1 /* strerror-override.c --- POSIX compatible system error routine
2
3 Copyright (C) 2010-2021 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 <https://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_EWINSOCK /* 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_ESOCK /* native Windows platforms with older <errno.h> */
46 case EINPROGRESS:
47 return "Operation now in progress";
48 case EALREADY:
49 return "Operation already in progress";
50 case ENOTSOCK:
51 return "Socket operation on non-socket";
52 case EDESTADDRREQ:
53 return "Destination address required";
54 case EMSGSIZE:
55 return "Message too long";
56 case EPROTOTYPE:
57 return "Protocol wrong type for socket";
58 case ENOPROTOOPT:
59 return "Protocol not available";
60 case EPROTONOSUPPORT:
61 return "Protocol not supported";
62 case EOPNOTSUPP:
63 return "Operation not supported";
64 case EAFNOSUPPORT:
65 return "Address family not supported by protocol";
66 case EADDRINUSE:
67 return "Address already in use";
68 case EADDRNOTAVAIL:
69 return "Cannot assign requested address";
70 case ENETDOWN:
71 return "Network is down";
72 case ENETUNREACH:
73 return "Network is unreachable";
74 case ECONNRESET:
75 return "Connection reset by peer";
76 case ENOBUFS:
77 return "No buffer space available";
78 case EISCONN:
79 return "Transport endpoint is already connected";
80 case ENOTCONN:
81 return "Transport endpoint is not connected";
82 case ETIMEDOUT:
83 return "Connection timed out";
84 case ECONNREFUSED:
85 return "Connection refused";
86 case ELOOP:
87 return "Too many levels of symbolic links";
88 case EHOSTUNREACH:
89 return "No route to host";
90 case EWOULDBLOCK:
91 return "Operation would block";
92 #endif
93 #if GNULIB_defined_ESTREAMS /* native Windows platforms with older <errno.h> */
94 case ETXTBSY:
95 return "Text file busy";
96 case ENODATA:
97 return "No data available";
98 case ENOSR:
99 return "Out of streams resources";
100 case ENOSTR:
101 return "Device not a stream";
102 case ETIME:
103 return "Timer expired";
104 case EOTHER:
105 return "Other error";
106 #endif
107 #if GNULIB_defined_EWINSOCK /* native Windows platforms */
108 case ESOCKTNOSUPPORT:
109 return "Socket type not supported";
110 case EPFNOSUPPORT:
111 return "Protocol family not supported";
112 case ESHUTDOWN:
113 return "Cannot send after transport endpoint shutdown";
114 case ETOOMANYREFS:
115 return "Too many references: cannot splice";
116 case EHOSTDOWN:
117 return "Host is down";
118 case EPROCLIM:
119 return "Too many processes";
120 case EUSERS:
121 return "Too many users";
122 case EDQUOT:
123 return "Disk quota exceeded";
124 case ESTALE:
125 return "Stale NFS file handle";
126 case EREMOTE:
127 return "Object is remote";
128 # if HAVE_WINSOCK2_H
129 /* WSA_INVALID_HANDLE maps to EBADF */
130 /* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */
131 /* WSA_INVALID_PARAMETER maps to EINVAL */
132 case WSA_OPERATION_ABORTED:
133 return "Overlapped operation aborted";
134 case WSA_IO_INCOMPLETE:
135 return "Overlapped I/O event object not in signaled state";
136 case WSA_IO_PENDING:
137 return "Overlapped operations will complete later";
138 /* WSAEINTR maps to EINTR */
139 /* WSAEBADF maps to EBADF */
140 /* WSAEACCES maps to EACCES */
141 /* WSAEFAULT maps to EFAULT */
142 /* WSAEINVAL maps to EINVAL */
143 /* WSAEMFILE maps to EMFILE */
144 /* WSAEWOULDBLOCK maps to EWOULDBLOCK */
145 /* WSAEINPROGRESS maps to EINPROGRESS */
146 /* WSAEALREADY maps to EALREADY */
147 /* WSAENOTSOCK maps to ENOTSOCK */
148 /* WSAEDESTADDRREQ maps to EDESTADDRREQ */
149 /* WSAEMSGSIZE maps to EMSGSIZE */
150 /* WSAEPROTOTYPE maps to EPROTOTYPE */
151 /* WSAENOPROTOOPT maps to ENOPROTOOPT */
152 /* WSAEPROTONOSUPPORT maps to EPROTONOSUPPORT */
153 /* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */
154 /* WSAEOPNOTSUPP maps to EOPNOTSUPP */
155 /* WSAEPFNOSUPPORT is EPFNOSUPPORT */
