blob: 6494d0f41dd5b4c31fe3cf8647325cb62ec250eb (
plain)
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// -*- c++ -*-
/* $Id$ */
/* timeval.cc
*
* Copyright (C) 2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glib/gmain.h>
#include <glib/gmessages.h>
#include <glib/gtimer.h>
#include <glibmm/timeval.h>
namespace Glib
{
void TimeVal::assign_current_time()
{
g_get_current_time(this);
}
void TimeVal::add(const TimeVal& rhs)
{
g_return_if_fail(tv_usec >= 0 && tv_usec < G_USEC_PER_SEC);
g_return_if_fail(rhs.tv_usec >= 0 && rhs.tv_usec < G_USEC_PER_SEC);
tv_usec += rhs.tv_usec;
if(tv_usec >= G_USEC_PER_SEC)
{
tv_usec -= G_USEC_PER_SEC;
++tv_sec;
}
tv_sec += rhs.tv_sec;
}
void TimeVal::subtract(const TimeVal& rhs)
{
g_return_if_fail(tv_usec >= 0 && tv_usec < G_USEC_PER_SEC);
g_return_if_fail(rhs.tv_usec >= 0 && rhs.tv_usec < G_USEC_PER_SEC);
tv_usec -= rhs.tv_usec;
if(tv_usec < 0)
{
tv_usec += G_USEC_PER_SEC;
--tv_sec;
}
tv_sec -= rhs.tv_sec;
}
void TimeVal::add_seconds(long seconds)
{
g_return_if_fail(tv_usec >= 0 && tv_usec < G_USEC_PER_SEC);
tv_sec += seconds;
}
void TimeVal::subtract_seconds(long seconds)
{
g_return_if_fail(tv_usec >= 0 && tv_usec < G_USEC_PER_SEC);
tv_sec -= seconds;
}
void TimeVal::add_milliseconds(long milliseconds)
{
g_return_if_fail(tv_usec >= 0 && tv_usec < G_USEC_PER_SEC);
tv_usec += (milliseconds % 1000) * 1000;
if(tv_usec < 0)
{
tv_usec += G_USEC_PER_SEC;
--tv_sec;
}
else if(tv_usec >= G_USEC_PER_SEC)
{
tv_usec -= G_USEC_PER_SEC;
++tv_sec;
}
tv_sec += milliseconds / 1000;
}
void TimeVal::subtract_milliseconds(long milliseconds)
{
add_milliseconds(-1 * milliseconds);
}
void TimeVal::add_microseconds(long microseconds)
{
g_time_val_add(this, microseconds);
}
void TimeVal::subtract_microseconds(long microseconds)
{
g_time_val_add(this, -1 * microseconds);
}
} // namespace Glib
|
