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Matheus
25 lines
717 B
C
25 lines
717 B
C
#ifndef _RINGBUFFER_H
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#define _RINGBUFFER_H
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#include <stddef.h>
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#include <stdint.h>
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typedef struct {
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size_t size;
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uintmax_t write;
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uintmax_t read;
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void *data;
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} ringbuffer_t;
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int ringbuffer_init(ringbuffer_t *ringbuffer, size_t size);
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void ringbuffer_destroy(ringbuffer_t *ringbuffer);
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size_t ringbuffer_read(ringbuffer_t* ringbuffer, void *buffer, size_t count);
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size_t ringbuffer_write(ringbuffer_t* ringbuffer, void *buffer, size_t count);
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size_t ringbuffer_truncate(ringbuffer_t *ringbuffer, size_t count);
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size_t ringbuffer_peek(ringbuffer_t *ringbuffer, void *buffer, uintmax_t offset, size_t count);
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#define RINGBUFFER_DATACOUNT(x) ((x)->write - (x)->read)
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#define RINGBUFFER_SIZE(x) (x)->size
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#endif
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