--- time2posix.3 | 5 ++--- tzfile.5 | 12 ++++++------ 2 files changed, 8 insertions(+), 9 deletions(-) diff --git a/time2posix.3 b/time2posix.3 index d689608..75d8097 100644 --- a/time2posix.3 +++ b/time2posix.3 @@ -28,9 +28,8 @@ time2posix, posix2time \- convert seconds since the Epoch .. IEEE Standard 1003.1 (POSIX) -legislates that a time_t value of -536457599 shall correspond to "Wed Dec 31 23:59:59 UTC 1986." -This effectively implies that POSIX time_t's cannot include leap +requires the time_t value 536457599 to stand for 1986-12-31 23:59:59 UTC. +This effectively implies that POSIX time_t values cannot include leap seconds and, therefore, that the system time must be adjusted as each leap occurs. diff --git a/tzfile.5 b/tzfile.5 index 182cc43..1e67a64 100644 --- a/tzfile.5 +++ b/tzfile.5 @@ -13,7 +13,7 @@ followed by a character identifying the version of the file's format (as of 2013, either an ASCII NUL, or '2', or '3') followed by fifteen bytes containing zeroes reserved for future use, followed by six four-byte integer values -written in a "standard" byte order +written in a standard byte order (the high-order byte of the value is written first). These values are, in order: @@ -28,28 +28,28 @@ The number of standard/wall indicators stored in the file. The number of leap seconds for which data are stored in the file. .TP .I tzh_timecnt -The number of "transition times" for which data are stored +The number of transition times for which data are stored in the file. .TP .I tzh_typecnt -The number of "local time types" for which data are stored +The number of local time types for which data are stored in the file (must not be zero). .TP .I tzh_charcnt -The number of characters of "time zone abbreviation strings" +The number of characters of time zone abbreviation strings stored in the file. .PP The above header is followed by .I tzh_timecnt four-byte signed integer values sorted in ascending order. -These values are written in "standard" byte order. +These values are written in standard byte order. Each is used as a transition time (as returned by .IR time (2)) at which the rules for computing local time change. Next come .I tzh_timecnt one-byte unsigned integer values; -each one tells which of the different types of "local time" types +each one tells which of the different types of local time types described in the file is associated with the same-indexed transition time. These values serve as indices into an array of .I ttinfo -- 1.9.1