зеркало из https://github.com/github/ruby.git
1130 строки
24 KiB
C
1130 строки
24 KiB
C
/**********************************************************************
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time.c -
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$Author$
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$Date$
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created at: Tue Dec 28 14:31:59 JST 1993
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Copyright (C) 1993-2001 Yukihiro Matsumoto
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**********************************************************************/
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#include "ruby.h"
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#include <sys/types.h>
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#include <time.h>
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#ifndef NT
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#else
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#define time_t long
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struct timeval {
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time_t tv_sec; /* seconds */
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time_t tv_usec; /* and microseconds */
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};
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#endif
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#endif /* NT */
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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VALUE rb_cTime;
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struct time_object {
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struct timeval tv;
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struct tm tm;
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int gmt;
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int tm_got;
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};
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#define GetTimeval(obj, tobj) {\
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Data_Get_Struct(obj, struct time_object, tobj);\
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}
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static VALUE
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time_s_now(klass)
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VALUE klass;
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{
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VALUE obj;
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struct time_object *tobj;
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obj = Data_Make_Struct(klass, struct time_object, 0, free, tobj);
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tobj->tm_got=0;
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if (gettimeofday(&tobj->tv, 0) < 0) {
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rb_sys_fail("gettimeofday");
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}
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return obj;
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}
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static VALUE
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time_s_new(argc, argv, klass)
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int argc;
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VALUE *argv;
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VALUE klass;
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{
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VALUE obj = time_s_now(klass);
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rb_obj_call_init(obj, argc, argv);
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return obj;
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}
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static VALUE
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time_new_internal(klass, sec, usec)
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VALUE klass;
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time_t sec, usec;
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{
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VALUE obj;
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struct time_object *tobj;
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#ifndef NEGATIVE_TIME_T
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if (sec < 0 || (sec == 0 && usec < 0))
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rb_raise(rb_eArgError, "time must be positive");
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#endif
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obj = Data_Make_Struct(klass, struct time_object, 0, free, tobj);
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tobj->tm_got = 0;
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tobj->tv.tv_sec = sec;
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tobj->tv.tv_usec = usec;
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return obj;
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}
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VALUE
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rb_time_new(sec, usec)
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time_t sec, usec;
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{
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return time_new_internal(rb_cTime, sec, usec);
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}
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static struct timeval
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time_timeval(time, interval)
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VALUE time;
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int interval;
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{
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struct timeval t;
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char *tstr = interval ? "time interval" : "time";
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#ifndef NEGATIVE_TIME_T
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interval = 1;
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#endif
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switch (TYPE(time)) {
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case T_FIXNUM:
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t.tv_sec = FIX2LONG(time);
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if (interval && t.tv_sec < 0)
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rb_raise(rb_eArgError, "%s must be positive", tstr);
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t.tv_usec = 0;
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break;
