tree 0bcd55f4e4787528794c5550bacd9a035ae9df2a
parent dbb357dae2227250b6cbf110d8a02f83934eb5c9
author LIU Hao <lh_mouse@126.com> 1764240385 +0800
committer LIU Hao <lh_mouse@126.com> 1764554863 +0800
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crt/stdio: Fix `%.d` output of printf128 for 0

When `%.d` is passed an argument of 0, it should not produce any digits. The
printf128 path uses an intermediate numeric string, which, in this case,
shall be truncated to an empty string. Old code left least one digit so it
erroneously produced "0".

This error was observed in one test in MPFR.

Signed-off-by: LIU Hao <lh_mouse@126.com>