fgets: avoid arithmetic overflow when n==INT_MIN is passed

[musl] / src / linux / settimeofday.c

diff --git a/src/linux/settimeofday.c b/src/linux/settimeofday.c
index 15c18c6..860fb5d 100644 (file)
--- a/src/linux/settimeofday.c
+++ b/src/linux/settimeofday.c
@@ -1,8 +1,13 @@
 #define _BSD_SOURCE
 #include <sys/time.h>
+#include <time.h>
+#include <errno.h>
 #include "syscall.h"
 
 int settimeofday(const struct timeval *tv, const struct timezone *tz)
 {
-       return syscall(SYS_settimeofday, tv, 0);
+       if (!tv) return 0;
+       if (tv->tv_usec >= 1000000ULL) return __syscall_ret(-EINVAL);
+       return clock_settime(CLOCK_REALTIME, &((struct timespec){
+               .tv_sec = tv->tv_sec, .tv_nsec = tv->tv_usec * 1000}));
 }