pg_waldump: Fix error message for WAL files smaller than XLOG_BLCKSZ. When opening a WAL file smaller than XLOG_BLCKSZ (e.g. 0 bytes long) while determining the wal_segment_size, pg_waldump checked errno, despite errno not being set by the short read. Resulting in a bogus error message.
Author: Kyotaro Horiguchi <horikyota....@gmail.com> Discussion: https://postgr.es/m/20220214.181847.775024684568733277.horikyota....@gmail.com Backpatch: 11-, the bug was introducedin fc49e24fa Branch ------ REL_11_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/51c34165614bde5d44a356ba5f1f4f79d8893103 Modified Files -------------- src/bin/pg_waldump/pg_waldump.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)