1 /* strerror.c --- POSIX compatible system error routine
3 Copyright (C) 2007-2010 Free Software Foundation, Inc.
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.
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.
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/>. */
27 # if GNULIB_defined_ESOCK /* native Windows platforms */
29 # include <winsock2.h>
33 # include "intprops.h"
36 # if ! HAVE_DECL_STRERROR
37 # define strerror(n) NULL
43 char const *msg = NULL;
44 /* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */
47 # if GNULIB_defined_ETXTBSY
49 msg = "Text file busy";
53 # if GNULIB_defined_ESOCK /* native Windows platforms */
54 /* EWOULDBLOCK is the same as EAGAIN. */
56 msg = "Operation now in progress";
59 msg = "Operation already in progress";
62 msg = "Socket operation on non-socket";
65 msg = "Destination address required";
68 msg = "Message too long";
71 msg = "Protocol wrong type for socket";
74 msg = "Protocol not available";
77 msg = "Protocol not supported";
80 msg = "Socket type not supported";
83 msg = "Operation not supported";
86 msg = "Protocol family not supported";
89 msg = "Address family not supported by protocol";
92 msg = "Address already in use";
95 msg = "Cannot assign requested address";
98 msg = "Network is down";
101 msg = "Network is unreachable";
104 msg = "Network dropped connection on reset";
107 msg = "Software caused connection abort";
110 msg = "Connection reset by peer";
113 msg = "No buffer space available";
116 msg = "Transport endpoint is already connected";
119 msg = "Transport endpoint is not connected";
122 msg = "Cannot send after transport endpoint shutdown";
125 msg = "Too many references: cannot splice";
128 msg = "Connection timed out";
131 msg = "Connection refused";
134 msg = "Too many levels of symbolic links";
137 msg = "Host is down";
140 msg = "No route to host";
143 msg = "Too many processes";
146 msg = "Too many users";
149 msg = "Disk quota exceeded";
152 msg = "Stale NFS file handle";
155 msg = "Object is remote";
158 /* WSA_INVALID_HANDLE maps to EBADF */
159 /* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */
160 /* WSA_INVALID_PARAMETER maps to EINVAL */
161 case WSA_OPERATION_ABORTED:
162 msg = "Overlapped operation aborted";
164 case WSA_IO_INCOMPLETE:
165 msg = "Overlapped I/O event object not in signaled state";
168 msg = "Overlapped operations will complete later";
170 /* WSAEINTR maps to EINTR */
171 /* WSAEBADF maps to EBADF */
172 /* WSAEACCES maps to EACCES */
173 /* WSAEFAULT maps to EFAULT */
174 /* WSAEINVAL maps to EINVAL */
175 /* WSAEMFILE maps to EMFILE */
176 /* WSAEWOULDBLOCK maps to EWOULDBLOCK */
177 /* WSAEINPROGRESS is EINPROGRESS */
178 /* WSAEALREADY is EALREADY */
179 /* WSAENOTSOCK is ENOTSOCK */
180 /* WSAEDESTADDRREQ is EDESTADDRREQ */
181 /* WSAEMSGSIZE is EMSGSIZE */
182 /* WSAEPROTOTYPE is EPROTOTYPE */
183 /* WSAENOPROTOOPT is ENOPROTOOPT */
184 /* WSAEPROTONOSUPPORT is EPROTONOSUPPORT */
185 /* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */
186 /* WSAEOPNOTSUPP is EOPNOTSUPP */
187 /* WSAEPFNOSUPPORT is EPFNOSUPPORT */
188 /* WSAEAFNOSUPPORT is EAFNOSUPPORT */
189 /* WSAEADDRINUSE is EADDRINUSE */
190 /* WSAEADDRNOTAVAIL is EADDRNOTAVAIL */
191 /* WSAENETDOWN is ENETDOWN */
192 /* WSAENETUNREACH is ENETUNREACH */
193 /* WSAENETRESET is ENETRESET */
194 /* WSAECONNABORTED is ECONNABORTED */
195 /* WSAECONNRESET is ECONNRESET */
196 /* WSAENOBUFS is ENOBUFS */
197 /* WSAEISCONN is EISCONN */
198 /* WSAENOTCONN is ENOTCONN */
199 /* WSAESHUTDOWN is ESHUTDOWN */
200 /* WSAETOOMANYREFS is ETOOMANYREFS */
201 /* WSAETIMEDOUT is ETIMEDOUT */
202 /* WSAECONNREFUSED is ECONNREFUSED */
203 /* WSAELOOP is ELOOP */
204 /* WSAENAMETOOLONG maps to ENAMETOOLONG */
205 /* WSAEHOSTDOWN is EHOSTDOWN */
206 /* WSAEHOSTUNREACH is EHOSTUNREACH */
207 /* WSAENOTEMPTY maps to ENOTEMPTY */
208 /* WSAEPROCLIM is EPROCLIM */
209 /* WSAEUSERS is EUSERS */
210 /* WSAEDQUOT is EDQUOT */
211 /* WSAESTALE is ESTALE */
212 /* WSAEREMOTE is EREMOTE */
214 msg = "Network subsystem is unavailable";
216 case WSAVERNOTSUPPORTED:
217 msg = "Winsock.dll version out of range";
219 case WSANOTINITIALISED:
220 msg = "Successful WSAStartup not yet performed";
223 msg = "Graceful shutdown in progress";
225 case WSAENOMORE: case WSA_E_NO_MORE:
226 msg = "No more results";
228 case WSAECANCELLED: case WSA_E_CANCELLED:
229 msg = "Call was canceled";
231 case WSAEINVALIDPROCTABLE:
232 msg = "Procedure call table is invalid";
234 case WSAEINVALIDPROVIDER:
235 msg = "Service provider is invalid";
237 case WSAEPROVIDERFAILEDINIT:
238 msg = "Service provider failed to initialize";
240 case WSASYSCALLFAILURE:
241 msg = "System call failure";
243 case WSASERVICE_NOT_FOUND:
244 msg = "Service not found";
246 case WSATYPE_NOT_FOUND:
247 msg = "Class type not found";
250 msg = "Database query was refused";
252 case WSAHOST_NOT_FOUND:
253 msg = "Host not found";
256 msg = "Nonauthoritative host not found";
259 msg = "Nonrecoverable error";
262 msg = "Valid name, no data record of requested type";
264 /* WSA_QOS_* omitted */
268 # if GNULIB_defined_ENOMSG
270 msg = "No message of desired type";
274 # if GNULIB_defined_EIDRM
276 msg = "Identifier removed";
280 # if GNULIB_defined_ENOLINK
282 msg = "Link has been severed";
286 # if GNULIB_defined_EPROTO
288 msg = "Protocol error";
292 # if GNULIB_defined_EMULTIHOP
294 msg = "Multihop attempted";
298 # if GNULIB_defined_EBADMSG
304 # if GNULIB_defined_EOVERFLOW
306 msg = "Value too large for defined data type";
310 # if GNULIB_defined_ENOTSUP
312 msg = "Not supported";
316 # if GNULIB_defined_ESTALE
318 msg = "Stale NFS file handle";
322 # if GNULIB_defined_ECANCELED
324 msg = "Operation canceled";
333 char *result = strerror (n);
335 if (result == NULL || result[0] == '\0')
337 static char const fmt[] = "Unknown error (%d)";
338 static char msg_buf[sizeof fmt + INT_STRLEN_BOUND (n)];
339 sprintf (msg_buf, fmt, n);