use more randomness (arc4random + srandomdev)

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10676 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/getarg.c

@@ -402,7 +402,11 @@ arg_match_long(struct getargs *args, size_t num_args,
 	    *flag = !negate;
 	    return 0;
 	} else if (*optarg && strcmp(optarg + 1, "maybe") == 0) {
+#ifdef HAVE_RANDOM
+	    *flag = random() & 1;
+#else
 	    *flag = rand() & 1;
+#endif
 	} else {
 	    *flag = negate;
 	    return 0;
@@ -517,7 +521,13 @@ getarg(struct getargs *args, size_t num_args,
     int i;
     int ret = 0;
 
+#if defined(HAVE_SRANDOMDEV)
+    srandomdev();
+#elif defined(HAVE_RANDOM)
+    srandom(time(NULL);
+#else
     srand (time(NULL));
+#endif
     (*optind)++;
     for(i = *optind; i < argc; i++) {
 	if(argv[i][0] != '-')