30 lines
807 B
C
30 lines
807 B
C
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#ifndef APFL_ALLOC_H
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#define APFL_ALLOC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#define ALLOCATOR_CALL(a, oldptr, oldsize, newsize) \
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((a).alloc((a).opaque, (oldptr), (oldsize), (newsize)))
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#define ALLOC_BYTES(a, n) (((n) == 0) ? NULL : ALLOCATOR_CALL(a, NULL, 0, (n)))
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#define REALLOC_BYTES(a, ptr, old, new) ALLOCATOR_CALL(a, ptr, old, new)
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#define FREE_BYTES(a, ptr, n) ALLOCATOR_CALL(a, ptr, n, 0)
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#define REALLOC_LIST(a, ptr, old, new) REALLOC_BYTES(a, ptr, sizeof(*ptr) * (old), sizeof(*ptr) * (new))
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#define ALLOC_LIST(a, T, len) (T *)ALLOC_BYTES(a, sizeof(T) * (len))
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#define FREE_LIST(a, ptr, len) FREE_BYTES(a, ptr, sizeof(*ptr) * (len))
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#define ALLOC_OBJ(a, T) ALLOC_LIST(a, T, 1)
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#define FREE_OBJ(a, ptr) FREE_LIST(a, ptr, 1)
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#ifdef __cplusplus
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}
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#endif
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#endif
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