1: /* strerror-override.c --- POSIX compatible system error routine
2:
3: Copyright (C) 2010-2011 Free Software Foundation, Inc.
4:
5: This program is free software: you can redistribute it and/or modify
6: it under the terms of the GNU General Public License as published by
7: the Free Software Foundation; either version 3 of the License, or
8: (at your option) any later version.
9:
10: This program is distributed in the hope that it will be useful,
11: but WITHOUT ANY WARRANTY; without even the implied warranty of
12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13: GNU General Public License for more details.
14:
15: You should have received a copy of the GNU General Public License
16: along with this program. If not, see <http://www.gnu.org/licenses/>. */
17:
18: /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
19:
20: #include <config.h>
21:
22: #include "strerror-override.h"
23:
24: #include <errno.h>
25:
26: #if GNULIB_defined_ESOCK /* native Windows platforms */
27: # if HAVE_WINSOCK2_H
28: # include <winsock2.h>
29: # endif
30: #endif
31:
32: /* If ERRNUM maps to an errno value defined by gnulib, return a string
33: describing the error. Otherwise return NULL. */
34: const char *
35: strerror_override (int errnum)
36: {
37: /* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */
38: switch (errnum)
39: {
40: #if REPLACE_STRERROR_0
41: case 0:
42: return "Success";
43: #endif
44:
45: #if GNULIB_defined_ETXTBSY
46: case ETXTBSY:
47: return "Text file busy";
48: #endif
49:
50: #if GNULIB_defined_ESOCK /* native Windows platforms */
51: /* EWOULDBLOCK is the same as EAGAIN. */
52: case EINPROGRESS:
53: return "Operation now in progress";
54: case EALREADY:
55: return "Operation already in progress";
56: case ENOTSOCK:
57: return "Socket operation on non-socket";
58: case EDESTADDRREQ:
59: return "Destination address required";
60: case EMSGSIZE:
61: return "Message too long";
62: case EPROTOTYPE:
63: return "Protocol wrong type for socket";
64: case ENOPROTOOPT:
65: return "Protocol not available";
66: case EPROTONOSUPPORT:
67: return "Protocol not supported";
68: case ESOCKTNOSUPPORT:
69: return "Socket type not supported";
70: case EOPNOTSUPP:
71: return "Operation not supported";
72: case EPFNOSUPPORT:
73: return "Protocol family not supported";
74: case EAFNOSUPPORT:
75: return "Address family not supported by protocol";
76: case EADDRINUSE:
77: return "Address already in use";
78: case EADDRNOTAVAIL:
79: return "Cannot assign requested address";
80: case ENETDOWN:
81: return "Network is down";
82: case ENETUNREACH:
83: return "Network is unreachable";
84: case ENETRESET:
85: return "Network dropped connection on reset";
86: case ECONNABORTED:
87: return "Software caused connection abort";
88: case ECONNRESET:
89: return "Connection reset by peer";
90: case ENOBUFS:
91: return "No buffer space available";
92: case EISCONN:
93: return "Transport endpoint is already connected";
94: case ENOTCONN:
95: return "Transport endpoint is not connected";
96: case ESHUTDOWN:
97: return "Cannot send after transport endpoint shutdown";
98: case ETOOMANYREFS:
99: return "Too many references: cannot splice";
100: case ETIMEDOUT:
101: return "Connection timed out";
102: case ECONNREFUSED:
103: return "Connection refused";
104: case ELOOP:
105: return "Too many levels of symbolic links";
106: case EHOSTDOWN:
107: return "Host is down";
108: case EHOSTUNREACH:
109: return "No route to host";
110: case EPROCLIM:
111: return "Too many processes";
112: case EUSERS:
113: return "Too many users";
114: case EDQUOT:
115: return "Disk quota exceeded";
116: case ESTALE:
117: return "Stale NFS file handle";
118: case EREMOTE:
119: return "Object is remote";
120: # if HAVE_WINSOCK2_H
121: /* WSA_INVALID_HANDLE maps to EBADF */
122: /* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */
123: /* WSA_INVALID_PARAMETER maps to EINVAL */
124: case WSA_OPERATION_ABORTED:
125: return "Overlapped operation aborted";
126: case WSA_IO_INCOMPLETE:
127: return "Overlapped I/O event object not in signaled state";
128: case WSA_IO_PENDING:
129: return "Overlapped operations will complete later";
130: /* WSAEINTR maps to EINTR */
131: /* WSAEBADF maps to EBADF */
132: /* WSAEACCES maps to EACCES */
133: /* WSAEFAULT maps to EFAULT */
