diff options
| author | Jarkko Hietaniemi <jhi@iki.fi> | 2003-07-11 00:27:41 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2003-07-11 00:27:41 +0000 |
| commit | e25e4ae41f8ce30f8e6d6ac955291eee34cb862d (patch) | |
| tree | 2f3d1798aabdcf918657f8657ea3f7f23f2554ae /INSTALL | |
| parent | 9ab59d93de462e615ae5db2b22e3228360899572 (diff) | |
| download | perl-e25e4ae41f8ce30f8e6d6ac955291eee34cb862d.tar.gz | |
Integrate:
[ 20137]
Retract the statements.
[ 20138]
More retraction.
[ 20139]
New order of seed.
p4raw-link: @20139 on //depot/perl: 99c877a1ede996bce9129fe302f92f7e1ed9b77d
p4raw-link: @20138 on //depot/perl: b90ada5a1675d8de9e79ad2a4437d0678a700f67
p4raw-link: @20137 on //depot/perl: f66d27219d38f673658dece7f9afd3498a458e6d
p4raw-id: //depot/maint-5.8/perl@20141
p4raw-integrated: from //depot/perl@20140 'copy in' pod/perlsec.pod
(@19866..) INSTALL (@20066..) 'merge in' pod/perlfunc.pod
(@20059..) pod/perlrun.pod (@20135..)
Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -849,12 +849,12 @@ to create such degenerate hashes. Because of this feature the keys(), values(), and each() functions may return the hash elements in different order between different -runs of Perl even with the same data. One can still revert to the old -repeatable order by setting the environment variable PERL_HASH_SEED, -see L<perlrun>. Another option is to add -DUSE_HASH_SEED_EXPLICIT to -the compilation flags, in which case one has to explicitly set the -PERL_HASH_SEED environment variable to enable the security feature, -or -DNO_HASH_SEED to completely disable the feature. +runs of Perl even with the same data. The additional randomisation +is enabled if the environment variable PERL_HASH_SEED is set, see +perlrun for details. + +One make the randomisation default by adding -DUSE_HASH_SEED to the +compilation flags, or completely disable it by adding -DNO_HASH_SEED. B<Perl has never guaranteed any ordering of the hash keys>, and the ordering has already changed several times during the lifetime of |