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#ifndef AL_VECTOR_H
#define AL_VECTOR_H
#include <stdlib.h>
#include <AL/al.h>
/* "Base" vector type, designed to alias with the actual vector types. */
typedef struct vector__s {
ALsizei Capacity;
ALsizei Size;
} *vector_;
#define DECL_VECTOR(T) typedef struct vector_##T##_s { \
ALsizei Capacity; \
ALsizei Size; \
T Data[]; \
} *vector_##T; \
typedef const struct vector_##T##_s *const_vector_##T;
#define VECTOR_INIT(_x) do { (_x) = NULL; } while(0)
#define VECTOR_DEINIT(_x) do { free((_x)); (_x) = NULL; } while(0)
/* Helper to increase a vector's reserve. Do not call directly. */
ALboolean vector_reserve(void *ptr, size_t base_size, size_t obj_count, size_t obj_size, ALboolean exact);
#define VECTOR_RESERVE(_x, _c) (vector_reserve(&(_x), sizeof(*(_x)), (_c), sizeof((_x)->Data[0]), AL_TRUE))
/* Helper to change a vector's size. Do not call directly. */
ALboolean vector_resize(void *ptr, size_t base_size, size_t obj_count, size_t obj_size);
#define VECTOR_RESIZE(_x, _c) (vector_resize(&(_x), sizeof(*(_x)), (_c), sizeof((_x)->Data[0])))
#define VECTOR_CAPACITY(_x) ((const ALsizei)((_x) ? (_x)->Capacity : 0))
#define VECTOR_SIZE(_x) ((const ALsizei)((_x) ? (_x)->Size : 0))
#define VECTOR_ITER_BEGIN(_x) ((_x) ? (_x)->Data : NULL)
#define VECTOR_ITER_END(_x) ((_x) ? (_x)->Data + (_x)->Size : NULL)
ALboolean vector_insert(void *ptr, size_t base_size, size_t obj_size, void *ins_pos, const void *datstart, const void *datend);
#ifdef __GNUC__
#define TYPE_CHECK(T1, T2) __builtin_types_compatible_p(T1, T2)
#define VECTOR_INSERT(_x, _i, _s, _e) __extension__({ \
ALboolean _r; \
static_assert(TYPE_CHECK(__typeof((_x)->Data[0]), __typeof(*(_i))), "Incompatible insertion iterator"); \
static_assert(TYPE_CHECK(__typeof((_x)->Data[0]), __typeof(*(_s))), "Incompatible insertion source type"); \
static_assert(TYPE_CHECK(__typeof(*(_s)), __typeof(*(_e))), "Incompatible iterator sources"); \
_r = vector_insert(&(_x), sizeof(*(_x)), sizeof((_x)->Data[0]), (_i), (_s), (_e)); \
_r; \
})
#else
#define VECTOR_INSERT(_x, _i, _s, _e) (vector_insert(&(_x), sizeof(*(_x)), sizeof((_x)->Data[0]), (_i), (_s), (_e)))
#endif
#define VECTOR_PUSH_BACK(_x, _obj) (vector_reserve(&(_x), sizeof(*(_x)), VECTOR_SIZE(_x)+1, sizeof((_x)->Data[0]), AL_FALSE) && \
(((_x)->Data[(_x)->Size++] = (_obj)),AL_TRUE))
#define VECTOR_POP_BACK(_x) ((void)((_x)->Size--))
#define VECTOR_BACK(_x) ((_x)->Data[(_x)->Size-1])
#define VECTOR_FRONT(_x) ((_x)->Data[0])
#define VECTOR_ELEM(_x, _o) ((_x)->Data[(_o)])
#define VECTOR_FOR_EACH(_t, _x, _f) do { \
_t *_iter = VECTOR_ITER_BEGIN((_x)); \
_t *_end = VECTOR_ITER_END((_x)); \
for(;_iter != _end;++_iter) \
(_f)(_iter); \
} while(0)
#endif /* AL_VECTOR_H */
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