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revision 405 by ph10, Mon Mar 23 12:05:20 2009 UTC revision 426 by ph10, Wed Aug 26 15:38:32 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8        was out-of-date, and there was no check on the pcre_compile() error code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    3.  The pcregrep --count option prints the count for each file even when it is
17        zero, as does GNU grep. However, pcregrep was also printing all files when
18        --files-with-matches was added. Now, when both options are given, it prints
19        counts only for those files that have at least one match. (GNU grep just
20        prints the file name in this circumstance, but including the count seems
21        more useful - otherwise, why use --count?) Also ensured that the
22        combination -clh just lists non-zero counts, with no names.
23    
24    4.  The long form of the pcregrep -F option was incorrectly implemented as
25        --fixed_strings instead of --fixed-strings. This is an incompatible change,
26        but it seems right to fix it, and I didn't think it was worth preserving
27        the old behaviour.
28    
29    5.  The command line items --regex=pattern and --regexp=pattern were not
30        recognized by pcregrep, which required --regex pattern or --regexp pattern
31        (with a space rather than an '='). The man page documented the '=' forms,
32        which are compatible with GNU grep; these now work.
33    
34    6.  No libpcreposix.pc file was created for pkg-config; there was just
35        libpcre.pc and libpcrecpp.pc. The omission has been rectified.
36    
37    7.  Added #ifndef SUPPORT_UCP into the pcre_ucd.c module, to reduce its size
38        when UCP support is not needed, by modifying the Python script that
39        generates it from Unicode data files. This should not matter if the module
40        is correctly used as a library, but I received one complaint about 50K of
41        unwanted data. My guess is that the person linked everything into his
42        program rather than using a library. Anyway, it does no harm.
43    
44    8.  A pattern such as /\x{123}{2,2}+/8 was incorrectly compiled; the trigger
45        was a minimum greater than 1 for a wide character in a possessive
46        repetition. Chaos could result.
47    
48    9.  The restrictions on what a pattern can contain when partial matching is
49        requested for pcre_exec() have been removed. All patterns can now be
50        partially matched by this function. In addition, if there are at least two
51        slots in the offset vector, the offsets of the first-encountered partial
52        match are set in them when PCRE_ERROR_PARTIAL is returned.
53    
54    
55    Version 7.9 11-Apr-09
56  ---------------------  ---------------------
57    
58  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 68  Version 7.9 xx-xxx-09
68      but BOOL is not.      but BOOL is not.
69    
70  3.  The pcre_config() function was treating the PCRE_MATCH_LIMIT and  3.  The pcre_config() function was treating the PCRE_MATCH_LIMIT and
71      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.
72    
73  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
74      hyphens) following file names and line numbers when outputting matching      hyphens) following file names and line numbers when outputting matching
# Line 95  Version 7.9 xx-xxx-09 Line 146  Version 7.9 xx-xxx-09
146      CMAKE_BINARY_DIR to PROJECT_BINARY_DIR so that it works when PCRE is      CMAKE_BINARY_DIR to PROJECT_BINARY_DIR so that it works when PCRE is
147      included within another project.      included within another project.
148    
149    24. Steven Van Ingelgem's patches to add more options to the CMake support,
150        slightly modified by me:
151    
152          (a) PCRE_BUILD_TESTS can be set OFF not to build the tests, including
153              not building pcregrep.
154    
155          (b) PCRE_BUILD_PCREGREP can be see OFF not to build pcregrep, but only
156              if PCRE_BUILD_TESTS is also set OFF, because the tests use pcregrep.
157    
158    25. Forward references, both numeric and by name, in patterns that made use of
159        duplicate group numbers, could behave incorrectly or give incorrect errors,
160        because when scanning forward to find the reference group, PCRE was not
161        taking into account the duplicate group numbers. A pattern such as
162        ^X(?3)(a)(?|(b)|(q))(Y) is an example.
163    
164    26. Changed a few more instances of "const unsigned char *" to USPTR, making
165        the feature of a custom pointer more persuasive (as requested by a user).
166    
167    27. Wrapped the definitions of fileno and isatty for Windows, which appear in
168        pcretest.c, inside #ifndefs, because it seems they are sometimes already
169        pre-defined.
170    
171    28. Added support for (*UTF8) at the start of a pattern.
172    
173    29. Arrange for flags added by the "release type" setting in CMake to be shown
174        in the configuration summary.
175    
176    
177  Version 7.8 05-Sep-08  Version 7.8 05-Sep-08

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