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-rw-r--r--stdlib/jrand48_r.c49
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diff --git a/stdlib/jrand48_r.c b/stdlib/jrand48_r.c
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+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+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., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <stdlib.h>
+
+int
+jrand48_r (xsubi, buffer, result)
+ unsigned short int xsubi[3];
+ struct drand48_data *buffer;
+ long *result;
+{
+ /* Be generous for the arguments, detect some errors. */
+ if (result == NULL)
+ {
+ errno = EFAULT;
+ return -1;
+ }
+
+ /* Compute next state. */
+ if (__drand48_iterate (xsubi, buffer) < 0)
+ return -1;
+
+ /* Store the result. */
+ if (sizeof (unsigned short int) == 2)
+ *result = (xsubi[2] & 0x7fff) | xsubi[1];
+ else
+ *result = xsubi[2] & 0x7fffffffl;
+
+ if (xsubi[2] & (1 << (sizeof (xsubi[2]) * 8 - 1)))
+ *result *= -1;
+
+ return 0;
+}