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Re: [Bug-gnulib] localcharset and K&R C

From: Bruno Haible
Subject: Re: [Bug-gnulib] localcharset and K&R C
Date: Mon, 15 Sep 2003 17:38:20 +0200
User-agent: KMail/1.5

Paul Eggert wrote:
> but is this really being used?  localcharset.c uses constructs
> like #elif, memcpy, and NULL that are not portable to old K&R
> compilers.

The GCC people said that K&R C support is important for mostly two
platforms: SunOS 4 with cc and HP-UX with cc. But both of these platforms
have the constructs that you mention:

  - #elif is supported since SunOS 4 cc (although it had some bugs with nested
    #elifs and/or huge #include files).

  - memcpy is also supported since SunOS 4. (Only memmove was missing there.)

  - NULL is defined in <stddef.h> but not in <stdlib.h> on SunOS 4.

So you cannot conclude that localcharset.c is unused there.


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