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/// \file utils/defs.hpp
///
/// Definitions for compiler and system features autodetected at configuration
/// time.

#if !defined(UTILS_DEFS_HPP)
#define UTILS_DEFS_HPP


/// Attribute to mark a function as non-returning.
#define UTILS_NORETURN @ATTRIBUTE_NORETURN@


/// Attribute to mark a function as pure.
#define UTILS_PURE @ATTRIBUTE_PURE@


/// Attribute to mark an entity as unused.
#define UTILS_UNUSED @ATTRIBUTE_UNUSED@


/// Unconstifies a pointer.
///
/// \param type The target type of the conversion.
/// \param ptr The pointer to be unconstified.
#define UTILS_UNCONST(type, ptr) ((type*)(unsigned long)(const void*)(ptr))


/// Macro to mark a parameter as unused.
///
/// This macro has to be called on the name of a parameter during the
/// definition (not declaration) of a function.  When doing so, it declares
/// the parameter as unused to silence compiler warnings and also renames
/// the parameter by prefixing "unused_" to it.  This is to ensure that the
/// developer remembers to remove the call to this macro from the parameter
/// when he actually starts using it.
///
/// \param name The name of the function parameter to mark as unused.
#define UTILS_UNUSED_PARAM(name) unused_ ## name UTILS_UNUSED


#endif  // !defined(UTILS_DEFS_HPP)