/*
+ * General utility functions for udp tunnel
+ */
+/*
+ * Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
+ * Copyright 1999,2003
+ * Chancellor Masters and Scholars of the University of Cambridge
+ * Copyright 2010 Tony Finch <fanf@dotat.at>
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with userv-utils; if not, see http://www.gnu.org/licenses/.
*/
#include <string.h>
}
}
-void get_random(void *ptr, size_t sz) {
- static FILE *randfile;
-
- size_t r;
-
- if (!randfile) {
- randfile= fopen("/dev/urandom","rb");
- if (!randfile && errno==ENOENT) randfile= fopen("/dev/random","rb");
- if (!randfile) sysfail("open random number generator");
- }
-
- r= fread(ptr,1,sz,randfile);
- if (r == sz) return;
- (ferror(randfile) ? sysfail : fail)("cannot read random number generator");
-}
-
const char *getarg_string(void) {
const char *arg;