#define __location__ __FILE__ ":" __LINESTR__
#endif
-/**
- * zero a structure
+/**
+ * Zero a structure.
*/
#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
-/**
- * zero a structure given a pointer to the structure
+/**
+ * Zero a structure given a pointer to the structure.
*/
#define ZERO_STRUCTP(x) do { if ((x) != NULL) memset((char *)(x), 0, sizeof(*(x))); } while(0)
-/**
- * zero a structure given a pointer to the structure - no zero check
+/**
+ * Zero a structure given a pointer to the structure - no zero check
*/
#define ZERO_STRUCTPN(x) memset((char *)(x), 0, sizeof(*(x)))
-/* zero an array - note that sizeof(array) must work - ie. it must not be a
- pointer */
+/**
+ * Zero an array - note that sizeof(array) must work - ie. it must not be a
+ * pointer
+ */
#define ZERO_ARRAY(x) memset((char *)(x), 0, sizeof(x))
/**
- * work out how many elements there are in a static array
+ * Work out how many elements there are in a static array.
*/
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
-/**
- * pointer difference macro
+/**
+ * Pointer difference macro
*/
#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))