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