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Update getentropy() code from OpenBSD

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Includes changes to handle the Linux syscall blocking when there is not
enough entropy during boot, by switching it to non-blocking mode and
falling back to the alternative implementations. Man page URL reference
fixes. Build fixes for Mac OS X.

Fixes: https://bugs.debian.org/898088
This commit is contained in:
Guillem Jover
2018-05-15 00:41:26 +02:00
parent 993828d84e
commit e42381dc51
7 changed files with 36 additions and 22 deletions
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4
src/getentropy_bsd.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: getentropy_freebsd.c,v 1.1 2014/11/03 06:23:30 bcook Exp $ */
/* $OpenBSD: getentropy_freebsd.c,v 1.3 2016/08/07 03:27:21 tb Exp $ */
/*
* Copyright (c) 2014 Pawel Jakub Dawidek <pjd@FreeBSD.org>
@@ -17,7 +17,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Emulation of getentropy(2) as documented at:
* http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/getentropy.2
* http://man.openbsd.org/getentropy.2
*/
#include <sys/types.h>