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case T_FLOAT:
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if (interval && RFLOAT(time)->value < 0.0)
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rb_raise(rb_eArgError, "%s must be positive", tstr);
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t.tv_sec = (time_t)RFLOAT(time)->value;
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t.tv_usec = (time_t)((RFLOAT(time)->value - (double)t.tv_sec)*1e6);
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break;
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case T_BIGNUM:
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t.tv_sec = NUM2LONG(time);
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if (interval && t.tv_sec < 0)
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rb_raise(rb_eArgError, "%s must be positive", tstr);
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t.tv_usec = 0;
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break;
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default:
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rb_raise(rb_eTypeError, "can't convert %s into %s",
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rb_class2name(CLASS_OF(time)), tstr);
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break;
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}
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return t;
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}
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struct timeval
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rb_time_interval(time)
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VALUE time;
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{
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return time_timeval(time, Qtrue);
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}
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struct timeval
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rb_time_timeval(time)
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VALUE time;
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{
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struct time_object *tobj;
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struct timeval t;
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if (rb_obj_is_kind_of(time, rb_cTime)) {
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GetTimeval(time, tobj);
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t = tobj->tv;
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return t;
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}
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return time_timeval(time, Qfalse);
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}
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static VALUE
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time_s_at(argc, argv, klass)
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int argc;
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VALUE *argv;
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VALUE klass;
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{
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struct timeval tv;
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VALUE time, t;
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if (rb_scan_args(argc, argv, "11", &time, &t) == 2) {
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tv.tv_sec = NUM2INT(time);
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tv.tv_usec = NUM2INT(t);
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}
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else {
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tv = rb_time_timeval(time);
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}
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t = time_new_internal(klass, tv.tv_sec, tv.tv_usec);
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if (TYPE(time) == T_DATA) {
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struct time_object *tobj, *tobj2;
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GetTimeval(time, tobj);
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GetTimeval(t, tobj2);
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tobj2->gmt = tobj->gmt;
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}
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return t;
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}
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static char *months [12] = {
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"jan", "feb", "mar", "apr", "may", "jun",
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"jul", "aug", "sep", "oct", "nov", "dec",
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};
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static long
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obj2long(obj)
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VALUE obj;
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{
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if (TYPE(obj) == T_STRING) {
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obj = rb_str2inum(obj, 10);
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}
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return NUM2LONG(obj);
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}
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static void
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time_arg(argc, argv, tm, usec)
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int argc;
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VALUE *argv;
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struct tm *tm;
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time_t *usec;
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{
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VALUE v[7];
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int i;
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MEMZERO(tm, struct tm, 1);
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if (argc == 10) {
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v[0] = argv[5];
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v[1] = argv[4];
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v[2] = argv[3];
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v[3] = argv[2];
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v[4] = argv[1];
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v[5] = argv[0];
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*usec = 0;
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tm->tm_isdst = RTEST(argv[9]) ? 1 : 0;
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}
