Commit Graph

1053 Commits

Author SHA1 Message Date
Philip.Hazel a69267246f Implement callouts from pcre2_substitute(). 2018-09-18 16:31:30 +00:00
Zoltán Herczeg 80adf9d165 Fix subject buffer overread in JIT. Found by Yunho Kim. 2018-09-18 10:19:14 +00:00
Zoltán Herczeg aa2687737d Implement next subject character in JIT with invalid utf enabled. 2018-09-17 13:43:31 +00:00
Zoltán Herczeg a0188b9ee1 Fix more invalid UTF issues revealed by new tests in the JIT compiler. 2018-09-17 08:09:51 +00:00
Zoltán Herczeg 7035170527 Improve invalid UTF character reading in JIT. 2018-09-16 10:35:00 +00:00
Philip.Hazel 3fce7c75e9 Add "allvector" to pcre2test. 2018-09-15 17:10:39 +00:00
Zoltán Herczeg 142c667bbc Add option bits for read_char in JIT. 2018-09-15 12:35:56 +00:00
Philip.Hazel baa91ecc79 Avoid compiler warning 2018-09-14 15:15:51 +00:00
Zoltán Herczeg 205444a91e Generate code for caseless utf backreferences in JIT instead of using a callback. 2018-09-14 11:30:13 +00:00
Zoltán Herczeg 12c4a246b6 Start working on invalid utf subject support in JIT. 2018-09-12 19:06:29 +00:00
Philip.Hazel bf3c7c68ec Final file tidies for 10.32 2018-09-11 14:27:39 +00:00
Philip.Hazel ab30606b01 Fix small bug in pcre2grep (no effect other than a sanitizer warning). 2018-09-10 17:34:19 +00:00
Philip.Hazel 80c57b59f6 Minor code fix to avoid static analyzer complaint. 2018-09-06 15:59:11 +00:00
Philip.Hazel bfad956b34 Treat empty-string-matching repeated conditionals the same as ordinary ones
when checking for an anchored pattern.
2018-09-03 15:20:40 +00:00
Philip.Hazel 59c2175ed9 Fix anchoring bug in conditionals with only one branch. 2018-09-02 16:53:29 +00:00
Philip.Hazel 50f0de6015 Lock out \N{U+hhhh} in non-UTF (non-Unicode) modes. 2018-09-02 16:03:27 +00:00
Philip.Hazel 5d12e53399 Minor code fix to get rid of Coverity warning (I hope). 2018-08-21 11:27:35 +00:00
Philip.Hazel 1c6f2fc972 Tidy unnecessarily complicated macros in escapes table. 2018-08-19 16:54:41 +00:00
Philip.Hazel db00606a79 New default character tables. 2018-08-19 15:58:13 +00:00
Philip.Hazel 91715304cb Remove unused character flag ctype_meta, no longer used. 2018-08-19 15:44:06 +00:00
Philip.Hazel 6e6bb40a3d Fix bad auto-possessification of certain types of class. 2018-08-17 14:45:35 +00:00
Philip.Hazel 91a6a3a521 Zero pointers in serialized patterns, for consistency. 2018-08-15 18:03:29 +00:00
Philip.Hazel d2dbb07ce7 Final file tidies for 10.32-RC1. 2018-08-13 14:20:46 +00:00
Philip.Hazel 392974a0cb File tidies and documentation update for 10.32-RC1 Release Candidate. 2018-08-13 11:57:09 +00:00
Zoltán Herczeg 438446ebe7 JIT compiler update. 2018-08-13 09:21:18 +00:00
Philip.Hazel 1a8cc3dab6 Make bcopy() emulation of memmove() work properly. 2018-08-10 16:27:44 +00:00
Philip.Hazel 9332d4be69 Fix dynamic options changing bug. 2018-08-04 08:20:18 +00:00
Philip.Hazel b196143523 Make /x more Perl-compatible by recognizing all of Unicode's "Pattern White
Space" characters, not just the ASCII ones.
2018-08-03 09:38:36 +00:00
Philip.Hazel 6e245572b8 Add support for (?^) as now supported by Perl. 2018-07-28 16:23:24 +00:00
Philip.Hazel a9453f096f Give specific error for \F as for \L, \U etc. 2018-07-27 16:55:52 +00:00
Philip.Hazel e9aa3c0a21 Add support for \N{U+dd...}, for ASCII and Unicode modes only. 2018-07-27 16:30:40 +00:00
Philip.Hazel 7d97c226c7 Fix oversight in recent OP_COMMIT_ARG update. 2018-07-22 15:19:43 +00:00
Philip.Hazel 5ea9f6b0f1 Some places where the new opcode OP_COMMIT_ARG needs to be handled and which I
forgot.
2018-07-21 14:52:26 +00:00
Philip.Hazel 192b82cf6e Allow :NAME on (*ACCEPT), (*FAIL), and (*COMMIT) and fix bug with (*MARK)
followed by (*ACCEPT) in an assertion. More small updates to perltest.sh.
2018-07-21 14:34:51 +00:00
Philip.Hazel 666e94cd59 Fixed atomic group backtracking bug. 2018-07-16 15:24:32 +00:00
Philip.Hazel d01c822c6d Minor tweak (may give minor performance improvement) to JIT UCD handling. 2018-07-14 17:00:17 +00:00
Philip.Hazel 937617f343 Update to Unicode 11.0.0 2018-07-07 16:10:29 +00:00
Philip.Hazel 50aa69657e Fix bug in VERSION number reading. 2018-07-02 12:26:04 +00:00
Philip.Hazel b2294373d7 Ignore qualifiers on lookaheads within lookbehinds when checking for a fixed
length.
2018-07-02 11:23:45 +00:00
Philip.Hazel 1c79bdf36f Fix global search/replace in pcre2test and pcre2_substitute() when the pattern
matches an empty string, but never at the starting offset.
2018-07-02 10:54:03 +00:00
Philip.Hazel 89c2a02027 Fix bug when \K is used in a lookbehind in a substitute pattern. 2018-06-22 16:29:56 +00:00
Philip.Hazel fced6feb5b Remove src/pcre2.h because it can cause trouble when building in a different
directory. Why was it there anyway?
