Rework all non-contributed files that use `struct timezone'.

This structure is not part of POSIX. According to POSIX, gettimeofday()
has the following prototype:

	int gettimeofday(struct timeval *restrict tp, void *restrict tzp);

Also, POSIX states that gettimeofday() shall return 0 (as long as tzp is
not used). Remove dead error handling code. Also use NULL for a
nul-pointer instead of integer 0.

While there, change all pieces of code that only use tv_sec to use
time(3), as this provides less overhead.

1 files changed, 1 insertions, 7 deletions

diff --git a/usr.sbin/inetd/builtins.c b/usr.sbin/inetd/builtins.c
index 974e54f..3ccdab0 100644
--- a/usr.sbin/inetd/builtins.c
+++ b/usr.sbin/inetd/builtins.c
@@ -691,15 +691,9 @@ printit:
 uint32_t
 machtime(void)
 {
-	struct timeval tv;
 
-	if (gettimeofday(&tv, (struct timezone *)NULL) < 0) {
-		if (debug)
-			warnx("unable to get time of day");
-		return (0L);
-	}
 #define	OFFSET ((uint32_t)25567 * 24*60*60)
-	return (htonl((uint32_t)(tv.tv_sec + OFFSET)));
+	return (htonl((uint32_t)(time(NULL) + OFFSET)));
 #undef OFFSET
 }