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else {
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rb_scan_args(argc, argv, "16", &v[0],&v[1],&v[2],&v[3],&v[4],&v[5],&v[6]);
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*usec = (argc == 7) ? NUM2INT(v[6]) : 0;
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}
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tm->tm_year = obj2long(v[0]);
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if (0 <= tm->tm_year && tm->tm_year < 69) tm->tm_year += 100;
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if (tm->tm_year >= 1900) tm->tm_year -= 1900;
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if (NIL_P(v[1])) {
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tm->tm_mon = 0;
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}
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else if (TYPE(v[1]) == T_STRING) {
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tm->tm_mon = -1;
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for (i=0; i<12; i++) {
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if (RSTRING(v[1])->len == 3 &&
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strcasecmp(months[i], RSTRING(v[1])->ptr) == 0) {
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tm->tm_mon = i;
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break;
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}
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}
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if (tm->tm_mon == -1) {
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char c = RSTRING(v[1])->ptr[0];
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if ('0' <= c && c <= '9') {
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tm->tm_mon = obj2long(v[1])-1;
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}
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}
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}
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else {
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tm->tm_mon = obj2long(v[1]) - 1;
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}
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if (NIL_P(v[2])) {
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tm->tm_mday = 1;
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}
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else {
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tm->tm_mday = obj2long(v[2]);
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}
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tm->tm_hour = NIL_P(v[3])?0:obj2long(v[3]);
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tm->tm_min = NIL_P(v[4])?0:obj2long(v[4]);
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tm->tm_sec = NIL_P(v[5])?0:obj2long(v[5]);
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/* value validation */
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if (
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#ifndef NEGATIVE_TIME_T
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tm->tm_year < 69 ||
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#endif
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tm->tm_mon < 0 || tm->tm_mon > 11
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|| tm->tm_mday < 1 || tm->tm_mday > 31
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|| tm->tm_hour < 0 || tm->tm_hour > 23
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|| tm->tm_min < 0 || tm->tm_min > 59
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|| tm->tm_sec < 0 || tm->tm_sec > 60)
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rb_raise(rb_eArgError, "argument out of range");
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}
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static VALUE time_gmtime _((VALUE));
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static VALUE time_localtime _((VALUE));
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static VALUE time_get_tm _((VALUE, int));
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static time_t
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make_time_t(tptr, utc_p)
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struct tm *tptr;
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int utc_p;
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{
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struct timeval tv;
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time_t oguess, guess;
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struct tm *tm;
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long t, diff, i;
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if (gettimeofday(&tv, 0) < 0) {
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rb_sys_fail("gettimeofday");
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}
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guess = tv.tv_sec;
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tm = gmtime(&guess);
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if (!tm) goto error;
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t = tptr->tm_year;
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#ifndef NEGATIVE_TIME_T
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if (t < 69) goto out_of_range;
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#endif
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i = 0;
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while (diff = t - tm->tm_year) {
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guess += diff * 363 * 24 * 3600;
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if (i++ > 255) goto out_of_range;
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tm = gmtime(&guess);
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if (!tm) goto error;
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}
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t = tptr->tm_mon;
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while (diff = t - tm->tm_mon) {
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guess += diff * 27 * 24 * 3600;
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tm = gmtime(&guess);
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if (!tm) goto error;
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if (tptr->tm_year != tm->tm_year) goto out_of_range;
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}
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oguess = guess;
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guess += (tptr->tm_mday - tm->tm_mday) * 24 * 3600;
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guess += (tptr->tm_hour - tm->tm_hour) * 3600;
