* Compute the checksum for the complete message buffer contents. */
| 393 | * Compute the checksum for the complete message buffer contents. |
| 394 | */ |
| 395 | static u_int |
| 396 | msgbuf_cksum(struct msgbuf *mbp) |
| 397 | { |
| 398 | u_int i, sum; |
| 399 | |
| 400 | sum = 0; |
| 401 | for (i = 0; i < mbp->msg_size; i++) |
| 402 | sum += (u_char)mbp->msg_ptr[i]; |
| 403 | return (sum); |
| 404 | } |
| 405 | |
| 406 | /* |
| 407 | * Copy from one message buffer to another. |