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Date:      Wed, 22 Nov 1995 10:07:29 +0100 (MET)
From:      J Wunsch <j@uriah.heep.sax.de>
To:        freebsd-hackers@freebsd.org (FreeBSD hackers)
Cc:        Jerry.Kendall@vmicls.com
Subject:   Re: HELP with typedef
Message-ID:  <199511220907.KAA21334@uriah.heep.sax.de>
In-Reply-To: <199511211745.KAA25161@rocky.sri.MT.net> from "Nate Williams" at Nov 21, 95 10:45:03 am

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As Nate Williams wrote:

> typedef char *StringList[];
> 
> StringList List = {"one","two","three","four","END OF LIST",""};

> It now compiles with 'gcc -Wall', and works like I think you intend it
> to do.

But it wouldn't compile with -Wwrite-strings. :-)

typedef const char *StringList[];

is better, since gcc places the strings in the read-only text segment
by default, so they are actually constant strings.  The additional
warning option lets gcc warn about attempts to overwrite these
strings.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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