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ChangeLog for PCRE |
ChangeLog for PCRE |
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Version 6.2 01-Aug-05 |
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1. There was no test for integer overflow of quantifier values. A construction |
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such as {1111111111111111} would give undefined results. What is worse, if |
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a minimum quantifier for a parenthesized subpattern overflowed and became |
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negative, the calculation of the memory size went wrong. This could have |
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led to memory overwriting. |
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2. Building PCRE using VPATH was broken. Hopefully it is now fixed. |
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3. Added "b" to the 2nd argument of fopen() in dftables.c, for non-Unix-like |
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operating environments where this matters. |
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4. Applied Giuseppe Maxia's patch to add additional features for controlling |
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PCRE options from within the C++ wrapper. |
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5. Named capturing subpatterns were not being correctly counted when a pattern |
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was compiled. This caused two problems: (a) If there were more than 100 |
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such subpatterns, the calculation of the memory needed for the whole |
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compiled pattern went wrong, leading to an overflow error. (b) Numerical |
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back references of the form \12, where the number was greater than 9, were |
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not recognized as back references, even though there were sufficient |
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previous subpatterns. |
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6. Two minor patches to pcrecpp.cc in order to allow it to compile on older |
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versions of gcc, e.g. 2.95.4. |
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Version 6.1 21-Jun-05 |
Version 6.1 21-Jun-05 |
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