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- /*
- * (C) Copyright 2003
- * Gerry Hamel, geh@ti.com, Texas Instruments
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #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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