ocaml/otherlibs/unix/gmtime.c

86 lines
2.3 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include "unixsupport.h"
#include <time.h>
static value alloc_tm(tm)
struct tm * tm;
{
value res;
res = alloc_tuple(9);
Field(res,0) = Val_int(tm->tm_sec);
Field(res,1) = Val_int(tm->tm_min);
Field(res,2) = Val_int(tm->tm_hour);
Field(res,3) = Val_int(tm->tm_mday);
Field(res,4) = Val_int(tm->tm_mon);
Field(res,5) = Val_int(tm->tm_year);
Field(res,6) = Val_int(tm->tm_wday);
Field(res,7) = Val_int(tm->tm_yday);
Field(res,8) = tm->tm_isdst ? Val_true : Val_false;
return res;
}
value unix_gmtime(t) /* ML */
value t;
{
time_t clock;
clock = Long_val(t);
return alloc_tm(gmtime(&clock));
}
value unix_localtime(t) /* ML */
value t;
{
time_t clock;
clock = Long_val(t);
return alloc_tm(localtime(&clock));
}
#ifdef HAS_MKTIME
value unix_mktime(t) /* ML */
value t;
{
struct tm tm;
time_t clock;
value res;
Push_roots(r, 1);
tm.tm_sec = Int_val(Field(t, 0));
tm.tm_min = Int_val(Field(t, 1));
tm.tm_hour = Int_val(Field(t, 2));
tm.tm_mday = Int_val(Field(t, 3));
tm.tm_mon = Int_val(Field(t, 4));
tm.tm_year = Int_val(Field(t, 5));
tm.tm_wday = Int_val(Field(t, 6));
tm.tm_yday = Int_val(Field(t, 7));
tm.tm_isdst = Bool_val(Field(t, 8));
clock = mktime(&tm);
r[0] = alloc_tm(&tm);
res = alloc_tuple(2);
Field(res, 0) = Val_long(clock);
Field(res, 1) = r[0];
Pop_roots();
return res;
}
#else
value unix_mktime() { invalid_argument("mktime not implemented"); }
#endif