26e92bc554
Fix crash for pattern with very many captures. Fixes oss-fuzz issue 783.
2017-03-10 16:34:54 +00:00
20804215a8
Code for new interpreter (build system and documentation still to be done).
2017-03-09 16:23:28 +00:00
53bf29d689
Fix 32-bit non-UTF property test crash.
2017-02-24 18:25:32 +00:00
f6f7c9148f
Check malloc returns in pcre2test.
2017-02-23 17:05:43 +00:00
0299bba9d9
Fix previously broken fix for pcre2grep with -Mo matching strings that cross
...
line boundaries.
2017-02-10 17:39:29 +00:00
3fb194afa4
Cache group minima to speed up studying of pathological patterns. Fixes
...
oss-fuzz #557 .
2017-02-10 16:33:15 +00:00
7ab91fdfb2
Reduce recursion limit for auto-possessify to reduce stack usage at compile
...
time. Fixes oss-fuzz issue 553.
2017-02-08 17:03:30 +00:00
4311f49d0e
Fix \g+ bug when the number that follows is too big.
2017-01-31 17:15:30 +00:00
6332aa1101
Fix pcre2test mishandling "end before start" return with POSIX interface.
2017-01-11 17:02:27 +00:00
1226e2e0d0
Fix hyphen after \E after POSIX class causing an error.
2017-01-11 16:40:35 +00:00
255bc030d9
Improve class handling for \H and \V by ignoring caseless.
2017-01-03 18:17:31 +00:00
84601d910b
Reduce stack requirements for test 6.
2017-01-02 16:15:11 +00:00
396a7c7d29
Upgrade pcre2grep for Windows courtesy of Jason Hood.
2016-12-31 17:40:45 +00:00
18dd19eae0
Make the test for over-complication while auto-possessifying bite sooner.
2016-12-31 13:35:31 +00:00
25dbe146bd
Very minor tidy to pcre2grep, plus fix typos in comments.
2016-12-29 16:29:05 +00:00
62659dd2f3
Add callout_error to pcre2test and stop the fuzzer after 100 callouts.
2016-12-28 15:05:48 +00:00
f676362977
Fix issue with \Q\E after a callout before an assertion condition.
2016-12-28 12:26:12 +00:00
fdf7946ee0
Fail hyphen after POSIX character class.
2016-12-27 11:50:28 +00:00
8933d999d8
Fix class bug when UCP but not UTF was set and all wide characters need to be
...
included.
2016-12-26 17:11:18 +00:00
a7a25ed91d
Fix bug when a character > 0xffff appears in a lookbehind within a lookbehind.
2016-12-24 16:25:11 +00:00
6c48775955
Fix mis-parsing of a conditional group with callout but a question mark where
...
the assertion should start.
2016-12-23 18:34:10 +00:00
d15aab4d17
More refactoring: keep track of empty branches during compiling, replacing a
...
post-compile scan.
2016-12-23 17:09:37 +00:00
1f87b60f01
Make the recursion limit apply to DFA matching.
2016-12-23 11:04:51 +00:00
3df9674c4e
Fix name table sort buffer overflow.
2016-12-21 17:09:11 +00:00
a984029d80
Fix incorrect internal error for very complicated back reference handling.
2016-12-20 16:47:41 +00:00
f77339a3ca
Fix \Q\E quantification bug.
2016-12-11 16:42:29 +00:00
a98121a212
Fix caseless minimizing back reference bug when heap in use for recursion.
2016-12-10 14:59:24 +00:00
7914fa82a9
Fix OOB error in substitute with start offset longer than length.
2016-12-09 18:19:38 +00:00
bcad1aa4f6
Fix NULL defer in extended substition for \p, \P, or \X.
2016-12-09 16:57:51 +00:00
156a5c4e5f
Fix crash in pcre2test when displaying a wide character with a locale set.
2016-12-08 18:56:24 +00:00
0e04c156a4
Fix buffer overflow in partial match test for CRLF in empty buffer.
2016-12-08 17:55:26 +00:00
14f6b9fb03
Fix \Q...\E bug in (*VERB) name when PCRE2_ALT_VERBNAMES and PCRE2_AUTO_CALLOUT
...
were both specified.
2016-11-27 16:14:33 +00:00
7390ce13f6
Quantifiers following (*VERB)s were not being diagnosed.