2018-06-22 14:50:43 +00:00
Philip.Hazel 9d87fcb727 Patches for portability. 2018-06-20 17:05:31 +00:00
Philip.Hazel 7aaced3475 Make stdint.h an optional inclusion, in case it's not present in some systems.
Use inttypes.h instead if it exists.
2018-06-19 17:41:01 +00:00
Philip.Hazel b4aaf222d7 Undefine WIN32 for pcre2grep under Cygwin. 2018-06-19 16:27:42 +00:00
Philip.Hazel e75410a5d8 More typos and changes to "Kibibytes" for "Kilobytes". 2018-06-18 14:03:33 +00:00
Philip.Hazel fabea723cf Typos in documentation and comments noted by Jason Hood. 2018-06-17 14:13:28 +00:00
Philip.Hazel 3fb01b0443 Ensure all match limit tests set a limit, don't rely on the default. 2018-04-29 15:07:44 +00:00
Philip.Hazel 75747ebb11 Re-factor pcre2_dfa_match() to use the heap instead of the stack for workspace
vectors when doing recursive function calls.
2018-04-27 16:48:35 +00:00
Philip.Hazel fb413521fc Minor code tidy. 2018-04-21 16:43:49 +00:00
Philip.Hazel f7187b38c7 Apply some of Daniel Richard G's Windows patches. 2018-04-19 16:52:57 +00:00
Zoltán Herczeg 7ccd0fa994 MIPS-JIT compiler fix: flags were not preserved for fast return. 2018-03-19 08:15:52 +00:00
Zoltán Herczeg 6f6d44305a JIT compiler update. 2018-03-13 12:05:48 +00:00
Philip.Hazel a7b2b6ff64 Set error offset zero for early errors in pcre2_pattern_convert(). 2018-03-04 15:13:37 +00:00
Philip.Hazel 26edb6cb43 Minor tweak to the m68k patch. 2018-02-28 09:03:12 +00:00
Philip.Hazel dbb53b3585 Add alignment patch for m68k. 2018-02-27 17:19:51 +00:00
Philip.Hazel ee7e093af0 A small fix to pcre2grep to avoid compiler warnings for -Wformat-overflow=2. 2018-02-25 12:12:48 +00:00
Philip.Hazel 04919e9d03 Add support to pcre2grep for binary zeros in -f files. 2018-02-24 17:09:19 +00:00
Philip.Hazel b26aa366ba Fix \C bug with repeated character classes in UTF-8 mode. 2018-02-19 17:26:33 +00:00
Philip.Hazel 553bf8a1dc Oops, forgot about "-C bsr" in previous patch. 2018-02-19 17:00:45 +00:00
Philip.Hazel af9bcb7f13 Fix pcre2test -C to correctly show what \R matches. 2018-02-19 16:55:47 +00:00
Philip.Hazel aff77100bb Fix the value passed back for POSIX unset groups when REG_STARTEND has a
non-zero starting offset, and make pcre2test show relevant POSIX unset groups.
2018-02-19 14:49:42 +00:00
Philip.Hazel 7eae1c5d17 Final file tidies for 10.31 2018-02-12 11:33:56 +00:00
Philip.Hazel 53a588431c Fix auto-possessification bug at the end of a capturing group that is called
recursively.
2018-01-31 17:53:56 +00:00
Philip.Hazel 7a5b962509 Increment dummy ovector size in internal structures to avoid spurious array
bound checker warnings. This fixes oss-fuzz 5415.
2018-01-16 16:50:40 +00:00
Philip.Hazel 958cd1484f Source tidies and version etc. updates for 10.31-RC1. 2018-01-13 16:53:02 +00:00
Philip.Hazel 9d197bfe76 Avoid pointer overflow for unset captures in pcre2_substring_list_get(), though
it could never have caused a problem.
2018-01-12 18:48:27 +00:00
Philip.Hazel a6237da13e Fix problem when compiling without Unicode support. 2018-01-12 17:55:47 +00:00
Zoltán Herczeg 940627c83a Fix a typo in JIT and add a test. 2018-01-10 09:28:03 +00:00
Zoltán Herczeg 1e0f88bba4 Update some register assignments and the JIT compiler. 2018-01-09 08:38:32 +00:00
Zoltán Herczeg 4a4389fa50 Support the new EXTUNI in JIT. 2018-01-06 08:48:11 +00:00
Zoltán Herczeg 11ed257eaa JIT compiler update. 2018-01-05 09:30:45 +00:00
Philip.Hazel 85f8ecba58 Tidy ACROSSCHAR macro to take same form as FORWARDCHAR and BACKCHAR. 2018-01-01 15:13:24 +00:00
Philip.Hazel 4048606896 Small tidy to start of match optimizations. 2018-01-01 15:05:27 +00:00
Philip.Hazel 807f37095d Previous FIRSTLINE patch was broken. Fix it. 2018-01-01 14:54:06 +00:00
Philip.Hazel 7a6e8a4454 Fix PCRE2_FIRSTLINE bug when a pattern match starts with the first code unit of
a newline sequence.
2018-01-01 14:12:35 +00:00
Philip.Hazel f36a3235bc Tidy up callout code in pcre2_dfa_match(). 2017-12-26 16:43:45 +00:00
Philip.Hazel 911d43cd1e Fix \K issues in pcre2grep. 2017-12-26 15:10:04 +00:00
Philip.Hazel a9f7c80fa3 Update pcre2demo to deal with various \K inside assertion anomalies. 2017-12-23 17:15:51 +00:00
Philip.Hazel 94d5f4a050 Add callout_flags to callout blocks, and set bits within it from pcre2_match()
interpretation.
2017-12-22 15:56:27 +00:00
Philip.Hazel 814cc96bc5 Save extra compile options with the compiled pattern, and add an info call to
retrieve them.
2017-12-16 17:49:26 +00:00
Philip.Hazel 5cbab74c97 Rejig how callout blocks are allocated in pcre2_match(). 2017-12-16 16:43:47 +00:00
Philip.Hazel 9e38537b87 A small code tidy for one error return. 2017-12-16 16:07:29 +00:00
Philip.Hazel 3458a2e2cd Fix infelicity in not finding a first character inside a non-assertive group
within a positive assertion.
