include/linux-random.h

   1 #ifndef _SYS_LINUX_RANDOM_H
   2 #define _SYS_LINUX_RANDOM_H
   3
   4 #ifdef  __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <linux/random.h>
   9
  10 /* FIXME:
  11  * Should add support for blocking in the future to
  12  * ensure that proper entopy is collected.  ZFS doesn't
  13  * use it at the moment so this is good enough for now.
  14  * Always will succeed by returning 0.
  15  */
  16 static __inline__ int
  17 random_get_bytes(uint8_t *ptr, size_t len)
  18 {
  19         BUG_ON(len < 0);
  20         get_random_bytes((void *)ptr,(int)len);
  21         return 0;
  22 }
  23
  24  /* Always will succeed by returning 0. */
  25 static __inline__ int
  26 random_get_pseudo_bytes(uint8_t *ptr, size_t len)
  27 {
  28         BUG_ON(len < 0);
  29         get_random_bytes((void *)ptr,(int)len);
  30         return 0;
  31 }
  32
  33 #ifdef  __cplusplus
  34 }
  35 #endif
  36
  37 #endif  /* _SYS_LINUX_RANDOM_H */