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Re: use of program_name

From: Karl Berry
Subject: Re: use of program_name
Date: Thu, 5 Jan 2006 16:12:36 -0600

    If we put a similar declaration in error.c, it would cause two
    different definitions of program_name, and some non-Unix linkers
    reject this.  (The C Standard allows them to reject it.)

Is it a problem in practice, ie, what are these non-Unix linkers?

How about defining it in error.c with an #ifdef:
char *program_name;

Then programs could define the macro if need be.  Perhaps it could be

    This will require revamping pretty much everybody that uses
    program_name, but I think it's worth the pain.  What do others

Sounds like an uphill battle to me.

Are you thinking that set_program_name will set something other than
program_name?  Because of course existing code has to continue to work
... not too clear on how old/new code will mix in this case ...

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