Clear errno before calling strtol() in spell.c.
Per POSIX, a caller of strtol() that wishes to check for errors must
set errno to 0 beforehand. Several places in spell.c neglected that,
so that they risked delivering a false overflow error in case errno
had been ERANGE already. Given the lack of field reports, this case
may be unreachable at present --- but it's surely trouble waiting to
happen, so fix it.
Author: Jacob Brazeal <jacob.brazeal@gmail.com>
Discussion: https://postgr.es/m/CA+COZaBhsq6EromFm+knMJfzK6nTpG23zJ+K2=nfUQQXcj_xcQ@mail.gmail.com
Backpatch-through: 13
Branch
------
REL_17_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/99c01aadf979eed412a5189c8370ec8fe4784e6f
Modified Files
--------------
src/backend/tsearch/spell.c | 4 ++++
1 file changed, 4 insertions(+)
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