Micro-tweaking wipe().

src/vmod_gcrypt.c

@@ -752,23 +752,20 @@ wipe(void * const dst, size_t len, uint8_t val)
 	volatile uint8_t *p = (volatile uint8_t *)dst;
 
 	while (((uintptr_t)p & (sizeof(uint64_t)-1)) && len) {
-		*p = val;
-		p++;
+		*p++ = val;
 		len--;
 	}
 	if (len >= sizeof(uint64_t)) {
-		volatile uint64_t *p64;
+		volatile uint64_t *p64 = (volatile void *)p;
 		uint64_t val64 = (uint64_t)0x0101010101010101 * val;
 		do {
-			p64 = (volatile void *)p;
-			*p64 = val64;
-			p += sizeof(uint64_t);
+			*p64++ = val64;
 			len -= sizeof(uint64_t);
 		} while (len >= sizeof(uint64_t));
+		p = (volatile void *)p64;
 	}
 	while (len) {
-		*p = val;
-		p++;
+		*p++ = val;
 		len--;
 	}
 }