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interp: an undefined named parameter in a sub definition reads as zero #4725

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Merged
grandixximo merged 1 commit into from
Oct 26, 2026
Merged

interp: an undefined named parameter in a sub definition reads as zero #4725

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4 changes: 3 additions & 1 deletion src/emc/rs274ngc/interp_namedparams.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -184,8 +184,10 @@ int Interp::read_named_parameter(
} else {
// do not require named parameters to be defined during a
// subroutine definition:
if (_setup.defining_sub)
if (_setup.defining_sub) {
*double_ptr = 0.0;
return INTERP_OK;
}

logNP("%s: referencing undefined named parameter '%s' level=%d",
name, paramNameBuf, (paramNameBuf[0] == '_') ? 0 : _setup.call_level);
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