Add support machinery for ARM hosts.

[catacomb] / symm / rc4.c

diff --git a/symm/rc4.c b/symm/rc4.c
index 0d02062..38f0097 100644 (file)
--- a/symm/rc4.c
+++ b/symm/rc4.c
@@ -122,7 +122,7 @@ void rc4_encrypt(rc4_ctx *ctx, const void *src, void *dest, size_t sz)
   octet *d = dest;
 
   if (!d)
-    RC4_OPEN(ctx, while (sz) { unsigned x; RC4_BYTE(x); sz--; });
+    RC4_OPEN(ctx, while (sz) { unsigned x; RC4_BYTE(x); (void)x; sz--; });
   else if (!s)
     RC4_OPEN(ctx, while (sz) { RC4_BYTE(*d++); sz--; });
   else
@@ -277,8 +277,8 @@ static const grand_ops grops = {
  *
  * Returns:    Pointer to generic random number generator interface.
  *
- * Use:                Creates a random number interface wrapper around an
- *             OFB-mode block cipher.
+ * Use:                Creates a random number interface wrapper around the RC4
+ *             stream cipher.
  */
 
 grand *rc4_rand(const void *k, size_t sz)