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guess += (tptr->tm_min - tm->tm_min) * 60;
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guess += (tptr->tm_sec - tm->tm_sec);
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#ifndef NEGATIVE_TIME_T
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if (guess < 0) goto out_of_range;
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#endif
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if (!utc_p) { /* localtime zone adjust */
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struct tm gt, lt;
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long tzsec;
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t = 0;
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tm = gmtime(&guess);
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if (!tm) goto error;
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gt = *tm;
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tm = localtime(&guess);
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if (!tm) goto error;
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lt = *tm;
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tzsec = (gt.tm_min-lt.tm_min)*60 + (gt.tm_hour-lt.tm_hour)*3600;
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if (lt.tm_year > gt.tm_year) {
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tzsec -= 24*3600;
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}
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else if(gt.tm_year > lt.tm_year) {
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tzsec += 24*3600;
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}
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else {
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tzsec += (gt.tm_yday - lt.tm_yday)*24*3600;
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}
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if (lt.tm_isdst) guess += 3600;
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guess += tzsec;
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#ifndef NEGATIVE_TIME_T
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if (guess < 0) goto out_of_range;
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#endif
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tm = localtime(&guess);
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if (!tm) goto error;
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if (lt.tm_isdst != tm->tm_isdst || tptr->tm_hour != tm->tm_hour) {
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time_t tmp = guess - 3600;
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tm = localtime(&tmp);
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if (!tm) goto error;
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if (tptr->tm_hour == tm->tm_hour) {
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guess = tmp;
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}
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else if (lt.tm_isdst == tm->tm_isdst) {
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tmp = guess + 3600;
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tm = localtime(&tmp);
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if (!tm) goto error;
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if (tptr->tm_hour == tm->tm_hour) {
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guess = tmp;
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}
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}
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}
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if (tptr->tm_min != tm->tm_min) {
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guess += (tptr->tm_min - tm->tm_min) * 60;
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}
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#ifndef NEGATIVE_TIME_T
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if (guess < 0) goto out_of_range;
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#endif
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}
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#ifdef NEGATIVE_TIME_T
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if (oguess > 365 * 24 * 3600 && guess < 0) goto out_of_range;
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if (guess > 365 * 24 * 3600 && oguess < 0) goto out_of_range;
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#endif
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return guess;
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out_of_range:
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rb_raise(rb_eArgError, "time out of range");
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error:
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rb_raise(rb_eArgError, "gmtime/localtime error");
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return 0; /* not reached */
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}
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static VALUE
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time_utc_or_local(argc, argv, utc_p, klass)
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int argc;
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VALUE *argv;
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int utc_p;
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VALUE klass;
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{
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struct tm tm;
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VALUE time;
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time_t usec;
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time_arg(argc, argv, &tm, &usec);
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time = time_new_internal(klass, make_time_t(&tm, utc_p), usec);
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if (utc_p) return time_gmtime(time);
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return time_localtime(time);
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}
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static VALUE
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time_s_mkutc(argc, argv, klass)
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int argc;
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VALUE *argv;
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VALUE klass;
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{
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return time_utc_or_local(argc, argv, Qtrue, klass);
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}
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static VALUE
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time_s_mktime(argc, argv, klass)