2017-12-12 16:23:01 +00:00
Philip.Hazel 59d85d7b55 Fix incorrect first matching character when a backreference with zero minimum
repeat starts a pattern (possibly after assertions).
2017-12-12 15:01:51 +00:00
Philip.Hazel 1a81b738fe Change pcre2grep line number and count variables to unsigned long int. 2017-12-08 10:25:49 +00:00
Zoltán Herczeg 77513bfc04 Fix after JIT compiler update. 2017-11-30 08:15:28 +00:00
Zoltán Herczeg 28e73c60e3 JIT compiler update. 2017-11-29 13:30:31 +00:00
Zoltán Herczeg f93d278054 Fix pcre2_jit_match early check. 2017-11-23 07:54:39 +00:00
Philip.Hazel 2881730084 Very minor code tidy. 2017-11-16 17:44:50 +00:00
Philip.Hazel 2543ba81f7 Fix crash for --line-buffered with a .gz or .bz2 file in pcre2grep. 2017-11-13 17:12:55 +00:00
Philip.Hazel 76814d92c7 Fix multiple multiline matching issues in pcre2grep. 2017-11-13 16:52:39 +00:00
Philip.Hazel 1cc5351f6c Remove superflous variable. 2017-11-09 17:50:59 +00:00
Philip.Hazel 36366914f5 Fix oss-fuzz bugs 3852 and 3891 (same bug); mis-closing external captures by
*ACCEPT inside assertions.
2017-10-29 16:58:38 +00:00
Philip.Hazel 13fe9767cf Fix memory leak issue introduced in last bug fix in pcre2grep. 2017-10-22 16:17:44 +00:00
Philip.Hazel 3a55923da8 Fix pcre2grep recursive file name length issue. 2017-10-20 16:51:59 +00:00
Philip.Hazel cc2182261a Add -LM to pcre2test. 2017-10-17 16:26:20 +00:00
Philip.Hazel aa0c168332 Set PCRE2GREP_RC to the pcre2grep exit status when running under VMS. 2017-10-11 16:49:10 +00:00
Philip.Hazel 6f4ee08469 Add some casts to avoid compiler warnings. 2017-09-26 17:01:23 +00:00
Philip.Hazel 8bbf2b1924 Fixed a small memory leak in pcre2test (convert contexts). 2017-09-18 15:51:44 +00:00
Philip.Hazel 897d547046 Define names for compiler error codes and use them in pcre2_convert.c 2017-09-17 16:56:41 +00:00
Philip.Hazel 5e3a1da503 Remove \C tests from JIT regression when NEVER_BACKSLASH_C is defined. 2017-09-16 11:46:08 +00:00
Philip.Hazel 4ac74a013b Add PCRE2_CONFIG_COMPILED_WIDTHS and PCRE2_CONFIG_NEVER_BACKSLASH_C. 2017-09-16 11:39:38 +00:00
Philip.Hazel d8692f30b7 Make pcre2_internal.h idempotent. 2017-09-13 09:07:00 +00:00
Philip.Hazel 42f547bf4d Replace multiple copies of extended grapheme sequence code with a single
subroutine.
2017-09-12 16:28:42 +00:00
Philip.Hazel badfbcdd12 Documentation update. 2017-09-12 11:41:31 +00:00
Philip.Hazel 3cd616c3a9 Fix typo in VMS code in pcre2test. 2017-08-28 14:59:04 +00:00
Philip.Hazel 94cb52befb Final file tidies for 10.30 release. 2017-08-15 10:58:32 +00:00
Philip.Hazel 18d7627293 Fix "maybe uninitialized" warning. 2017-08-12 16:22:52 +00:00
Zoltán Herczeg 6a42f68b34 Minor JIT compiler update. 2017-08-01 08:26:01 +00:00
Philip.Hazel 4d82a61d47 Hyphen at the end of a character class is always literal. Give error for false
range after \d etc.
2017-07-29 15:54:04 +00:00
Philip.Hazel 33a4edf837 Modify #ifdefs for Cygwin. 2017-07-27 16:17:19 +00:00
Philip.Hazel 0ba5272960 Fix bug in /xx implementation. 2017-07-25 15:27:30 +00:00
Zoltán Herczeg 464d03799f JIT compiler update. 2017-07-24 04:05:38 +00:00
Philip.Hazel 89ebfca28d Put back pcre2_set_recursion_limit() as a real function, synonym for
pcre2_set_depth_limit() in order to preserve the ABI.
2017-07-21 08:53:02 +00:00
Philip.Hazel d4f82ba62a Use %z format to avoid compiler warning. 2017-07-21 08:41:21 +00:00
Philip.Hazel c747990046 Rename the FWRITE macro in pcre2grep to avoid clash in cygwin. 2017-07-21 08:22:03 +00:00
Philip.Hazel 810d9b6da5 Code tidies for 10.30-RC1 release candidate. 2017-07-19 16:04:15 +00:00
Philip.Hazel a23715d7b1 Document experimental pattern conversion functions and remove unimplemented
features.
2017-07-12 16:34:49 +00:00
Philip.Hazel 4f7a608d56 Update grapheme breaking rules for Unicode 10.0.0. 2017-07-05 08:55:49 +00:00
Philip.Hazel 41bb787fb3 Update to Unicode 10.0.0 and add callout_no_where to pcre2test to aid testing. 2017-07-02 16:32:01 +00:00
Philip.Hazel b7d5cee61f Allow anchored patterns to use "first code unit" optimization. 2017-06-30 16:00:33 +00:00
Philip.Hazel cc089cf971 Increase limit for "must be present" code units for 8-bit searches, which use
memchr().
2017-06-26 16:25:16 +00:00
Philip.Hazel 76a57bd839 Convert pcre2grep to use new pcre2_compile() options, thereby fixing two minor
(?) bugs.
2017-06-17 11:32:06 +00:00
Philip.Hazel 69eab9cfe7 Minor code tidy. 2017-06-16 18:04:41 +00:00
Philip.Hazel a083420cac Implement PCRE2_EXTRA_MATCH_LINE and PCRE2_EXTRA_MATCH_WORD for the benefit
of pcre2grep.
