, 0).to_f # => -631152000.0 * Time.utc(1990, 1, 1, 0, 0, 0).to_f # => 631152000.0 * * Related: Time#to_i, Time#to_r. */ static VALUE time_to_f(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); return rb_Float(rb_time_unmagnify_to_float(tobj->timew)); } /* * call-seq: * to_r -> rational * * Returns the value of +self+ as a Rational exact number of * {Epoch seconds}[rdoc-ref:Time@Epoch+Seconds]; * * Time.now.to_r # => (16571402750320203/10000000) * * Related: Time#to_f, Time#to_i. */ static VALUE time_to_r(VALUE time) { struct time_object *tobj; VALUE v; GetTimeval(time, tobj); v = rb_time_unmagnify_to_rational(tobj->timew); if (!RB_TYPE_P(v, T_RATIONAL)) { v = rb_Rational1(v); } return v; } /* * call-seq: * usec -> integer * * Returns the number of microseconds in the subseconds part of +self+ * in the range (0..999_999); * lower-order digits are truncated, not rounded: * * t = Time.now # => 2022-07-11 14:59:47.5484697 -0500 * t.usec # => 548469 * * Related: Time#subsec (returns exact subseconds). */ static VALUE time_usec(VALUE time) { struct time_object *tobj; wideval_t w, q, r; GetTimeval(time, tobj); w = wmod(tobj->timew, WINT2WV(TIME_SCALE)); wmuldivmod(w, WINT2FIXWV(1000000), WINT2FIXWV(TIME_SCALE), &q, &r); return rb_to_int(w2v(q)); } /* * call-seq: * nsec -> integer * * Returns the number of nanoseconds in the subseconds part of +self+ * in the range (0..999_999_999); * lower-order digits are truncated, not rounded: * * t = Time.now # => 2022-07-11 15:04:53.3219637 -0500 * t.nsec # => 321963700 * * Related: Time#subsec (returns exact subseconds). */ static VALUE time_nsec(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); return rb_to_int(w2v(wmulquoll(wmod(tobj->timew, WINT2WV(TIME_SCALE)), 1000000000, TIME_SCALE))); } /* * call-seq: * subsec -> numeric * * Returns the exact subseconds for +self+ as a Numeric * (Integer or Rational): * * t = Time.now # => 2022-07-11 15:11:36.8490302 -0500 * t.subsec # => (4245151/5000000) * * If the subseconds is zero, returns integer zero: * * t = Time.new(2000, 1, 1, 2, 3, 4) # => 2000-01-01 02:03:04 -0600 * t.subsec # => 0 * */ static VALUE time_subsec(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); return quov(w2v(wmod(tobj->timew, WINT2FIXWV(TIME_SCALE))), INT2FIX(TIME_SCALE)); } /* * call-seq: * self <=> other_time -> -1, 0, +1, or nil * * Compares +self+ with +other_time+; returns: * * - +-1+, if +self+ is less than +other_time+. * - +0+, if +self+ is equal to +other_time+. * - +1+, if +self+ is greater then +other_time+. * - +nil+, if +self+ and +other_time+ are incomparable. * * Examples: * * t = Time.now # => 2007-11-19 08:12:12 -0600 * t2 = t + 2592000 # => 2007-12-19 08:12:12 -0600 * t <=> t2 # => -1 * t2 <=> t # => 1 * * t = Time.now # => 2007-11-19 08:13:38 -0600 * t2 = t + 0.1 # => 2007-11-19 08:13:38 -0600 * t.nsec # => 98222999 * t2.nsec # => 198222999 * t <=> t2 # => -1 * t2 <=> t # => 1 * t <=> t # => 0 * */ static VALUE time_cmp(VALUE time1, VALUE time2) { struct time_object *tobj1, *tobj2; int n; GetTimeval(time1, tobj1); if (IsTimeval(time2)) { GetTimeval(time2, tobj2); n = wcmp(tobj1->timew, tobj2->timew); } else { return rb_invcmp(time1, time2); } if (n == 0) return INT2FIX(0); if (n > 0) return INT2FIX(1); return INT2FIX(-1); } /* * call-seq: * eql?(other_time) * * Returns +true+ if +self+ and +other_time+ are * both +Time+ objects with the exact same time value. */ static VALUE time_eql(VALUE time1, VALUE time2) { struct time_object *tobj1, *tobj2; GetTimeval(time1, tobj1); if (IsTimeval(time2)) { GetTimeval(time2, tobj2); return rb_equal(w2v(tobj1->timew), w2v(tobj2->timew)); } return Qfalse; } /* * call-seq: * utc? -> true or false * * Returns +true+ if +self+ represents a time in UTC (GMT): * * now = Time.now * # => 2022-08-18 10:24:13.5398485 -0500 * now.utc? # => false * utc = Time.utc(2000, 1, 1, 20, 15, 1) * # => 2000-01-01 20:15:01 UTC * utc.utc? # => true * * Related: Time.utc. */ static VALUE time_utc_p(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); return RBOOL(TZMODE_UTC_P(tobj)); } /* * call-seq: * hash -> integer * * Returns the integer hash code for +self+. * * Related: Object#hash. */ static VALUE time_hash(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); return rb_hash(w2v(tobj->timew)); } /* :nodoc: */ static VALUE time_init_copy(VALUE copy, VALUE time) { struct time_object *tobj, *tcopy; if (!OBJ_INIT_COPY(copy, time)) return copy; GetTimeval(time, tobj); GetNewTimeval(copy, tcopy); MEMCPY(tcopy, tobj, struct time_object, 1); return copy; } static VALUE time_dup(VALUE time) { VALUE dup = time_s_alloc(rb_obj_class(time)); time_init_copy(dup, time); return dup; } static VALUE time_localtime(VALUE time) { struct time_object *tobj; struct vtm vtm; VALUE zone; GetTimeval(time, tobj); if (TZMODE_LOCALTIME_P(tobj)) { if (tobj->vtm.tm_got) return time; } else { time_modify(time); } zone = tobj->vtm.zone; if (maybe_tzobj_p(zone) && zone_localtime(zone, time)) { return time; } if (!localtimew(tobj->timew, &vtm)) rb_raise(rb_eArgError, "localtime error"); time_set_vtm(time, tobj, vtm); tobj->vtm.tm_got = 1; TZMODE_SET_LOCALTIME(tobj); return time; } static VALUE time_zonelocal(VALUE time, VALUE off) { VALUE zone = off; if (zone_localtime(zone, time)) return time; if (NIL_P(off = utc_offset_arg(off))) { off = zone; if (NIL_P(zone = find_timezone(time, off))) invalid_utc_offset(off); if (!zone_localtime(zone, time)) invalid_utc_offset(off); return time; } else if (off == UTC_ZONE) { return time_gmtime(time); } validate_utc_offset(off); time_set_utc_offset(time, off); return time_fixoff(time); } /* * call-seq: * localtime -> self or new_time * localtime(zone) -> new_time * * With no argument given: * * - Returns +self+ if +self+ is a local time. * - Otherwise returns a new +Time+ in the user's local timezone: * * t = Time.utc(2000, 1, 1, 20, 15, 1) # => 2000-01-01 20:15:01 UTC * t.localtime # => 2000-01-01 14:15:01 -0600 * * With argument +zone+ given, * returns the new +Time+ object created by converting * +self+ to the given time zone: * * t = Time.utc(2000, 1, 1, 20, 15, 1) # => 2000-01-01 20:15:01 UTC * t.localtime("-09:00") # => 2000-01-01 11:15:01 -0900 * * For forms of argument +zone+, see * {Timezone Specifiers}[rdoc-ref:Time@Timezone+Specifiers]. * */ static VALUE time_localtime_m(int argc, VALUE *argv, VALUE time) { VALUE off; if (rb_check_arity(argc, 0, 1) && !NIL_P(off = argv[0])) { return time_zonelocal(time, off); } return time_localtime(time); } /* * call-seq: * utc -> self * * Returns +self+, converted to the UTC timezone: * * t = Time.new(2000) # => 2000-01-01 00:00:00 -0600 * t.utc? # => false * t.utc # => 2000-01-01 06:00:00 UTC * t.utc? # => true * * Related: Time#getutc (returns a new converted +Time+ object). */ static VALUE time_gmtime(VALUE time) { struct time_object *tobj; struct vtm vtm; GetTimeval(time, tobj); if (TZMODE_UTC_P(tobj)) { if (tobj->vtm.tm_got) return time; } else { time_modify(time); } vtm.zone = str_utc; GMTIMEW(tobj->timew, &vtm); time_set_vtm(time, tobj, vtm); tobj->vtm.tm_got = 1; TZMODE_SET_UTC(tobj); return time; } static VALUE time_fixoff(VALUE time) { struct time_object *tobj; struct vtm vtm; VALUE off, zone; GetTimeval(time, tobj); if (TZMODE_FIXOFF_P(tobj)) { if (tobj->vtm.tm_got) return time; } else { time_modify(time); } if (TZMODE_FIXOFF_P(tobj)) off = tobj->vtm.utc_offset; else off = INT2FIX(0); GMTIMEW(tobj->timew, &vtm); zone = tobj->vtm.zone; vtm_add_offset(&vtm, off, +1); time_set_vtm(time, tobj, vtm); RB_OBJ_WRITE_UNALIGNED(time, &tobj->vtm.zone, zone); tobj->vtm.tm_got = 1; TZMODE_SET_FIXOFF(time, tobj, off); return time; } /* * call-seq: * getlocal(zone = nil) -> new_time * * Returns a new +Time+ object representing the value of +self+ * converted to a given timezone; * if +zone+ is +nil+, the local timezone is used: * * t = Time.utc(2000) # => 2000-01-01 00:00:00 UTC * t.getlocal # => 1999-12-31 18:00:00 -0600 * t.getlocal('+12:00') # => 2000-01-01 12:00:00 +1200 * * For forms of argument +zone+, see * {Timezone Specifiers}[rdoc-ref:Time@Timezone+Specifiers]. * */ static VALUE time_getlocaltime(int argc, VALUE *argv, VALUE time) { VALUE off; if (rb_check_arity(argc, 0, 1) && !NIL_P(off = argv[0])) { VALUE zone = off; if (maybe_tzobj_p(zone)) { VALUE t = time_dup(time); if (zone_localtime(off, t)) return t; } if (NIL_P(off = utc_offset_arg(off))) { off = zone; if (NIL_P(zone = find_timezone(time, off))) invalid_utc_offset(off); time = time_dup(time); if (!zone_localtime(zone, time)) invalid_utc_offset(off); return time; } else if (off == UTC_ZONE) { return time_gmtime(time_dup(time)); } validate_utc_offset(off); time = time_dup(time); time_set_utc_offset(time, off); return time_fixoff(time); } return time_localtime(time_dup(time)); } /* * call-seq: * getutc -> new_time * * Returns a new +Time+ object representing the value of +self+ * converted to the UTC timezone: * * local = Time.local(2000) # => 2000-01-01 00:00:00 -0600 * local.utc? # => false * utc = local.getutc # => 2000-01-01 06:00:00 UTC * utc.utc? # => true * utc == local # => true * */ static VALUE time_getgmtime(VALUE time) { return time_gmtime(time_dup(time)); } static VALUE time_get_tm(VALUE time, struct time_object *tobj) { if (TZMODE_UTC_P(tobj)) return time_gmtime(time); if (TZMODE_FIXOFF_P(tobj)) return time_fixoff(time); return time_localtime(time); } static VALUE strftime_cstr(const char *fmt, size_t len, VALUE time, rb_encoding *enc); #define strftimev(fmt, time, enc) strftime_cstr((fmt), rb_strlen_lit(fmt), (time), (enc)) /* * call-seq: * ctime -> string * * Returns a string representation of +self+, * formatted by strftime('%a %b %e %T %Y') * or its shorthand version strftime('%c'); * see {Formats for Dates and Times}[rdoc-ref:strftime_formatting.rdoc]: * * t = Time.new(2000, 12, 31, 23, 59, 59, 0.5) * t.ctime # => "Sun Dec 31 23:59:59 2000" * t.strftime('%a %b %e %T %Y') # => "Sun Dec 31 23:59:59 2000" * t.strftime('%c') # => "Sun Dec 31 23:59:59 2000" * * Related: Time#to_s, Time#inspect: * * t.inspect # => "2000-12-31 23:59:59.5 +000001" * t.to_s # => "2000-12-31 23:59:59 +0000" * */ static VALUE time_asctime(VALUE time) { return strftimev("%a %b %e %T %Y", time, rb_usascii_encoding()); } /* * call-seq: * to_s -> string * * Returns a string representation of +self+, without subseconds: * * t = Time.new(2000, 12, 31, 23, 59, 59, 0.5) * t.to_s # => "2000-12-31 23:59:59 +0000" * * Related: Time#ctime, Time#inspect: * * t.ctime # => "Sun Dec 31 23:59:59 2000" * t.inspect # => "2000-12-31 23:59:59.5 +000001" * */ static VALUE time_to_s(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); if (TZMODE_UTC_P(tobj)) return strftimev("%Y-%m-%d %H:%M:%S UTC", time, rb_usascii_encoding()); else return strftimev("%Y-%m-%d %H:%M:%S %z", time, rb_usascii_encoding()); } /* * call-seq: * inspect -> string * * Returns a string representation of +self+ with subseconds: * * t = Time.new(2000, 12, 31, 23, 59, 59, 0.5) * t.inspect # => "2000-12-31 23:59:59.5 +000001" * * Related: Time#ctime, Time#to_s: * * t.ctime # => "Sun Dec 31 23:59:59 2000" * t.to_s # => "2000-12-31 23:59:59 +0000" * */ static VALUE time_inspect(VALUE time) { struct time_object *tobj; VALUE str, subsec; GetTimeval(time, tobj); str = strftimev("%Y-%m-%d %H:%M:%S", time, rb_usascii_encoding()); subsec = w2v(wmod(tobj->timew, WINT2FIXWV(TIME_SCALE))); if (subsec == INT2FIX(0)) { } else if (FIXNUM_P(subsec) && FIX2LONG(subsec) < TIME_SCALE) { long len; rb_str_catf(str, ".