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int argc;
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VALUE *argv;
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VALUE klass;
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{
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return time_utc_or_local(argc, argv, Qfalse, klass);
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}
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static VALUE
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time_to_i(time)
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VALUE time;
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{
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struct time_object *tobj;
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GetTimeval(time, tobj);
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return INT2NUM(tobj->tv.tv_sec);
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}
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static VALUE
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time_to_f(time)
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VALUE time;
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{
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struct time_object *tobj;
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GetTimeval(time, tobj);
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return rb_float_new((double)tobj->tv.tv_sec+(double)tobj->tv.tv_usec/1e6);
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}
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static VALUE
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time_usec(time)
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VALUE time;
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{
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struct time_object *tobj;
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GetTimeval(time, tobj);
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return INT2NUM(tobj->tv.tv_usec);
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}
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static VALUE
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time_cmp(time1, time2)
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VALUE time1, time2;
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{
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struct time_object *tobj1, *tobj2;
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long i;
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GetTimeval(time1, tobj1);
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switch (TYPE(time2)) {
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case T_FIXNUM:
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i = FIX2LONG(time2);
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if (tobj1->tv.tv_sec == i) return INT2FIX(0);
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if (tobj1->tv.tv_sec > i) return INT2FIX(1);
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return INT2FIX(-1);
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case T_FLOAT:
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{
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double t;
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t = (double)tobj1->tv.tv_sec + (double)tobj1->tv.tv_usec*1e-6;
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if (t > RFLOAT(time2)->value)
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return INT2FIX(1);
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if (t < RFLOAT(time2)->value)
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return INT2FIX(-1);
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return INT2FIX(0);
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}
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}
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if (rb_obj_is_kind_of(time2, rb_cTime)) {
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GetTimeval(time2, tobj2);
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if (tobj1->tv.tv_sec == tobj2->tv.tv_sec) {
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if (tobj1->tv.tv_usec == tobj2->tv.tv_usec) return INT2FIX(0);
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if (tobj1->tv.tv_usec > tobj2->tv.tv_usec) return INT2FIX(1);
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return INT2FIX(-1);
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}
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if (tobj1->tv.tv_sec > tobj2->tv.tv_sec) return INT2FIX(1);
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return INT2FIX(-1);
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}
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i = NUM2LONG(time2);
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if (tobj1->tv.tv_sec == i) return INT2FIX(0);
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if (tobj1->tv.tv_sec > i) return INT2FIX(1);
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return INT2FIX(-1);
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}
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static VALUE
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time_eql(time1, time2)
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VALUE time1, time2;
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{
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struct time_object *tobj1, *tobj2;
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GetTimeval(time1, tobj1);
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if (rb_obj_is_kind_of(time2, rb_cTime)) {
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GetTimeval(time2, tobj2);
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if (tobj1->tv.tv_sec == tobj2->tv.tv_sec) {
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if (tobj1->tv.tv_usec == tobj2->tv.tv_usec) return Qtrue;
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}
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}
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return Qfalse;
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}
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static VALUE
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time_utc_p(time)
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VALUE time;
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{
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struct time_object *tobj;
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GetTimeval(time, tobj);
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if (tobj->gmt) return Qtrue;
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return Qfalse;
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}