2017-06-16 17:51:13 +00:00
Zoltán Herczeg 6679349203 Fix a match offset check in JIT. 2017-06-16 10:27:02 +00:00
Philip.Hazel c4fac10bad Implement PCRE2_LITERAL and REG_NOSPEC. 2017-06-15 16:41:44 +00:00
Zoltán Herczeg 95724543c3 JIT compiler update. 2017-06-15 11:36:18 +00:00
Zoltán Herczeg 9af8fe2e87 Add makefile support for SELinux allocator in JIT. 2017-06-15 06:20:30 +00:00
Philip.Hazel 6e30ed1b40 Add subject_literal and allow jitstack in pcre2test pattern modifiers, and add
another big pattern test.
2017-06-12 17:48:03 +00:00
Zoltán Herczeg 1381c3fe28 Improve char range match in JIT. 2017-06-08 12:07:05 +00:00
Philip.Hazel bcba497c0b Implement REG_PEND (GNU extension) for the POSIX wrapper. 2017-06-05 18:25:47 +00:00
Philip.Hazel f850015168 Add suitable "fall through" comments for latest gcc warnings. 2017-06-03 17:50:03 +00:00
Philip.Hazel e4c86e2ced Fix matching offsets from regexec() in the POSIX wrapper when called with
REG_STARTEND and a starting offset greater than zero.
2017-06-03 16:42:58 +00:00
Philip.Hazel e3a0f22349 Implement PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL. 2017-06-01 18:10:15 +00:00
Philip.Hazel c0902e176f Make pcre2_dfa_match() take notice of the match limit, to catch patterns that
use too much resource. This should fix oss-fuzz 1761.
2017-05-30 10:42:57 +00:00
Zoltán Herczeg a16919ce6f Improve character range optimization in JIT. 2017-05-30 09:42:28 +00:00
Philip.Hazel cfe289c60b Fix pcre2test buffer size issue for convert calls in non-8-bit modes. 2017-05-29 16:21:11 +00:00
Zoltán Herczeg 3f831482ab Fix alnum parsing in glob conversion. 2017-05-28 04:05:58 +00:00
Zoltán Herczeg b317bdc184 JIT SSE2 optimization improvement. 2017-05-28 03:53:09 +00:00
Philip.Hazel c34544b11f Update POSIX basic regex conversion code. 2017-05-27 17:08:28 +00:00
Philip.Hazel 62e202f757 Discard partial match when endanchored is set in the fuzzer, as it just gives
an immediate bad options return.
2017-05-27 16:06:56 +00:00
Philip.Hazel 3f96e07e6b Fix lookbehind with zero-length branch in DFA matching. Fixes oss-fuzz 1959. 2017-05-27 15:49:29 +00:00
Philip.Hazel 3d80fa4fc2 Implement PCRE2_NEWLINE_NUL. 2017-05-26 17:14:36 +00:00
Philip.Hazel 772d857f69 More conversion development. 2017-05-25 16:34:22 +00:00
Zoltán Herczeg bf6f53b089 Support invalid character classes in conversion. 2017-05-25 13:19:42 +00:00
Zoltán Herczeg 0b2052f714 Support the general case of starstar in glob conversion. 2017-05-24 15:22:03 +00:00
Zoltán Herczeg 9826db624e Rework character range parsing in glob conversion. 2017-05-24 10:14:43 +00:00
Philip.Hazel fef4de56a1 Fix potential NULL dereference in new code for surrogate escapes, discovered by
Coverity Scan.
2017-05-23 16:47:29 +00:00
Philip.Hazel 231a800557 More experimental convert code evolution. 2017-05-23 16:08:48 +00:00
Zoltán Herczeg 51df11a591 Use atomic blocks after starstar during conversion. 2017-05-23 15:17:44 +00:00
Philip.Hazel 0e622185c2 Screw down the depth limit for DFA matching in the fuzzer function. Fixes
OSS-fuzz 1761 (I hope).
2017-05-22 18:06:55 +00:00
Zoltán Herczeg e36e582af0 Implement flags in the glob convert functions. 2017-05-22 10:23:36 +00:00
Philip.Hazel 72f0c742dd Add a call to pcre2_dfa_match() to the fuzzer driver. 2017-05-20 14:28:11 +00:00
Philip.Hazel 62564c08fd pcre2test can now handle lists of conversion options. 2017-05-20 11:40:12 +00:00
Zoltán Herczeg 095924ee65 Implement starstar in glob conversion. 2017-05-19 03:55:39 +00:00
Philip.Hazel 485b269f9c Conversion code update (revised option definitions). 2017-05-18 14:42:19 +00:00
Zoltán Herczeg ac12e979b3 Support character classes in glob conversion. 2017-05-18 06:46:22 +00:00
Philip.Hazel dfc9712bcd Add additional compile options and PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES. 2017-05-17 17:55:11 +00:00
Zoltán Herczeg d9c33d0708 Reworking bash glob conversion. 2017-05-17 13:44:24 +00:00
Philip.Hazel 223104001c Get rid of literal strings in conversion functions. 2017-05-16 12:42:17 +00:00
Zoltán Herczeg dcbba52985 Initial version of bash glob conversion. 2017-05-16 07:14:11 +00:00
Philip.Hazel f8256af661 Experimental conversion: fix POSIX BRE starting ^*. 2017-05-14 12:04:13 +00:00
Philip.Hazel 7927ac0ee3 Updates to experimental conversion code. 2017-05-13 17:46:27 +00:00
Philip.Hazel 67995268cf More refactoring for ovector addressing. 2017-05-11 16:49:58 +00:00
Philip.Hazel cd4a219626 A better fix for oss-fuzz 1465. 2017-05-11 16:28:54 +00:00
Philip.Hazel ab1e3c9309 Refactor to avoid sanitize warnings when accessing the variable size ovector in
the backtracking frame. Fixes oss-fuzz issue 1465. Also make -bigstack in 
RunTest allocate a 64Mb stack for use with clang sanitizing.
