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| author | Ulrich Drepper <drepper@redhat.com> | 2007-05-08 03:27:35 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-05-08 03:27:35 +0000 |
| commit | c306d807358c5ef73f7cd7d79e5f401c60892ca4 (patch) | |
| tree | 97e3f4e4985bb6f0ef8833f8639e1828ac408473 /string/strfry.c | |
| parent | 37f402350d24576e21f81a209e77705932f0181f (diff) | |
| download | glibc-c306d807358c5ef73f7cd7d79e5f401c60892ca4.zip glibc-c306d807358c5ef73f7cd7d79e5f401c60892ca4.tar.gz glibc-c306d807358c5ef73f7cd7d79e5f401c60892ca4.tar.bz2 | |
(strfry): Make result more random.
Diffstat (limited to 'string/strfry.c')
| -rw-r--r-- | string/strfry.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/string/strfry.c b/string/strfry.c index 112dd4a..a8b202d 100644 --- a/string/strfry.c +++ b/string/strfry.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1996, 1999, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1996, 1999, 2002, 2007 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 @@ -37,16 +37,14 @@ strfry (char *string) init = 1; } - len = strlen (string); + len = strlen (string) - 1; for (i = 0; i < len; ++i) { int32_t j; - char c; - __random_r (&rdata, &j); - j %= len; + j = j % len + 1; - c = string[i]; + char c = string[i]; string[i] = string[j]; string[j] = c; } |