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#ifndef MACROS_H
#define MACROS_H
#include "simtypes.h"
// XXX Workaround: Old GCCs choke on type check.
#if defined __cplusplus && (!defined __GNUC__ || GCC_ATLEAST(3, 0))
// Ensures that the argument has array type.
template <typename T, unsigned N> static inline void lengthof_check(T (&)[N]) {}
# define lengthof(x) (1 ? sizeof(x) / sizeof(*(x)) : (lengthof_check((x)), 0))
#else
# define lengthof(x) (sizeof(x) / sizeof(*(x)))
#endif
#define endof(x) ((x) + lengthof(x))
#define QUOTEME_(x) #x
#define QUOTEME(x) QUOTEME_(x)
#define MEMZERON(ptr, n) memset((ptr), 0, sizeof(*(ptr)) * (n))
#define MEMZERO(obj) MEMZERON(&(obj), 1)
// make sure, a value in within the borders
static inline int clamp(int x, int min, int max)
{
if (x <= min) {
return min;
}
if (x >= max) {
return max;
}
return x;
}
#ifdef __cplusplus
namespace sim {
template<class T> inline void swap(T& a, T& b)
{
T t = a;
a = b;
b = t;
}
// XXX Workaround for GCC 2.95
template<typename T> static inline T up_cast(T x) { return x; }
}
#endif
#endif
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