glibc/stdlib/jrand48_r.c
Roland McGrath 600927014b Wed Sep 20 18:02:03 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* locale/locale.c: Include errno.h.
	* locale/localedef.c: Likewise.

Tue Sep 19 00:02:06 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* Makefile (distclean-1): Remove config.cache, config.log, config.h.
	(parent-mostlyclean): Remove all flavors of the parent library.

	* misc/mntent.c (getmntent): Skip multiple whitespace chars
	between fields.

	* hurd/hurdstartup.c (_hurd_startup): If RPC returns
	EXEC_STACK_ARGS flag, get args from stack.
	If args on stack but have info from RPC, relocate args on stack to make
	space for struct hurd_startup_data.

	* elf/dl-object.c: Include errno.h.
	* posix/execvp.c: Likewise.
	* dirent/scandir.c: Likewise.
	* sysdeps/posix/system.c: Likewise.
	* sysdeps/generic/setenv.c: Likewise.
	* stdlib/msort.c: Likewise.
	* stdio/memstream.c: Likewise.
	* stdio/fclose.c: Likewise.
	* stdio/getdelim.c: Likewise.
	* stdio/setvbuf.c: Likewise.
	* sysdeps/ieee754/ldexp.c: Likewise.
	* locale/locfile-parse.c: Likewise.

	* stdlib/lcong48_r.c: Don't check for null argument; let it fault.
	* stdlib/seed48_r.c: Likewise.
	* stdlib/srand48_r.c: Likewise.
	* stdlib/jrand48_r.c: Likewise.
	* stdlib/nrand48_r.c: Likewise.

	* misc/search.h: Many decls for hsearch functions.
1995-09-21 04:01:40 +00:00

43 lines
1.4 KiB
C

/* 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;
{
/* 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;
}