From: | "Henry B(dot) Hotz" <hotz(at)jpl(dot)nasa(dot)gov> |
---|---|
To: | "Matthew N(dot) Dodd" <winter(at)jurai(dot)net> |
Cc: | Tom Ivar Helbekkmo <tih+mail(at)Hamartun(dot)Priv(dot)NO>, Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Kerberos 5 breakage. |
Date: | 1998-05-20 21:15:57 |
Message-ID: | v0313030eb188f6a99846@[137.78.218.94] |
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Lists: | pgsql-hackers |
At 11:46 AM -0700 5/20/98, Matthew N. Dodd wrote:
>On Wed, 20 May 1998, Henry B. Hotz wrote:
>> Can't these be defined as macros the way get/put stuff is done in stdio.h?
>
>Which macros?
>
I haven't actually looked, but I think it's pretty standard for
getchar/putchar to just do I/O from some local-to-the-program buffers.
Only when they overflow does it become a real system/library call, but they
look like function calls to the C program.
It's also true that you can play games with incremental linking and symbol
table stripping to insert your own wrapper on a system routine, but I would
not recommend that. It's much too likely to create portability problems.
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h(dot)b(dot)hotz(at)jpl(dot)nasa(dot)gov, or hbhotz(at)oxy(dot)edu
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