mirror of https://gitee.com/openkylin/qemu.git
31 lines
814 B
C
31 lines
814 B
C
/*
|
|
* Copyright (c) 1995 Danny Gasparovski.
|
|
*
|
|
* Please read the file COPYRIGHT for the
|
|
* terms and conditions of the copyright.
|
|
*/
|
|
|
|
#ifndef SBUF_H
|
|
#define SBUF_H
|
|
|
|
#define sbflush(sb) sbdrop((sb),(sb)->sb_cc)
|
|
#define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)
|
|
|
|
struct sbuf {
|
|
uint32_t sb_cc; /* actual chars in buffer */
|
|
uint32_t sb_datalen; /* Length of data */
|
|
char *sb_wptr; /* write pointer. points to where the next
|
|
* bytes should be written in the sbuf */
|
|
char *sb_rptr; /* read pointer. points to where the next
|
|
* byte should be read from the sbuf */
|
|
char *sb_data; /* Actual data */
|
|
};
|
|
|
|
void sbfree(struct sbuf *);
|
|
void sbdrop(struct sbuf *, int);
|
|
void sbreserve(struct sbuf *, int);
|
|
void sbappend(struct socket *, struct mbuf *);
|
|
void sbcopy(struct sbuf *, int, int, char *);
|
|
|
|
#endif
|