[HACKERS] Add some const decorations to prototypes - Mailing list pgsql-hackers

Here is a patch that adds const decorations to many char * arguments in
functions.  It should have no impact otherwise; there are very few code
changes caused by it.  Some functions have a strtol()-like behavior
where they take in a const char * and return a pointer into that as
another argument.  In those cases, I added a cast or two.

Generally, I find these const decorations useful as easy function
documentation.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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