include/randutils.h

   1 /*
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  */
   4 #ifndef UTIL_LINUX_RANDUTILS
   5 #define UTIL_LINUX_RANDUTILS
   6
   7 #ifdef HAVE_SRANDOM
   8 #define srand(x)        srandom(x)
   9 #define rand()          random()
  10 #endif
  11
  12 /* rand() based */
  13 extern int rand_get_number(int low_n, int high_n);
  14
  15 /* /dev/urandom based with fallback to rand() */
  16 extern int random_get_fd(void);
  17 extern int ul_random_get_bytes(void *buf, size_t nbytes);
  18 extern const char *random_tell_source(void);
  19
  20 #endif