tree 7a6fe59c38e4b0265943178dad3518486ad9cba0
parent 9eb6dd5165b803715f82b9f5d4b557878f77a580
author Rich Felker <dalias@aerifal.cx> 1510339212 -0500
committer Rich Felker <dalias@aerifal.cx> 1510339212 -0500

simplify/optimize iconv utf-8 case

the special case where mbrtowc returns 0 but consumed 1 byte of input
does not need to be considered, because the short-circuit for low
bytes already covered that case.