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27 lines
705 B
C
27 lines
705 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2003
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* Gerry Hamel, geh@ti.com, Texas Instruments
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*/
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#ifndef __CIRCBUF_H__
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#define __CIRCBUF_H__
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typedef struct circbuf {
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unsigned int size; /* current number of bytes held */
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unsigned int totalsize; /* number of bytes allocated */
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char *top; /* pointer to current buffer start */
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char *tail; /* pointer to space for next element */
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char *data; /* all data */
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char *end; /* end of data buffer */
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} circbuf_t;
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int buf_init (circbuf_t * buf, unsigned int size);
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int buf_free (circbuf_t * buf);
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int buf_pop (circbuf_t * buf, char *dest, unsigned int len);
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int buf_push (circbuf_t * buf, const char *src, unsigned int len);
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#endif
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