2017-05-10 18:21:03 +00:00
Philip.Hazel 1909bf0691 Refactor to avoid picky compiler warnings. Fixes oss-fuzz issue 1454. 2017-05-10 16:44:33 +00:00
Philip.Hazel 3813b518ce Correct fix for experimental POSIX pattern translation. 2017-05-10 15:42:13 +00:00
Philip.Hazel 7ca875b1db Fix bug in experimental conversion code. 2017-05-09 10:44:50 +00:00
Zoltán Herczeg 660811e899 Improve first bitset search in JIT. 2017-05-09 08:42:46 +00:00
Philip.Hazel 764e23e670 Fix typos in macros for experimental convert functions. 2017-05-08 15:07:34 +00:00
Zoltán Herczeg 4655d89ce5 Continue reworking first character search in JIT. 2017-05-08 13:32:59 +00:00
Zoltán Herczeg 3c542db175 Improve first character searches. 2017-05-08 03:35:40 +00:00
Philip.Hazel 587011e326 Fix memory leak in pcre2test (found by Coverity Scan). 2017-05-07 15:55:41 +00:00
Zoltán Herczeg ba1c759c90 JIT: Allow early quit in fast forward search. 2017-05-07 14:28:37 +00:00
Zoltán Herczeg a61bd956eb JIT compiler update. 2017-05-07 07:10:16 +00:00
Philip.Hazel 382b64b01c Fix crash when more than one kind of "push" was set in pcre2test. 2017-05-06 16:56:07 +00:00
Philip.Hazel 6e943e5f47 Experimental pattern conversion code (no public documentation yet). 2017-05-06 16:19:39 +00:00
Zoltán Herczeg aa224e4ac9 JIT compielr update. 2017-04-26 08:34:09 +00:00
Philip.Hazel b3a6fd38b8 Tidy comments about UTF case-independence. 2017-04-20 16:51:36 +00:00
Philip.Hazel 369d82e03a Implement Perl's /n option, which is the same as PCRE2_NO_AUTO_CAPTURE. 2017-04-18 16:21:50 +00:00
Zoltán Herczeg 584f35c059 Improve prefix character scanning in JIT. 2017-04-18 14:37:01 +00:00
Philip.Hazel 3dca43fdff Implement PCRE2_EXTENDED_MORE and friends. 2017-04-18 12:32:52 +00:00
Zoltán Herczeg b9f95b5f63 Refactor SSE2 accelerated first character search in JIT. 2017-04-18 05:49:39 +00:00
Zoltán Herczeg 486a66681f SSE2 accelerated first character pair search in JIT. 2017-04-17 14:54:04 +00:00
Philip.Hazel 41d1c6d6ce Tidies and minor bug fix resulting from Coverity Scan issues. 2017-04-16 16:49:11 +00:00
Philip.Hazel 202cb2cf41 Improve testing coverage with updates to pcre2test and test files; also get rid
of redundant code in pcre2_match().
2017-04-16 13:03:30 +00:00
Philip.Hazel 106028089e Ensure ovector[0,1] are both PCRE2_UNSET during callouts. 2017-04-14 12:39:41 +00:00
Philip.Hazel e8cdae3c5b Correct an incorrect cast. 2017-04-14 12:14:41 +00:00
Philip.Hazel b35a98c403 Remove duplication typo. 2017-04-14 12:08:54 +00:00
Philip.Hazel b38c2aaebd Adjust two match frame variables to save space in 8-bit mode. 2017-04-14 12:02:40 +00:00
Philip.Hazel 346447005a Remove redundant line of code (a typo really). 2017-04-14 11:42:02 +00:00
Zoltán Herczeg 1379a48d94 Support end anchored in JIT. 2017-04-13 11:52:36 +00:00
Philip.Hazel bd511d381f Fix valgrind warnings for unset padding at the end of the pcre2_real_code
structure.
2017-04-12 13:48:11 +00:00
Philip.Hazel b3154eb907 Tidy some confusing code. 2017-04-12 13:26:11 +00:00
Philip.Hazel 3b8672bf49 Fix ACCEPT issue with ENDANCHORED. 2017-04-11 14:53:26 +00:00
Philip.Hazel 14989bd454 Add explicit heap limiting options to pcre2_match(), with associated features
for listing, configuring, etc.
2017-04-11 11:47:25 +00:00
Philip.Hazel f0126dc7ae Add -jitverify to pcre2test. 2017-04-08 15:35:27 +00:00
Philip.Hazel 7afe4e4110 Documentation tidies and code tidies for Windows. 2017-04-08 15:21:39 +00:00
Zoltán Herczeg 13c0ea59b2 Enabling valgrind disables SSE2 in JIT. 2017-04-07 11:06:56 +00:00
Philip.Hazel 09f87cbfce Extend auto-anchoring to ignore "never-obeyed" groups at the start. 2017-04-07 08:46:29 +00:00
Philip.Hazel 88abc14e42 Jason Hood's pcre2grep patches (modified a bit) to add --output to pcre2grep,
and also an inbuilt callout echo.
2017-04-06 18:02:40 +00:00
Philip.Hazel 2b36600b2b Fix typo and remove extraneous blank lines. 2017-04-05 15:40:06 +00:00
Philip.Hazel a3275d1e0f Implement PCRE2_ENDANCHORED. 2017-04-04 17:09:33 +00:00
Philip.Hazel 0757041114 Fix non-passing of mark values out of recursions. 2017-04-04 11:37:21 +00:00
Philip.Hazel fcd0c39b26 Fix capturing in conditional negative assertions ended with (*ACCEPT). 2017-04-03 18:02:07 +00:00
Zoltán Herczeg c37995d2bd JIT compiler update. 2017-04-03 13:30:17 +00:00
Philip.Hazel a073581116 Fix buglet in recent update for showing malloc/free at match time. 2017-03-31 15:51:41 +00:00
Zoltán Herczeg bdac9df4cf Fix character type detection when 32-bit and UCP are enabled but UTF is not in JIT. 2017-03-31 05:40:37 +00:00
Zoltán Herczeg a5da70b28c Support (*ACCEPT) inside recurse in JIT. 2017-03-30 13:25:20 +00:00
Zoltán Herczeg 380738d981 Improve callouts and revertframes in JIT. 2017-03-29 08:12:32 +00:00
Zoltán Herczeg 447d1b3083 Minor JIT compiler update. 2017-03-28 09:56:52 +00:00
Zoltán Herczeg a31b57c9da Reverse the jit-stack to top-down. 2017-03-27 13:35:08 +00:00
Philip.Hazel a695d6425d Better error handling in pcre2test. 2017-03-26 17:51:31 +00:00
Philip.Hazel 08543d4a74 Improvements to the \=memory modifier in pcre2test. 2017-03-25 17:08:20 +00:00
Philip.Hazel 649ae8f6d5 Fix bug introduced at 10.21: use memory allocator from the pattern if no
context is supplied to pcre2_match().