156 /* WSAEAFNOSUPPORT maps to EAFNOSUPPORT */
157 /* WSAEADDRINUSE maps to EADDRINUSE */
158 /* WSAEADDRNOTAVAIL maps to EADDRNOTAVAIL */
159 /* WSAENETDOWN maps to ENETDOWN */
160 /* WSAENETUNREACH maps to ENETUNREACH */
161 /* WSAENETRESET maps to ENETRESET */
162 /* WSAECONNABORTED maps to ECONNABORTED */
163 /* WSAECONNRESET maps to ECONNRESET */
164 /* WSAENOBUFS maps to ENOBUFS */
165 /* WSAEISCONN maps to EISCONN */
166 /* WSAENOTCONN maps to ENOTCONN */
167 /* WSAESHUTDOWN is ESHUTDOWN */
168 /* WSAETOOMANYREFS is ETOOMANYREFS */
169 /* WSAETIMEDOUT maps to ETIMEDOUT */
170 /* WSAECONNREFUSED maps to ECONNREFUSED */
171 /* WSAELOOP maps to ELOOP */
172 /* WSAENAMETOOLONG maps to ENAMETOOLONG */
173 /* WSAEHOSTDOWN is EHOSTDOWN */
174 /* WSAEHOSTUNREACH maps to EHOSTUNREACH */
175 /* WSAENOTEMPTY maps to ENOTEMPTY */
176 /* WSAEPROCLIM is EPROCLIM */
177 /* WSAEUSERS is EUSERS */
178 /* WSAEDQUOT is EDQUOT */
179 /* WSAESTALE is ESTALE */
180 /* WSAEREMOTE is EREMOTE */
181 case WSASYSNOTREADY:
182 return "Network subsystem is unavailable";
183 case WSAVERNOTSUPPORTED:
184 return "Winsock.dll version out of range";
185 case WSANOTINITIALISED:
186 return "Successful WSAStartup not yet performed";
187 case WSAEDISCON:
188 return "Graceful shutdown in progress";
189 case WSAENOMORE: case WSA_E_NO_MORE:
190 return "No more results";
191 case WSAECANCELLED: case WSA_E_CANCELLED:
192 return "Call was canceled";
193 case WSAEINVALIDPROCTABLE:
194 return "Procedure call table is invalid";
195 case WSAEINVALIDPROVIDER:
196 return "Service provider is invalid";
197 case WSAEPROVIDERFAILEDINIT:
198 return "Service provider failed to initialize";
199 case WSASYSCALLFAILURE:
200 return "System call failure";
201 case WSASERVICE_NOT_FOUND:
202 return "Service not found";
203 case WSATYPE_NOT_FOUND:
204 return "Class type not found";
205 case WSAEREFUSED:
206 return "Database query was refused";
207 case WSAHOST_NOT_FOUND:
208 return "Host not found";
209 case WSATRY_AGAIN:
210 return "Nonauthoritative host not found";
211 case WSANO_RECOVERY:
212 return "Nonrecoverable error";
213 case WSANO_DATA:
214 return "Valid name, no data record of requested type";
215 /* WSA_QOS_* omitted */
216 # endif
217 #endif
218
219 #if GNULIB_defined_ENOMSG
220 case ENOMSG:
221 return "No message of desired type";
222 #endif
223
224 #if GNULIB_defined_EIDRM
225 case EIDRM:
226 return "Identifier removed";
227 #endif
228
229 #if GNULIB_defined_ENOLINK
230 case ENOLINK:
231 return "Link has been severed";
232 #endif
233
234 #if GNULIB_defined_EPROTO
235 case EPROTO:
236 return "Protocol error";
237 #endif
238
239 #if GNULIB_defined_EMULTIHOP
240 case EMULTIHOP:
241 return "Multihop attempted";
242 #endif
243
244 #if GNULIB_defined_EBADMSG
245 case EBADMSG:
246 return "Bad message";
247 #endif
248
249 #if GNULIB_defined_EOVERFLOW
250 case EOVERFLOW:
251 return "Value too large for defined data type";
252 #endif
253
254 #if GNULIB_defined_ENOTSUP
255 case ENOTSUP:
256 return "Not supported";
257 #endif
258
259 #if GNULIB_defined_ENETRESET
260 case ENETRESET:
261 return "Network dropped connection on reset";
262 #endif
263
264 #if GNULIB_defined_ECONNABORTED
265 case ECONNABORTED:
266 return "Software caused connection abort";
267 #endif
268
269 #if GNULIB_defined_ESTALE
270 case ESTALE:
271 return "Stale NFS file handle";
272 #endif
273
274 #if GNULIB_defined_EDQUOT
275 case EDQUOT:
276 return "Disk quota exceeded";
277 #endif
278
279 #if GNULIB_defined_ECANCELED
280 case ECANCELED:
281 return "Operation canceled";
282 #endif
283
284 #if GNULIB_defined_EOWNERDEAD
285 case EOWNERDEAD:
286 return "Owner died";
287 #endif
288
289 #if GNULIB_defined_ENOTRECOVERABLE
290 case ENOTRECOVERABLE:
291 return "State not recoverable";
292 #endif
293
294 #if GNULIB_defined_EILSEQ
295 case EILSEQ:
296 return "Invalid or incomplete multibyte or wide character";
297 #endif
298
299 default:
300 return NULL;
301 }
302 }