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revision 396 by ph10, Fri Mar 20 11:23:20 2009 UTC revision 419 by ph10, Wed Aug 12 10:45:33 2009 UTC
# Line 1  Line 1 
1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4  Version 7.9 xx-xxx-09  Version 8.00 ??-???-??
5    ----------------------
6    
7    1.  The table for translating pcre_compile() error codes into POSIX error codes
8        was out-of-date, and there was no check on the pcre_compile() error code
9        being within the table. This could lead to an OK return being given in
10        error.
11    
12    2.  Changed the call to open a subject file in pcregrep from fopen(pathname,
13        "r") to fopen(pathname, "rb"), which fixed a problem with some of the tests
14        in a Windows environment.
15    
16    
17    Version 7.9 11-Apr-09
18  ---------------------  ---------------------
19    
20  1.  When building with support for bzlib/zlib (pcregrep) and/or readline  1.  When building with support for bzlib/zlib (pcregrep) and/or readline
# Line 17  Version 7.9 xx-xxx-09 Line 30  Version 7.9 xx-xxx-09
30      but BOOL is not.      but BOOL is not.
31    
32  3.  The pcre_config() function was treating the PCRE_MATCH_LIMIT and  3.  The pcre_config() function was treating the PCRE_MATCH_LIMIT and
33      PCRE_MATCH_LIMIT_RETURSION values as ints, when they should be long ints.      PCRE_MATCH_LIMIT_RECURSION values as ints, when they should be long ints.
34    
35  4.  The pcregrep documentation said spaces were inserted as well as colons (or  4.  The pcregrep documentation said spaces were inserted as well as colons (or
36      hyphens) following file names and line numbers when outputting matching      hyphens) following file names and line numbers when outputting matching
# Line 42  Version 7.9 xx-xxx-09 Line 55  Version 7.9 xx-xxx-09
55      correctly handled. The rule now is that both the assertion and what follows      correctly handled. The rule now is that both the assertion and what follows
56      in the first alternative must satisfy the test.      in the first alternative must satisfy the test.
57    
58  9.  If auto-callout was enabled in a pattern with a conditional group, PCRE  9.  If auto-callout was enabled in a pattern with a conditional group whose
59      could crash during matching.      condition was an assertion, PCRE could crash during matching, both with
60        pcre_exec() and pcre_dfa_exec().
61    
62  10. The PCRE_DOLLAR_ENDONLY option was not working when pcre_dfa_exec() was  10. The PCRE_DOLLAR_ENDONLY option was not working when pcre_dfa_exec() was
63      used for matching.      used for matching.
# Line 63  Version 7.9 xx-xxx-09 Line 77  Version 7.9 xx-xxx-09
77  17. Implemented support for UTF-8 encoding in EBCDIC environments, a patch  17. Implemented support for UTF-8 encoding in EBCDIC environments, a patch
78      from Martin Jerabek that uses macro names for all relevant character and      from Martin Jerabek that uses macro names for all relevant character and
79      string constants.      string constants.
80    
81  18. Added to pcre_internal.h two configuration checks: (a) If both EBCDIC and  18. Added to pcre_internal.h two configuration checks: (a) If both EBCDIC and
82      SUPPORT_UTF8 are set, give an error; (b) If SUPPORT_UCP is set without      SUPPORT_UTF8 are set, give an error; (b) If SUPPORT_UCP is set without
83      SUPPORT_UTF8, define SUPPORT_UTF8. The "configure" script handles both of      SUPPORT_UTF8, define SUPPORT_UTF8. The "configure" script handles both of
84      these, but not everybody uses configure.      these, but not everybody uses configure.
85    
86  19. A conditional group that had only one branch was not being correctly  19. A conditional group that had only one branch was not being correctly
87      recognized as an item that could match an empty string. This meant that an      recognized as an item that could match an empty string. This meant that an
88      enclosing group might also not be so recognized, causing infinite looping      enclosing group might also not be so recognized, causing infinite looping
89      (and probably a segfault) for patterns such as ^"((?(?=[a])[^"])|b)*"$      (and probably a segfault) for patterns such as ^"((?(?=[a])[^"])|b)*"$
90      with the subject "ab", where knowledge that the repeated group can match      with the subject "ab", where knowledge that the repeated group can match
91      nothing is needed in order to break the loop.      nothing is needed in order to break the loop.
92    
93    20. If a pattern that was compiled with callouts was matched using pcre_dfa_
94        exec(), but without supplying a callout function, matching went wrong.
95    
96    21. If PCRE_ERROR_MATCHLIMIT occurred during a recursion, there was a memory
97        leak if the size of the offset vector was greater than 30. When the vector
98        is smaller, the saved offsets during recursion go onto a local stack
99        vector, but for larger vectors malloc() is used. It was failing to free
100        when the recursion yielded PCRE_ERROR_MATCH_LIMIT (or any other "abnormal"
101        error, in fact).
102    
103    22. There was a missing #ifdef SUPPORT_UTF8 round one of the variables in the
104        heapframe that is used only when UTF-8 support is enabled. This caused no
105        problem, but was untidy.
106    
107    23. Steven Van Ingelgem's patch to CMakeLists.txt to change the name
108        CMAKE_BINARY_DIR to PROJECT_BINARY_DIR so that it works when PCRE is
109        included within another project.
110    
111    24. Steven Van Ingelgem's patches to add more options to the CMake support,
112        slightly modified by me:
113    
114          (a) PCRE_BUILD_TESTS can be set OFF not to build the tests, including
115              not building pcregrep.
116    
117          (b) PCRE_BUILD_PCREGREP can be see OFF not to build pcregrep, but only
118              if PCRE_BUILD_TESTS is also set OFF, because the tests use pcregrep.
119    
120    25. Forward references, both numeric and by name, in patterns that made use of
121        duplicate group numbers, could behave incorrectly or give incorrect errors,
122        because when scanning forward to find the reference group, PCRE was not
123        taking into account the duplicate group numbers. A pattern such as
124        ^X(?3)(a)(?|(b)|(q))(Y) is an example.
125    
126    26. Changed a few more instances of "const unsigned char *" to USPTR, making
127        the feature of a custom pointer more persuasive (as requested by a user).
128    
129    27. Wrapped the definitions of fileno and isatty for Windows, which appear in
130        pcretest.c, inside #ifndefs, because it seems they are sometimes already
131        pre-defined.
132    
133    28. Added support for (*UTF8) at the start of a pattern.
134    
135    29. Arrange for flags added by the "release type" setting in CMake to be shown
136        in the configuration summary.
137    
138    
139  Version 7.8 05-Sep-08  Version 7.8 05-Sep-08
140  ---------------------  ---------------------

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