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* src/regex-emacs.c (mutually_exclusive_p): Fix inf-loop (bug#65726)

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This commit is contained in:
Stefan Monnier 2023-09-04 13:11:31 -04:00
parent 1d3d419607
commit 6fad73d7cc
1 changed files with 1 additions and 1 deletions
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src/regex-emacs.c
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@ -3834,7 +3834,7 @@ mutually_exclusive_p (struct re_pattern_buffer *bufp, re_char *p1,
EXTRACT_NUMBER_AND_INCR (mcnt, p2);
/* Don't just test `mcnt > 0` because non-greedy loops have
their test at the end with an unconditional jump at the start. */
if (p2 + mcnt > p2_orig) /* Ensure forward progress. */
if (p2 > p2_orig && mcnt >= 0) /* Ensure forward progress. */
return (mutually_exclusive_p (bufp, p1, p2)
&& mutually_exclusive_p (bufp, p1, p2 + mcnt));
break;