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author | Tim Peters <tim.peters@gmail.com> | 2001-05-19 07:04:38 (GMT) |
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committer | Tim Peters <tim.peters@gmail.com> | 2001-05-19 07:04:38 (GMT) |
commit | 91a364df173a03c9ab7219aa23b950b072c580f3 (patch) | |
tree | 1fe8167906c5650b275bc89c5db04aef89dd7d25 /Parser/firstsets.c | |
parent | acb117eb111f4f6d0f6e7942357e7c3afe6b70f7 (diff) | |
download | cpython-91a364df173a03c9ab7219aa23b950b072c580f3.zip cpython-91a364df173a03c9ab7219aa23b950b072c580f3.tar.gz cpython-91a364df173a03c9ab7219aa23b950b072c580f3.tar.bz2 |
Bugfix candidate.
Two exceedingly unlikely errors in dictresize():
1. The loop for finding the new size had an off-by-one error at the
end (could over-index the polys[] vector).
2. The polys[] vector ended with a 0, apparently intended as a sentinel
value but never used as such; i.e., it was never checked, so 0 could
have been used *as* a polynomial.
Neither bug could trigger unless a dict grew to 2**30 slots; since that
would consume at least 12GB of memory just to hold the dict pointers,
I'm betting it's not the cause of the bug Fred's tracking down <wink>.
Diffstat (limited to 'Parser/firstsets.c')
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