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| author | Denys Vlasenko | 2017-07-27 14:31:59 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2017-07-27 14:31:59 +0200 |
| commit | e9a5a6985ca7f484df60df1f9bdc8b62eac88f2e (patch) | |
| tree | 115df45990a5cfc3236de23fd87c72caf91c6fad /util-linux/rdate.c | |
| parent | 1d8df52d451c2085365dd2a457e498a7891348ee (diff) | |
| download | busybox-e9a5a6985ca7f484df60df1f9bdc8b62eac88f2e.zip busybox-e9a5a6985ca7f484df60df1f9bdc8b62eac88f2e.tar.gz | |
rdate: tweak comments, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux/rdate.c')
| -rw-r--r-- | util-linux/rdate.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/util-linux/rdate.c b/util-linux/rdate.c index 66b877e..14ce591 100644 --- a/util-linux/rdate.c +++ b/util-linux/rdate.c @@ -41,7 +41,7 @@ static time_t askremotedate(const char *host) uint32_t nett; int fd; - /* Add a timeout for dead or inaccessible servers */ + /* Timeout for dead or inaccessible servers */ alarm(10); signal(SIGALRM, socket_timeout); @@ -53,9 +53,8 @@ static time_t askremotedate(const char *host) close(fd); /* Convert from network byte order to local byte order. - * RFC 868 time is the number of seconds - * since 00:00 (midnight) 1 January 1900 GMT - * the RFC 868 time 2,208,988,800 corresponds to 00:00 1 Jan 1970 GMT + * RFC 868 time is seconds since 1900-01-01 00:00 GMT. + * RFC 868 time 2,208,988,800 corresponds to 1970-01-01 00:00 GMT. * Subtract the RFC 868 time to get Linux epoch. */ nett = ntohl(nett) - RFC_868_BIAS; @@ -66,7 +65,7 @@ static time_t askremotedate(const char *host) * current time cur = 0x123ffffffff. * Assuming our time is not some 40 years off, * remote time must be 0x12400000001. - * Need to adjust out time by (int32_t)(nett - cur). + * Need to adjust our time by (int32_t)(nett - cur). */ time_t cur = time(NULL); int32_t adjust = (int32_t)(nett - (uint32_t)cur); |