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authorMark Kettenis <kettenis@cvs.openbsd.org>2014-07-16 14:26:48 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2014-07-16 14:26:48 +0000
commitb9cce8c04435e21256de04a7d48c2825c79ad578 (patch)
tree94c06489c5483e33ddfc9e8a55f93113e48fba7c /lib
parentb1c537f49d02f982927eedc5bdc8f9be397cb508 (diff)
Only call getauxval(3) if HAVE_GETAUXVAL is defined. Fixes build on older
Linux (such as Ubuntu 12.04LTS) that don't have it yet. Seems the AT_XXX defines are pulled in by <link.h> now. ok beck@
Diffstat (limited to 'lib')
-rw-r--r--lib/libcrypto/arc4random/getentropy_linux.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libcrypto/arc4random/getentropy_linux.c b/lib/libcrypto/arc4random/getentropy_linux.c
index 40ea8a14adb..d5d36da1c5f 100644
--- a/lib/libcrypto/arc4random/getentropy_linux.c
+++ b/lib/libcrypto/arc4random/getentropy_linux.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: getentropy_linux.c,v 1.24 2014/07/13 13:37:38 deraadt Exp $ */
+/* $OpenBSD: getentropy_linux.c,v 1.25 2014/07/16 14:26:47 kettenis Exp $ */
/*
* Copyright (c) 2014 Theo de Raadt <deraadt@openbsd.org>
@@ -486,6 +486,7 @@ getentropy_fallback(void *buf, size_t len)
HD(cnt);
}
+#ifdef HAVE_GETAUXVAL
#ifdef AT_RANDOM
/* Not as random as you think but we take what we are given */
p = (char *) getauxval(AT_RANDOM);
@@ -502,6 +503,7 @@ getentropy_fallback(void *buf, size_t len)
if (p)
HD(p);
#endif
+#endif
SHA512_Final(results, &ctx);
memcpy((char *)buf + i, results, min(sizeof(results), len - i));