1/* strerror-override.c --- POSIX compatible system error routine
2
3   Copyright (C) 2010-2012 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_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.  */
34const char *
35strerror_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}
303