%09ld", FIX2LONG(subsec)); for (len=RSTRING_LEN(str); RSTRING_PTR(str)[len-1] == '0' && len > 0; len--) ; rb_str_resize(str, len); } else { rb_str_cat_cstr(str, " "); subsec = quov(subsec, INT2FIX(TIME_SCALE)); rb_str_concat(str, rb_obj_as_string(subsec)); } if (TZMODE_UTC_P(tobj)) { rb_str_cat_cstr(str, " UTC"); } else { /* ?TODO: subsecond offset */ long off = NUM2LONG(rb_funcall(tobj->vtm.utc_offset, rb_intern("round"), 0)); char sign = (off < 0) ? (off = -off, '-') : '+'; int sec = off % 60; int min = (off /= 60) % 60; off /= 60; rb_str_catf(str, " %c%.2d%.2d", sign, (int)off, min); if (sec) rb_str_catf(str, "%.2d", sec); } return str; } static VALUE time_add0(VALUE klass, const struct time_object *tobj, VALUE torig, VALUE offset, int sign) { VALUE result; struct time_object *result_tobj; offset = num_exact(offset); if (sign < 0) result = time_new_timew(klass, wsub(tobj->timew, rb_time_magnify(v2w(offset)))); else result = time_new_timew(klass, wadd(tobj->timew, rb_time_magnify(v2w(offset)))); GetTimeval(result, result_tobj); TZMODE_COPY(result_tobj, tobj); return result; } static VALUE time_add(const struct time_object *tobj, VALUE torig, VALUE offset, int sign) { return time_add0(rb_cTime, tobj, torig, offset, sign); } /* * call-seq: * self + numeric -> new_time * * Returns a new +Time+ object whose value is the sum of the numeric value * of +self+ and the given +numeric+: * * t = Time.new(2000) # => 2000-01-01 00:00:00 -0600 * t + (60 * 60 * 24) # => 2000-01-02 00:00:00 -0600 * t + 0.5 # => 2000-01-01 00:00:00.5 -0600 * * Related: Time#-. */ static VALUE time_plus(VALUE time1, VALUE time2) { struct time_object *tobj; GetTimeval(time1, tobj); if (IsTimeval(time2)) { rb_raise(rb_eTypeError, "time + time?"); } return time_add(tobj, time1, time2, 1); } /* * call-seq: * self - numeric -> new_time * self - other_time -> float * * When +numeric+ is given, * returns a new +Time+ object whose value is the difference * of the numeric value of +self+ and +numeric+: * * t = Time.new(2000) # => 2000-01-01 00:00:00 -0600 * t - (60 * 60 * 24) # => 1999-12-31 00:00:00 -0600 * t - 0.5 # => 1999-12-31 23:59:59.5 -0600 * * When +other_time+ is given, * returns a Float whose value is the difference * of the numeric values of +self+ and +other_time+ in seconds: * * t - t # => 0.0 * * Related: Time#+. */ static VALUE time_minus(VALUE time1, VALUE time2) { struct time_object *tobj; GetTimeval(time1, tobj); if (IsTimeval(time2)) { struct time_object *tobj2; GetTimeval(time2, tobj2); return rb_Float(rb_time_unmagnify_to_float(wsub(tobj->timew, tobj2->timew))); } return time_add(tobj, time1, time2, -1); } static VALUE ndigits_denominator(VALUE ndigits) { long nd = NUM2LONG(ndigits); if (nd < 0) { rb_raise(rb_eArgError, "negative ndigits given"); } if (nd == 0) { return INT2FIX(1); } return rb_rational_new(INT2FIX(1), rb_int_positive_pow(10, (unsigned long)nd)); } /* * call-seq: * round(ndigits = 0) -> new_time * * Returns a new +Time+ object whose numeric value is that of +self+, * with its seconds value rounded to precision +ndigits+: * * t = Time.utc(2010, 3, 30, 5, 43, 25.123456789r) * t # => 2010-03-30 05:43:25.123456789 UTC * t.round # => 2010-03-30 05:43:25 UTC * t.round(0) # => 2010-03-30 05:43:25 UTC * t.round(1) # => 2010-03-30 05:43:25.1 UTC * t.round(2) # => 2010-03-30 05:43:25.12 UTC * t.round(3) # => 2010-03-30 05:43:25.123 UTC * t.round(4) # => 2010-03-30 05:43:25.1235 UTC * * t = Time.utc(1999, 12,31, 23, 59, 59) * t # => 1999-12-31 23:59:59 UTC * (t + 0.4).round # => 1999-12-31 23:59:59 UTC * (t + 0.49).round # => 1999-12-31 23:59:59 UTC * (t + 0.5).round # => 2000-01-01 00:00:00 UTC * (t + 1.4).round # => 2000-01-01 00:00:00 UTC * (t + 1.49).round # => 2000-01-01 00:00:00 UTC * (t + 1.5).round # => 2000-01-01 00:00:01 UTC * * Related: Time#ceil, Time#floor. */ static VALUE time_round(int argc, VALUE *argv, VALUE time) { VALUE ndigits, v, den; struct time_object *tobj; if (!rb_check_arity(argc, 0, 1) || NIL_P(ndigits = argv[0])) den = INT2FIX(1); else den = ndigits_denominator(ndigits); GetTimeval(time, tobj); v = w2v(rb_time_unmagnify(tobj->timew)); v = modv(v, den); if (lt(v, quov(den, INT2FIX(2)))) return time_add(tobj, time, v, -1); else return time_add(tobj, time, subv(den, v), 1); } /* * call-seq: * floor(ndigits = 0) -> new_time * * Returns a new +Time+ object whose numerical value * is less than or equal to +self+ with its seconds * truncated to precision +ndigits+: * * t = Time.utc(2010, 3, 30, 5, 43, 25.123456789r) * t # => 2010-03-30 05:43:25.123456789 UTC * t.floor # => 2010-03-30 05:43:25 UTC * t.floor(2) # => 2010-03-30 05:43:25.12 UTC * t.floor(4) # => 2010-03-30 05:43:25.1234 UTC * t.floor(6) # => 2010-03-30 05:43:25.123456 UTC * t.floor(8) # => 2010-03-30 05:43:25.12345678 UTC * t.floor(10) # => 2010-03-30 05:43:25.123456789 UTC * * t = Time.utc(1999, 12, 31, 23, 59, 59) * t # => 1999-12-31 23:59:59 UTC * (t + 0.4).floor # => 1999-12-31 23:59:59 UTC * (t + 0.9).floor # => 1999-12-31 23:59:59 UTC * (t + 1.4).floor # => 2000-01-01 00:00:00 UTC * (t + 1.9).floor # => 2000-01-01 00:00:00 UTC * * Related: Time#ceil, Time#round. */ static VALUE time_floor(int argc, VALUE *argv, VALUE time) { VALUE ndigits, v, den; struct time_object *tobj; if (!rb_check_arity(argc, 0, 1) || NIL_P(ndigits = argv[0])) den = INT2FIX(1); else den = ndigits_denominator(ndigits); GetTimeval(time, tobj); v = w2v(rb_time_unmagnify(tobj->timew)); v = modv(v, den); return time_add(tobj, time, v, -1); } /* * call-seq: * ceil(ndigits = 0) -> new_time * * Returns a new +Time+ object whose numerical value * is greater than or equal to +self+ with its seconds * truncated to precision +ndigits+: * * t = Time.utc(2010, 3, 30, 5, 43, 25.123456789r) * t # => 2010-03-30 05:43:25.123456789 UTC * t.ceil # => 2010-03-30 05:43:26 UTC * t.ceil(2) # => 2010-03-30 05:43:25.13 UTC * t.ceil(4) # => 2010-03-30 05:43:25.1235 UTC * t.ceil(6) # => 2010-03-30 05:43:25.123457 UTC * t.ceil(8) # => 2010-03-30 05:43:25.12345679 UTC * t.ceil(10) # => 2010-03-30 05:43:25.123456789 UTC * * t = Time.utc(1999, 12, 31, 23, 59, 59) * t # => 1999-12-31 23:59:59 UTC * (t + 0.4).ceil # => 2000-01-01 00:00:00 UTC * (t + 0.9).ceil # => 2000-01-01 00:00:00 UTC * (t + 1.4).ceil # => 2000-01-01 00:00:01 UTC * (t + 1.9).ceil # => 2000-01-01 00:00:01 UTC * * Related: Time#floor, Time#round. */ static VALUE time_ceil(int argc, VALUE *argv, VALUE time) { VALUE ndigits, v, den; struct time_object *tobj; if (!rb_check_arity(argc, 0, 1) || NIL_P(ndigits = argv[0])) den = INT2FIX(1); else den = ndigits_denominator(ndigits); GetTimeval(time, tobj); v = w2v(rb_time_unmagnify(tobj->timew)); v = modv(v, den); if (!rb_equal(v, INT2FIX(0))) { v = subv(den, v); } return time_add(tobj, time, v, 1); } /* * call-seq: * sec -> integer * * Returns the integer second of the minute for +self+, * in range (0..60): * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.sec # => 5 * * Note: the second value may be 60 when there is a * {leap second}[https://en.wikipedia.org/wiki/Leap_second]. * * Related: Time#year, Time#mon, Time#min. */ static VALUE time_sec(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); return INT2FIX(tobj->vtm.sec); } /* * call-seq: * min -> integer * * Returns the integer minute of the hour for +self+, * in range (0..59): * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.min # => 4 * * Related: Time#year, Time#mon, Time#sec. */ static VALUE time_min(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); return INT2FIX(tobj->vtm.min); } /* * call-seq: * hour -> integer * * Returns the integer hour of the day for +self+, * in range (0..23): * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.hour # => 3 * * Related: Time#year, Time#mon, Time#min. */ static VALUE time_hour(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); return INT2FIX(tobj->vtm.hour); } /* * call-seq: * mday -> integer * * Returns the integer day of the month for +self+, * in range (1..31): * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.mday # => 2 * * Related: Time#year, Time#hour, Time#min. */ static VALUE time_mday(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); return INT2FIX(tobj->vtm.mday); } /* * call-seq: * mon -> integer * * Returns the integer month of the year for +self+, * in range (1..12): * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.mon # => 1 * * Related: Time#year, Time#hour, Time#min. */ static VALUE time_mon(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); return INT2FIX(tobj->vtm.mon); } /* * call-seq: * year -> integer * * Returns the integer year for +self+: * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.year # => 2000 * * Related: Time#mon, Time#hour, Time#min. */ static VALUE time_year(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); return tobj->vtm.year; } /* * call-seq: * wday -> integer * * Returns the integer day of the week for +self+, * in range (0..6), with Sunday as zero. * * t = Time.new(2000, 1, 2, 3, 4, 5, 6) * # => 2000-01-02 03:04:05 +000006 * t.wday # => 0 * t.sunday? # => true * * Related: Time#year, Time#hour, Time#min. */ static VALUE time_wday(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM_ENSURE(time, tobj, tobj->vtm.wday != VTM_WDAY_INITVAL); return INT2FIX((int)tobj->vtm.wday); } #define wday_p(n) {\ return RBOOL(time_wday(time) == INT2FIX(n)); \ } /* * call-seq: * sunday? -> true or false * * Returns +true+ if +self+ represents a Sunday, +false+ otherwise: * * t = Time.utc(2000, 1, 2) # => 2000-01-02 00:00:00 UTC * t.sunday? # => true * * Related: Time#monday?, Time#tuesday?, Time#wednesday?. */ static VALUE time_sunday(VALUE time) { wday_p(0); } /* * call-seq: * monday? -> true or false * * Returns +true+ if +self+ represents a Monday, +false+ otherwise: * * t = Time.utc(2000, 1, 3) # => 2000-01-03 00:00:00 UTC * t.monday? # => true * * Related: Time#tuesday?, Time#wednesday?, Time#thursday?. */ static VALUE time_monday(VALUE time) { wday_p(1); } /* * call-seq: * tuesday? -> true or false * * Returns +true+ if +self+ represents a Tuesday, +false+ otherwise: * * t = Time.utc(2000, 1, 4) # => 2000-01-04 00:00:00 UTC * t.tuesday? # => true * * Related: Time#wednesday?, Time#thursday?, Time#friday?. */ static VALUE time_tuesday(VALUE time) { wday_p(2); } /* * call-seq: * wednesday? -> true or false * * Returns +true+ if +self+ represents a Wednesday, +false+ otherwise: * * t = Time.utc(2000, 1, 5) # => 2000-01-05 00:00:00 UTC * t.wednesday? # => true * * Related: Time#thursday?, Time#friday?, Time#saturday?. */ static VALUE time_wednesday(VALUE time) { wday_p(3); } /* * call-seq: * thursday? -> true or false * * Returns +true+ if +self+ represents a Thursday, +false+ otherwise: * * t = Time.utc(2000, 1, 6) # => 2000-01-06 00:00:00 UTC * t.thursday? # => true * * Related: Time#friday?, Time#saturday?, Time#sunday?. */ static VALUE time_thursday(VALUE time) { wday_p(4); } /* * call-seq: * friday? -> true or false * * Returns +true+ if +self+ represents a Friday, +false+ otherwise: * * t = Time.utc(2000, 1, 7) # => 2000-01-07 00:00:00 UTC * t.friday? # => true * * Related: Time#saturday?, Time#sunday?, Time#monday?. */ static VALUE time_friday(VALUE time) { wday_p(5); } /* * call-seq: * saturday? -> true or false * * Returns +true+ if +self+ represents a Saturday, +false+ otherwise: * * t = Time.utc(2000, 1, 1) # => 2000-01-01 00:00:00 UTC * t.saturday? # => true * * Related: Time#sunday?, Time#monday?, Time#tuesday?. */ static VALUE time_saturday(VALUE time) { wday_p(6); } /* * call-seq: * yday -> integer * * Returns the integer day of the year of +self+, in range (1..366). * * Time.new(2000, 1, 1).yday # => 1 * Time.new(2000, 12, 31).yday # => 366 */ static VALUE time_yday(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM_ENSURE(time, tobj, tobj->vtm.yday != 0); return INT2FIX(tobj->vtm.yday); } /* * call-seq: * dst? -> true or false * * Returns +true+ if +self+ is in daylight saving time, +false+ otherwise: * * t = Time.local(2000, 1, 1) # => 2000-01-01 00:00:00 -0600 * t.zone # => "Central Standard Time" * t.dst? # => false * t = Time.local(2000, 7, 1) # => 2000-07-01 00:00:00 -0500 * t.zone # => "Central Daylight Time" * t.dst? # => true * */ static VALUE