mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-24 21:54:01 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
27 lines
705 B
C
27 lines
705 B
C
/*
|
|
* (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
|