[PATCH] Support %m in printf functions

[Daniel O'Connor]

On 03/01/2012, at 21:07, Richard Earnshaw wrote:
> Printf is already very bloated.  On bare metal this adds yet more
> overhead for something that's very unlikely to be used.
> 
> I think there should be a way of building printf with all GNU extensions
> disabled.


avr-libc lets you specify which of version of the scanf/printf functions you want (minimal, float, "normal").

http://www.nongnu.org/avr-libc/user-manual/group__avr__stdio.html#gaa3b98c0d17b35642c0f3e4649092b9f1

Not sure how applicable/portable it is though.

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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