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- /* 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;
- }
-