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authorrofl0r <retnyg@gmx.net>2013-11-23 13:01:53 +0100
committerrofl0r <retnyg@gmx.net>2013-11-23 13:01:53 +0100
commit8ff810d779daa29b78d14e477f5a68b51ed232d1 (patch)
tree60c283086559363331da63028706c6f8bc5bf0b4
parentaeea71dc042d8d0a05f4293a0e98c9cd009ffc16 (diff)
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timeradd/timersub: cast result to void to get rid of warnings
previously:
timersub(&now, t, &diff);

warning: value computed is not used [-Wunused-value]
-rw-r--r--include/sys/time.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/sys/time.h b/include/sys/time.h
index 3ce824e6..b6787c3c 100644
--- a/include/sys/time.h
+++ b/include/sys/time.h
@@ -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