comparison: src/protocols/zephyr/ZOpenPort.c
src/protocols/zephyr/ZOpenPort.c
- branch
- gaim
- changeset 20470
- 77693555855f
- parent 13071
- b98e72d4089a
- parent 20469
- b2836a24d81e
- child 20471
- 1966704b3e42
equal
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inserted
replaced
| 13071:b98e72d4089a | 20470:77693555855f |
|---|---|
| 1 /* This file is part of the Project Athena Zephyr Notification System. | |
| 2 * It contains source for the ZOpenPort function. | |
| 3 * | |
| 4 * Created by: Robert French | |
| 5 * | |
| 6 * Copyright (c) 1987 by the Massachusetts Institute of Technology. | |
| 7 * For copying and distribution information, see the file | |
| 8 * "mit-copyright.h". | |
| 9 */ | |
| 10 | |
| 11 #include "internal.h" | |
| 12 #ifdef WIN32 | |
| 13 #include <winsock2.h> | |
| 14 #else | |
| 15 #include <sys/socket.h> | |
| 16 #endif | |
| 17 | |
| 18 Code_t ZOpenPort(port) | |
| 19 unsigned short *port; | |
| 20 { | |
| 21 struct sockaddr_in bindin; | |
| 22 socklen_t len; | |
| 23 | |
| 24 (void) ZClosePort(); | |
| 25 | |
| 26 if ((__Zephyr_fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { | |
| 27 __Zephyr_fd = -1; | |
| 28 return (errno); | |
| 29 } | |
| 30 | |
| 31 #ifdef SO_BSDCOMPAT | |
| 32 { | |
| 33 int on = 1; | |
| 34 | |
| 35 setsockopt(__Zephyr_fd, SOL_SOCKET, SO_BSDCOMPAT, (char *)&on, | |
| 36 sizeof(on)); | |
| 37 } | |
| 38 #endif | |
| 39 | |
| 40 bindin.sin_family = AF_INET; | |
| 41 | |
| 42 if (port && *port) | |
| 43 bindin.sin_port = *port; | |
| 44 else | |
| 45 bindin.sin_port = 0; | |
| 46 | |
| 47 bindin.sin_addr.s_addr = INADDR_ANY; | |
| 48 | |
| 49 if (bind(__Zephyr_fd, (struct sockaddr *)&bindin, sizeof(bindin)) < 0) { | |
| 50 if (errno == EADDRINUSE && port && *port) | |
| 51 return (ZERR_PORTINUSE); | |
| 52 else | |
| 53 return (errno); | |
| 54 } | |
| 55 | |
| 56 if (!bindin.sin_port) { | |
| 57 len = sizeof(bindin); | |
| 58 if (getsockname(__Zephyr_fd, (struct sockaddr *)&bindin, &len)) | |
| 59 return (errno); | |
| 60 } | |
| 61 | |
| 62 __Zephyr_port = bindin.sin_port; | |
| 63 __Zephyr_open = 1; | |
| 64 | |
| 65 if (port) | |
| 66 *port = bindin.sin_port; | |
| 67 | |
| 68 return (ZERR_NONE); | |
| 69 } |
