Date: Thu, 26 Oct 1995 22:37:33 +0100 (MET) From: J Wunsch <j@uriah.heep.sax.de> To: phk@critter.tfs.com (Poul-Henning Kamp) Cc: hackers@freebsd.org Subject: Re: cpp question Message-ID: <199510262137.WAA29123@uriah.heep.sax.de> In-Reply-To: <673.814700238@critter.tfs.com> from "Poul-Henning Kamp" at Oct 26, 95 10:37:18 am
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As Poul-Henning Kamp wrote:
>
>
> My new testament is at home, can somebody tell me in the meantime:
>
> What do I write in a macro to make a token a string ?
>
> I want to do something like this:
>
> #define FOO(ptr,fmt,name) \
> printf("%s =" fmt "\n", XXXX, (ptr)->name)
>
> What do I need to put at XXXX ? to convert the name to "name" ?
#define FOO(ptr,fmt,name) \
printf("%s =" fmt "\n", # name, (ptr)->name)
or simpler:
#define FOO(ptr,fmt,name) \
printf(# name " =" fmt "\n", (ptr)->name)
(ANSI mandates that "foo" "bar" yields the single string "foobar".)
--
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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