1 /*
2 * This file is part of the Sofia-SIP package
3 *
4 * Copyright (C) 2005 Nokia Corporation.
5 *
6 * Contact: Pekka Pessi <pekka.pessi@nokia.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation; either version 2.1 of
11 * the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25 /**@CFILE su_errno.c errno compatibility
26 *
27 * @author Pekka Pessi <Pekka.Pessi@nokia.com>
28 *
29 * @date Original: Thu Mar 18 19:40:51 1999 pessi
30 * @date Split to su_errno.c: Thu Dec 22 18:37:02 EET 2005 pessi
31 */
32
33 #include "config.h"
34
35 #include <sofia-sip/su_errno.h>
36 #include <sofia-sip/su.h>
37
38 #include <string.h>
39
40 #if SU_HAVE_WINSOCK
41
42 #include <stdio.h>
43
44 /** Get the latest socket error. */
su_errno(void)45 int su_errno(void)
46 {
47 return WSAGetLastError();
48 }
49
50 /** Set the socket error. */
su_seterrno(int errcode)51 int su_seterrno(int errcode)
52 {
53 WSASetLastError(errcode);
54
55 return -1;
56 }
57
su_strerror(int errcode)58 const char *su_strerror(int errcode)
59 {
60 struct errmsg { int no; const char *msg; };
61 static struct errmsg *msgp;
62 static struct errmsg msgs[] = {
63 { 0, "Success" },
64 { WSAEINTR, "Interrupted system call" },
65 { WSAEBADF, "Bad file descriptor" },
66 { WSAEACCES, "Permission denied" },
67 { WSAEFAULT, "Bad address" },
68 { WSAEINVAL, "Invalid argument" },
69 { WSAEMFILE, "Too many open files" },
70 { WSAEWOULDBLOCK, "Another winsock call while a "
71 "blocking function was in progress" },
72 { WSAEINPROGRESS, "Operation now in progress" },
73 { WSAEALREADY, "Operation already in progress" },
74 { WSAENOTSOCK, "Socket operation on non-socket" },
75 { WSAEDESTADDRREQ, "Destination address required" },
76 { WSAEMSGSIZE, "Message too long" },
77 { WSAEPROTOTYPE, "Protocol wrong type for socket" },
78 { WSAENOPROTOOPT, "Protocol not available" },
79 { WSAEPROTONOSUPPORT, "Protocol not supported" },
80 { WSAESOCKTNOSUPPORT, "Socket type not supported" },
81 { WSAEOPNOTSUPP, "Operation not supported" },
82 { WSAEPFNOSUPPORT, "Protocol family not supported" },
83 { WSAEAFNOSUPPORT, "Address family not supported" },
84 { WSAEADDRINUSE, "Address already in use" },
85 { WSAEADDRNOTAVAIL, "Can't assign requested address" },
86 { WSAENETDOWN, "Network is down" },
87 { WSAENETUNREACH, "Network is unreachable" },
88 { WSAENETRESET, "Network dropped connection on reset" },
89 { WSAECONNABORTED, "Software caused connection abort" },
90 { WSAECONNRESET, "Connection reset by peer" },
91 { WSAENOBUFS, "No buffer space available" },
92 { WSAEISCONN, "Socket is already connected" },
93 { WSAENOTCONN, "Socket is not connected" },
94 { WSAESHUTDOWN, "Can't send after socket shutdown" },
95 { WSAETOOMANYREFS, "Too many references: "
96 "can't splice" },
97 { WSAETIMEDOUT, "Operation timed out" },
98 { WSAECONNREFUSED, "Connection refused" },
99 { WSAELOOP, "Too many levels of symbolic links" },
100 { WSAENAMETOOLONG, "File name too long" },
101 { WSAEHOSTDOWN, "Host is down" },
102 { WSAEHOSTUNREACH, "No route to host" },
103 { WSAENOTEMPTY, "Directory not empty" },
104 { WSAEPROCLIM, "Too many processes" },
105 { WSAEUSERS, "Too many users" },
106 { WSAEDQUOT, "Disc quota exceeded" },
107 { WSAESTALE, "Stale NFS file handle" },
108 { WSAEREMOTE, "Too many levels of remote in path" },
109 { WSASYSNOTREADY, "Network subsystem is unvailable" },
110 { WSAVERNOTSUPPORTED, "WinSock version is not "
111 "supported" },
112 { WSANOTINITIALISED, "Successful WSAStartup() not yet "
113 "performed" },
114 { WSAEDISCON, "Graceful shutdown in progress" },
115 /* Resolver errors */
116 { WSAHOST_NOT_FOUND, "No such host is known" },
117 { WSATRY_AGAIN, "Host not found, or server failed" },
118 { WSANO_RECOVERY, "Unexpected server error "
119 "encountered" },
120 { WSANO_DATA, "Valid name without requested data" },
121 { WSANO_ADDRESS, "No address, look for MX record" },
122 { 0, NULL }
123 };
124 static struct errmsg sofia_msgs[] = {
125 { EBADMSG, "Bad message" },
126 { EPROTO, "Protocol error" },
127 { 0, NULL }
128 };
129 static char buf[64];
130
131 if (errcode < WSABASEERR)
132 return strerror(errcode);
133
134 if (errcode < 20000)
135 for (msgp = msgs; msgp->msg; msgp++) {
136 if (errcode == msgp->no) {
137 return msgp->msg;
138 }
139 }
140 else
141 for (msgp = sofia_msgs; msgp->msg; msgp++) {
142 if (errcode == msgp->no) {
143 return msgp->msg;
144 }
145 }
146
147 /* This can not overflow, but in other hand, it is not thread-safe */
148 sprintf(buf, "winsock error %d", errcode);
149
150 return buf;
151 }
152
153 #else
154
su_strerror(int errcode)155 const char *su_strerror(int errcode)
156 {
157 return strerror(errcode);
158 }
159
su_errno(void)160 int su_errno(void) { return errno; }
su_seterrno(int n)161 int su_seterrno(int n) { errno = n; return -1; }
162
163 #endif /* SU_HAVE_WINSOCK */
164