Turn ROTR macro into inline function

Signed-off-by: Constanza Heath <[email protected]>

Author: Constanza Heath

lib/hmac_prng.c

@@ -138,7 +138,7 @@ int32_t tc_hmac_prng_reseed (
       seedlen < MIN_SLEN ||
       seedlen > MAX_SLEN) {
     return TC_FAIL;
-  } 
+  }
 
   if (additional_input != (const uint8_t *) 0) {
     /* Abort if additional_input is provided but has inappropriate length */

lib/sha256.c

@@ -150,7 +150,9 @@ static const uint32_t k256[64] = {
   0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
 };
 
-#define ROTR(a,n) (((a) >> n) | ((a) << (32 - n)))
+static inline uint32_t ROTR (uint32_t a, uint32_t n) {
+  return (((a) >> n) | ((a) << (32 - n)));
+}
 
 #define Sigma0(a) (ROTR((a),2) ^ ROTR((a),13) ^ ROTR((a),22))
 #define Sigma1(a) (ROTR((a),6) ^ ROTR((a),11) ^ ROTR((a),25))