Merge pull request #18372 from benpicco/random_bytes-void

random: use void * in random_bytes()
RIOT-OS · Jul 27, 2022 · e1ef2a0 · e1ef2a0
2 parents 7ee1b58 + 1e69740
commit e1ef2a0
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/sys/include/random.h b/sys/include/random.h
@@ -82,7 +82,7 @@ uint32_t random_uint32(void);
 /**
  * @brief writes random bytes in the [0,0xff]-interval to memory
  */
-void random_bytes(uint8_t *buf, size_t size);
+void random_bytes(void *buf, size_t size);
 
 /**
  * @brief   generates a random number r with a <= r < b.

diff --git a/sys/random/random.c b/sys/random/random.c
@@ -60,9 +60,10 @@ void auto_init_random(void)
     random_init(seed);
 }
 
-void random_bytes(uint8_t *target, size_t n)
+void random_bytes(void *target, size_t n)
 {
     uint32_t random;
+    uint8_t *dst = target;
     uint8_t *random_pos = (uint8_t*)&random;
     unsigned _n = 0;
 
@@ -71,7 +72,7 @@ void random_bytes(uint8_t *target, size_t n)
             random = random_uint32();
             random_pos = (uint8_t *) &random;
         }
-        *target++ = *random_pos++;
+        *dst++ = *random_pos++;
     }
 }