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static VALUE
|
|
time_hash(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
long hash;
|
|
|
|
GetTimeval(time, tobj);
|
|
hash = tobj->tv.tv_sec ^ tobj->tv.tv_usec;
|
|
return INT2FIX(hash);
|
|
}
|
|
|
|
static VALUE
|
|
time_clone(time)
|
|
VALUE time;
|
|
{
|
|
VALUE clone;
|
|
struct time_object *tobj, *tclone;
|
|
|
|
GetTimeval(time, tobj);
|
|
clone = Data_Make_Struct(0, struct time_object, 0, free, tclone);
|
|
CLONESETUP(clone, time);
|
|
MEMCPY(tclone, tobj, struct time_object, 1);
|
|
|
|
return clone;
|
|
}
|
|
|
|
static void
|
|
time_modify(time)
|
|
VALUE time;
|
|
{
|
|
if (OBJ_FROZEN(time)) rb_error_frozen("Time");
|
|
if (!OBJ_TAINTED(time) && rb_safe_level() >= 4)
|
|
rb_raise(rb_eSecurityError, "Insecure: can't modify Time");
|
|
}
|
|
|
|
static VALUE
|
|
time_localtime(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
struct tm *tm_tmp;
|
|
time_t t;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got && !tobj->gmt) {
|
|
return time;
|
|
}
|
|
time_modify(time);
|
|
t = tobj->tv.tv_sec;
|
|
tm_tmp = localtime(&t);
|
|
tobj->tm = *tm_tmp;
|
|
tobj->tm_got = 1;
|
|
tobj->gmt = 0;
|
|
return time;
|
|
}
|
|
|
|
static VALUE
|
|
time_gmtime(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
struct tm *tm_tmp;
|
|
time_t t;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got && tobj->gmt) {
|
|
return time;
|
|
}
|
|
time_modify(time);
|
|
t = tobj->tv.tv_sec;
|
|
tm_tmp = gmtime(&t);
|
|
tobj->tm = *tm_tmp;
|
|
tobj->tm_got = 1;
|
|
tobj->gmt = 1;
|
|
return time;
|
|
}
|
|
|
|
static VALUE
|
|
time_get_tm(time, gmt)
|
|
VALUE time;
|
|
int gmt;
|
|
{
|
|
if (gmt) return time_gmtime(time);
|
|
return time_localtime(time);
|
|
}
|
|
|
|
static VALUE
|
|
time_asctime(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
char *s;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
s = asctime(&tobj->tm);
|
|
if (s[24] == '\n') s[24] = '\0';
|
|
|
|
return rb_str_new2(s);
|
|
}
|
|
|
|
static VALUE
|
|
time_to_s(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
char buf[128];
|
|
int len;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
if (tobj->gmt == 1) {
|
|
len = strftime(buf, 128, "%a %b %d %H:%M:%S UTC %Y", &tobj->tm);
|
|
}
|
|
else {
|
|
len = strftime(buf, 128, "%a %b %d %H:%M:%S %Z %Y", &tobj->tm);
|
|
}
|
|
return rb_str_new(buf, len);
|
|
}
|
|
|
|
static VALUE
|
|
time_plus(time1, time2)
|
|
VALUE time1, time2;
|
|
{
|
|
struct time_object *tobj;
|
|
time_t sec, usec;
|
|
double f;
|
|
|
|
GetTimeval(time1, tobj);
|
|
|
|
if (rb_obj_is_kind_of(time2, rb_cTime)) {
|
|
rb_raise(rb_eTypeError, "time + time?");
|
|
}
|
|
f = NUM2DBL(time2);
|
|
sec = (time_t)f;
|
|
usec = tobj->tv.tv_usec + (time_t)((f - (double)sec)*1e6);
|
|
sec = tobj->tv.tv_sec + sec;
|
|
|
|
if (usec >= 1000000) { /* usec overflow */
|
|
sec++;
|
|
usec -= 1000000;
|
|
}
|
|
if (usec < 0) { /* usec underflow */
|
|
sec--;
|
|
usec += 1000000;
|
|
}
|
|
time2 = rb_time_new(sec, usec);
|
|
if (tobj->gmt) {
|
|
GetTimeval(time2, tobj);
|
|
tobj->gmt = 1;
|
|
}
|
|
return time2;
|
|
}
|
|
|
|
static VALUE
|
|
time_minus(time1, time2)
|
|
VALUE time1, time2;
|
|
{
|
|
struct time_object *tobj;
|
|
time_t sec, usec;
|
|
double f;
|
|
|
|
GetTimeval(time1, tobj);
|
|
if (rb_obj_is_kind_of(time2, rb_cTime)) {
|
|
struct time_object *tobj2;
|
|
|
|
GetTimeval(time2, tobj2);
|
|
f = tobj->tv.tv_sec - tobj2->tv.tv_sec;
|
|
f += (tobj->tv.tv_usec - tobj2->tv.tv_usec)*1e-6;
|
|
|
|
return rb_float_new(f);
|
|
}
|
|
else {
|
|
f = NUM2DBL(time2);
|
|
sec = (time_t)f;
|
|
usec = tobj->tv.tv_usec - (time_t)((f - (double)sec)*1e6);
|
|
sec = tobj->tv.tv_sec - sec;
|
|
}
|
|
|
|
if (usec >= 1000000) { /* usec overflow */
|
|
sec++;
|
|
usec -= 1000000;
|
|
}
|
|
if (usec < 0) { /* usec underflow */
|
|
sec--;
|
|
usec += 1000000;
|
|
}
|
|
time2 = rb_time_new(sec, usec);
|
|
if (tobj->gmt) {
|
|
GetTimeval(time2, tobj);
|
|
tobj->gmt = 1;
|
|
}
|
|
return time2;
|
|
}
|
|
|
|
static VALUE
|
|
time_sec(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_sec);
|
|
}
|
|
|
|
static VALUE
|
|
time_min(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_min);
|
|
}
|
|
|
|
static VALUE
|
|
time_hour(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_hour);
|
|
}
|
|
|
|
static VALUE
|
|
time_mday(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_mday);
|
|
}
|
|
|
|
static VALUE
|
|
time_mon(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_mon+1);
|
|
}
|
|
|
|
static VALUE
|
|
time_year(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_year+1900);
|
|
}
|
|
|
|
static VALUE
|
|
time_wday(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_wday);
|
|
}
|
|
|
|
static VALUE
|
|
time_yday(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return INT2FIX(tobj->tm.tm_yday+1);
|
|
}
|
|
|
|
static VALUE
|
|
time_isdst(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return tobj->tm.tm_isdst?Qtrue:Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
time_zone(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
char buf[64];
|
|
int len;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
|
|
if (tobj->gmt == 1) {
|
|
return rb_str_new2("UTC");
|
|
}
|
|
#if defined(HAVE_TM_ZONE)
|
|
return rb_str_new2(tobj->tm.tm_zone);
|
|
#elif defined(HAVE_TZNAME) && defined(HAVE_DAYLIGHT)
|
|
return rb_str_new2(tzname[daylight && tobj->tm.tm_isdst]);
|
|
#else
|
|
len = strftime(buf, 64, "%Z", &tobj->tm);
|
|
return rb_str_new(buf, len);
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
time_to_a(time)
|
|
VALUE time;
|
|
{
|
|
struct time_object *tobj;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
return rb_ary_new3(10,
|
|
INT2FIX(tobj->tm.tm_sec),
|
|
INT2FIX(tobj->tm.tm_min),
|
|
INT2FIX(tobj->tm.tm_hour),
|
|
INT2FIX(tobj->tm.tm_mday),
|
|
INT2FIX(tobj->tm.tm_mon+1),
|
|
INT2FIX(tobj->tm.tm_year+1900),
|
|
INT2FIX(tobj->tm.tm_wday),
|
|
INT2FIX(tobj->tm.tm_yday+1),
|
|
tobj->tm.tm_isdst?Qtrue:Qfalse,
|
|
time_zone(time));
|
|
}
|
|
|
|
#define SMALLBUF 100
|
|
static int
|
|
rb_strftime(buf, format, time)
|
|
char ** volatile buf;
|
|
char * volatile format;
|
|
struct tm * volatile time;
|
|
{
|
|
volatile int size;
|
|
int len, flen;
|
|
|
|
(*buf)[0] = '\0';
|
|
flen = strlen(format);
|
|
if (flen == 0) {
|
|
return 0;
|
|
}
|
|
len = strftime(*buf, SMALLBUF, format, time);
|
|
if (len != 0 || **buf == '\0') return len;
|
|
for (size=1024; ; size*=2) {
|
|
*buf = xmalloc(size);
|
|
(*buf)[0] = '\0';
|
|
len = strftime(*buf, size, format, time);
|
|
/*
|
|
* buflen can be zero EITHER because there's not enough
|
|
* room in the string, or because the control command
|
|
* goes to the empty string. Make a reasonable guess that
|
|
* if the buffer is 1024 times bigger than the length of the
|
|
* format string, it's not failing for lack of room.
