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Sebastian Huber f74cf1350e Add arc4random() etc. from OpenBSD 5.8 
According to the OpenBSD man page, "A Replacement Call for Random".  It
offers high quality random numbers derived from input data obtained by
the OpenBSD specific getentropy() system call which is declared in
<unistd.h> and must be implemented for each Newlib port externally.  The
arc4random() functions are used for example in LibreSSL and OpenSSH.

Cygwin provides currently its own implementation of the arc4random
family.  Maybe it makes sense to use this getentropy() implementation:

http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libcrypto/crypto/getentropy_win.c?rev=1.4&content-type=text/x-cvsweb-markup

	* libc/include/stdlib.h (arc4random): Declare if __BSD_VISIBLE.
	(arc4random_buf): Likewise.
	(arc4random_uniform): Likewise.
	* libc/include/sys/unistd.h (getentropy): Likewise.
	* libc/include/machine/_arc4random.h: New file.
	* libc/stdlib/arc4random.c: Likewise.
	* libc/stdlib/arc4random.h: Likewise.
	* libc/stdlib/arc4random_uniform.c: Likewise.
	* libc/stdlib/chacha_private.h: Likewise.
	* libc/sys/rtems/include/machine/_arc4random.h: Likewise.
	* libc/stdlib/Makefile.am (EXTENDED_SOURCES): Add arc4random.c
	and arc4random_uniform.c.
	* libc/stdlib/Makefile.in: Regenerate.
 		2016-03-18 12:33:41 +01:00
..
Makefile.am Add arc4random() etc. from OpenBSD 5.8 2016-03-18 12:33:41 +01:00
Makefile.in Add arc4random() etc. from OpenBSD 5.8 2016-03-18 12:33:41 +01:00
_Exit.c 2002-06-13 Jeff Johnston <jjohnstn@redhat.com> 2002-06-13 23:24:03 +00:00
__adjust.c import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
__atexit.c Fix atexit logic to honor _ATEXIT_DYNAMIC_ALLOC setting. 2015-12-21 11:53:14 -05:00
__call_atexit.c 2013-05-07 Sebastian Huber <sebastian.huber@embedded-brains.de> 2013-05-08 23:13:51 +00:00
__exp10.c 2008-12-11 Craig Howland <howland@LGSInnovations.com> 2008-12-11 17:27:56 +00:00
__ten_mu.c 2008-12-11 Craig Howland <howland@LGSInnovations.com> 2008-12-11 17:27:56 +00:00
a64l.c 2009-07-29 Jeff Johnston <jjohnstn@redhat.com> 2009-07-29 22:33:40 +00:00
abort.c 2000-08-23 Werner Almesberger <Werner.Almesberger@epfl.ch> 2000-08-24 18:51:09 +00:00
abs.c import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
aligned_alloc.c C11 aligned_alloc() implementation 2015-10-19 14:10:33 +02:00
arc4random.c Add arc4random() etc. from OpenBSD 5.8 2016-03-18 12:33:41 +01:00
arc4random.h Add arc4random() etc. from OpenBSD 5.8 2016-03-18 12:33:41 +01:00
arc4random_uniform.c Add arc4random() etc. from OpenBSD 5.8 2016-03-18 12:33:41 +01:00
assert.c 2009-10-08 Jeff Johnston <jjohnstn@redhat.com> 2009-10-08 16:44:10 +00:00
atexit.c 2009-12-17 Jerker Back <jerker.back@gmail.com> 2009-12-17 19:43:43 +00:00
atexit.h 2004-09-09 Paul Brook <paul@codesourcery.com> 2004-09-09 19:46:54 +00:00
atof.c 2003-10-20 Bob Wilson <bob.wilson@acm.org> 2003-10-20 18:46:38 +00:00
atoff.c 2002-12-06 Jeff Johnston <jjohnstn@redhat.com> 2002-12-06 18:58:51 +00:00
atoi.c 2003-11-27 Jeff Johnston <jjohnstn@redhat.com> 2003-11-27 20:54:12 +00:00
atol.c 2003-11-27 Jeff Johnston <jjohnstn@redhat.com> 2003-11-27 20:15:47 +00:00
atoll.c 2003-11-27 Jeff Johnston <jjohnstn@redhat.com> 2003-11-27 20:15:47 +00:00
btowc.c * libc/stdlib/btowc.c (btowc): Cast to avoid compiler warning. 2012-08-10 15:21:57 +00:00
calloc.c 2008-10-31 Jeff Johnston <jjohnstn@redhat.com> 2008-10-31 21:08:03 +00:00
chacha_private.h Add arc4random() etc. from OpenBSD 5.8 2016-03-18 12:33:41 +01:00
cxa_atexit.c Add static instance of _on_exit_args for _REENT_SMALL platforms. 2015-12-21 11:49:28 -05:00
cxa_finalize.c 2004-09-15 Jeff Johnston <jjohnstn@redhat.com> 2004-09-15 20:50:08 +00:00
div.c 2003-10-20 Bob Wilson <bob.wilson@acm.org> 2003-10-20 18:46:38 +00:00
drand48.c * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
dtoa.c 2006-08-03 J"orn Rennecke <joern.rennecke@st.com> 2006-08-03 16:56:05 +00:00
dtoastub.c 2009-12-03 Craig Howland <howland@LGSInnovations.com> 2009-12-03 16:11:27 +00:00
