mirror of https://github.com/macssh/macssh.git
77 lines
1.9 KiB
C
Executable File
77 lines
1.9 KiB
C
Executable File
/* urandom.h -- define urandom returning a full unsigned long random value.
|
|
|
|
Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
The GNU MP 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 MP 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 MP 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. */
|
|
|
|
#if defined (__hpux) || defined (__svr4__) || defined (__SVR4)
|
|
/* HPUX lacks random(). */
|
|
static inline mp_limb_t
|
|
urandom ()
|
|
{
|
|
return mrand48 ();
|
|
}
|
|
#define __URANDOM
|
|
#endif
|
|
|
|
#if defined (__alpha) && !defined (__URANDOM)
|
|
/* DEC OSF/1 1.2 random() returns a double. */
|
|
long mrand48 ();
|
|
static inline mp_limb_t
|
|
urandom ()
|
|
{
|
|
return mrand48 () | (mrand48 () << 32);
|
|
}
|
|
#define __URANDOM
|
|
#endif
|
|
|
|
#if BITS_PER_MP_LIMB == 32 && !defined (__URANDOM)
|
|
#if defined (__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
long random ();
|
|
#if defined (__cplusplus)
|
|
}
|
|
#endif
|
|
static inline mp_limb_t
|
|
urandom ()
|
|
{
|
|
/* random() returns 31 bits, we want 32. */
|
|
return random () ^ (random () << 1);
|
|
}
|
|
#define __URANDOM
|
|
#endif
|
|
|
|
#if BITS_PER_MP_LIMB == 64 && !defined (__URANDOM)
|
|
#if defined (__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
long random ();
|
|
#if defined (__cplusplus)
|
|
}
|
|
#endif
|
|
static inline mp_limb_t
|
|
urandom ()
|
|
{
|
|
/* random() returns 31 bits, we want 64. */
|
|
return random () ^ ((mp_limb_t) random () << 31) ^ ((mp_limb_t) random () << 62);
|
|
}
|
|
#define __URANDOM
|
|
#endif
|
|
|