|
|
*/
|
|
if (len > 0 || len >= 1024 * flen) return len;
|
|
free(*buf);
|
|
}
|
|
/* not reached */
|
|
}
|
|
|
|
static VALUE
|
|
time_strftime(time, format)
|
|
VALUE time, format;
|
|
{
|
|
struct time_object *tobj;
|
|
char buffer[SMALLBUF];
|
|
char *fmt;
|
|
char *buf = buffer;
|
|
int len;
|
|
VALUE str;
|
|
|
|
GetTimeval(time, tobj);
|
|
if (tobj->tm_got == 0) {
|
|
time_get_tm(time, tobj->gmt);
|
|
}
|
|
StringValue(format);
|
|
fmt = RSTRING(format)->ptr;
|
|
len = RSTRING(format)->len;
|
|
if (len == 0) {
|
|
rb_warning("strftime called with empty format string");
|
|
}
|
|
if (strlen(fmt) < len) {
|
|
/* Ruby string may contain \0's. */
|
|
char *p = fmt, *pe = fmt + len;
|
|
|
|
str = rb_str_new(0, 0);
|
|
while (p < pe) {
|
|
len = rb_strftime(&buf, p, &tobj->tm);
|
|
rb_str_cat(str, buf, len);
|
|
p += strlen(p) + 1;
|
|
if (p <= pe)
|
|
rb_str_cat(str, "\0", 1);
|
|
if (len > SMALLBUF) free(buf);
|
|
}
|
|
return str;
|
|
}
|
|
len = rb_strftime(&buf, RSTRING(format)->ptr, &tobj->tm);
|
|
str = rb_str_new(buf, len);
|
|
if (buf != buffer) free(buf);
|
|
return str;
|
|
}
|
|
|
|
static VALUE
|
|
time_s_times(obj)
|
|
VALUE obj;
|
|
{
|
|
rb_warn("obsolete method Time::times; use Process::times");
|
|
return rb_proc_times(obj);
|
|
}
|
|
|
|
static VALUE
|
|
time_dump(argc, argv, time)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE time;
|
|
{
|
|
VALUE dummy;
|
|
struct time_object *tobj;
|
|
struct tm *tm;
|
|
unsigned long p, s;
|
|
unsigned char buf[8];
|
|
time_t t;
|
|
int i;
|
|
|
|
rb_scan_args(argc, argv, "01", &dummy);
|
|
GetTimeval(time, tobj);
|
|
|
|
t = tobj->tv.tv_sec;
|
|
tm = gmtime(&t);
|
|
|
|
p = 0x1 << 31 | /* 1 */
|
|
tm->tm_year << 14 | /* 17 */
|
|
tm->tm_mon << 10 | /* 4 */
|
|
tm->tm_mday << 5 | /* 5 */
|
|
tm->tm_hour; /* 5 */
|
|
s = tm->tm_min << 26 | /* 6 */
|
|
tm->tm_sec << 20 | /* 6 */
|
|
tobj->tv.tv_usec; /* 20 */
|
|
|
|
for (i=0; i<4; i++) {
|
|
buf[i] = p & 0xff;
|
|
p = RSHIFT(p, 8);
|
|
}
|
|
for (i=4; i<8; i++) {
|
|
buf[i] = s & 0xff;
|
|
s = RSHIFT(s, 8);
|
|
}
|
|
|
|
return rb_str_new(buf, 8);
|
|
}
|
|
|
|
static VALUE
|
|
time_load(klass, str)
|
|
VALUE klass, str;
|
|
{
|
|
unsigned long p, s;
|
|
time_t sec, usec;
|
|
unsigned char *buf;
|
|
struct tm tm;
|
|
int i;
|
|
|
|
StringValue(str);
|
|
buf = RSTRING(str)->ptr;
|
|
if (RSTRING(str)->len != 8) {
|
|
rb_raise(rb_eTypeError, "marshaled time format differ");
|
|
}
|
|
|
|
p = s = 0;
|
|
for (i=0; i<4; i++) {
|
|
p |= buf[i]<<(8*i);
|
|
}
|
|
for (i=4; i<8; i++) {
|
|
s |= buf[i]<<(8*(i-4));
|
|
}
|
|
|
|
if ((p & (1<<31)) == 0) {
|
|
return time_new_internal(klass, p, s);
|
|
}
|
|
p &= ~(1<<31);
|
|
tm.tm_year = (p >> 14) & 0x1ffff;
|
|
tm.tm_mon = (p >> 10) & 0xf;
|
|
tm.tm_mday = (p >> 5) & 0x1f;
|
|
tm.tm_hour = p & 0x1f;
|
|
tm.tm_min = (s >> 26) & 0x3f;
|
|
tm.tm_sec = (s >> 20) & 0x3f;
|
|
|
|
sec = make_time_t(&tm, gmtime);
|
|
usec = (time_t) s & 0xfffff;
|
|
|
|
return time_new_internal(klass, sec, usec);
|
|
}
|
|
|
|
void
|
|
Init_Time()
|
|
{
|
|
rb_cTime = rb_define_class("Time", rb_cObject);
|
|
rb_include_module(rb_cTime, rb_mComparable);
|
|
|
|
rb_define_singleton_method(rb_cTime, "now", time_s_now, 0);