ecvtbuf.c 2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de> 2013-04-29 21:06:23 +00:00
efgcvt.c Feature test macros overhaul: stdlib.h 2016-03-17 21:09:06 -05:00
environ.c 2002-12-20 Jeff Johnston <jjohnstn@redhat.com> 2002-12-20 21:07:56 +00:00
envlock.c 2008-10-31 Jeff Johnston <jjohnstn@redhat.com> 2008-10-31 21:08:03 +00:00
eprintf.c import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
erand48.c 2001-02-14 Kazuhiro Fujieda <fujieda@jaist.ac.jp> 2001-02-15 02:04:55 +00:00
exit.c 2013-07-02 Joey Ye <joey.ye@arm.com> 2013-07-02 21:30:57 +00:00
gd_qnan.h 2014-03-21 Maciej W. Rozycki <macro@codesourcery.com> 2014-03-21 21:27:29 +00:00
gdtoa-gethex.c * libc/stdlib/gdtoa-gethex.c (__hexdig): Constify. 2013-06-10 15:27:43 +00:00
gdtoa-hexnan.c Make match function globally available to stdlib functions. 2015-11-20 18:03:05 +01:00
gdtoa.h Import correctly working strtold from David M. Gay. 2015-11-20 18:14:58 +01:00
getenv.c * libm/math/ef_sqrt.c: Delete unused variable sign. 2010-03-05 08:55:16 +00:00
getenv_r.c * libm/math/ef_sqrt.c: Delete unused variable sign. 2010-03-05 08:55:16 +00:00
getopt.c * newlib/libc/stdlib/getopt.c (getopt_internal): Add missing braces. 2013-11-13 20:04:18 +00:00
getsubopt.3 * libc/argz/argz_replace.c: Include buf_findstr.h. 2002-07-19 20:36:09 +00:00
getsubopt.c * libc/argz/argz_replace.c: Include buf_findstr.h. 2002-07-19 20:36:09 +00:00
itoa.c Fix some mangled makedoc markup 2015-06-23 16:14:53 +01:00
jrand48.c 2001-02-14 Kazuhiro Fujieda <fujieda@jaist.ac.jp> 2001-02-15 02:04:55 +00:00
l64a.c 2002-05-06 Jeff Johnston <jjohnstn@redhat.com> 2002-05-06 20:44:54 +00:00
labs.c import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
lcong48.c * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
ldiv.c 2003-10-20 Bob Wilson <bob.wilson@acm.org> 2003-10-20 18:46:38 +00:00
ldtoa.c Import correctly working strtold from David M. Gay. 2015-11-20 18:14:58 +01:00
llabs.c Fix SYNOPSIS prototypes without marked up parameter names 2015-06-23 17:30:22 +01:00
lldiv.c 2003-11-27 Artem B. Bityuckiy <mail_lists@mail.ru> 2003-11-27 19:47:19 +00:00
local.h 2009-08-25 Andy Koppe <andy.koppe@gmail.com> 2009-08-25 18:47:24 +00:00
lrand48.c * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
malign.c * libc/stdlib/malign.c: Don't compile if MALLOC_PROVIDED. 2002-11-13 01:20:31 +00:00
malloc.c 2008-11-19 Jeff Johnston <jjohnstn@redhat.com> 2008-11-19 20:56:22 +00:00
mallocr.c 2010-05-31 Kazu Hirata <kazu@codesourcery.com> 2010-05-31 19:15:41 +00:00
mbctype.h * libc/stdlib/mbctype.h (_iseucjp1): Like _iseucjp, but also 2009-04-09 08:20:10 +00:00
mblen.c 2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de> 2013-04-29 21:06:23 +00:00
mblen_r.c * libc/stdio/vfprintf.c: Include ../stdlib/local.h. Replace call to 2009-11-18 09:49:57 +00:00
mbrlen.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
mbrtowc.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
mbsinit.c * libc/stdlib/mbrlen.c: Change include order to prevent compiler errors when 2003-12-05 06:13:44 +00:00
mbsnrtowcs.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
mbsrtowcs.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
mbstowcs.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
mbstowcs_r.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
mbtowc.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
mbtowc_r.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
mlock.c 2005-10-28 Bob Wilson <bob.wilson@acm.org> 2005-10-28 21:21:08 +00:00
mprec.c Use NetBSD fix for CVE-2009-0689 security vulnerability. 2009-11-23 17:02:20 +00:00
mprec.h Import correctly working strtold from David M. Gay. 2015-11-20 18:14:58 +01:00
mrand48.c * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
msize.c * libc/stdlib/malign.c: Don't compile if MALLOC_PROVIDED. 2002-11-13 01:20:31 +00:00
mstats.c 2005-10-28 Bob Wilson <bob.wilson@acm.org> 2005-10-28 21:21:08 +00:00
mtrim.c * libc/stdlib/malign.c: Don't compile if MALLOC_PROVIDED. 2002-11-13 01:20:31 +00:00
nano-mallocr.c Newlib build is broken if configured with nano-malloc and non-reentrant system calls 2016-02-08 10:33:07 +01:00