134: /* WSAEINVAL maps to EINVAL */
135: /* WSAEMFILE maps to EMFILE */
136: /* WSAEWOULDBLOCK maps to EWOULDBLOCK */
137: /* WSAEINPROGRESS is EINPROGRESS */
138: /* WSAEALREADY is EALREADY */
139: /* WSAENOTSOCK is ENOTSOCK */
140: /* WSAEDESTADDRREQ is EDESTADDRREQ */
141: /* WSAEMSGSIZE is EMSGSIZE */
142: /* WSAEPROTOTYPE is EPROTOTYPE */
143: /* WSAENOPROTOOPT is ENOPROTOOPT */
144: /* WSAEPROTONOSUPPORT is EPROTONOSUPPORT */
145: /* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */
146: /* WSAEOPNOTSUPP is EOPNOTSUPP */
147: /* WSAEPFNOSUPPORT is EPFNOSUPPORT */
148: /* WSAEAFNOSUPPORT is EAFNOSUPPORT */
149: /* WSAEADDRINUSE is EADDRINUSE */
150: /* WSAEADDRNOTAVAIL is EADDRNOTAVAIL */
151: /* WSAENETDOWN is ENETDOWN */
152: /* WSAENETUNREACH is ENETUNREACH */
153: /* WSAENETRESET is ENETRESET */
154: /* WSAECONNABORTED is ECONNABORTED */
155: /* WSAECONNRESET is ECONNRESET */
156: /* WSAENOBUFS is ENOBUFS */
157: /* WSAEISCONN is EISCONN */
158: /* WSAENOTCONN is ENOTCONN */
159: /* WSAESHUTDOWN is ESHUTDOWN */
160: /* WSAETOOMANYREFS is ETOOMANYREFS */
161: /* WSAETIMEDOUT is ETIMEDOUT */
162: /* WSAECONNREFUSED is ECONNREFUSED */
163: /* WSAELOOP is ELOOP */
164: /* WSAENAMETOOLONG maps to ENAMETOOLONG */
165: /* WSAEHOSTDOWN is EHOSTDOWN */
166: /* WSAEHOSTUNREACH is EHOSTUNREACH */
167: /* WSAENOTEMPTY maps to ENOTEMPTY */
168: /* WSAEPROCLIM is EPROCLIM */
169: /* WSAEUSERS is EUSERS */
170: /* WSAEDQUOT is EDQUOT */
171: /* WSAESTALE is ESTALE */
172: /* WSAEREMOTE is EREMOTE */
173: case WSASYSNOTREADY:
174: return "Network subsystem is unavailable";
175: case WSAVERNOTSUPPORTED:
176: return "Winsock.dll version out of range";
177: case WSANOTINITIALISED:
178: return "Successful WSAStartup not yet performed";
179: case WSAEDISCON:
180: return "Graceful shutdown in progress";
181: case WSAENOMORE: case WSA_E_NO_MORE:
182: return "No more results";
183: case WSAECANCELLED: case WSA_E_CANCELLED:
184: return "Call was canceled";
185: case WSAEINVALIDPROCTABLE:
186: return "Procedure call table is invalid";
187: case WSAEINVALIDPROVIDER:
188: return "Service provider is invalid";
189: case WSAEPROVIDERFAILEDINIT:
190: return "Service provider failed to initialize";
191: case WSASYSCALLFAILURE:
192: return "System call failure";
193: case WSASERVICE_NOT_FOUND:
194: return "Service not found";
195: case WSATYPE_NOT_FOUND:
196: return "Class type not found";
197: case WSAEREFUSED:
198: return "Database query was refused";
199: case WSAHOST_NOT_FOUND:
200: return "Host not found";
201: case WSATRY_AGAIN:
202: return "Nonauthoritative host not found";
203: case WSANO_RECOVERY:
204: return "Nonrecoverable error";
205: case WSANO_DATA:
206: return "Valid name, no data record of requested type";
207: /* WSA_QOS_* omitted */
208: # endif
209: #endif
210:
211: #if GNULIB_defined_ENOMSG
212: case ENOMSG:
213: return "No message of desired type";
214: #endif
215:
216: #if GNULIB_defined_EIDRM
217: case EIDRM:
218: return "Identifier removed";
219: #endif
220:
221: #if GNULIB_defined_ENOLINK
222: case ENOLINK:
223: return "Link has been severed";
224: #endif
225:
226: #if GNULIB_defined_EPROTO
227: case EPROTO:
228: return "Protocol error";
229: #endif
230:
231: #if GNULIB_defined_EMULTIHOP
232: case EMULTIHOP:
233: return "Multihop attempted";
234: #endif
235:
236: #if GNULIB_defined_EBADMSG
237: case EBADMSG:
238: return "Bad message";
239: #endif
240:
241: #if GNULIB_defined_EOVERFLOW
242: case EOVERFLOW:
243: return "Value too large for defined data type";
244: #endif
245:
246: #if GNULIB_defined_ENOTSUP
247: case ENOTSUP:
248: return "Not supported";
249: #endif
250:
251: #if GNULIB_defined_ENETRESET
252: case ENETRESET:
253: return "Network dropped connection on reset";
254: #endif
255:
256: #if GNULIB_defined_ECONNABORTED
257: case ECONNABORTED:
258: return "Software caused connection abort";
259: #endif
260:
261: #if GNULIB_defined_ESTALE
262: case ESTALE:
263: return "Stale NFS file handle";
264: #endif
265:
266: #if GNULIB_defined_EDQUOT
267: case EDQUOT:
268: return "Disk quota exceeded";
269: #endif
270:
271: #if GNULIB_defined_ECANCELED
272: case ECANCELED:
273: return "Operation canceled";
274: #endif
275:
276: default:
277: return NULL;
278: }
279: }
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