43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
#ifndef AL_VECTOR_H
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#define AL_VECTOR_H
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#include <stdlib.h>
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#include <AL/al.h>
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/* "Base" vector type, designed to alias with the actual vector types. */
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typedef struct vector__s {
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ALsizei Max;
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ALsizei Size;
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} *vector_;
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#define DECL_VECTOR(T) typedef struct vector_##T##_s { \
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ALsizei Max; \
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ALsizei Size; \
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T Data[]; \
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} *vector_##T;
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#define VECTOR_INIT(_x) (((_x) = calloc(1, sizeof(*(_x)))) != NULL)
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#define VECTOR_DEINIT(_x) do { free(_x); _x = NULL; } while(0)
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/* Helper to increase a vector's reserve. Do not call directly. */
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ALboolean vector_reserve(void *ptr, size_t orig_count, size_t base_size, size_t obj_count, size_t obj_size);
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#define VECTOR_RESERVE(_x, _c) (vector_reserve(&(_x), (_x)->Max, sizeof(*(_x)), (_c), sizeof((_x)->Data[0])))
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#define VECTOR_SIZE(_x) ((const ALsizei)(_x)->Size)
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#define VECTOR_MAX(_x) ((const ALsizei)(_x)->Max)
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#define VECTOR_ITER_BEGIN(_x) ((_x)->Data)
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#define VECTOR_ITER_END(_x) ((_x)->Data + (_x)->Size)
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/* NOTE: The caller must ensure enough space is reserved before pushing in new objects. */
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#define VECTOR_PUSH_BACK(_x, _obj) ((void)((_x)->Data[(_x)->Size++] = (_obj)))
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#define VECTOR_POP_BACK(_x) ((void)((_x)->Size--))
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#define VECTOR_BACK(_x) ((_x)->Data[(_x)->Size-1])
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#define VECTOR_FRONT(_x) ((_x)->Data[0])
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#define VECTOR_ELEM(_x, _o) ((_x)->Data[(_o)])
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#endif /* AL_VECTOR_H */
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