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#ifndef RXPUTIL_H
#define RXPUTIL_H
#define Vector(type, name) \
int name##_count, name##_alloc; \
type *name
#define VectorInit(v) \
(v##_count = v##_alloc = 0, v = 0)
#define VectorAlloc(v, n) \
(v##_alloc = n, \
(v = Realloc(v, v##_alloc * sizeof(*v))) ? 1 : 0)
#define VectorPush(v, value) \
((v##_count < v##_alloc || \
(v = VectorExtend(v))) ? \
(v[v##_count++] = (value), 1) : \
0)
#define VectorPushNothing(v) \
((v##_count < v##_alloc || \
(v = VectorExtend(v))) ? \
(v##_count++, 1) : \
0)
#define VectorPop(v) (v##_count--)
#define VectorLast(v) (v[v##_count-1])
#define VectorExtend(v) \
(v##_alloc = (v##_alloc == 0 ? 8 : v##_alloc * 2), \
Realloc(v, v##_alloc * sizeof(*v)))
#define VectorCount(v) v##_count
#endif /* RXPUTIL_H */
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