comparison: src/protocols/zephyr/ZPeekPkt.c
src/protocols/zephyr/ZPeekPkt.c
- changeset 2086
- 007508451e2c
- child 8792
- b0645c9dc276
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| 2085:4659ae7bc69c | 2086:007508451e2c |
|---|---|
| 1 /* This file is part of the Project Athena Zephyr Notification System. | |
| 2 * It contains source for ZPeekPacket function. | |
| 3 * | |
| 4 * Created by: Robert French | |
| 5 * | |
| 6 * $Source$ | |
| 7 * $Author: warmenhoven $ | |
| 8 * | |
| 9 * Copyright (c) 1987 by the Massachusetts Institute of Technology. | |
| 10 * For copying and distribution information, see the file | |
| 11 * "mit-copyright.h". | |
| 12 */ | |
| 13 /* $Header$ */ | |
| 14 | |
| 15 #ifndef lint | |
| 16 static char rcsid_ZPeekPacket_c[] = "$Header$"; | |
| 17 #endif | |
| 18 | |
| 19 #include <internal.h> | |
| 20 | |
| 21 Code_t ZPeekPacket(buffer, ret_len, from) | |
| 22 char **buffer; | |
| 23 int *ret_len; | |
| 24 struct sockaddr_in *from; | |
| 25 { | |
| 26 Code_t retval; | |
| 27 struct _Z_InputQ *nextq; | |
| 28 | |
| 29 if ((retval = Z_WaitForComplete()) != ZERR_NONE) | |
| 30 return (retval); | |
| 31 | |
| 32 nextq =Z_GetFirstComplete(); | |
| 33 | |
| 34 *ret_len = nextq->packet_len; | |
| 35 | |
| 36 if (!(*buffer = (char *) malloc((unsigned) *ret_len))) | |
| 37 return (ENOMEM); | |
| 38 | |
| 39 (void) memcpy(*buffer, nextq->packet, *ret_len); | |
| 40 | |
| 41 if (from) | |
| 42 *from = nextq->from; | |
| 43 | |
| 44 return (ZERR_NONE); | |
| 45 } |
