My intention is to switch after an !TCL_OK return value from Tcl_EvalEx() to decide whether a TCL-related error has happend, or some POSIX system
call error (the cmd called is a "create-socket" call).
// pseudo code
Tcl_SetErrno(0); // not sure if that reset is necessary
if (TCL_OK != Tcl_EvalEx(interp, cmd_str, cmd_size, TCL_EVAL_GLOBAL)) {
// right now I'm doing:
if (0 != Tcl_GetErrno()) {
// assume POSIX error
} else {
// assume TCL script level error
}
}
Short of Tcl_ObjGetVar2("errorCode") and looking at the first element of
the returned list being "POSIX" in case of an error, is there a better way?
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