X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?p=ossec-hids.git;a=blobdiff_plain;f=src%2Fexternal%2Fpcre2-10.32%2FNEWS;fp=src%2Fexternal%2Fpcre2-10.32%2FNEWS;h=94345b3cb11fb0292d57195f7c2955f77edbd808;hp=0000000000000000000000000000000000000000;hb=3f728675941dc69d4e544d3a880a56240a6e394a;hpb=927951d1c1ad45ba9e7325f07d996154a91c911b diff --git a/src/external/pcre2-10.32/NEWS b/src/external/pcre2-10.32/NEWS new file mode 100644 index 0000000..94345b3 --- /dev/null +++ b/src/external/pcre2-10.32/NEWS @@ -0,0 +1,248 @@ +News about PCRE2 releases +------------------------- + + +Version 10.32 10-September-2018 +------------------------------- + +This is another mainly bugfix and tidying release with a few minor +enhancements. These are the main ones: + +1. pcre2grep now supports the inclusion of binary zeros in patterns that are +read from files via the -f option. + +2. ./configure now supports --enable-jit=auto, which automatically enables JIT +if the hardware supports it. + +3. In pcre2_dfa_match(), internal recursive calls no longer use the stack for +local workspace and local ovectors. Instead, an initial block of stack is +reserved, but if this is insufficient, heap memory is used. The heap limit +parameter now applies to pcre2_dfa_match(). + +4. Updated to Unicode version 11.0.0. + +5. (*ACCEPT:ARG), (*FAIL:ARG), and (*COMMIT:ARG) are now supported. + +6. Added support for \N{U+dddd}, but only in Unicode mode. + +7. Added support for (?^) to unset all imnsx options. + + +Version 10.31 12-February-2018 +------------------------------ + +This is mainly a bugfix and tidying release (see ChangeLog for full details). +However, there are some minor enhancements. + +1. New pcre2_config() options: PCRE2_CONFIG_NEVER_BACKSLASH_C and +PCRE2_CONFIG_COMPILED_WIDTHS. + +2. New pcre2_pattern_info() option PCRE2_INFO_EXTRAOPTIONS to retrieve the +extra compile time options. + +3. There are now public names for all the pcre2_compile() error numbers. + +4. Added PCRE2_CALLOUT_STARTMATCH and PCRE2_CALLOUT_BACKTRACK bits to a new +field callout_flags in callout blocks. + + +Version 10.30 14-August-2017 +---------------------------- + +The full list of changes that includes bugfixes and tidies is, as always, in +ChangeLog. These are the most important new features: + +1. The main interpreter, pcre2_match(), has been refactored into a new version +that does not use recursive function calls (and therefore the system stack) for +remembering backtracking positions. This makes --disable-stack-for-recursion a +NOOP. The new implementation allows backtracking into recursive group calls in +patterns, making it more compatible with Perl, and also fixes some other +previously hard-to-do issues. For patterns that have a lot of backtracking, the +heap is now used, and there is an explicit limit on the amount, settable by +pcre2_set_heap_limit() or (*LIMIT_HEAP=xxx). The "recursion limit" is retained, +but is renamed as "depth limit" (though the old names remain for +compatibility). + +There is also a change in the way callouts from pcre2_match() are handled. The +offset_vector field in the callout block is no longer a pointer to the +actual ovector that was passed to the matching function in the match data +block. Instead it points to an internal ovector of a size large enough to hold +all possible captured substrings in the pattern. + +2. The new option PCRE2_ENDANCHORED insists that a pattern match must end at +the end of the subject. + +3. The new option PCRE2_EXTENDED_MORE implements Perl's /xx feature, and +pcre2test is upgraded to support it. Setting within the pattern by (?xx) is +also supported. + +4. (?n) can be used to set PCRE2_NO_AUTO_CAPTURE, because Perl now has this. + +5. Additional compile options in the compile context are now available, and the +first two are: PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES and +PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL. + +6. The newline type PCRE2_NEWLINE_NUL is now available. + +7. The match limit value now also applies to pcre2_dfa_match() as there are +patterns that can use up a lot of resources without necessarily recursing very +deeply. + +8. The option REG_PEND (a GNU extension) is now available for the POSIX +wrapper. Also there is a new option PCRE2_LITERAL which is used to support +REG_NOSPEC. + +9. PCRE2_EXTRA_MATCH_LINE and PCRE2_EXTRA_MATCH_WORD are implemented for the +benefit of pcre2grep, and pcre2grep's -F, -w, and -x options are re-implemented +using PCRE2_LITERAL, PCRE2_EXTRA_MATCH_WORD, and PCRE2_EXTRA_MATCH_LINE. This +is tidier and also fixes some bugs. + +10. The Unicode tables are upgraded from Unicode 8.0.0 to Unicode 10.0.0. + +11. There are some experimental functions for converting foreign patterns +(globs and POSIX patterns) into PCRE2 patterns. + + +Version 10.23 14-February-2017 +------------------------------ + +1. ChangeLog has the details of a lot of bug fixes and tidies. + +2. There has been a major re-factoring of the pcre2_compile.c file. Most syntax +checking is now done in the pre-pass that identifies capturing groups. This has +reduced the amount of duplication and made the code tidier. While doing this, +some minor bugs and Perl incompatibilities were fixed (see ChangeLog for +details.) + +3. Back references are now permitted in lookbehind assertions when there are +no duplicated group numbers (that is, (?