src/sys/netinet/udp_usrreq.c - diff

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version 1.24, 1995/08/12 23:59:42

version 1.25, 1995/11/21 01:07:46

Line 142 udp_input(m, iphlen)

* Checksum extended UDP header and data.

if (udpcksum && uh->uh_sum) {

((struct ipovly *)ip)->ih_next = 0;

bzero(((struct ipovly *)ip)->ih_x1,

((struct ipovly *)ip)->ih_prev = 0;

sizeof ((struct ipovly *)ip)->ih_x1);

((struct ipovly *)ip)->ih_x1 = 0;

((struct ipovly *)ip)->ih_len = uh->uh_ulen;

if (uh->uh_sum = in_cksum(m, len + sizeof (struct ip))) {

udpstat.udps_badsum++;

Line 437 udp_output(inp, m, addr, control)

Line 436 udp_output(inp, m, addr, control)

* and addresses and length put into network format.

ui = mtod(m, struct udpiphdr *);

ui->ui_next = ui->ui_prev = 0;

bzero(ui->ui_x1, sizeof ui->ui_x1);

ui->ui_x1 = 0;

ui->ui_pr = IPPROTO_UDP;

ui->ui_len = htons((u_int16_t)len + sizeof (struct udphdr));

ui->ui_src = inp->inp_laddr;