|
|
rb_define_singleton_method(rb_cTime, "new", time_s_new, -1);
|
|
rb_define_singleton_method(rb_cTime, "at", time_s_at, -1);
|
|
rb_define_singleton_method(rb_cTime, "utc", time_s_mkutc, -1);
|
|
rb_define_singleton_method(rb_cTime, "gm", time_s_mkutc, -1);
|
|
rb_define_singleton_method(rb_cTime, "local", time_s_mktime, -1);
|
|
rb_define_singleton_method(rb_cTime, "mktime", time_s_mktime, -1);
|
|
|
|
rb_define_singleton_method(rb_cTime, "times", time_s_times, 0);
|
|
|
|
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, "<=>", time_cmp, 1);
|
|
rb_define_method(rb_cTime, "eql?", time_eql, 1);
|
|
rb_define_method(rb_cTime, "hash", time_hash, 0);
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rb_define_method(rb_cTime, "clone", time_clone, 0);
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rb_define_method(rb_cTime, "localtime", time_localtime, 0);
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rb_define_method(rb_cTime, "gmtime", time_gmtime, 0);
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rb_define_method(rb_cTime, "utc", time_gmtime, 0);
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rb_define_method(rb_cTime, "ctime", time_asctime, 0);
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rb_define_method(rb_cTime, "asctime", time_asctime, 0);
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rb_define_method(rb_cTime, "to_s", time_to_s, 0);
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rb_define_method(rb_cTime, "inspect", time_to_s, 0);
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|
rb_define_method(rb_cTime, "to_a", time_to_a, 0);
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|
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rb_define_method(rb_cTime, "+", time_plus, 1);
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|
rb_define_method(rb_cTime, "-", time_minus, 1);
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|
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rb_define_method(rb_cTime, "sec", time_sec, 0);
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|
rb_define_method(rb_cTime, "min", time_min, 0);
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rb_define_method(rb_cTime, "hour", time_hour, 0);
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|
rb_define_method(rb_cTime, "mday", time_mday, 0);
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|
rb_define_method(rb_cTime, "day", time_mday, 0);
|
|
rb_define_method(rb_cTime, "mon", time_mon, 0);
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|
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);
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|
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);
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|
rb_define_method(rb_cTime, "zone", time_zone, 0);
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|
|
|
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, "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, "strftime", time_strftime, 1);
|
|
|
|
/* methods for marshaling */
|
|
rb_define_method(rb_cTime, "_dump", time_dump, -1);
|
|
rb_define_singleton_method(rb_cTime, "_load", time_load, 1);
|
|
}
|