I'm a C programmer so maybe this is a dumb question but, why does this code
in runtime/gostring.go allocate (rawstring) then copy data (memmove)
instead of just making the stringStruct.str point at the incoming data?
i.e. copy the pointer instead of allocating+copying data.
func gostring(p *byte) string {
l := findnull(p)
if l == 0 {
return ""
}
s, b := rawstring(l)
memmove(unsafe.Pointer(&b[0]), unsafe.Pointer(p), uintptr(l))
return s
}
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