Thread: pgsql: A couple further reloptions improvements, per KaiGai Kohei: add a

Log Message:
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A couple further reloptions improvements, per KaiGai Kohei: add a validation
function to the string type and add a couple of macros for string handling.

In passing, fix an off-by-one bug of mine.

Modified Files:
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    pgsql/src/backend/access/common:
        reloptions.c (r1.16 -> r1.17)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/common/reloptions.c?r1=1.16&r2=1.17)
    pgsql/src/include/access:
        reloptions.h (r1.8 -> r1.9)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/access/reloptions.h?r1=1.8&r2=1.9)