2016-11-25 10:37:23 +00:00
4c69f50e69
Fix bad behaviour for subroutine call in lookbehind when the called subroutine
...
contained an option setting such as (?s) and PCRE2_ANCHORED was set.
2016-11-23 17:17:57 +00:00
2aec84e37e
Add pcre2_code_copy_with_tables().
2016-11-22 15:37:02 +00:00
43e541adda
Update test for previous pcre2test update (overlooked).
2016-11-22 12:31:03 +00:00
e0cccdd028
Fix overrun bug caused by conditional with assertion using too much memory.
2016-11-18 18:59:37 +00:00
21c084125c
Fix global overflow bug for get/copy names in pcre2test.
2016-11-10 17:08:27 +00:00
02e8b83bed
Test update.
2016-11-04 16:40:08 +00:00
e533e0f774
Fix overrun for unterminated number after \g'
2016-11-04 11:05:21 +00:00
4fd8feaa50
Fix auto-anchor bug when .* is inside an assertion.
2016-11-01 15:58:28 +00:00
12a6d697fe
Fix read beyond unterminated quantifier at end of pattern.
2016-11-01 12:12:45 +00:00
0ea3274a53
Fix pattern overrun in utf extended mode for a # comment that hit the end.
2016-10-31 17:46:56 +00:00
24ab24fde0
Fix bad memory calculation when the first branch of a lookbehind is of zero
...
length.
2016-10-28 16:09:08 +00:00
8eae402315
Fix bad lookup in global table for wide characters in extended mode and in
...
*VERB names.
2016-10-27 17:42:14 +00:00
56084cc922
Fix *MARK length check in UTF mode (it was checking characters, not code
...
units).
2016-10-26 16:59:22 +00:00
2821076981
Diagnose an overall recursion (?0) inside a lookbehind as an error.
2016-10-23 17:05:09 +00:00
d117300a1d
The "offset" modifier in pcre2test was not being ignored (as documented) for
...
POSIX.
2016-10-23 16:18:15 +00:00
a22c5e4204
Fix optimization bugs when pattern starts with lookahead.
2016-10-18 11:22:40 +00:00
1828179ef9
Add -t to pcre2grep.
2016-10-16 16:48:14 +00:00
bc3e331efd
Add test for bug already fixed by the refactoring.
2016-10-13 16:08:08 +00:00
bf6f0bb335
Implement buffer expansion in pcre2grep.
2016-10-11 16:40:09 +00:00
b451e9f3b5
Fix new test in testinput5 when LF is not a default newline.
2016-10-07 15:50:39 +00:00
1d28e047f3
Fix callout display bug in pcre2test.
2016-10-05 16:53:34 +00:00
99264dfc23
Major refactoring of pcre2_compile.c; see ChangeLog and HACKING.
2016-10-02 16:01:01 +00:00
dda1e79060
Fix bug that caused chars > 255 not to be matched by classes like [\W\pL] when
...
PCRE2_UCP was not set.
2016-08-03 17:22:59 +00:00
69c9d81e43
Update pcre2test with the /utf8_input option, for generating wide characters in
...
non-UTF 16-bit and 32-bit modes.
2016-08-03 09:01:02 +00:00
22c4999971
Fix new tests when newline is not LF.
2016-07-06 17:39:15 +00:00
6a5acedf08
Ignore "allcaptures" after DFA matching.
2016-07-06 15:02:24 +00:00
9b741ad59d
Detect overflow in pcre2test pattern and subject repetition counts.
2016-07-06 08:42:50 +00:00
37e02cfb21
Additional test for recent JIT bugfix.
2016-07-02 15:52:30 +00:00
149456dce0
Support \C in lookbehinds and DFA matching in UTF-32 mode.
2016-06-20 18:14:51 +00:00
b002f44061
Fix bad interaction between -o and -M in pcre2grep.
2016-06-17 17:37:26 +00:00
0a29ecbe02
Return an error code when pcre2_get_error_message() does not recognize an error
...
code, and add a pcre2test facility for testing this.
2016-06-17 11:30:27 +00:00
d243224a60
Implement PCRE2_NO_JIT, update HTML docs as well.
2016-06-05 16:05:34 +00:00
784b3d2409
Update valgrind parameters in RunGrepTest and arrange for the suppressions file
...
to be used when JIT is supported.
