diff options
| -rw-r--r-- | slirp/socket.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/slirp/socket.c b/slirp/socket.c index 3b49a69a93..a17caa9fa7 100644 --- a/slirp/socket.c +++ b/slirp/socket.c @@ -345,33 +345,40 @@ sosendoob(struct socket *so) if (sb->sb_rptr < sb->sb_wptr) { /* We can send it directly */ n = slirp_send(so, sb->sb_rptr, so->so_urgc, (MSG_OOB)); /* |MSG_DONTWAIT)); */ - so->so_urgc -= n; - - DEBUG_MISC((dfd, " --- sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc)); } else { /* * Since there's no sendv or sendtov like writev, * we must copy all data to a linear buffer then * send it all */ + uint32_t urgc = so->so_urgc; len = (sb->sb_data + sb->sb_datalen) - sb->sb_rptr; - if (len > so->so_urgc) len = so->so_urgc; + if (len > urgc) { + len = urgc; + } memcpy(buff, sb->sb_rptr, len); - so->so_urgc -= len; - if (so->so_urgc) { + urgc -= len; + if (urgc) { n = sb->sb_wptr - sb->sb_data; - if (n > so->so_urgc) n = so->so_urgc; + if (n > urgc) { + n = urgc; + } memcpy((buff + len), sb->sb_data, n); - so->so_urgc -= n; len += n; } n = slirp_send(so, buff, len, (MSG_OOB)); /* |MSG_DONTWAIT)); */ + } + #ifdef DEBUG - if (n != len) - DEBUG_ERROR((dfd, "Didn't send all data urgently XXXXX\n")); + if (n != len) { + DEBUG_ERROR((dfd, "Didn't send all data urgently XXXXX\n")); + } #endif - DEBUG_MISC((dfd, " ---2 sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc)); + if (n < 0) { + return n; } + so->so_urgc -= n; + DEBUG_MISC((dfd, " ---2 sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc)); sb->sb_cc -= n; sb->sb_rptr += n; |