2 * This file is part of DisOrder.
3 * Copyright (C) 2007, 2008 Richard Kettlewell
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 static inline struct timeval
tvsub(const struct timeval a
,
25 const struct timeval b
) {
28 r
.tv_sec
= a
.tv_sec
- b
.tv_sec
;
29 r
.tv_usec
= a
.tv_usec
- b
.tv_usec
;
34 if(r
.tv_usec
> 999999) {
41 static inline struct timeval
tvadd(const struct timeval a
,
42 const struct timeval b
) {
45 r
.tv_sec
= a
.tv_sec
+ b
.tv_sec
;
46 r
.tv_usec
= a
.tv_usec
+ b
.tv_usec
;
51 if(r
.tv_usec
> 999999) {
58 static inline double tvdouble(const struct timeval a
) {
59 return a
.tv_sec
+ a
.tv_usec
/ 1000000.0;
62 static inline int64_t tvsub_us(const struct timeval a
,
63 const struct timeval b
) {
64 return (((uint64_t)a
.tv_sec
* 1000000 + a
.tv_usec
)
65 - ((uint64_t)b
.tv_sec
* 1000000 + b
.tv_usec
));
68 /** @brief Great-than comparison for timevals */
69 static inline int tvgt(const struct timeval
*a
, const struct timeval
*b
) {
70 if(a
->tv_sec
> b
->tv_sec
)
72 if(a
->tv_sec
== b
->tv_sec
73 && a
->tv_usec
> b
->tv_usec
)
79 comparison for timevals */
80 static inline int tvlt(const struct timeval
*a
, const struct timeval
*b
) {
81 if(a
->tv_sec
< b
->tv_sec
)
83 if(a
->tv_sec
== b
->tv_sec
84 && a
->tv_usec
< b
->tv_usec
)
89 /** @brief Greater-than-or-equal comparison for timevals */
90 static inline int tvge(const struct timeval
*a
, const struct timeval
*b
) {
94 /** @brief Less-than-or-equal comparison for timevals */
95 static inline int tvle(const struct timeval
*a
, const struct timeval
*b
) {
99 #endif /* TIMEVAL_H */