1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for ZReceivePacket function.
*
* Created by: Robert French
*
* Copyright (c) 1987,1988 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include "internal.h"
Code_t ZReceivePacket(buffer, ret_len, from)
ZPacket_t buffer;
int *ret_len;
struct sockaddr_in *from;
{
Code_t retval;
struct _Z_InputQ *nextq;
if ((retval = Z_WaitForComplete()) != ZERR_NONE)
return (retval);
nextq = Z_GetFirstComplete();
*ret_len = nextq->packet_len;
if (*ret_len > Z_MAXPKTLEN)
return (ZERR_PKTLEN);
(void) memcpy(buffer, nextq->packet, *ret_len);
if (from)
*from = nextq->from;
Z_RemQueue(nextq);
return (ZERR_NONE);
}
|