2017-03-25 15:19:49 +00:00
Zoltán Herczeg 25cec7a966 Support full ovector data for JIT callouts. 2017-03-25 06:33:41 +00:00
Philip.Hazel 5c1984d94a Make \=find_limits apply to DFA matching, to find the minimum depth limit. 2017-03-24 18:20:34 +00:00
Philip.Hazel 45ddeb70cf Fix issues with (*VERB)s inside recursive subroutine calls. 2017-03-23 17:54:58 +00:00
Philip.Hazel d5ca2dee9d Fix misbehaving DFA match for possessively repeated character class (Bugzilla
2086).
2017-03-22 15:12:06 +00:00
Philip.Hazel de307ea031 Previous patch was not quite complete. 2017-03-21 18:36:13 +00:00
Philip.Hazel cde5f12cee Fix 32-bit error buffer size bug in pcre2test (Bugzilla 2079). 2017-03-21 17:46:21 +00:00
Philip.Hazel a122f42abf Fix NULL deference if pcre2_callout_enumerate() is called with a NULL pattern
when Unicode support is available (Bugzilla 2076).
2017-03-21 16:31:54 +00:00
Philip.Hazel e105a0f83f Fix memory leak when deserializing invalid data (Bugzilla 2075). 2017-03-21 16:25:01 +00:00
Philip.Hazel 8e4eb8dbc8 Close serialization file in pcre2test after any error. 2017-03-21 16:18:54 +00:00
Philip.Hazel ca75518017 Fix pcre2grep Windows problem for new output-colouring code when not under
mingw (Bugzilla 2067).
2017-03-21 16:09:57 +00:00
Philip.Hazel 31455a7665 Minor pcre2test code fix for framesize modifier and documentation update. 2017-03-21 12:22:58 +00:00
Zoltán Herczeg 131209e22d Capture control verbs inside the conditional assertion of a conditional block. 2017-03-20 10:41:13 +00:00
Philip.Hazel d6faa55b91 Fix pcre2test bug for global match with zero terminated subject. 2017-03-19 18:34:27 +00:00
Zoltán Herczeg b55ef12cc1 Reworked the recursive pattern matching in the JIT compiler to follow the interpreter changes. 2017-03-19 03:35:27 +00:00
Philip.Hazel b6b716b540 Update generic files. 2017-03-17 16:55:47 +00:00
Philip.Hazel ae37c6e886 Add "framesize" to pcre2test to display pcre2_match() frame size, using the new
PCRE2_INFO_FRAMESIZE option for pcre2_pattern_info().
2017-03-16 17:55:55 +00:00
Philip.Hazel d7da2dcb37 Fix crash for forward reference in lookbehind with PCRE2_ANCHORED. Fixes
oss-fuzz issue 865.
2017-03-16 17:17:47 +00:00
Philip.Hazel be5dd257d2 Add cast to avoid compiler warning. 2017-03-14 16:46:08 +00:00
Philip.Hazel 88db1be123 Change "limit recursion" to "limit depth" in code and build systems because the
old name, which is retained as a synonym for the moment, is no longer 
appropriate.
2017-03-12 13:47:01 +00:00
Philip.Hazel 04da0725f3 Remove obsolete OP_ONCE_NC internal opcode. 2017-03-11 17:59:23 +00:00
Philip.Hazel 02779c9a67 Remove remaining (now unused) code under HEAP_MATCH_RECURSE, and make the build
systems give a warning of the obsolescence of --disable-stack-for-recursion and 
the equivalent CMake setting.
2017-03-11 17:39:02 +00:00
Philip.Hazel 26e92bc554 Fix crash for pattern with very many captures. Fixes oss-fuzz issue 783. 2017-03-10 16:34:54 +00:00
Philip.Hazel 143c136ac6 Fix oss-fuzz issue 781: read from bad memory when fewer capturing parens than
space in the external ovector.
2017-03-10 15:53:49 +00:00
Philip.Hazel 20804215a8 Code for new interpreter (build system and documentation still to be done). 2017-03-09 16:23:28 +00:00
Philip.Hazel 53bf29d689 Fix 32-bit non-UTF property test crash. 2017-02-24 18:25:32 +00:00
Philip.Hazel f6f7c9148f Check malloc returns in pcre2test. 2017-02-23 17:05:43 +00:00
Zoltán Herczeg 9669cd1218 Major JIT compiler update. 2017-02-15 07:27:08 +00:00
Philip.Hazel bea3a10a93 Final file updates for 10.23. 2017-02-14 10:40:33 +00:00
Philip.Hazel 388ffac596 Fix bug in most recent fix for pcre2grep. 2017-02-12 13:30:38 +00:00
Philip.Hazel 0299bba9d9 Fix previously broken fix for pcre2grep with -Mo matching strings that cross
line boundaries.
2017-02-10 17:39:29 +00:00
Philip.Hazel 8a3a452ea9 Small code tidy to make it more understandable. 2017-02-10 16:42:14 +00:00
Philip.Hazel 3fb194afa4 Cache group minima to speed up studying of pathological patterns. Fixes
oss-fuzz #557.
