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| author | Michael G. Schwern <schwern@pobox.com> | 2008-10-04 18:24:54 -0400 |
|---|---|---|
| committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2009-01-03 18:39:16 +0100 |
| commit | 461d5a49bcaf1bdc023edb10ef9b6c0606ec0131 (patch) | |
| tree | b320c5fc7d5618b148e9437543445ba6ec23e764 /pod/perlport.pod | |
| parent | b86b480f7301a8816081189c89b366a79ab9909f (diff) | |
| download | perl-461d5a49bcaf1bdc023edb10ef9b6c0606ec0131.tar.gz | |
Update from y2038.
Add trace code.
Fix implied negative time in localtie64_r(). This fixes Windows.
Put in some more tests around small negative and positive times to
try and catch the above.
Explain the loss of accuracy due to use of doubles in perlport.
Diffstat (limited to 'pod/perlport.pod')
| -rw-r--r-- | pod/perlport.pod | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pod/perlport.pod b/pod/perlport.pod index 8a72de246f..ff1ba39675 100644 --- a/pod/perlport.pod +++ b/pod/perlport.pod @@ -1860,7 +1860,10 @@ platforms. See L<File::Glob> for portability information. =item gmtime -gmtime() has a range of about 2 billion years before and after 1970. +In theory, gmtime() is reliable from -2**63 to 2**63-1. However, +because work arounds in the implementation use floating point numbers, +it will become inaccurate as the time gets larger. This is a bug and +will be fixed in the future. =item ioctl FILEHANDLE,FUNCTION,SCALAR |