Squashed 'features/frameworks/nanostack-libservice/' changes from 5eb2f3f..bb56e37

bb56e37 Merge pull request #76 from ARMmbed/compiler_warning_fixes
a7b0de2 common_functions: remove use of "byte" as variable name
fb84db0 ns_types.h: fix the GCC warning with "-Wundef" and missing __STDC_VER

git-subtree-dir: features/frameworks/nanostack-libservice
git-subtree-split: bb56e375bab77aa49dbddd4abb53b6832043aa99

Author: Arto Kinnunen

mbed-client-libservice/common_functions.h

@@ -186,31 +186,31 @@ NS_INLINE uint16_t common_read_16_bit_inverse(const uint8_t data_buf[__static 2]
 /*
  * Count bits in a byte
  *
- * \param byte byte to inspect
+ * \param value byte to inspect
  *
  * \return number of 1-bits in byte
  */
-NS_INLINE uint_fast8_t common_count_bits(uint8_t byte);
+NS_INLINE uint_fast8_t common_count_bits(uint8_t value);
 
 /*
  * Count leading zeros in a byte
  *
  * \deprecated Use common_count_leading_zeros_8
  *
- * \param byte byte to inspect
+ * \param value byte to inspect
  *
  * \return number of leading zeros in byte (0-8)
  */
-NS_INLINE uint_fast8_t common_count_leading_zeros(uint8_t byte);
+NS_INLINE uint_fast8_t common_count_leading_zeros(uint8_t value);
 
 /*
  * Count leading zeros in a byte
  *
- * \param byte byte to inspect
+ * \param value byte to inspect
  *
  * \return number of leading zeros in byte (0-8)
  */
-NS_INLINE uint_fast8_t common_count_leading_zeros_8(uint8_t byte);
+NS_INLINE uint_fast8_t common_count_leading_zeros_8(uint8_t value);
 
 /*
  * Count leading zeros in a 16-bit value
@@ -490,43 +490,43 @@ COMMON_FUNCTIONS_FN uint16_t common_read_16_bit_inverse(const uint8_t data_buf[_
     return temp_16;
 }
 
-COMMON_FUNCTIONS_FN uint_fast8_t common_count_bits(uint8_t byte)
+COMMON_FUNCTIONS_FN uint_fast8_t common_count_bits(uint8_t value)
 {
     /* First step sets each bit pair to be count of bits (00,01,10) */
     /* [00-00 = 00, 01-00 = 01, 10-01 = 01, 11-01 = 10] */
-    uint_fast8_t count = byte - ((byte >> 1) & 0x55);
+    uint_fast8_t count = value - ((value >> 1) & 0x55);
     /* Add bit pairs to make each nibble contain count of bits (0-4) */
     count = (count & 0x33) + ((count >> 2) & 0x33);
     /* Final result is sum of nibbles (0-8) */
     count = (count >> 4) + (count & 0x0F);
     return count;
 }
 
-COMMON_FUNCTIONS_FN uint_fast8_t common_count_leading_zeros(uint8_t byte)
+COMMON_FUNCTIONS_FN uint_fast8_t common_count_leading_zeros(uint8_t value)
 {
-    return common_count_leading_zeros_8(byte);
+    return common_count_leading_zeros_8(value);
 }
 
-COMMON_FUNCTIONS_FN uint_fast8_t common_count_leading_zeros_8(uint8_t byte)
+COMMON_FUNCTIONS_FN uint_fast8_t common_count_leading_zeros_8(uint8_t value)
 {
 #ifdef  __CC_ARM
-    return byte ? __clz((unsigned int) byte << 24) : 8;
+    return value ? __clz((unsigned int) value << 24) : 8;
 #elif defined __GNUC__
-    return byte ? __builtin_clz((unsigned int) byte << 24) : 8;
+    return value ? __builtin_clz((unsigned int) value << 24) : 8;
 #else
     uint_fast8_t cnt = 0;
-    if (byte == 0) {
+    if (value == 0) {
         return 8;
     }
-    if ((byte & 0xF0) == 0) {
-        byte <<= 4;
+    if ((value & 0xF0) == 0) {
+        value <<= 4;
         cnt += 4;
     }
-    if ((byte & 0xC0) == 0) {
-        byte <<= 2;
+    if ((value & 0xC0) == 0) {
+        value <<= 2;
         cnt += 2;
     }
-    if ((byte & 0x80) == 0) {
+    if ((value & 0x80) == 0) {
         cnt += 1;
     }
 

mbed-client-libservice/ns_types.h

@@ -120,7 +120,7 @@ typedef int_fast32_t int_fast24_t;
 #if defined __CC_ARM || defined __TASKING__
 #define alignas(n) __align(n)
 #define __alignas_is_defined 1
-#elif (__STDC_VERSION__ >= 201112L) || (defined __cplusplus && __cplusplus >= 201103L)
+#elif (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L) || (defined __cplusplus && __cplusplus >= 201103L)
 #include <stdalign.h>
 #elif defined __GNUC__
 #define alignas(n) __attribute__((__aligned__(n)))