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revision 296 by ph10, Tue Jan 1 20:09:30 2008 UTC revision 303 by ph10, Sun Jan 20 19:39:43 2008 UTC
# Line 1  Line 1 
1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4  Version 7.5 31-Dec-07  Version 7.6 19-Jan-08
5    ---------------------
6    
7    1.  A character class containing a very large number of characters with
8        codepoints greater than 255 (in UTF-8 mode, of course) caused a buffer
9        overflow.
10    
11    2.  Patch to cut out the "long long" test in pcrecpp_unittest when
12        HAVE_LONG_LONG is not defined.
13    
14    3.  Applied Christian Ehrlicher's patch to update the CMake build files to
15        bring them up to date and include new features.
16    
17    
18    Version 7.5 10-Jan-08
19  ---------------------  ---------------------
20    
21  1.  Applied a patch from Craig: "This patch makes it possible to 'ignore'  1.  Applied a patch from Craig: "This patch makes it possible to 'ignore'
# Line 99  Version 7.5 31-Dec-07 Line 113  Version 7.5 31-Dec-07
113    
114  20. In pcrecpp.cc, the variable 'count' was incremented twice in  20. In pcrecpp.cc, the variable 'count' was incremented twice in
115      RE::GlobalReplace(). As a result, the number of replacements returned was      RE::GlobalReplace(). As a result, the number of replacements returned was
116      double what it should be. I have removed one of the increments.      double what it should be. I removed one of the increments, but Craig sent a
117        later patch that removed the other one (the right fix) and added unit tests
118        that check the return values (which was not done before).
119    
120  21. Several CMake things:  21. Several CMake things:
121    
# Line 110  Version 7.5 31-Dec-07 Line 126  Version 7.5 31-Dec-07
126          linked with the newly-built libraries, not previously installed ones.          linked with the newly-built libraries, not previously installed ones.
127    
128      (3) Added PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, PCRE_SUPPORT_LIBBZ2.      (3) Added PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, PCRE_SUPPORT_LIBBZ2.
129    
130  22. In UTF-8 mode, with newline set to "any", a pattern such as .*a.*=.b.*  22. In UTF-8 mode, with newline set to "any", a pattern such as .*a.*=.b.*
131      crashed when matching a string such as a\x{2029}b (note that \x{2029} is a      crashed when matching a string such as a\x{2029}b (note that \x{2029} is a
132      UTF-8 newline character). The key issue is that the pattern starts .*;      UTF-8 newline character). The key issue is that the pattern starts .*;
133      this means that the match must be either at the beginning, or after a      this means that the match must be either at the beginning, or after a
134      newline. The bug was in the code for advancing after a failed match and      newline. The bug was in the code for advancing after a failed match and
135      checking that the new position followed a newline. It was not taking      checking that the new position followed a newline. It was not taking
136      account of UTF-8 characters correctly.      account of UTF-8 characters correctly.
137    
138  23. PCRE was behaving differently from Perl in the way it recognized POSIX  23. PCRE was behaving differently from Perl in the way it recognized POSIX
139      character classes. PCRE was not treating the sequence [:...:] as a      character classes. PCRE was not treating the sequence [:...:] as a
140      character class unless the ... were all letters. Perl, however, seems to      character class unless the ... were all letters. Perl, however, seems to
141      allow any characters between [: and :], though of course it rejects as      allow any characters between [: and :], though of course it rejects as
142      unknown any "names" that contain non-letters, because all the known class      unknown any "names" that contain non-letters, because all the known class
143      names consist only of letters. Thus, Perl gives an error for [[:1234:]],      names consist only of letters. Thus, Perl gives an error for [[:1234:]],
144      for example, whereas PCRE did not - it did not recognize a POSIX character      for example, whereas PCRE did not - it did not recognize a POSIX character
145      class. This seemed a bit dangerous, so the code has been changed to be      class. This seemed a bit dangerous, so the code has been changed to be
146      closer to Perl. The behaviour is not identical to Perl, because PCRE will      closer to Perl. The behaviour is not identical to Perl, because PCRE will
147      diagnose an unknown class for, for example, [[:l\ower:]] where Perl will      diagnose an unknown class for, for example, [[:l\ower:]] where Perl will
148      treat it as [[:lower:]]. However, PCRE does now give "unknown" errors where      treat it as [[:lower:]]. However, PCRE does now give "unknown" errors where
149      Perl does, and where it didn't before.      Perl does, and where it didn't before.
150    
151  24. Rewrite so as to remove the single use of %n from pcregrep because in some  24. Rewrite so as to remove the single use of %n from pcregrep because in some
152      Windows environments %n is disabled by default.      Windows environments %n is disabled by default.
153    

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