core: fix static tests warnings

Author: krzysztof-cabaj

core/include/cond.h

@@ -1,4 +1,5 @@
 /*
+ * SPDX-FileCopyrightText: 2018 Sam Kumar
  * SPDX-License-Identifier: LGPL-2.1-only
  */
 

core/lib/include/bitarithm.h

@@ -173,15 +173,15 @@ static inline uint8_t bitarithm_clzb(uint8_t x)
 {
 #if defined(BITARITHM_HAS_CLZ)
     /* clz operates on `unsigned int`, so `x` will be promoted to the size
-       of an `unsigned int` */
+     *  of an `unsigned int` */
     return __builtin_clz(x) - 8 * (sizeof(unsigned) - 1);
 #else
-    uint8_t l = 0;
+    uint8_t number = 0;
     while (!(x & 0x80)) {
-        ++l;
+        ++number;
         x <<= 1;
     }
-    return l;
+    return number;
 #endif
 }
 

core/lib/include/log.h

@@ -86,13 +86,19 @@ enum {
  */
 #ifdef __clang__    /* following pragmas required for clang 3.8.0 */
 #define LOG(level, ...) do { \
-        _Pragma("clang diagnostic push") \
-        _Pragma("clang diagnostic ignored \"-Wtautological-compare\"") \
-        if ((level) <= LOG_LEVEL) LOG_WRITE((level), __VA_ARGS__); } while (0U) \
+            _Pragma("clang diagnostic push") \
+            _Pragma("clang diagnostic ignored \"-Wtautological-compare\"") \
+            if ((level) <= LOG_LEVEL) { \
+                LOG_WRITE((level), __VA_ARGS__); \
+            } \
+        } while (0U) \
         _Pragma("clang diagnostic pop")
 #else
 #define LOG(level, ...) do { \
-        if ((level) <= LOG_LEVEL) LOG_WRITE((level), __VA_ARGS__); } while (0U)
+            if ((level) <= LOG_LEVEL) { \
+                LOG_WRITE((level), __VA_ARGS__); \
+            } \
+        } while (0U)
 #endif /* __clang__ */
 
 /**