Thread: pgsql: Don't call fwrite() with len == 0 when writing out relcache init

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

From

Andres Freund

Date:

23 March 2022, 23:36:13

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_12_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/c5b60a68cc08400dd2de5e2ca2908a204e6bef54

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