Hi,
On 2015-03-11 06:54:16 +0000, Fujii Masao wrote:
> Add GUC to enable compression of full page images stored in WAL.
This triggers a couple warnings here (gcc 4.9 and 5):
/home/andres/src/postgresql/src/backend/access/transam/xloginsert.c: In
function ‘XLogInsert’:
/home/andres/src/postgresql/src/backend/access/transam/xloginsert.c:670:5:
warning: ‘cbimg.hole_length’ may be used uninitialized in this function
[-Wmaybe-uninitialized]
memcpy(scratch, &cbimg,
^
/home/andres/src/postgresql/src/backend/access/transam/xloginsert.c:494:33:
note: ‘cbimg.hole_length’ was declared here
XLogRecordBlockCompressHeader cbimg;
^
/home/andres/src/postgresql/src/backend/access/transam/xloginsert.c:668:20:
warning: ‘hole_length’ may be used uninitialized in this function
[-Wmaybe-uninitialized]
if (hole_length != 0 && is_compressed)
^
/home/andres/src/postgresql/src/backend/access/transam/xloginsert.c:497:10:
note: ‘hole_length’ was declared here
uint16 hole_length;
I've not checked whether they're spurious or not.
Greetings,
Andres Freund
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Andres Freund http://www.2ndQuadrant.com/
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