2016-05-31 11:36:10 +00:00
c332eaf4f2
Add callout support to pcre2grep
2016-04-01 15:52:08 +00:00
ddcedf0338
pcre2grep: fix \r\r\n problem for Windows, and give buffer size in error
...
message.
2016-04-01 09:15:38 +00:00
96926349bc
Implemented pcre2_code_copy().
2016-02-26 18:26:17 +00:00
94e07de498
Detect missing closing parentheses during the pre-pass.
2016-02-13 15:30:29 +00:00
6bb132265b
Fix workspace overflow for deep nested parentheses with (*ACCEPT).
2016-02-10 18:24:02 +00:00
78aff8c80f
Fix pcre2test loop when a callout is in an initial lookbehind.
2016-02-06 16:40:59 +00:00
9f75a0f92a
Detect unmatched closing parentheses in the pre-scan to avoid giving incorrect
...
error messages.
2016-02-02 17:22:55 +00:00
6c1c817438
Don't set PCRE2_NO_AUTO_CAPTURE when REG_NOSUB is passed to regcomp().
2016-01-31 19:14:15 +00:00
f345e7dd9a
Update valgrind parameters.
2016-01-30 15:19:48 +00:00
8febd27344
Two pcre2test extensions: quoted literal substrings in hex patterns and
...
detection of unsupported binary zeros in file input.
2016-01-29 18:16:59 +00:00
fd008957d5
Patches to fix tests under Windows.
2016-01-29 15:01:17 +00:00
858ef4e2f9
Remove unwanted trailing space in test data.
2016-01-07 16:08:44 +00:00
57c44eec15
Fix printing of *MARK names containing binary zeroes in pcre2test.
2015-12-16 18:44:24 +00:00
255974ed28
Some tests were in the wrong files.
2015-12-15 18:21:49 +00:00
35e0f55783
Implement PCRE2_SUBSTITUTE_{OVERFLOW_LENGTH,UNKNOWN_UNSET}.
2015-12-12 18:45:40 +00:00
b34dbecb75
Harden pcre2test against ridiculously large values in modifiers and command
...
line arguments.
2015-12-05 18:17:41 +00:00
2f684a60ed
Implement PCRE2_SUBSTITUTE_UNSET_EMPTY.
2015-12-04 18:39:08 +00:00
38caadff03
Fix typo introduced by ChangeLog 107.
2015-12-04 14:34:35 +00:00
a7c9027ae6
Fix \) in (*verb) "name" bug.
2015-12-03 18:36:36 +00:00
1f9b2a2e4b
Fix /x bug when pattern starts with whitespace followed by (?-x).
2015-12-03 16:58:31 +00:00
d71b70cdf7
Fix issues with NULL characters in patterns.
2015-12-02 17:39:26 +00:00
7b1d9549c6
Fix extended *verb name ignored terminating whitespace bug.
2015-12-01 17:41:24 +00:00
12fc152074
Fix empty \Q\E between an item and a qualifier in auto-callout mode.
2015-11-30 17:31:16 +00:00
de6603d294
Fix bad behaviour for isolated \E before qualifier with auto-callout.
2015-11-27 17:34:36 +00:00
65b6fd366e
Updated tests for previous patch.
2015-11-27 17:14:51 +00:00
aec5c96cf5
Fix bad offset value in invalid UTF pattern error.
2015-11-27 15:58:44 +00:00
2eb24e2dac
Fix auto-callout with (?# comment bug.
2015-11-25 18:46:35 +00:00
c7e9887a65
Make startoffset a synonym of offset in pcre2test.
2015-11-21 16:10:24 +00:00
11e0001b14
Fix wide character problem with negated POSIX ascii and xdigit class items.
2015-11-20 16:55:36 +00:00
c4b8531a8f
Fix [:punct:] bug in UCP mode (matching chars in the range 128-255)
2015-11-17 17:59:35 +00:00
6650a2fd9a
Fix single-character POSIX class bug in UCP mode.
2015-11-17 17:13:43 +00:00
c0d0f2f65e
Fix two offset_limit bug in JIT.
2015-11-16 08:30:48 +00:00
5ced14bf24
Implement PCRE2_INFO_HASBACKSLASHC.
2015-11-14 17:28:19 +00:00
7a233130ad
Document JIT compile size limit and give more info in pcre2test.
