func (sv *StringVar) Set(s string) {
if sv.data != nil {
C.Tcl_Free(sv.data)
}
sv.data = C.Tcl_Alloc(C.uint(len(s) + 1))
svslice := (*((*[alot]byte)(unsafe.Pointer(sv.data))))[:]
copy(svslice, s)
svslice[len(s)] = 0
cname := C.CString(sv.name)
C.Tcl_UpdateLinkedVar(sv.ir.C, cname)
C.free_string(cname)
}
func (ir *Interpreter) NewStringVar(name string) *StringVar {
sv := new(StringVar)
sv.ir = ir
sv.name = name
sv.data = C.Tcl_Alloc(1)
(*((*[alot]byte)(unsafe.Pointer(sv.data))))[0] = 0
cname := C.CString(name)
status := C.Tcl_LinkVar(ir.C, cname, (*C.char)(unsafe.Pointer(&sv.data)),
C.TCL_LINK_STRING)
C.free_string(cname)
if status != C.TCL_OK {
panic(C.GoString(C.Tcl_GetStringResult(ir.C)))
}
return sv
}