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regex-emacs: copy less when reallocating

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* src/regex-emacs.c (GROW_FAIL_STACK): Copy just the
occupied stack slots, as the rest are garbage.
This commit is contained in:
Paul Eggert 2020-08-26 00:07:09 -07:00
parent bd5771ff27
commit e823709d17
1 changed files with 1 additions and 1 deletions
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2
src/regex-emacs.c
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@ -929,7 +929,7 @@ typedef struct
? 0 \
: ((fail_stack).stack \
= REGEX_REALLOCATE ((fail_stack).stack, \
(fail_stack).size * sizeof (fail_stack_elt_t), \
(fail_stack).avail * sizeof (fail_stack_elt_t), \
min (emacs_re_max_failures * TYPICAL_FAILURE_SIZE, \
((fail_stack).size * FAIL_STACK_GROWTH_FACTOR)) \
* sizeof (fail_stack_elt_t)), \