qemu/slirp/sbuf.h
Dr. David Alan Gilbert 2a7cab9e17 slirp: VMStatify sbuf
Convert the sbuf structure to a VMStateDescription.
Note this uses the VMSTATE_WITH_TMP mechanism to calculate
and reload the offsets based on the pointers.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-04-29 18:44:16 +02:00

30 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