+
+static int msg_to_buf(mblk_t *mp, char *buffer, int len)
+{
+ int rlen = len;
+ mblk_t *m, *mprev;
+ int mlen;
+
+ m = mp->b_cont;
+ mprev = mp;
+ while (m != NULL) {
+ mlen = (int) (m->b_wptr - m->b_rptr);
+ if (mlen <= rlen) {
+ mblk_t *consumed = m;
+ memcpy (buffer, m->b_rptr, mlen);
+ /* go to next mblk_t */
+ mprev->b_cont = m->b_cont;
+ m = m->b_cont;
+ consumed->b_cont = NULL;
+ freeb (consumed);
+ buffer += mlen;
+ rlen -= mlen;
+ } else { /*if mlen>rlen */
+ memcpy (buffer, m->b_rptr, rlen);
+ m->b_rptr += rlen;
+ return len;
+ }
+ }
+ return len - rlen;
+}
+
+