bodrato at mail.dm.unipi.it writes: Maybe our printf/repl-vsnprintf.c is not tested enough? Oddly enough it is not even listed at e.g., https://gmplib.org/devel/lcov/hannahnbsd32v61/gmp/printf/index.html. Of the existing 21 function in printf/ only 17 are there. Great coverage analysis! :-( Torbjörn Please encrypt, key id 0xC8601622