2017-02-10 16:33:15 +00:00
Philip.Hazel 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
Philip.Hazel 2f1e99e04f Don't use %td (use %lu instead) in pcre2test under MSVC. 2017-02-04 16:27:20 +00:00
Philip.Hazel 4311f49d0e Fix \g+ bug when the number that follows is too big. 2017-01-31 17:15:30 +00:00
Philip.Hazel 56a8ada12d Fix warnings in 32-bit environments. 2017-01-17 15:21:11 +00:00
Philip.Hazel ca1ecd41a1 File tidies for 10.23-RC1 2017-01-16 17:40:47 +00:00
Philip.Hazel 31c62034fe Minor tidies to pcre2grep. 2017-01-16 15:06:57 +00:00
Philip.Hazel 662a765bdf Update build system for changes in the JIT modules. 2017-01-12 16:35:43 +00:00
Zoltán Herczeg 88c0f14825 JIT compiler update. Patch insipred by Christian Persch. 2017-01-12 09:32:15 +00:00
Philip.Hazel 224e707ab0 Ignore all JIT compile errors in pcre2grep. 2017-01-11 17:10:28 +00:00
Philip.Hazel 6332aa1101 Fix pcre2test mishandling "end before start" return with POSIX interface. 2017-01-11 17:02:27 +00:00
Philip.Hazel 1226e2e0d0 Fix hyphen after \E after POSIX class causing an error. 2017-01-11 16:40:35 +00:00
Zoltán Herczeg 27eab0b836 JIT compiler update. 2017-01-05 10:01:29 +00:00
Philip.Hazel 255bc030d9 Improve class handling for \H and \V by ignoring caseless. 2017-01-03 18:17:31 +00:00
Philip.Hazel 15c30bf55a Detect overlong patterns earlier. 2017-01-03 11:35:26 +00:00
Zoltán Herczeg e22fadd1e4 JIT compiler update. 2017-01-02 13:01:42 +00:00
Philip.Hazel 5a15ad5c36 Fix very minor typo. 2017-01-01 12:13:17 +00:00
Philip.Hazel 396a7c7d29 Upgrade pcre2grep for Windows courtesy of Jason Hood. 2016-12-31 17:40:45 +00:00
Philip.Hazel 70daa788a5 Minor tidy. 2016-12-31 14:17:14 +00:00
Philip.Hazel f42fb677b9 Limit the subject length in the fuzzer support function, to avoid wasting time
searching large trees.
2016-12-31 13:46:36 +00:00
Philip.Hazel 18dd19eae0 Make the test for over-complication while auto-possessifying bite sooner. 2016-12-31 13:35:31 +00:00
Philip.Hazel 25dbe146bd Very minor tidy to pcre2grep, plus fix typos in comments. 2016-12-29 16:29:05 +00:00
Philip.Hazel 62659dd2f3 Add callout_error to pcre2test and stop the fuzzer after 100 callouts. 2016-12-28 15:05:48 +00:00
Philip.Hazel f676362977 Fix issue with \Q\E after a callout before an assertion condition. 2016-12-28 12:26:12 +00:00
Philip.Hazel fdf7946ee0 Fail hyphen after POSIX character class. 2016-12-27 11:50:28 +00:00
Philip.Hazel 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
Philip.Hazel a7a25ed91d Fix bug when a character > 0xffff appears in a lookbehind within a lookbehind. 2016-12-24 16:25:11 +00:00
Philip.Hazel 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
Philip.Hazel 482b6a1f0a Add the -ac option (auto_callout) to pcre2test. 2016-12-23 17:36:22 +00:00
Philip.Hazel d15aab4d17 More refactoring: keep track of empty branches during compiling, replacing a
post-compile scan.
2016-12-23 17:09:37 +00:00
Philip.Hazel 1f87b60f01 Make the recursion limit apply to DFA matching. 2016-12-23 11:04:51 +00:00
Philip.Hazel 3df9674c4e Fix name table sort buffer overflow. 2016-12-21 17:09:11 +00:00
Philip.Hazel dfff2fbc9f Limit the fuzzing function with match limit = recursion limit = 100. 2016-12-20 17:10:30 +00:00
Philip.Hazel a984029d80 Fix incorrect internal error for very complicated back reference handling. 2016-12-20 16:47:41 +00:00
Philip.Hazel f77339a3ca Fix \Q\E quantification bug. 2016-12-11 16:42:29 +00:00
Philip.Hazel a98121a212 Fix caseless minimizing back reference bug when heap in use for recursion. 2016-12-10 14:59:24 +00:00
Philip.Hazel 7914fa82a9 Fix OOB error in substitute with start offset longer than length. 2016-12-09 18:19:38 +00:00
Philip.Hazel bcad1aa4f6 Fix NULL defer in extended substition for \p, \P, or \X. 2016-12-09 16:57:51 +00:00
Zoltán Herczeg 6f3deee62d JIT compiler update. 2016-12-09 14:22:11 +00:00
Philip.Hazel 156a5c4e5f Fix crash in pcre2test when displaying a wide character with a locale set. 2016-12-08 18:56:24 +00:00
Philip.Hazel 0e04c156a4 Fix buffer overflow in partial match test for CRLF in empty buffer. 2016-12-08 17:55:26 +00:00
Philip.Hazel 561dff70d0 Fix small memory leak in error code path. 2016-12-08 16:52:26 +00:00
Philip.Hazel 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
Philip.Hazel d3e36ba59e Minor wording tweak. 2016-11-25 10:38:38 +00:00
Philip.Hazel 7390ce13f6 Quantifiers following (*VERB)s were not being diagnosed. 2016-11-25 10:37:23 +00:00
Philip.Hazel 6962217441 Make fuzz support abort on internal errors. 2016-11-24 15:57:34 +00:00
Philip.Hazel 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
Philip.Hazel 2aec84e37e Add pcre2_code_copy_with_tables(). 2016-11-22 15:37:02 +00:00
Philip.Hazel bc48f4709c Give some offset information for errors in pcre2test hex patterns. 2016-11-22 10:33:13 +00:00
Philip.Hazel 2c2b0febef Make idempotency guards more standards compliant. 2016-11-20 12:46:11 +00:00
Philip.Hazel 2ce680f2f5 Add PCRE2_CALL_CONVENTION into prototypes. 2016-11-19 12:46:24 +00:00
Philip.Hazel e0cccdd028 Fix overrun bug caused by conditional with assertion using too much memory. 2016-11-18 18:59:37 +00:00
Philip.Hazel 21c084125c Fix global overflow bug for get/copy names in pcre2test. 2016-11-10 17:08:27 +00:00
Philip.Hazel 270eaa7615 Fix bad working space size calculation when PCRE2_AUTO_CALLOUT is set. 2016-11-04 16:35:47 +00:00
Philip.Hazel e533e0f774 Fix overrun for unterminated number after \g' 2016-11-04 11:05:21 +00:00
Philip.Hazel 10f4e45e68 Add use_length to pcre2test. 2016-11-04 10:53:43 +00:00
Philip.Hazel fb231d30fe List valgrind support when it is enabled. 2016-11-03 18:25:51 +00:00
Philip.Hazel 30cf6b6954 Add strerror() to pcre2test for failed file opening. 2016-11-03 18:18:53 +00:00
Philip.Hazel e8d564831f Remove all "register" declarations. 2016-11-03 17:35:59 +00:00
Philip.Hazel 336da0bf5d Update the pcre2grep patch for colouring on Windows so that "auto" is the same
as "always".
