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| author | Father Chrysostomos <sprout@cpan.org> | 2012-04-24 22:15:13 -0700 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2012-04-24 22:15:13 -0700 |
| commit | 662ded96f89fe17cb0065b57b259632cbf394446 (patch) | |
| tree | 2e3a005b0a1213fb773db7e827fbc48d8aa635a2 /Porting | |
| parent | cb592430394b1612b2e964d2b8e2b89c81d68737 (diff) | |
| download | perl-662ded96f89fe17cb0065b57b259632cbf394446.tar.gz | |
perl5160delta: More details for C<utf8_to_uv*_buf>
I had a note to myself to make sure these were added. I don’t
remember why they were not already there. Perhaps the changes
were after 5.15.9.
Diffstat (limited to 'Porting')
| -rw-r--r-- | Porting/perl5160delta.pod | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Porting/perl5160delta.pod b/Porting/perl5160delta.pod index a759db6373..09d87cdbbd 100644 --- a/Porting/perl5160delta.pod +++ b/Porting/perl5160delta.pod @@ -499,6 +499,13 @@ guarantee that it doesn't read (up to 12 bytes in the worst case) beyond the end of its input string. See L<is_utf8_char_buf()|/Added is_utf8_char_buf()>. +=head2 Malformed UTF-8 input could cause attempts to read beyond the end of the buffer + +Two new XS-accessible functions, C<utf8_to_uvchr_buf()> and +C<utf8_to_uvuni_buf()> are now available to prevent this, and the Perl +core has been converted to use them. +See L</Internal Changes>. + =head2 C<File::Glob::bsd_glob()> memory error with GLOB_ALTDIRFUNC (CVE-2011-2728). Calling C<File::Glob::bsd_glob> with the unsupported flag @@ -530,11 +537,12 @@ file most likely for applications to have used is F<lib/unicore/ToDigit.pl>. L<Unicode::UCD/prop_invmap()> can be used to get at its data instead. -=head2 C<is_utf8_char()> +=head2 XS functions C<is_utf8_char()>, C<utf8_to_uvchr()> and +C<utf8_to_uvuni()> This function is deprecated because it could read beyond the end of the -input string. Use the new L<is_utf8_char_buf()|/Added is_utf8_char_buf()> -instead. +input string. Use the new L<is_utf8_char_buf()|/Added is_utf8_char_buf()>, +C<utf8_to_uvchr_buf()> and C<utf8_to_uvuni_buf()> instead. =head1 Future Deprecations |