mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 22:00:08 +00:00
f17c2202e4
2005-02-09 Jakub Jelinek <jakub@redhat.com> [BZ #710] * stdlib/random_r.c (__initstate_r): Save old state. * stdlib/Makefile (tests): Add tst-random2. * stdlib/tst-random2.c: New test. Reported by Peter Bergner <bergner@vnet.ibm.com>. (s390-.*-.*, powerpc.*-.*-.*, sparc.*-.*-.*): Add WORDSIZE64 entries for these mapping back to the above.
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/* Test initstate saving the old state.
|
|
Copyright (C) 2005 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Jakub Jelinek <jakub@redhat.com>, 2005.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
int pass;
|
|
int ret = 0;
|
|
long int r[2];
|
|
|
|
for (pass = 0; pass < 2; pass++)
|
|
{
|
|
srandom (0x12344321);
|
|
|
|
int j;
|
|
for (j = 0; j < 3; ++j)
|
|
random ();
|
|
if (pass == 1)
|
|
{
|
|
char state[128];
|
|
char *ostate = initstate (0x34562101, state, 128);
|
|
if (setstate (ostate) != state)
|
|
{
|
|
puts ("setstate (ostate) != state");
|
|
ret = 1;
|
|
}
|
|
}
|
|
|
|
random ();
|
|
r[pass] = random ();
|
|
}
|
|
|
|
if (r[0] != r[1])
|
|
{
|
|
printf ("%ld != %ld\n", r[0], r[1]);
|
|
ret = 1;
|
|
}
|
|
return ret;
|
|
}
|