comparison: src/protocols/zephyr/ZPeekIfNot.c
src/protocols/zephyr/ZPeekIfNot.c
- changeset 2086
- 007508451e2c
- child 8792
- b0645c9dc276
equal
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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 the ZPeekIfNotice function. | |
| 3 * | |
| 4 * Created by: Robert French | |
| 5 * | |
| 6 * $Source$ | |
| 7 * $Author: warmenhoven $ | |
| 8 * | |
| 9 * Copyright (c) 1987,1988 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_ZPeekIfNotice_c[] = "$Header$"; | |
| 17 #endif | |
| 18 | |
| 19 #include <internal.h> | |
| 20 | |
| 21 Code_t ZPeekIfNotice(notice, from, predicate, args) | |
| 22 ZNotice_t *notice; | |
| 23 struct sockaddr_in *from; | |
| 24 int (*predicate)(); | |
| 25 char *args; | |
| 26 { | |
| 27 ZNotice_t tmpnotice; | |
| 28 Code_t retval; | |
| 29 char *buffer; | |
| 30 struct _Z_InputQ *qptr; | |
| 31 | |
| 32 if ((retval = Z_WaitForComplete()) != ZERR_NONE) | |
| 33 return (retval); | |
| 34 | |
| 35 for (;;) { | |
| 36 qptr = Z_GetFirstComplete(); | |
| 37 while (qptr) { | |
| 38 if ((retval = ZParseNotice(qptr->packet, qptr->packet_len, | |
| 39 &tmpnotice)) != ZERR_NONE) | |
| 40 return (retval); | |
| 41 if ((*predicate)(&tmpnotice, args)) { | |
| 42 if (!(buffer = (char *) malloc((unsigned) qptr->packet_len))) | |
| 43 return (ENOMEM); | |
| 44 (void) memcpy(buffer, qptr->packet, qptr->packet_len); | |
| 45 if (from) | |
| 46 *from = qptr->from; | |
| 47 if ((retval = ZParseNotice(buffer, qptr->packet_len, | |
| 48 notice)) != ZERR_NONE) { | |
| 49 free(buffer); | |
| 50 return (retval); | |
| 51 } | |
| 52 return (ZERR_NONE); | |
| 53 } | |
| 54 qptr = Z_GetNextComplete(qptr); | |
| 55 } | |
| 56 if ((retval = Z_ReadWait()) != ZERR_NONE) | |
| 57 return (retval); | |
| 58 } | |
| 59 } |
