Windows (mingw) _vsnprintf() returns -1 not the required size on overflow.
Windows (mingw) _vsnprintf() returns -1 not the required size on overflow.

Windows and hence mingw does not follow the standard regarding the return
value of vsnprintf(). The mingw code needs to iteratively search for a
buffer large enough to print the output.

themperek/iverilog,themperek/iverilog,CastMi/iverilog,CastMi/iverilog,themperek/iverilog,CastMi/iverilog