2016-11-03 17:01:17 +00:00
Philip.Hazel e5f1ac32c0 Correct out-of-date comments in the code. 2016-11-02 09:56:27 +00:00
Philip.Hazel 6a15c1cbcc Fix callout string read overrun; do better with catching these when using
zero-terminated patterns under valgrind.
2016-11-01 17:45:54 +00:00
Philip.Hazel 4fd8feaa50 Fix auto-anchor bug when .* is inside an assertion. 2016-11-01 15:58:28 +00:00
Philip.Hazel 12a6d697fe Fix read beyond unterminated quantifier at end of pattern. 2016-11-01 12:12:45 +00:00
Philip.Hazel 0ea3274a53 Fix pattern overrun in utf extended mode for a # comment that hit the end. 2016-10-31 17:46:56 +00:00
Philip.Hazel 2aa482039a Add fuzzer support features. 2016-10-31 17:19:00 +00:00
Philip.Hazel 24ab24fde0 Fix bad memory calculation when the first branch of a lookbehind is of zero
length.
2016-10-28 16:09:08 +00:00
Philip.Hazel 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
Philip.Hazel 56084cc922 Fix *MARK length check in UTF mode (it was checking characters, not code
units).
2016-10-26 16:59:22 +00:00
Philip.Hazel 2821076981 Diagnose an overall recursion (?0) inside a lookbehind as an error. 2016-10-23 17:05:09 +00:00
Philip.Hazel d117300a1d The "offset" modifier in pcre2test was not being ignored (as documented) for
POSIX.
2016-10-23 16:18:15 +00:00
Philip.Hazel a22c5e4204 Fix optimization bugs when pattern starts with lookahead. 2016-10-18 11:22:40 +00:00
Philip.Hazel 1828179ef9 Add -t to pcre2grep. 2016-10-16 16:48:14 +00:00
Philip.Hazel a8e61163e0 Correct a couple of size_t that should be PCRE2_SIZE. 2016-10-15 09:21:12 +00:00
Philip.Hazel bd9a70f14d Dmitry Cherniachenko's patch for colouring pcre2grep output in Windows. 2016-10-14 16:17:48 +00:00
Philip.Hazel 6c72b76a64 Added some "const" qualifiers to variables in pcre2grep. 2016-10-14 15:47:27 +00:00
Philip.Hazel ff6bec1991 Note in config.h that SUPPORT_PCRE2GREP_JIT needs SUPPORT_JIT in order to be
effective.
2016-10-14 15:16:39 +00:00
Philip.Hazel b3afb24224 Make pcre2grep work (using the interpreter) if compiled with JIT support when
the main library does not have it.
2016-10-13 17:20:08 +00:00
Philip.Hazel bf6f0bb335 Implement buffer expansion in pcre2grep. 2016-10-11 16:40:09 +00:00
Philip.Hazel fe965353e6 Insert missing casts to reduce compiler warnings. 2016-10-06 16:47:56 +00:00
Philip.Hazel 1d28e047f3 Fix callout display bug in pcre2test. 2016-10-05 16:53:34 +00:00
Philip.Hazel 99264dfc23 Major refactoring of pcre2_compile.c; see ChangeLog and HACKING. 2016-10-02 16:01:01 +00:00
Philip.Hazel 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
Philip.Hazel 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
Philip.Hazel 5b6c797a4d Final file tidies for 10.22. 2016-07-29 08:47:39 +00:00
Philip.Hazel 42d7c17a1d Tidy code to get rid of compiler warnings. 2016-07-27 18:00:12 +00:00
Philip.Hazel 36f06405b7 Update comments and correct name of memmove substitute function. 2016-07-27 17:58:38 +00:00
Zoltán Herczeg 41ebeb4290 Minor JIT compiler update. 2016-07-17 04:39:51 +00:00
Zoltán Herczeg 063f45de11 Fix unaligned accesses on x86. Patch by Marc Mutz. 2016-07-15 10:02:19 +00:00
Philip.Hazel 6a5acedf08 Ignore "allcaptures" after DFA matching. 2016-07-06 15:02:24 +00:00
Philip.Hazel 9b741ad59d Detect overflow in pcre2test pattern and subject repetition counts. 2016-07-06 08:42:50 +00:00
Zoltán Herczeg 83c67a8ece Fix register overwite in JIT when SSE2 acceleration is enabled. 2016-07-01 08:56:59 +00:00
Philip.Hazel 921636f6fc Documentation detrail and make HTML for 10.22-RC1. 2016-06-29 16:52:05 +00:00
Philip.Hazel 431d41cb2d File tidies for 10.22-RC1 2016-06-29 16:43:32 +00:00
Philip.Hazel acc29ed05a Add missing #ifdef SUPPORT_UNICODE to avoid "unused variable" warning. 2016-06-28 16:19:47 +00:00
Philip.Hazel f16f5395cd Add MSVC snprintf fix to pcre2posix.c, which no longer includes
pcre2_internal.h.
2016-06-26 16:21:23 +00:00
Philip.Hazel 5f5e7f6fb2 Fix two compiler warnings from clang when only one code unit width is
supported.
2016-06-22 10:41:05 +00:00
Philip.Hazel 149456dce0 Support \C in lookbehinds and DFA matching in UTF-32 mode. 2016-06-20 18:14:51 +00:00
Philip.Hazel b002f44061 Fix bad interaction between -o and -M in pcre2grep. 2016-06-17 17:37:26 +00:00
Philip.Hazel 4f238daf41 Exclude __INTEL_COMPILER in the test for __GNUC__. 2016-06-17 11:45:16 +00:00
Philip.Hazel 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