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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/**************************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. */
/* */
/* All rights reserved. This file is distributed under the terms of */
/* the GNU Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#include <caml/mlvalues.h>
#include <caml/alloc.h>
#include <caml/fail.h>
#include <caml/memory.h>
#include "unixsupport.h"
#include <time.h>
#include <errno.h>
static value alloc_tm(struct tm *tm)
{
value res;
res = caml_alloc_small(9, 0);
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;
}
CAMLprim value caml_unix_gmtime(value t)
{
time_t clock;
struct tm * tm;
clock = (time_t) Double_val(t);
tm = gmtime(&clock);
if (tm == NULL) caml_unix_error(EINVAL, "gmtime", Nothing);
return alloc_tm(tm);
}
CAMLprim value caml_unix_localtime(value t)
{
time_t clock;
struct tm * tm;
clock = (time_t) Double_val(t);
tm = localtime(&clock);
if (tm == NULL) caml_unix_error(EINVAL, "localtime", Nothing);
return alloc_tm(tm);
}
#ifdef HAS_MKTIME
CAMLprim value caml_unix_mktime(value t)
{
CAMLparam0();
CAMLlocal2(tmval, clkval);
struct tm tm;
time_t clock;
value res;
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 = -1; /* tm.tm_isdst = Bool_val(Field(t, 8)); */
clock = mktime(&tm);
if (clock == (time_t) -1) caml_unix_error(ERANGE, "mktime", Nothing);
tmval = alloc_tm(&tm);
clkval = caml_copy_double((double) clock);
res = caml_alloc_small(2, 0);
Field(res, 0) = clkval;
Field(res, 1) = tmval;
CAMLreturn(res);
}
#else
CAMLprim value caml_unix_mktime(value t)
{ caml_invalid_argument("mktime not implemented"); }
#endif
|
