resolv: make res_randomid use random_bits()

It is at least "more random" than 0xffff & __getpid ();

Signed-off-by: Cristian Rodríguez <crrodriguez@opensuse.org>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

diff --git a/resolv/res_randomid.c b/resolv/res_randomid.c
index 546daf4c8b7574c3f5e0add84ac0424a6b0c7876..366429c9f4c0ea697ff34be2148f6508170c4d37 100644 (file)
--- a/resolv/res_randomid.c
+++ b/resolv/res_randomid.c
@@ -84,9 +84,10 @@
 
 #include <resolv.h>
 #include <unistd.h>
+#include <random-bits.h>
 
 unsigned int
 res_randomid (void) {
-  return 0xffff & __getpid ();
+  return 0xffff & random_bits ();
 }
 libc_hidden_def (__res_randomid)