29 lines
987 B
C
29 lines
987 B
C
#ifndef KFIFO_H
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#define KFIFO_H 1
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#include "plat_types.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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struct kfifo {
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unsigned char *buffer; /* the buffer holding the data */
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unsigned int size; /* the size of the allocated buffer */
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unsigned int in; /* data is added at offset (in % size) */
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unsigned int out; /* data is extracted from off. (out % size) */
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};
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void kfifo_init(struct kfifo *k, unsigned char *buff, unsigned int len);
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unsigned int kfifo_put(struct kfifo *k, unsigned char *buff, unsigned int len);
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unsigned int kfifo_get(struct kfifo *k, unsigned char *buff, unsigned int len);
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unsigned int kfifo_peek(struct kfifo *k, unsigned int len_want, unsigned char **buff1, unsigned char **buff2, unsigned int *len1, unsigned int *len2);
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unsigned int kfifo_peek_to_buf(struct kfifo *fifo, unsigned char *buff, unsigned int len);
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unsigned int kfifo_len(struct kfifo *fifo);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* KFIFO_H */
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