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pgsql: Don't call fwrite() with len == 0 when writing out relcache init - Mailing list pgsql-committers

From Andres Freund
Subject pgsql: Don't call fwrite() with len == 0 when writing out relcache init
Date
Msg-id E1nX7iG-0014W1-Ri@gemulon.postgresql.org
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Don't call fwrite() with len == 0 when writing out relcache init file.

Noticed via -fsanitize=undefined.

Backpatch to all branches, for the same reasons as 46ab07ffda9.

Discussion: https://postgr.es/m/20220323173537.ll7klrglnp4gn2um@alap3.anarazel.de
Backpatch: 10-

Branch
------
REL_10_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/5f4615b9def5c7a4218c7e17f318e4b2eb2b1747

Modified Files
--------------
src/backend/utils/cache/relcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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