2015-11-14 16:48:32 +00:00
860b6f228a
Run test 8 (sizes and offsets and mode-specific things) for link size 3 and 4
...
as well as for link size 2, with different output files in each case.
2015-11-14 13:22:34 +00:00
5dce5b3727
Add a new test.
2015-11-13 17:16:28 +00:00
299e587f9b
Don't split CRLF in pcre2_substitute() when it's a valid newline sequence.
2015-11-13 16:52:26 +00:00
7bf5d9efd0
Small optimizations in pcre2_study.c
2015-11-11 09:42:26 +00:00
e7727c36be
Don't use group caching when (?| is involved; instead use a counter to cap too
...
much computation.
2015-11-10 14:33:28 +00:00
a710d3b37b
Cap minimum length at 65535 and check for integer overflow.
2015-11-09 18:45:15 +00:00
8dcd23238a
Adjust tests for workspace overflow and relevant comments in pcre2_compile.c
2015-11-08 14:41:34 +00:00
89b1ae1c98
Use caching to improve could_be_empty() and find_fixed_length() compile times,
...
especially when recursion/subroutine calls are present.
2015-11-08 14:20:09 +00:00
2909e2411c
Fix (*NO_AUTO_POSSESS)
2015-11-05 18:03:16 +00:00
b7ee0684e3
Implement pcre2_set_max_pattern_length()
2015-11-05 17:33:39 +00:00
37e9ea2331
Fix buglet in recent name length patch.
2015-11-03 20:09:33 +00:00
b02bb996af
Check subpattern name lengths dynamically.
2015-11-03 20:04:23 +00:00
4ad83f7103
Dynamic check of (*MARK) etc name length to avoid the possibility of overflow.
2015-11-03 19:14:31 +00:00
2caf22dc61
Forbid \K patterns that end before they start in pcre2_substitute().
2015-11-03 17:38:00 +00:00
75181cca2e
Give error for overlong lookbehind assertion.
2015-11-03 10:39:27 +00:00
7d7a92edef
Bad max lookbehind length was calculated when a back reference contained a
...
recursion.
2015-11-01 17:31:48 +00:00
f72b753f73
Fix VERSION condition bug.
2015-11-01 16:28:13 +00:00
284d42fa7e
Avoid the need for an integer overflow check in pcre2_substitute() by adding a
...
check for a number greater than the largest capturing group.
2015-10-30 18:25:19 +00:00
efccea98f1
Fix pcre2_substitute(): set zero-terminated length before UTF validity check.
2015-10-30 17:30:03 +00:00
4b242c4c78
Fix regerror() small buffer issues.
2015-10-30 17:17:40 +00:00
4ce7652a0e
Add replication feature for patterns to pcre2test.
2015-10-30 15:20:07 +00:00
d1b4d99bc5
Improve error message for overly-complicated patterns.
2015-10-28 09:59:53 +00:00
9577d9e165
Fix overlong (*MARK) or (*THEN) names bug.
2015-10-28 09:25:31 +00:00
766fbc81d0
Fix PCRE2_NO_AUTO_CAPTURE bug.
2015-10-25 17:35:34 +00:00
94eda7669a
Fix UCP with [[:<]] and [[:>:]] bad compile bug.
2015-10-21 11:29:07 +00:00
3263d44b97
Implement --never-backslash-C
2015-10-17 13:50:56 +00:00
5923caf05e
Fix integer overflow for patterns whose minimum matching length is very, very
...
large.
2015-10-09 16:54:29 +00:00
093412143d
Fix compiler bug for classes such as [\W\p{Any}].
2015-10-09 16:06:53 +00:00
6ae5c36e83
Implement PCRE2_SUBSTITUTE_EXTENDED.
2015-10-07 17:32:48 +00:00
0c70fb3013
Add null_context to pcre2test for testing NULL contexts.
2015-09-23 11:49:03 +00:00
69d61e2fdb
Implement PCRE2_USE_OFFSET_LIMIT and pcre2_set_offset_limit(). No documentation
...
yet.
2015-09-22 11:24:28 +00:00
be7366f6f0
Tidied up a lot of comments in the test files.
2015-09-16 16:49:48 +00:00
297024d65b
Create a suppressions file for valgrind with JIT.
