Add %z and %x to printf backend (#5424)

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* Add %z and %x to printf backend

%z is a C99 format used for size_t and was not included in any printf.
On the 8266 it's a no-op as size_t==int, so ignore it and things just
work.

%x lowercase support added back in (wasn't present in nano-printf).

* Update to toolchain built newlib, fix link error

Previous commit was a hand build and copy, this one used the full
toolchain and should not include atexit().

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This commit is contained in:

Earle F. Philhower, III 2018-12-03 12:26:31 -08:00 committed by Develo

parent 2f907f47bb

commit f770d1a213

3 changed files with 0 additions and 0 deletions

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