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authorUlrich Drepper <drepper@redhat.com>1996-12-04 01:41:39 +0000
committerUlrich Drepper <drepper@redhat.com>1996-12-04 01:41:39 +0000
commit4770745624b7f7f25623f1f10d46a4c4d6aec25c (patch)
tree0b278b62f5486313ca69360800755575487fb0f8 /string/strfry.c
parentd88554f033adab5d22b9860fc36bc3cb37f39b02 (diff)
downloadglibc-4770745624b7f7f25623f1f10d46a4c4d6aec25c.tar.gz
update from main archive 961203
Tue Dec 3 08:38:15 1996 Richard Henderson <rth@tamu.edu> * sysdeps/unix/alpha/sysdep.S: Remove definition of __errno_location. Reformat copyright. * elf/rtld.c (_dl_start): Don't dereference the value returned by elf_machine_got to get _DYNAMIC, instead call new function elf_machine_dynamic. * sysdeps/alpha/dl-machine.h: Permute elf_machine_got to elf_machine_dynamic. Reformat copyright. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/m68k/dl-machine.h: Likewise. * sysdeps/mips/dl-machine.h: Likewise. * sysdeps/sparc/dl-machine.h: Likewise. * sysdeps/stub/dl-machine.h: Likewise. Tue Oct 15 23:46:00 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * MakeTAGS (sysdep_dirs): Include add-on sysdep directories. Tue Dec 3 02:06:18 1996 Ulrich Drepper <drepper@cygnus.com> * Makerules ($(libdir)/libc.so): Make first line of generated link script contain `/* GNU ld script'. This will be used in ldconfig to check for linker scripts. * sysdeps/mach/hurd/libc-ldscript: Likewise. * sysdeps/mach/hurd/libc_p-ldscript: Likewise. * stdlib/getsubopt.c: Update copyright. Correct typo in comment.
Diffstat (limited to 'string/strfry.c')
-rw-r--r--string/strfry.c45
1 files changed, 26 insertions, 19 deletions
diff --git a/string/strfry.c b/string/strfry.c
index c885f66c68..98aa71aa3f 100644
--- a/string/strfry.c
+++ b/string/strfry.c
@@ -1,43 +1,50 @@
-/* Copyright (C) 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1992, 1996 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 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.
+ 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. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
char *
-DEFUN(strfry, (string), char *string)
+strfry (char *string)
{
static int init = 0;
+ static struct random_data rdata;
size_t len, i;
if (!init)
{
- srand (time ((time_t *) NULL));
+ static int state[8] = { 1, 2, 3, 4, 5, 6, 7, 8 };
+ rdata.state = NULL;
+ __initstate_r (time ((time_t *) NULL), state, 8, &rdata);
init = 1;
}
len = strlen (string);
for (i = 0; i < len; ++i)
{
- size_t j = rand () % len;
- char c = string[i];
+ int32_t j;
+ char c;
+
+ __random_r (&rdata, &j);
+ j %= len;
+
+ c = string[i];
string[i] = string[j];
string[j] = c;
}