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27 lines
602 B
C
27 lines
602 B
C
#ifndef _RINGBUFFER_H
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#define _RINGBUFFER_H
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typedef struct RINGBUFFER
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{
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/* what you need */
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struct RBITEM_t *next_alloc;
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struct RBITEM_t *last_alloc;
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struct RBITEM_t *first;
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struct RBITEM_t *last;
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void *memory;
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int size;
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} RINGBUFFER;
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RINGBUFFER *ringbuf_init(void *memory, int size);
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void *ringbuf_allocate(RINGBUFFER *rb, int size);
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void ringbuf_validate(RINGBUFFER *rb);
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void *ringbuf_item_ptr(void *p);
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void *ringbuf_prev(RINGBUFFER *rb, void *current);
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void *ringbuf_next(RINGBUFFER *rb, void *current);
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void *ringbuf_first(RINGBUFFER *rb);
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void *ringbuf_last(RINGBUFFER *rb);
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#endif
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