/* Copyright (C) 1992 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <ansidecl.h> #include <string.h> #include <stdlib.h> #include <time.h> char * DEFUN(strfry, (string), char *string) { static int init = 0; size_t len, i; if (!init) { srand (time ((time_t *) NULL)); init = 1; } len = strlen (string); for (i = 0; i < len; ++i) { size_t j = rand () % len; char c = string[i]; string[i] = string[j]; string[j] = c; } return string; }