Обсуждение: pgsql: Fix corner cases in readlink() usage.

Fix corner cases in readlink() usage.

Make sure all calls are protected by HAVE_READLINK, and get the buffer
overflow tests right.  Be a bit more paranoid about string length in
_tarWriteHeader(), too.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/0d0ec527afec5e7bc9d709c40a37f295b627336a

Modified Files
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src/backend/replication/basebackup.c |   52 ++++++++++++++++++++++++---------
src/backend/utils/adt/misc.c         |   12 +++++--
2 files changed, 46 insertions(+), 18 deletions(-)