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Fix pg_rewind's handling of top-level symlinks.

author Tom Lane <tgl@sss.pgh.pa.us>

2015年5月28日 16:44:31 +0000 (12:44 -0400)

committer Tom Lane <tgl@sss.pgh.pa.us>

2015年5月28日 16:44:39 +0000 (12:44 -0400)

commit 0381fefaa44f04e17dffb7e46e7677374a4fb2c7

tree 56cf8fd43aef04395af30a3f32ce7d9c4b8f4e23 tree

parent e5f1a4f1e350f1e72531d032eaa9095ba5baeb51 commit | diff

Fix pg_rewind's handling of top-level symlinks.

The previous coding suffered a null-pointer dereference if it found any
symlink at the top level of $PGDATA. Fix that, and teach it to recurse
into a symlink for pg_xlog, but not anything else.

Per note from Abhijit Menon-Sen.

src/bin/pg_rewind/copy_fetch.c diff | blob | blame | history

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