slirp/sbuf.h

   1 /*
   2  * Copyright (c) 1995 Danny Gasparovski.
   3  *
   4  * Please read the file COPYRIGHT for the
   5  * terms and conditions of the copyright.
   6  */
   7
   8 #ifndef SBUF_H
   9 #define SBUF_H
  10
  11 #define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)
  12
  13 struct sbuf {
  14         uint32_t sb_cc;         /* actual chars in buffer */
  15         uint32_t sb_datalen;    /* Length of data  */
  16         char    *sb_wptr;       /* write pointer. points to where the next
  17                                  * bytes should be written in the sbuf */
  18         char    *sb_rptr;       /* read pointer. points to where the next
  19                                  * byte should be read from the sbuf */
  20         char    *sb_data;       /* Actual data */
  21 };
  22
  23 void sbfree(struct sbuf *);
  24 void sbdrop(struct sbuf *, int);
  25 void sbreserve(struct sbuf *, int);
  26 void sbappend(struct socket *, struct mbuf *);
  27 void sbcopy(struct sbuf *, int, int, char *);
  28
  29 #endif