unicode - How to determine whether a codec has a const ratio 'byte number per character'? -


given iana codec name (or, 1 of used in iconv/icu), easiest way determine whether codec has fixed width representation characters or not?

use ucnv_isfixedwidth():

uerrorcode status; uconverter* converter = ucnv_open("koi8-r", &status); if (u_success(status)) {   ubool is_fixed = ucnv_isfixedwidth(converter, &status); }

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