| has not been used), and, if the +reference is by name, there is only one group of that name. The referenced +group must, of course be of fixed length. + +4. \g{+} (e.g. \g{+2} ) is now supported. It is a "forward back +reference" and can be useful in repetitions (compare \g{-} ). Perl does +not recognize this syntax. + +5. pcre2grep now automatically expands its buffer up to a maximum set by +--max-buffer-size. + +6. The -t option (grand total) has been added to pcre2grep. + +7. A new function called pcre2_code_copy_with_tables() exists to copy a +compiled pattern along with a private copy of the character tables that is +uses. + +8. A user supplied a number of patches to upgrade pcre2grep under Windows and +tidy the code. + +9. Several updates have been made to pcre2test and test scripts (see +ChangeLog). + + +Version 10.22 29-July-2016 +-------------------------- + +1. ChangeLog has the details of a number of bug fixes. + +2. The POSIX wrapper function regcomp() did not used to support back references +and subroutine calls if called with the REG_NOSUB option. It now does. + +3. A new function, pcre2_code_copy(), is added, to make a copy of a compiled +pattern. + +4. Support for string callouts is added to pcre2grep. + +5. Added the PCRE2_NO_JIT option to pcre2_match(). + +6. The pcre2_get_error_message() function now returns with a negative error +code if the error number it is given is unknown. + +7. Several updates have been made to pcre2test and test scripts (see +ChangeLog). + + +Version 10.21 12-January-2016 +----------------------------- + +1. Many bugs have been fixed. A large number of them were provoked only by very +strange pattern input, and were discovered by fuzzers. Some others were +discovered by code auditing. See ChangeLog for details. + +2. The Unicode tables have been updated to Unicode version 8.0.0. + +3. For Perl compatibility in EBCDIC environments, ranges such as a-z in a +class, where both values are literal letters in the same case, omit the +non-letter EBCDIC code points within the range. + +4. There have been a number of enhancements to the pcre2_substitute() function, +giving more flexibility to replacement facilities. It is now also possible to +cause the function to return the needed buffer size if the one given is too +small. + +5. The PCRE2_ALT_VERBNAMES option causes the "name" parts of special verbs such +as (*THEN:name) to be processed for backslashes and to take note of +PCRE2_EXTENDED. + +6. PCRE2_INFO_HASBACKSLASHC makes it possible for a client to find out if a +pattern uses \C, and --never-backslash-C makes it possible to compile a version +PCRE2 in which the use of \C is always forbidden. + +7. A limit to the length of pattern that can be handled can now be set by +calling pcre2_set_max_pattern_length(). + +8. When matching an unanchored pattern, a match can be required to begin within +a given number of code units after the start of the subject by calling +pcre2_set_offset_limit(). + +9. The pcre2test program has been extended to test new facilities, and it can +now run the tests when LF on its own is not a valid newline sequence. + +10. The RunTest script has also been updated to enable more tests to be run. + +11. There have been some minor performance enhancements. + + +Version 10.20 30-June-2015 +-------------------------- + +1. Callouts with string arguments and the pcre2_callout_enumerate() function +have been implemented. + +2. The PCRE2_NEVER_BACKSLASH_C option, which locks out the use of \C, is added. + +3. The PCRE2_ALT_CIRCUMFLEX option lets ^ match after a newline at the end of a +subject in multiline mode. + +4. The way named subpatterns are handled has been refactored. The previous +approach had several bugs. + +5. The handling of \c in EBCDIC environments has been changed to conform to the +perlebcdic document. This is an incompatible change. + +6. Bugs have been mended, many of them discovered by fuzzers. + + +Version 10.10 06-March-2015 +--------------------------- + +1. Serialization and de-serialization functions have been added to the API, +making it possible to save and restore sets of compiled patterns, though +restoration must be done in the same environment that was used for compilation. + +2. The (*NO_JIT) feature has been added; this makes it possible for a pattern +creator to specify that JIT is not to be used. + +3. A number of bugs have been fixed. In particular, bugs that caused building +on Windows using CMake to fail have been mended. + + +Version 10.00 05-January-2015 +----------------------------- + +Version 10.00 is the first release of PCRE2, a revised API for the PCRE +library. Changes prior to 10.00 are logged in the ChangeLog file for the old +API, up to item 20 for release 8.36. New programs are recommended to use the +new library. Programs that use the original (PCRE1) API will need changing +before linking with the new library. + +****