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| author | Guido van Rossum <guido@python.org> | 1998-02-20 21:45:14 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1998-02-20 21:45:14 (GMT) |
| commit | d0f432b8407d4637a9b9044046f7a186ed7dff64 (patch) | |
| tree | a4bebe82a1973222da9054bd0a46420915600531 /Modules/pypcre.c | |
| parent | ff170fbbb5cb17aba7d2aa0523a389599a2341d7 (diff) | |
| download | cpython-d0f432b8407d4637a9b9044046f7a186ed7dff64.zip cpython-d0f432b8407d4637a9b9044046f7a186ed7dff64.tar.gz cpython-d0f432b8407d4637a9b9044046f7a186ed7dff64.tar.bz2 | |
A bug in PCRE could cause core dumps in patterns such as
'((a)*)*'. Andrew Kuchling posted a fix to the string-sig.
Diffstat (limited to 'Modules/pypcre.c')
| -rw-r--r-- | Modules/pypcre.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Modules/pypcre.c b/Modules/pypcre.c index 1d2a9ca..69d6c22 100644 --- a/Modules/pypcre.c +++ b/Modules/pypcre.c @@ -809,6 +809,13 @@ do { case OP_KETRMIN: return TRUE; + /* Skip over entire bracket groups with zero lower bound */ + + case OP_BRAZERO: + case OP_BRAMINZERO: + cc++; + /* Fall through */ + /* Skip over assertive subpatterns */ case OP_ASSERT: @@ -823,8 +830,6 @@ do { case OP_EOD: case OP_CIRC: case OP_DOLL: - case OP_BRAZERO: - case OP_BRAMINZERO: case OP_NOT_WORD_BOUNDARY: case OP_WORD_BOUNDARY: case OP_NOT_WORD_BOUNDARY_L: |