Author: markj
Date: Wed Oct 4 17:29:08 2017
New Revision: 324285
URL: https://svnweb.freebsd.org/changeset/base/324285
Log:
Add get_random_{int,long} to the LinuxKPI.
Fix some whitespace bugs while here.
Reviewed by: hselasky
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D12588
Modified:
head/sys/compat/linuxkpi/common/include/linux/random.h
Modified: head/sys/compat/linuxkpi/common/include/linux/random.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/random.h Wed Oct 4
16:35:58 2017 (r324284)
+++ head/sys/compat/linuxkpi/common/include/linux/random.h Wed Oct 4
17:29:08 2017 (r324285)
@@ -28,7 +28,8 @@
*
* $FreeBSD$
*/
-#ifndef _LINUX_RANDOM_H_
+
+#ifndef _LINUX_RANDOM_H_
#define _LINUX_RANDOM_H_
#include <sys/random.h>
@@ -37,8 +38,27 @@
static inline void
get_random_bytes(void *buf, int nbytes)
{
+
if (read_random(buf, nbytes) == 0)
arc4rand(buf, nbytes, 0);
}
-#endif /* _LINUX_RANDOM_H_ */
+static inline u_int
+get_random_int(void)
+{
+ u_int val;
+
+ get_random_bytes(&val, sizeof(val));
+ return (val);
+}
+
+static inline u_long
+get_random_long(void)
+{
+ u_long val;
+
+ get_random_bytes(&val, sizeof(val));
+ return (val);
+}
+
+#endif /* _LINUX_RANDOM_H_ */
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