2015-09-11 16:56:47 +00:00
bb68c64c40
Implement #newline_default and adjust testdata and scripts to use it.
2015-09-08 17:01:17 +00:00
357dfb7964
Fix two issues in JIT.
2015-09-02 08:35:50 +00:00
cdf07ab585
Complete escape processing for PCRE2_ALT_VERBNAMES
2015-09-01 17:32:42 +00:00
d2e87a75af
Implemented PCRE2_ALT_VERBNAMES
2015-08-30 17:47:36 +00:00
fd08e11c1e
Fix pcre2test splitting modifier lists at white space.
2015-08-30 14:11:15 +00:00
170644eca3
Add ${*MARK} feature to pcre2_substitute().
2015-08-29 17:13:09 +00:00
67764372eb
Fix two assertion fails in JIT found by Karl Skomski.
2015-08-24 09:25:04 +00:00
ee41aa906f
Runtime UTF checks now take not of the starting offset.
2015-08-18 10:34:05 +00:00
d98800a946
A bug which was introduced by the single character repetition optimization was fixed.
2015-08-13 11:35:38 +00:00
d210396121
The JIT compiler should restore the control chain for empty possessive repeats.
2015-08-11 13:20:37 +00:00
3ec328fe1b
The JIT compiler should not check repeats after a {0,1} repeat byte code.
2015-08-11 05:30:10 +00:00
f86d8d35fa
Make (*LIMIT_MATCH=) give an error and correct offsets for limit syntax errors.
2015-08-10 16:34:17 +00:00
8e37b0b3c6
Fix missing non-existent reference test and bad error offsets for bad \g and \k
...
items.
2015-08-09 17:46:35 +00:00
e3d62b0ff8
Re-write recursion handling to fix another compiler bug and make it all less
...
error-prone.
2015-08-09 16:29:35 +00:00
c214c54ca0
The JIT compiler did not restore the control verb head in case of *THEN control verbs.
2015-08-08 05:45:17 +00:00
537f8b1a3d
Make -q override -l and -q in pcre2grep for compatibility with other greps.
2015-08-05 17:35:36 +00:00
4003ae5911
Fixed an issue when \p{Any} inside an xclass did not read the current character.
2015-08-05 09:04:01 +00:00
b89a448d8d
Add missing integer overflow checks.
2015-08-04 09:13:11 +00:00
76a2e62669
Maintenance on tests for Perl compatibility
2015-08-03 17:25:55 +00:00
3e12e15fe1
Fix incorrect minimum matching length when pattern contains (?| groups.
2015-08-03 13:18:49 +00:00
8269696f57
Fix issues with minimum length finding.
2015-08-01 09:11:28 +00:00
83c7c24b92
Fix bugs for patterns with conditional groups starting with assertions.
2015-07-22 14:34:31 +00:00
e4d630c4af
Fix (?R- not being correctly diagnosed.
2015-07-22 09:29:09 +00:00
0046526d0e
Fix incorrect compilation for repeated conditionals with only one branch.
2015-07-22 09:01:50 +00:00
688151205d
Fix not diagnosis of missing ) for callout with string argument.
2015-07-21 14:03:08 +00:00
01c4647b02
Fix "running for ever" bug for deeply nested [: sequences.
2015-07-21 13:42:14 +00:00
31241914a5
Fix another fuzzer bug.
2015-07-20 10:17:23 +00:00
f957e7bfa8
Fix infinite recursion in the JIT compiler when certain patterns when certain patterns are analysed.
2015-07-20 07:38:06 +00:00
21b15d96f2
Fix empty comment (?#) bug
2015-07-17 16:25:21 +00:00
7b4b853b81
Correct test for previous bugfix.
2015-07-17 15:18:17 +00:00
c1f8a7dfb3
Fix bad compilation of a possessively repeated conditional that could match an
...
empty string.
2015-07-17 15:11:45 +00:00
54f59d3c05
Ignore {1} quantifiers.
2015-07-17 13:41:09 +00:00
5cd731f314
Fix crash due to incorrect pre-pass handling of callouts with string arguments,
...
and tighten up the callout handling.
2015-07-16 17:47:20 +00:00
328c7920cc
Fix bad processing of (?x)(*MARK) within another group.
2015-07-15 09:34:04 +00:00
098562db96
Fix [[:>:]] when followed by parenthesis buffer overflow.