nrand48.c 2001-02-14 Kazuhiro Fujieda <fujieda@jaist.ac.jp> 2001-02-15 02:04:55 +00:00
on_exit.c Add static instance of _on_exit_args for _REENT_SMALL platforms. 2015-12-21 11:49:28 -05:00
on_exit_args.c Add static instance of _on_exit_args for _REENT_SMALL platforms. 2015-12-21 11:49:28 -05:00
on_exit_args.h Add static instance of _on_exit_args for _REENT_SMALL platforms. 2015-12-21 11:49:28 -05:00
putenv.c 2004-11-24 Jeff Johnston <jjohnstn@redhat.com> 2004-11-24 22:34:15 +00:00
putenv_r.c 2011-08-23 Ralf Corsépius <ralf.corsepius@rtems.org> 2011-08-23 12:03:55 +00:00
quick_exit.c Fix compile with GCC 5 -Werror 2016-02-12 10:16:06 -06:00
rand.c 2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de> 2013-04-29 21:06:23 +00:00
rand48.c 2005-10-28 Bob Wilson <bob.wilson@acm.org> 2005-10-28 21:21:08 +00:00
rand48.h * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
rand_r.c Thu Jun 8 17:54:00 2000 Jeff Johnston <jjohnstn@cygnus.com> 2000-06-08 21:56:18 +00:00
realloc.c import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
reallocf.c 2008-11-19 Jeff Johnston <jjohnstn@redhat.com> 2008-11-19 20:56:22 +00:00
rpmatch.c Fix rpmatch build problem 2015-11-19 16:31:08 +01:00
sb_charsets.c * libc/ctype/ctype_cp.h (_CTYPE_GEORGIAN_PS_128_254): Define. 2010-02-06 18:28:33 +00:00
seed48.c * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
setenv.c 2008-09-24 Pawel Veselov <pawel.veselov@gmail.com> 2008-09-25 01:23:08 +00:00
setenv_r.c Move tzset calls to time functions. 2015-04-23 21:57:08 +02:00
srand48.c * implement a new `struct _reent' that is significantly smaller. use this 2002-02-03 09:24:18 +00:00
std.h 2008-12-11 Craig Howland <howland@LGSInnovations.com> 2008-12-11 17:27:56 +00:00
stdlib.tex Fix typo in rpmatch doc reference 2015-11-19 15:28:06 -06:00
strtod.c Make match function globally available to stdlib functions. 2015-11-20 18:03:05 +01:00
strtodg.c Only build _strtodg_r on targets supporting a distinct long double type 2015-11-26 10:13:53 +01:00
strtol.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
strtold.c Fix compile with GCC 5 -Werror 2016-02-12 10:16:06 -06:00
strtoll.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
strtoll_r.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
strtorx.c libc/stdlib/strtorx.c: Fix ifdef to check _LDBL_EQ_DBL. 2015-11-24 13:59:31 -08:00
strtoul.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
strtoull.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
strtoull_r.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
system.c 2008-12-11 Craig Howland <howland@LGSInnovations.com> 2008-12-11 17:27:56 +00:00
utoa.c * libc/include/stdlib.h (__itoa): Declare prototype. 2014-12-16 10:55:17 +00:00
valloc.c * libc/stdlib/malign.c: Don't compile if MALLOC_PROVIDED. 2002-11-13 01:20:31 +00:00
wcrtomb.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcsnrtombs.c Fix some mangled makedoc markup 2015-06-23 16:14:53 +01:00
wcsrtombs.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcstod.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcstol.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcstold.c Drop unused declaration from wcstold.c 2015-11-20 17:57:20 +01:00
wcstoll.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcstoll_r.c * libc/include/wchar.h: Declare wcstol, wcstoll, wcstoul, 2007-07-06 20:03:28 +00:00
wcstombs.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
wcstombs_r.c 2013-11-18 Sahil Patnayakuni <sahilp@oarcorp.com> 2013-11-18 17:26:52 +00:00
wcstoul.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcstoull.c 2013-11-26 Julio Gutierrez <jgutleyva@gmail.com> 2013-11-26 17:21:01 +00:00
wcstoull_r.c 2008-11-24 Craig Howland <howland@LGSInnovations.com> 2008-11-24 21:27:33 +00:00
wctob.c 2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de> 2013-04-29 21:06:23 +00:00
wctomb.c 2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de> 2013-04-29 21:06:23 +00:00
wctomb_r.c Fix UTF-16 surrogate handling in wctomb and friends. 2015-04-23 21:57:09 +02:00