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timeradd/timersub: cast result to void to get rid of warnings

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previously:
timersub(&now, t, &diff);

warning: value computed is not used [-Wunused-value]
This commit is contained in:
rofl0r 2013-11-23 13:01:53 +01:00
parent aeea71dc04
commit 8ff810d779
1 changed files with 2 additions and 2 deletions
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4
include/sys/time.h
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@ -43,10 +43,10 @@ int adjtime (const struct timeval *, struct timeval *);
#define timerclear(t) ((t)->tv_sec = (t)->tv_usec = 0)
#define timercmp(s,t,op) ((s)->tv_sec == (t)->tv_sec ? \
(s)->tv_usec op (t)->tv_usec : (s)->tv_sec op (t)->tv_sec)
#define timeradd(s,t,a) ( (a)->tv_sec = (s)->tv_sec + (t)->tv_sec, \
#define timeradd(s,t,a) (void) ( (a)->tv_sec = (s)->tv_sec + (t)->tv_sec, \
((a)->tv_usec = (s)->tv_usec + (t)->tv_usec) >= 1000000 && \
((a)->tv_usec -= 1000000, (a)->tv_sec++) )
#define timersub(s,t,a) ( (a)->tv_sec = (s)->tv_sec - (t)->tv_sec, \
#define timersub(s,t,a) (void) ( (a)->tv_sec = (s)->tv_sec - (t)->tv_sec, \
((a)->tv_usec = (s)->tv_usec - (t)->tv_usec) < 0 && \
((a)->tv_usec += 1000000, (a)->tv_sec--) )
#endif