2015-07-15 09:08:12 +00:00
c5f27e1c18
JIT should return with error when the compiled pattern requires more stack space than the maximum.
2015-06-28 13:31:24 +00:00
bac822ba58
Fix EBCDIC 0x41 omission and give error for \p and \P in a class when not
...
supported.
2015-06-19 16:41:22 +00:00
c146059c22
Make \c operate like Perl in EBCDIC environments.
2015-06-13 16:10:14 +00:00
1d44822484
Fix empty string matching bug.
2015-06-09 17:41:45 +00:00
ff4553df08
Check for integer overflow in subroutine calls.
2015-06-08 17:51:54 +00:00
4c0414c813
Re-organize tests that didn't work with LINK_SIZE=3.
2015-06-03 17:18:06 +00:00
c9ac9e23ec
Refactor named group handling by adding a pre-pass that generates a list of
...
named groups with their numbers before the rest of the compiling code is run.
This has simplified the main compiling code and removed some sources of error.
2015-06-03 16:27:47 +00:00
666b3c88cf
Give error for empty subpattern name such as (?'').
2015-05-19 16:48:57 +00:00
78735a5336
Fix buffer overflow for lookbehind with mutually recursive groups.
2015-05-18 17:31:29 +00:00
ba8f1d8002
Maintenance on test after running ManyConfigTests.
2015-05-17 17:44:21 +00:00
6f94ece67d
Fix forward reference by name to duplicate group number bug.
2015-05-16 11:01:48 +00:00
56444e9978
Fix buffer overflow for recursive byname back reference when duplicate names
...
exist.
2015-05-15 17:09:01 +00:00
92739ef5d8
Fix repeated condition check by duplicated name bug.
2015-05-08 16:32:28 +00:00
e653c5f142
Re-do previous patch and fix new forward-reference-with-quantification bugs.
2015-05-06 16:51:25 +00:00
c420d11041
Fix bug in previous fix.
2015-05-05 18:46:51 +00:00
d5191510db
Fix recursive forward reference bug.
2015-05-03 16:46:56 +00:00
4d35b44b43
Fix compatibility issues for \8 and \9.
2015-04-23 17:28:39 +00:00
d1a13b8e2e
Implement PCRE2_ALT_CIRCUMFLEX.
2015-04-22 17:39:25 +00:00
fe2733263d
Fix replication bug in pcre2test.
2015-04-21 08:34:10 +00:00
e47a6ebe87
Implement PCRE2_NEVER_BACKSLASH_C.
2015-04-13 17:29:05 +00:00
3e1748390b
Fix very slow find_minlength when mutual recursion is present.
2015-04-13 09:13:39 +00:00
f123833bdb
Fix other cases where backtracking after \C could cause a crash.
2015-04-08 16:53:22 +00:00
aa8ee3ded5
Fix backtracking bug for \C\X* in UTF mode.
2015-04-08 16:33:58 +00:00
7105d249f6
Fix handling of global matching in pcre2test when a lookbehind assertion
...
contains \K.
2015-04-06 12:16:36 +00:00
cda8384a95
Fix pcre2grep loop provoked by \K in a lookbehind assertion in a non-anchored
...
pattern.
2015-04-03 11:14:19 +00:00
ade67323e7
Fix stack overflow instead of error diagnosis for mutual recursion within
...
lookbehind assertion.
2015-04-01 15:37:54 +00:00
6a2cb0d774
Fix diagnosis of negative relative references to non-existent groups.
2015-03-31 15:01:25 +00:00
2327a5860b
Fix bad compile for possessive quantifier on group containing a subroutine
...
reference.
2015-03-29 17:34:04 +00:00
63cab0dba9
Fix non-diagnosis of syntax error for (?(?< when not followed by ! or =.
2015-03-29 15:40:45 +00:00
99bb61e903
Fix comment between recursion and quantifier bug.
2015-03-29 11:15:32 +00:00
6b6e611b39
Fix mutual recursion inside other parentheses stack overflow bug.
2015-03-27 17:45:02 +00:00
cd85fae3c6
Fix bad memory computation for "(*UTF)[\S\V\H]" (a pattern with a negative
...
class (\S) and explicit wide characters).
2015-03-25 19:26:27 +00:00
Philip.Hazel
Zoltán Herczeg