time_isdst(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM(time, tobj); if (tobj->vtm.isdst == VTM_ISDST_INITVAL) { rb_raise(rb_eRuntimeError, "isdst is not set yet"); } return RBOOL(tobj->vtm.isdst); } /* * call-seq: * time.zone -> string or timezone * * Returns the string name of the time zone for +self+: * * Time.utc(2000, 1, 1).zone # => "UTC" * Time.new(2000, 1, 1).zone # => "Central Standard Time" */ static VALUE time_zone(VALUE time) { struct time_object *tobj; VALUE zone; GetTimeval(time, tobj); MAKE_TM(time, tobj); if (TZMODE_UTC_P(tobj)) { return rb_usascii_str_new_cstr("UTC"); } zone = tobj->vtm.zone; if (NIL_P(zone)) return Qnil; if (RB_TYPE_P(zone, T_STRING)) zone = rb_str_dup(zone); return zone; } /* * call-seq: * utc_offset -> integer * * Returns the offset in seconds between the timezones of UTC and +self+: * * Time.utc(2000, 1, 1).utc_offset # => 0 * Time.local(2000, 1, 1).utc_offset # => -21600 # -6*3600, or minus six hours. * */ VALUE rb_time_utc_offset(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); if (TZMODE_UTC_P(tobj)) { return INT2FIX(0); } else { MAKE_TM(time, tobj); return tobj->vtm.utc_offset; } } /* * call-seq: * to_a -> array * * Returns a 10-element array of values representing +self+: * * Time.utc(2000, 1, 1).to_a * # => [0, 0, 0, 1, 1, 2000, 6, 1, false, "UTC"] * # [sec, min, hour, day, mon, year, wday, yday, dst?, zone] * * The returned array is suitable for use as an argument to Time.utc or Time.local * to create a new +Time+ object. * */ static VALUE time_to_a(VALUE time) { struct time_object *tobj; GetTimeval(time, tobj); MAKE_TM_ENSURE(time, tobj, tobj->vtm.yday != 0); return rb_ary_new3(10, INT2FIX(tobj->vtm.sec), INT2FIX(tobj->vtm.min), INT2FIX(tobj->vtm.hour), INT2FIX(tobj->vtm.mday), INT2FIX(tobj->vtm.mon), tobj->vtm.year, INT2FIX(tobj->vtm.wday), INT2FIX(tobj->vtm.yday), RBOOL(tobj->vtm.isdst), time_zone(time)); } /* * call-seq: * deconstruct_keys(array_of_names_or_nil) -> hash * * Returns a hash of the name/value pairs, to use in pattern matching. * Possible keys are: :year, :month, :day, * :yday, :wday, :hour, :min, :sec, * :subsec, :dst, :zone. * * Possible usages: * * t = Time.utc(2022, 10, 5, 21, 25, 30) * * if t in wday: 3, day: ..7 # uses deconstruct_keys underneath * puts "first Wednesday of the month" * end * #=> prints "first Wednesday of the month" * * case t * in year: ...2022 * puts "too old" * in month: ..9 * puts "quarter 1-3" * in wday: 1..5, month: * puts "working day in month #{month}" * end * #=> prints "working day in month 10" * * Note that deconstruction by pattern can also be combined with class check: * * if t in Time(wday: 3, day: ..7) * puts "first Wednesday of the month" * end * */ static VALUE time_deconstruct_keys(VALUE time, VALUE keys) { struct time_object *tobj; VALUE h; long i; GetTimeval(time, tobj); MAKE_TM_ENSURE(time, tobj, tobj->vtm.yday != 0); if (NIL_P(keys)) { h = rb_hash_new_with_size(11); rb_hash_aset(h, sym_year, tobj->vtm.year); rb_hash_aset(h, sym_month, INT2FIX(tobj->vtm.mon)); rb_hash_aset(h, sym_day, INT2FIX(tobj->vtm.mday)); rb_hash_aset(h, sym_yday, INT2FIX(tobj->vtm.yday)); rb_hash_aset(h, sym_wday, INT2FIX(tobj->vtm.wday)); rb_hash_aset(h, sym_hour, INT2FIX(tobj->vtm.hour)); rb_hash_aset(h, sym_min, INT2FIX(tobj->vtm.min)); rb_hash_aset(h, sym_sec, INT2FIX(tobj->vtm.sec)); rb_hash_aset(h, sym_subsec, quov(w2v(wmod(tobj->timew, WINT2FIXWV(TIME_SCALE))), INT2FIX(TIME_SCALE))); rb_hash_aset(h, sym_dst, RBOOL(tobj->vtm.isdst)); rb_hash_aset(h, sym_zone, time_zone(time)); return h; } if (UNLIKELY(!RB_TYPE_P(keys, T_ARRAY))) { rb_raise(rb_eTypeError, "wrong argument type %"PRIsVALUE" (expected Array or nil)", rb_obj_class(keys)); } h = rb_hash_new_with_size(RARRAY_LEN(keys)); for (i=0; ivtm.year); if (sym_month == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.mon)); if (sym_day == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.mday)); if (sym_yday == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.yday)); if (sym_wday == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.wday)); if (sym_hour == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.hour)); if (sym_min == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.min)); if (sym_sec == key) rb_hash_aset(h, key, INT2FIX(tobj->vtm.sec)); if (sym_subsec == key) { rb_hash_aset(h, key, quov(w2v(wmod(tobj->timew, WINT2FIXWV(TIME_SCALE))), INT2FIX(TIME_SCALE))); } if (sym_dst == key) rb_hash_aset(h, key, RBOOL(tobj->vtm.isdst)); if (sym_zone == key) rb_hash_aset(h, key, time_zone(time)); } return h; } static VALUE rb_strftime_alloc(const char *format, size_t format_len, rb_encoding *enc, VALUE time, struct vtm *vtm, wideval_t timew, int gmt) { VALUE timev = Qnil; struct timespec ts; if (!timew2timespec_exact(timew, &ts)) timev = w2v(rb_time_unmagnify(timew)); if (NIL_P(timev)) { return rb_strftime_timespec(format, format_len, enc, time, vtm, &ts, gmt); } else { return rb_strftime(format, format_len, enc, time, vtm, timev, gmt); } } static VALUE strftime_cstr(const char *fmt, size_t len, VALUE time, rb_encoding *enc) { struct time_object *tobj; VALUE str; GetTimeval(time, tobj); MAKE_TM(time, tobj); str = rb_strftime_alloc(fmt, len, enc, time, &tobj->vtm, tobj->timew, TZMODE_UTC_P(tobj)); if (!str) rb_raise(rb_eArgError, "invalid format: %s", fmt); return str; } /* * call-seq: * strftime(format_string) -> string * * Returns a string representation of +self+, * formatted according to the given string +format+. * See {Formats for Dates and Times}[rdoc-ref:strftime_formatting.rdoc]. */ static VALUE time_strftime(VALUE time, VALUE format) { struct time_object *tobj; const char *fmt; long len; rb_encoding *enc; VALUE tmp; GetTimeval(time, tobj); MAKE_TM_ENSURE(time, tobj, tobj->vtm.yday != 0); StringValue(format); if (!rb_enc_str_asciicompat_p(format)) { rb_raise(rb_eArgError, "format should have ASCII compatible encoding"); } tmp = rb_str_tmp_frozen_acquire(format); fmt = RSTRING_PTR(tmp); len = RSTRING_LEN(tmp); enc = rb_enc_get(format); if (len == 0) { rb_warning("strftime called with empty format string"); return rb_enc_str_new(0, 0, enc); } else { VALUE str = rb_strftime_alloc(fmt, len, enc, time, &tobj->vtm, tobj->timew, TZMODE_UTC_P(tobj)); rb_str_tmp_frozen_release(format, tmp); if (!str) rb_raise(rb_eArgError, "invalid format: %"PRIsVALUE, format); return str; } } int ruby_marshal_write_long(long x, char *buf); enum {base_dump_size = 8}; /* :nodoc: */ static VALUE time_mdump(VALUE time) { struct time_object *tobj; unsigned long p, s; char buf[base_dump_size + sizeof(long) + 1]; int i; VALUE str; struct vtm vtm; long year; long usec, nsec; VALUE subsecx, nano, subnano, v, zone; VALUE year_extend = Qnil; const int max_year = 1900+0xffff; GetTimeval(time, tobj); gmtimew(tobj->timew, &vtm); if (FIXNUM_P(vtm.year)) { year = FIX2LONG(vtm.year); if (year > max_year) { year_extend = INT2FIX(year - max_year); year = max_year; } else if (year < 1900) { year_extend = LONG2NUM(1900 - year); year = 1900; } } else { if (rb_int_positive_p(vtm.year)) { year_extend = rb_int_minus(vtm.year, INT2FIX(max_year)); year = max_year; } else { year_extend = rb_int_minus(INT2FIX(1900), vtm.year); year = 1900; } } subsecx = vtm.subsecx; nano = mulquov(subsecx, INT2FIX(1000000000), INT2FIX(TIME_SCALE)); divmodv(nano, INT2FIX(1), &v, &subnano); nsec = FIX2LONG(v); usec = nsec / 1000; nsec = nsec % 1000; nano = addv(LONG2FIX(nsec), subnano); p = 0x1UL << 31 | /* 1 */ TZMODE_UTC_P(tobj) << 30 | /* 1 */ (year-1900) << 14 | /* 16 */ (vtm.mon-1) << 10 | /* 4 */ vtm.mday << 5 | /* 5 */ vtm.hour; /* 5 */ s = (unsigned long)vtm.min << 26 | /* 6 */ vtm.sec << 20 | /* 6 */ usec; /* 20 */ for (i=0; i<4; i++) { buf[i] = (unsigned char)p; p = RSHIFT(p, 8); } for (i=4; i<8; i++) { buf[i] = (unsigned char)s; s = RSHIFT(s, 8); } if (!NIL_P(year_extend)) { /* * Append extended year distance from 1900..(1900+0xffff). In * each cases, there is no sign as the value is positive. The * format is length (marshaled long) + little endian packed * binary (like as Integer). */ size_t ysize = rb_absint_size(year_extend, NULL); char *p, *const buf_year_extend = buf + base_dump_size; if (ysize > LONG_MAX || (i = ruby_marshal_write_long((long)ysize, buf_year_extend)) < 0) { rb_raise(rb_eArgError, "year too %s to marshal: %"PRIsVALUE" UTC", (year == 1900 ? "small" : "big"), vtm.year); } i += base_dump_size; str = rb_str_new(NULL, i + ysize); p = RSTRING_PTR(str); memcpy(p, buf, i); p += i; rb_integer_pack(year_extend, p, ysize, 1, 0, INTEGER_PACK_LITTLE_ENDIAN); } else { str = rb_str_new(buf, base_dump_size); } rb_copy_generic_ivar(str, time); if (!rb_equal(nano, INT2FIX(0))) { if (RB_TYPE_P(nano, T_RATIONAL)) { rb_ivar_set(str, id_nano_num, RRATIONAL(nano)->num); rb_ivar_set(str, id_nano_den, RRATIONAL(nano)->den); } else { rb_ivar_set(str, id_nano_num, nano); rb_ivar_set(str, id_nano_den, INT2FIX(1)); } } if (nsec) { /* submicro is only for Ruby 1.9.1 compatibility */ /* * submicro is formatted in fixed-point packed BCD (without sign). * It represent digits under microsecond. * For nanosecond resolution, 3 digits (2 bytes) are used. * However it can be longer. * Extra digits are ignored for loading. */ char buf[2]; int len = (int)sizeof(buf); buf[1] = (char)((nsec % 10) << 4); nsec /= 10; buf[0] = (char)(nsec % 10); nsec /= 10; buf[0] |= (char)((nsec % 10) << 4); if (buf[1] == 0) len = 1; rb_ivar_set(str, id_submicro, rb_str_new(buf, len)); } if (!TZMODE_UTC_P(tobj)) { VALUE off = rb_time_utc_offset(time), div, mod; divmodv(off, INT2FIX(1), &div, &mod); if (rb_equal(mod, INT2FIX(0))) off = rb_Integer(div); rb_ivar_set(str, id_offset, off); } zone = tobj->vtm.zone; if (maybe_tzobj_p(zone)) { zone = rb_funcallv(zone, id_name, 0, 0); } rb_ivar_set(str, id_zone, zone); return str; } /* :nodoc: */ static VALUE time_dump(int argc, VALUE *argv, VALUE time) { VALUE str; rb_check_arity(argc, 0, 1); str = time_mdump(time); return str; } static VALUE mload_findzone(VALUE arg) { VALUE *argp = (VALUE *)arg; VALUE time = argp[0], zone = argp[1]; return find_timezone(time, zone); } static VALUE mload_zone(VALUE time, VALUE zone) { VALUE z, args[2]; args[0] = time; args[1] = zone; z = rb_rescue(mload_findzone, (VALUE)args, 0, Qnil); if (NIL_P(z)) return rb_fstring(zone); if (RB_TYPE_P(z, T_STRING)) return rb_fstring(z); return z; } long ruby_marshal_read_long(const char **buf, long len); /* :nodoc: */ static VALUE time_mload(VALUE time, VALUE str) { struct time_object *tobj; unsigned long p, s; time_t sec; long usec; unsigned char *buf; struct vtm vtm; int i, gmt; long nsec; VALUE submicro, nano_num, nano_den, offset, zone, year; wideval_t timew; time_modify(time); #define get_attr(attr, iffound) \ attr = rb_attr_delete(str, id_##attr); \ if (!NIL_P(attr)) { \ iffound; \ } get_attr(nano_num, {}); get_attr(nano_den, {}); get_attr(submicro, {}); get_attr(offset, (offset = rb_rescue(validate_utc_offset, offset, 0, Qnil))); get_attr(zone, (zone = rb_rescue(validate_zone_name, zone, 0, Qnil))); get_attr(year, {}); #undef get_attr rb_copy_generic_ivar(time, str); StringValue(str); buf = (unsigned char *)RSTRING_PTR(str); if (RSTRING_LEN(str) < base_dump_size) { goto invalid_format; } p = s = 0; for (i=0; i<4; i++) { p |= (unsigned long)buf[i]<<(8*i); } for (i=4; i<8; i++) { s |= (unsigned long)buf[i]<<(8*(i-4)); } if ((p & (1UL<<31)) == 0) { gmt = 0; offset = Qnil; sec = p; usec = s; nsec = usec * 1000; timew = wadd(rb_time_magnify(TIMET2WV(sec)), wmulquoll(WINT2FIXWV(usec), TIME_SCALE, 1000000)); } else { p &= ~(1UL<<31); gmt = (int)((p >> 30) & 0x1); if (NIL_P(year)) { year = INT2FIX(((int)(p >> 14) & 0xffff) + 1900); } if (RSTRING_LEN(str) > base_dump_size) { long len = RSTRING_LEN(str) - base_dump_size; long ysize = 0; VALUE year_extend; const char *ybuf = (const char *)(buf += base_dump_size); ysize = ruby_marshal_read_long(&ybuf, len); len -= ybuf - (const char *)buf; if (ysize < 0 || ysize > len) goto invalid_format; year_extend = rb_integer_unpack(ybuf, ysize, 1, 0, INTEGER_PACK_LITTLE_ENDIAN); if (year == INT2FIX(1900)) { year = rb_int_minus(year, year_extend); } else { year = rb_int_plus(year, year_extend); } } unsigned int mon = ((int)(p >> 10) & 0xf); /* 0...12 */ if (mon >= 12) { mon -= 12; year = addv(year, LONG2FIX(1)); } vtm.year = year; vtm.mon = mon + 1; vtm.mday = (int)(p >> 5) & 0x1f; vtm.hour = (int) p & 0x1f; vtm.min = (int)(s >> 26) & 0x3f; vtm.sec = (int)(s >> 20) & 0x3f; vtm.utc_offset = INT2FIX(0); vtm.yday = vtm.wday = 0; vtm.isdst = 0; vtm.zone = str_empty; usec = (long)(s & 0xfffff); nsec = usec * 1000; vtm.subsecx = mulquov(LONG2FIX(nsec), INT2FIX(TIME_SCALE), LONG2FIX(1000000000)); if (nano_num != Qnil) { VALUE nano = quov(num_exact(nano_num), num_exact(nano_den)); vtm.subsecx = addv(vtm.subsecx, mulquov(nano, INT2FIX(TIME_SCALE), LONG2FIX(1000000000))); } else if (submicro != Qnil) { /* for Ruby 1.9.1 compatibility */ unsigned char *ptr; long len; int digit; ptr = (unsigned char*)StringValuePtr(submicro); len = RSTRING_LEN(submicro); nsec = 0; if (0 < len) { if (10 <= (digit = ptr[0] >> 4)) goto end_submicro; nsec += digit * 100; if (10 <= (digit = ptr[0] & 0xf)) goto end_submicro; nsec += digit * 10; } if (1 < len) { if (10 <= (digit = ptr[1] >> 4)) goto end_submicro; nsec += digit; } vtm.subsecx = addv(vtm.subsecx, mulquov(LONG2FIX(nsec), INT2FIX(TIME_SCALE), LONG2FIX(1000000000))); end_submicro: ; } timew = timegmw(&vtm); } GetNewTimeval(time, tobj); TZMODE_SET_LOCALTIME(tobj); tobj->vtm.tm_got = 0; time_set_timew(time, tobj, timew); if (gmt) { TZMODE_SET_UTC(tobj); } else if (!NIL_P(offset)) { time_set_utc_offset(time, offset); time_fixoff(time); } if (!NIL_P(zone)) { zone = mload_zone(time, zone); tobj->vtm.zone = zone; zone_localtime(zone, time); } return time; invalid_format: rb_raise(rb_eTypeError, "marshaled time format differ"); UNREACHABLE_RETURN(Qundef); } /* :nodoc: */ static VALUE time_load(VALUE klass, VALUE str) { VALUE time = time_s_alloc(klass); time_mload(time, str); return time; } /* :nodoc:*/ /* Document-class: Time::tm * * A container class for timezone conversion. */ /* * call-seq: * * Time::tm.from_time(t) -> tm * * Creates new Time::tm object from a Time object. */ static VALUE tm_from_time(VALUE klass, VALUE time) { struct time_object *tobj; struct vtm vtm, *v; VALUE tm; struct time_object *ttm; GetTimeval(time, tobj); tm = time_s_alloc(klass); ttm = RTYPEDDATA_GET_DATA(tm); v = &vtm; GMTIMEW(ttm->timew = tobj->timew, v); ttm->timew = wsub(ttm->timew, v->subsecx); v->subsecx = INT2FIX(0); v->zone = Qnil; time_set_vtm(tm, ttm, *v); ttm->vtm.tm_got = 1; TZMODE_SET_UTC(ttm); return tm; } /* * call-seq: * * Time::tm.new(year, month=nil, day=nil, hour=nil, min=nil, sec=nil, zone=nil) -> tm * * Creates new Time::tm object. */ static VALUE tm_initialize(int argc, VALUE *argv, VALUE time) { struct vtm vtm; wideval_t t; if (rb_check_arity(argc, 1, 7) > 6) argc = 6; time_arg(argc, argv, &vtm); t = timegmw(&vtm); struct time_object *tobj = RTYPEDDATA_GET_DATA(time); TZMODE_SET_UTC(tobj); time_set_timew(time, tobj, t); time_set_vtm(time, tobj, vtm); return time; } /* call-seq: * * tm.to_time -> time * * Returns a new Time object. */ static VALUE tm_to_time(VALUE tm) { struct time_object *torig = get_timeval(tm); VALUE dup = time_s_alloc(rb_cTime); struct time_object *tobj = RTYPEDDATA_GET_DATA(dup); *tobj = *torig; return dup; } static VALUE tm_plus(VALUE tm, VALUE offset) { return time_add0(rb_obj_class(tm), get_timeval(tm), tm, offset, +1); } static VALUE tm_minus(VALUE tm, VALUE offset) { return time_add0(rb_obj_class(tm), get_timeval(tm), tm, offset, -1); } static VALUE Init_tm(VALUE outer, const char *name) { /* :stopdoc:*/ VALUE tm; tm = rb_define_class_under(outer, name, rb_cObject); rb_define_alloc_func(tm, time_s_alloc); rb_define_method(tm, "sec", time_sec, 0); rb_define_method(tm, "min", time_min, 0); rb_define_method(tm, "hour", time_hour, 0); rb_define_method(tm, "mday", time_mday, 0); rb_define_method(tm, "day", time_mday, 0); rb_define_method(tm, "mon", time_mon, 0); rb_define_method(tm, "month", time_mon, 0); rb_define_method(tm, "year", time_year, 0); rb_define_method(tm, "isdst", time_isdst, 0); rb_define_method(tm, "dst?", time_isdst, 0); rb_define_method(tm, "zone", time_zone, 0); rb_define_method(tm, "gmtoff", rb_time_utc_offset, 0); rb_define_method(tm, "gmt_offset", rb_time_utc_offset, 0); rb_define_method(tm, "utc_offset", rb_time_utc_offset, 0); rb_define_method(tm, "utc?", time_utc_p, 0); rb_define_method(tm, "gmt?", time_utc_p, 0); rb_define_method(tm, "to_s", time_to_s, 0); rb_define_method(tm, "inspect", time_inspect, 0); rb_define_method(tm, "to_a", time_to_a, 0); rb_define_method(tm, "tv_sec", time_to_i, 0); rb_define_method(tm, "tv_usec", time_usec, 0); rb_define_method(tm, "usec", time_usec, 0); rb_define_method(tm, "tv_nsec", time_nsec, 0); rb_define_method(tm, "nsec", time_nsec, 0); rb_define_method(tm, "subsec", time_subsec, 0); rb_define_method(tm, "to_i", time_to_i, 0); rb_define_method(tm, "to_f", time_to_f, 0); rb_define_method(tm, "to_r", time_to_r, 0); rb_define_method(tm, "+", tm_plus, 1); rb_define_method(tm, "-", tm_minus, 1); rb_define_method(tm, "initialize", tm_initialize, -1); rb_define_method(tm, "utc", tm_to_time, 0); rb_alias(tm, rb_intern_const("to_time"), rb_intern_const("utc")); rb_define_singleton_method(tm, "from_time", tm_from_time, 1); /* :startdoc:*/ return tm; } VALUE rb_time_zone_abbreviation(VALUE zone, VALUE time) { VALUE tm, abbr, strftime_args[2]; abbr = rb_check_string_type(zone); if (!NIL_P(abbr)) return abbr; tm = tm_from_time(rb_cTimeTM, time); abbr = rb_check_funcall(zone, rb_intern("abbr"), 1, &tm); if (!UNDEF_P(abbr)) { goto found; } #ifdef SUPPORT_TZINFO_ZONE_ABBREVIATION abbr = rb_check_funcall(zone, rb_intern("period_for_utc"), 1, &tm); if (!UNDEF_P(abbr)) { abbr = rb_funcallv(abbr, rb_intern("abbreviation"), 0, 0); goto found; } #endif strftime_args[0] = rb_fstring_lit("%Z"); strftime_args[1] = tm; abbr = rb_check_funcall(zone, rb_intern("strftime"), 2, strftime_args); if (!UNDEF_P(abbr)) { goto found; } abbr = rb_check_funcall_default(zone, idName, 0, 0, Qnil); found: return rb_obj_as_string(abbr); } /* Internal Details: * * Since Ruby 1.9.2, Time implementation uses a signed 63 bit integer or * Integer(T_BIGNUM), Rational. * The integer is a number of nanoseconds since the _Epoch_ which can * represent 1823-11-12 to 2116-02-20. * When Integer(T_BIGNUM) or Rational is used (before 1823, after 2116, under * nanosecond), Time works slower than when integer is used. */ // void Init_Time(void) { id_submicro = rb_intern_const("submicro"); id_nano_num = rb_intern_const("nano_num"); id_nano_den = rb_intern_const("nano_den"); id_offset = rb_intern_const("offset"); id_zone = rb_intern_const("zone"); id_nanosecond = rb_intern_const("nanosecond"); id_microsecond = rb_intern_const("microsecond"); id_millisecond = rb_intern_const("millisecond"); id_nsec = rb_intern_const("nsec"); id_usec = rb_intern_const("usec"); id_local_to_utc = rb_intern_const("local_to_utc"); id_utc_to_local = rb_intern_const("utc_to_local"); id_year = rb_intern_const("year"); id_mon = rb_intern_const("mon"); id_mday = rb_intern_const("mday"); id_hour = rb_intern_const("hour"); id_min = rb_intern_const("min"); id_sec = rb_intern_const("sec"); id_isdst = rb_intern_const("isdst"); id_find_timezone = rb_intern_const("find_timezone"); sym_year = ID2SYM(rb_intern_const("year")); sym_month = ID2SYM(rb_intern_const("month")); sym_yday = ID2SYM(rb_intern_const("yday")); sym_wday = ID2SYM(rb_intern_const("wday")); sym_day = ID2SYM(rb_intern_const("day")); sym_hour = ID2SYM(rb_intern_const("hour")); sym_min = ID2SYM(rb_intern_const("min")); sym_sec = ID2SYM(rb_intern_const("sec")); sym_subsec = ID2SYM(rb_intern_const("subsec")); sym_dst = ID2SYM(rb_intern_const("dst")); sym_zone = ID2SYM(rb_intern_const("zone")); str_utc = rb_fstring_lit("UTC"); rb_vm_register_global_object(str_utc); str_empty = rb_fstring_lit(""); rb_vm_register_global_object(str_empty); rb_cTime = rb_define_class("Time", rb_cObject); VALUE scTime = rb_singleton_class(rb_cTime); rb_include_module(rb_cTime, rb_mComparable); rb_define_alloc_func(rb_cTime, time_s_alloc); rb_define_singleton_method(rb_cTime, "utc", time_s_mkutc, -1); rb_define_singleton_method(rb_cTime, "local", time_s_mktime, -1); rb_define_alias(scTime, "gm", "utc"); rb_define_alias(scTime, "mktime", "local"); rb_define_method(rb_cTime, "to_i", time_to_i, 0); rb_define_method(rb_cTime, "to_f", time_to_f, 0); rb_define_method(rb_cTime, "to_r", time_to_r, 0); rb_define_method(rb_cTime, "<=>", time_cmp, 1); rb_define_method(rb_cTime, "eql?", time_eql, 1); rb_define_method(rb_cTime, "hash", time_hash, 0); rb_define_method(rb_cTime, "initialize_copy", time_init_copy, 1); rb_define_method(rb_cTime, "localtime", time_localtime_m, -1); rb_define_method(rb_cTime, "gmtime", time_gmtime, 0); rb_define_method(rb_cTime, "utc", time_gmtime, 0); rb_define_method(rb_cTime, "getlocal", time_getlocaltime, -1); rb_define_method(rb_cTime, "getgm", time_getgmtime, 0); rb_define_method(rb_cTime, "getutc", time_getgmtime, 0); rb_define_method(rb_cTime, "ctime", time_asctime, 0); rb_define_method(rb_cTime, "asctime", time_asctime, 0); rb_define_method(rb_cTime, "to_s", time_to_s, 0); rb_define_method(rb_cTime, "inspect", time_inspect, 0); rb_define_method(rb_cTime, "to_a", time_to_a, 0); rb_define_method(rb_cTime, "deconstruct_keys", time_deconstruct_keys, 1); rb_define_method(rb_cTime, "+", time_plus, 1); rb_define_method(rb_cTime, "-", time_minus, 1); rb_define_method(rb_cTime, "round", time_round, -1); rb_define_method(rb_cTime, "floor", time_floor, -1); rb_define_method(rb_cTime, "ceil", time_ceil, -1); rb_define_method(rb_cTime, "sec", time_sec, 0); rb_define_method(rb_cTime, "min", time_min, 0); rb_define_method(rb_cTime, "hour", time_hour, 0); rb_define_method(rb_cTime, "mday", time_mday, 0); rb_define_method(rb_cTime, "day", time_mday, 0); rb_define_method(rb_cTime, "mon", time_mon, 0); rb_define_method(rb_cTime, "month", time_mon, 0); rb_define_method(rb_cTime, "year", time_year, 0); rb_define_method(rb_cTime, "wday", time_wday, 0); rb_define_method(rb_cTime, "yday", time_yday, 0); rb_define_method(rb_cTime, "isdst", time_isdst, 0); rb_define_method(rb_cTime, "dst?", time_isdst, 0); rb_define_method(rb_cTime, "zone", time_zone, 0); rb_define_method(rb_cTime, "gmtoff", rb_time_utc_offset, 0); rb_define_method(rb_cTime, "gmt_offset", rb_time_utc_offset, 0); rb_define_method(rb_cTime, "utc_offset", rb_time_utc_offset, 0); rb_define_method(rb_cTime, "utc?", time_utc_p, 0); rb_define_method(rb_cTime, "gmt?", time_utc_p, 0); rb_define_method(rb_cTime, "sunday?", time_sunday, 0); rb_define_method(rb_cTime, "monday?", time_monday, 0); rb_define_method(rb_cTime, "tuesday?", time_tuesday, 0); rb_define_method(rb_cTime, "wednesday?", time_wednesday, 0); rb_define_method(rb_cTime, "thursday?", time_thursday, 0); rb_define_method(rb_cTime, "friday?", time_friday, 0); rb_define_method(rb_cTime, "saturday?", time_saturday, 0); rb_define_method(rb_cTime, "tv_sec", time_to_i, 0); rb_define_method(rb_cTime, "tv_usec", time_usec, 0); rb_define_method(rb_cTime, "usec", time_usec, 0); rb_define_method(rb_cTime, "tv_nsec", time_nsec, 0); rb_define_method(rb_cTime, "nsec", time_nsec, 0); rb_define_method(rb_cTime, "subsec", time_subsec, 0); rb_define_method(rb_cTime, "strftime", time_strftime, 1); /* methods for marshaling */ rb_define_private_method(rb_cTime, "_dump", time_dump, -1); rb_define_private_method(scTime, "_load", time_load, 1); if (debug_find_time_numguess) { rb_define_hooked_variable("$find_time_numguess", (VALUE *)&find_time_numguess, find_time_numguess_getter, 0); } rb_cTimeTM = Init_tm(rb_cTime, "tm"); } #include "timev.rbinc"