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

[musl] / include / sys / time.h

diff --git a/include/sys/time.h b/include/sys/time.h
index 144dd23..b6787c3 100644 (file)
--- a/include/sys/time.h
+++ b/include/sys/time.h
@@ -4,9 +4,11 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #include <sys/select.h>
 
-int gettimeofday (struct timeval *, void *);
+int gettimeofday (struct timeval *__restrict, void *__restrict);
 
 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  || defined(_BSD_SOURCE)
@@ -22,28 +24,29 @@ struct itimerval
 };
 
 int getitimer (int, struct itimerval *);
-int setitimer (int, const struct itimerval *, struct itimerval *);
+int setitimer (int, const struct itimerval *__restrict, struct itimerval *__restrict);
 int utimes (const char *, const struct timeval [2]);
 
 #endif
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-int futimes(int, const struct timeval [2]);
-int lutimes(const char *, const struct timeval [2]);
-int settimeofday (const struct timeval *, void *);
-int adjtime (const struct timeval *, struct timeval *);
 struct timezone {
        int tz_minuteswest;
        int tz_dsttime;
 };
+int futimes(int, const struct timeval [2]);
+int futimesat(int, const char *, const struct timeval [2]);
+int lutimes(const char *, const struct timeval [2]);
+int settimeofday(const struct timeval *, const struct timezone *);
+int adjtime (const struct timeval *, struct timeval *);
 #define timerisset(t) ((t)->tv_sec || (t)->tv_usec)
 #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