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ChangeLog for PCRE |
ChangeLog for PCRE |
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Version 8.10 03 May-2010 |
Version 8.10 03-Jun-2010 |
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1. Added support for (*MARK:ARG) and for ARG additions to PRUNE, SKIP, and |
1. Added support for (*MARK:ARG) and for ARG additions to PRUNE, SKIP, and |
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2. (*ACCEPT) was not working when inside an atomic group. |
2. (*ACCEPT) was not working when inside an atomic group. |
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3. Inside a character class, \B is treated as a literal by default, but |
3. Inside a character class, \B is treated as a literal by default, but |
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faulted if PCRE_EXTRA is set. This mimics Perl's behaviour (the -w option |
faulted if PCRE_EXTRA is set. This mimics Perl's behaviour (the -w option |
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causes the error). The code is unchanged, but I tidied the documentation. |
causes the error). The code is unchanged, but I tidied the documentation. |
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4. Inside a character class, PCRE always treated \R and \X as literals, |
4. Inside a character class, PCRE always treated \R and \X as literals, |
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whereas Perl faults them if its -w option is set. I have changed PCRE so |
whereas Perl faults them if its -w option is set. I have changed PCRE so |
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that it faults them when PCRE_EXTRA is set. |
that it faults them when PCRE_EXTRA is set. |
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5. Added support for \N, which always matches any character other than |
5. Added support for \N, which always matches any character other than |
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newline. (It is the same as "." when PCRE_DOTALL is not set.) |
newline. (It is the same as "." when PCRE_DOTALL is not set.) |
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6. When compiling pcregrep with newer versions of gcc which may have |
6. When compiling pcregrep with newer versions of gcc which may have |
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FORTIFY_SOURCE set, several warnings "ignoring return value of 'fwrite', |
FORTIFY_SOURCE set, several warnings "ignoring return value of 'fwrite', |
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declared with attribute warn_unused_result" were given. Just casting the |
declared with attribute warn_unused_result" were given. Just casting the |
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result to (void) does not stop the warnings; a more elaborate fudge is |
result to (void) does not stop the warnings; a more elaborate fudge is |
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needed. I've used a macro to implement this. |
needed. I've used a macro to implement this. |
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7. Minor change to pcretest.c to avoid a compiler warning. |
7. Minor change to pcretest.c to avoid a compiler warning. |
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8. Added four artifical Unicode properties to help with an option to make |
8. Added four artifical Unicode properties to help with an option to make |
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\s etc use properties (see next item). The new properties are: Xan |
\s etc use properties (see next item). The new properties are: Xan |
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(alphanumeric), Xsp (Perl space), Xps (POSIX space), and Xwd (word). |
(alphanumeric), Xsp (Perl space), Xps (POSIX space), and Xwd (word). |
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9. Added PCRE_UCP to make \b, \d, \s, \w, and certain POSIX character classes |
9. Added PCRE_UCP to make \b, \d, \s, \w, and certain POSIX character classes |
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use Unicode properties. (*UCP) at the start of a pattern can be used to set |
use Unicode properties. (*UCP) at the start of a pattern can be used to set |
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this option. Modified pcretest to add /W to test this facility. Added |
this option. Modified pcretest to add /W to test this facility. Added |
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REG_UCP to make it available via the POSIX interface. |
REG_UCP to make it available via the POSIX interface. |
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10. Added --line-buffered to pcregrep. |
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11. In UTF-8 mode, if a pattern that was compiled with PCRE_CASELESS was |
10. Added --line-buffered to pcregrep. |
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studied, and the match started with a letter with a code point greater than |
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11. In UTF-8 mode, if a pattern that was compiled with PCRE_CASELESS was |
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studied, and the match started with a letter with a code point greater than |
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127 whose first byte was different to the first byte of the other case of |
127 whose first byte was different to the first byte of the other case of |
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the letter, the other case of this starting letter was not recognized. |
the letter, the other case of this starting letter was not recognized. |
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12. pcreposix.c included pcre.h before including pcre_internal.h. This caused a |
12. pcreposix.c included pcre.h before including pcre_internal.h. This caused a |
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conflict in the definition of PCRE_EXP_DECL. I have removed the include of |
conflict in the definition of PCRE_EXP_DECL. I have removed the include of |
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pcre.h as pcre_internal.h includes pcre.h itself. (This may be a bit of |
pcre.h as pcre_internal.h includes pcre.h itself. (This may be a bit of |
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historical tidying that never got done.) |
historical tidying that never got done.) |
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13. If a pattern that was studied started with a repeated Unicode property |
13. If a pattern that was studied started with a repeated Unicode property |
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test, for example, \p{Nd}+, there was the theoretical possibility of |
test, for example, \p{Nd}+, there was the theoretical possibility of |
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setting up an incorrect bitmap of starting bytes, but fortunately it could |
setting up an incorrect bitmap of starting bytes, but fortunately it could |
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not have actually happened in practice until change 8 above was made (it |
not have actually happened in practice until change 8 above was made (it |
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added property types that matched character-matching opcodes). |
added property types that matched character-matching opcodes). |
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14. pcre_study() now recognizes \h, \v, and \R when constructing a bit map of |
14. pcre_study() now recognizes \h, \v, and \R when constructing a bit map of |
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possible starting bytes for non-anchored patterns. |
possible starting bytes for non-anchored patterns. |
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15. Extended the "auto-possessify" feature of pcre_compile(). It now recognizes |
15. Extended the "auto-possessify" feature of pcre_compile(). It now recognizes |
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\R, and also a number of cases that involve Unicode properties, both |
\R, and also a number of cases that involve Unicode properties, both |
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explicit and implicit when PCRE_UCP is set. |
explicit and implicit when PCRE_UCP is set. |
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16. If a repeated Unicode property match (e.g. \p{Lu}*) was used with non-UTF-8 |
16. If a repeated Unicode property match (e.g. \p{Lu}*) was used with non-UTF-8 |
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input, it could crash or give wrong results if characters with values |
input, it could crash or give wrong results if characters with values |
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greater than 0xc0 were present in the subject string. (Detail: it assumed |
greater than 0xc0 were present in the subject string. (Detail: it assumed |
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UTF-8 input when processing these items.) |
UTF-8 input when processing these items.) |
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17. Added a lot of (int) casts to avoid compiler warnings in systems where |
17. Added a lot of (int) casts to avoid compiler warnings in systems where |
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size_t is 64-bit. |
size_t is 64-bit. |
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18. Added a check for running out of memory when PCRE is compiled with |
18. Added a check for running out of memory when PCRE is compiled with |
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--disable-stack-for-recursion. |
--disable-stack-for-recursion. |
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Version 8.02 19-Mar-2010 |
Version 8.02 19-Mar-2010 |