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SubjectRe: [patch] printk and dma_addr_t
>    From: Alan Cox <>
> Date: Wed, 13 Feb 2002 09:40:44 +0000 (GMT)
> Vomit. How about adding a dma_addr_t %code to the printk function ?
> And gcc will discover this via what? Osmosis perhaps? :-)

Yeah, seems gcc is a bit lacking in its overclever printf handlers. It
lacks the ability to declare additional non standard % code - despite the
fact glibc itself expands on the standard

glibc 2.0 adds conversion characters C and S.

glibc 2.1 adds length modifiers hh,j,t,z and conversion
characters a,A.

glibc 2.2 adds the conversion character F with C99 seman-
tics, and the flag character I.

So how do they modify the printf format rules in gcc ?
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