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author | Holger Weiss <holger@zedat.fu-berlin.de> | 2013-08-19 23:27:12 +0200 |
---|---|---|
committer | Holger Weiss <holger@zedat.fu-berlin.de> | 2013-08-19 23:27:12 +0200 |
commit | 26fbe7f1e68bb0c96da32491efcf3696fe6c299b (patch) | |
tree | c4d95289187a64e9c7517bf73d8208026c3d2fb3 /gl/strerror.c | |
parent | 5f79e3e9f62ca5487d9881973149136ba1d19d3e (diff) | |
download | monitoring-plugins-26fbe7f1e68bb0c96da32491efcf3696fe6c299b.tar.gz |
Sync with the latest Gnulib code (6f2d632)
Diffstat (limited to 'gl/strerror.c')
-rw-r--r-- | gl/strerror.c | 354 |
1 files changed, 37 insertions, 317 deletions
diff --git a/gl/strerror.c b/gl/strerror.c index 46153abf..80a2f2ee 100644 --- a/gl/strerror.c +++ b/gl/strerror.c | |||
@@ -1,6 +1,6 @@ | |||
1 | /* strerror.c --- POSIX compatible system error routine | 1 | /* strerror.c --- POSIX compatible system error routine |
2 | 2 | ||
3 | Copyright (C) 2007-2010 Free Software Foundation, Inc. | 3 | Copyright (C) 2007-2013 Free Software Foundation, Inc. |
4 | 4 | ||
5 | This program is free software: you can redistribute it and/or modify | 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 | 6 | it under the terms of the GNU General Public License as published by |
@@ -17,334 +17,54 @@ | |||
17 | 17 | ||
18 | #include <config.h> | 18 | #include <config.h> |
19 | 19 | ||
20 | /* Specification. */ | ||
20 | #include <string.h> | 21 | #include <string.h> |
21 | 22 | ||
22 | #if REPLACE_STRERROR | 23 | #include <errno.h> |
23 | 24 | #include <stdio.h> | |
24 | # include <errno.h> | 25 | #include <stdlib.h> |
25 | # include <stdio.h> | 26 | #include <string.h> |
26 | |||
27 | # if GNULIB_defined_ESOCK /* native Windows platforms */ | ||
28 | # if HAVE_WINSOCK2_H | ||
29 | # include <winsock2.h> | ||
30 | # endif | ||
31 | # endif | ||
32 | 27 | ||
33 | # include "intprops.h" | 28 | #include "intprops.h" |
29 | #include "strerror-override.h" | ||
30 | #include "verify.h" | ||
34 | 31 | ||
35 | /* Use the system functions, not the gnulib overrides in this file. */ | 32 | /* Use the system functions, not the gnulib overrides in this file. */ |
36 | # undef sprintf | 33 | #undef sprintf |
37 | |||
38 | # undef strerror | ||
39 | # if ! HAVE_DECL_STRERROR | ||
40 | # define strerror(n) NULL | ||
41 | # endif | ||
42 | 34 | ||
43 | char * | 35 | char * |
44 | rpl_strerror (int n) | 36 | strerror (int n) |
37 | #undef strerror | ||
45 | { | 38 | { |
46 | char const *msg = NULL; | 39 | static char buf[STACKBUF_LEN]; |
47 | /* These error messages are taken from glibc/sysdeps/gnu/errlist.c. */ | 40 | size_t len; |
48 | switch (n) | ||
49 | { | ||
50 | # if GNULIB_defined_ETXTBSY | ||
51 | case ETXTBSY: | ||
52 | msg = "Text file busy"; | ||
53 | break; | ||
54 | # endif | ||
55 | |||
56 | # if GNULIB_defined_ESOCK /* native Windows platforms */ | ||
57 | /* EWOULDBLOCK is the same as EAGAIN. */ | ||
58 | case EINPROGRESS: | ||
59 | msg = "Operation now in progress"; | ||
60 | break; | ||
61 | case EALREADY: | ||
62 | msg = "Operation already in progress"; | ||
63 | break; | ||
64 | case ENOTSOCK: | ||
65 | msg = "Socket operation on non-socket"; | ||
66 | break; | ||
67 | case EDESTADDRREQ: | ||
68 | msg = "Destination address required"; | ||
69 | break; | ||
70 | case EMSGSIZE: | ||
71 | msg = "Message too long"; | ||
72 | break; | ||
73 | case EPROTOTYPE: | ||
74 | msg = "Protocol wrong type for socket"; | ||
75 | break; | ||
76 | case ENOPROTOOPT: | ||
77 | msg = "Protocol not available"; | ||
78 | break; | ||
79 | case EPROTONOSUPPORT: | ||
80 | msg = "Protocol not supported"; | ||
81 | break; | ||
82 | case ESOCKTNOSUPPORT: | ||
83 | msg = "Socket type not supported"; | ||
84 | break; | ||
85 | case EOPNOTSUPP: | ||
86 | msg = "Operation not supported"; | ||
87 | break; | ||
88 | case EPFNOSUPPORT: | ||
89 | msg = "Protocol family not supported"; | ||
90 | break; | ||
91 | case EAFNOSUPPORT: | ||
92 | msg = "Address family not supported by protocol"; | ||
93 | break; | ||
94 | case EADDRINUSE: | ||
95 | msg = "Address already in use"; | ||
96 | break; | ||
97 | case EADDRNOTAVAIL: | ||
98 | msg = "Cannot assign requested address"; | ||
99 | break; | ||
100 | case ENETDOWN: | ||
101 | msg = "Network is down"; | ||
102 | break; | ||
103 | case ENETUNREACH: | ||
104 | msg = "Network is unreachable"; | ||
105 | break; | ||
106 | case ENETRESET: | ||
107 | msg = "Network dropped connection on reset"; | ||
108 | break; | ||
109 | case ECONNABORTED: | ||
110 | msg = "Software caused connection abort"; | ||
111 | break; | ||
112 | case ECONNRESET: | ||
113 | msg = "Connection reset by peer"; | ||
114 | break; | ||
115 | case ENOBUFS: | ||
116 | msg = "No buffer space available"; | ||
117 | break; | ||
118 | case EISCONN: | ||
119 | msg = "Transport endpoint is already connected"; | ||
120 | break; | ||
121 | case ENOTCONN: | ||
122 | msg = "Transport endpoint is not connected"; | ||
123 | break; | ||
124 | case ESHUTDOWN: | ||
125 | msg = "Cannot send after transport endpoint shutdown"; | ||
126 | break; | ||
127 | case ETOOMANYREFS: | ||
128 | msg = "Too many references: cannot splice"; | ||
129 | break; | ||
130 | case ETIMEDOUT: | ||
131 | msg = "Connection timed out"; | ||
132 | break; | ||
133 | case ECONNREFUSED: | ||
134 | msg = "Connection refused"; | ||
135 | break; | ||
136 | case ELOOP: | ||
137 | msg = "Too many levels of symbolic links"; | ||
138 | break; | ||
139 | case EHOSTDOWN: | ||
140 | msg = "Host is down"; | ||
141 | break; | ||
142 | case EHOSTUNREACH: | ||
143 | msg = "No route to host"; | ||
144 | break; | ||
145 | case EPROCLIM: | ||
146 | msg = "Too many processes"; | ||
147 | break; | ||
148 | case EUSERS: | ||
149 | msg = "Too many users"; | ||
150 | break; | ||
151 | case EDQUOT: | ||
152 | msg = "Disk quota exceeded"; | ||
153 | break; | ||
154 | case ESTALE: | ||
155 | msg = "Stale NFS file handle"; | ||
156 | break; | ||
157 | case EREMOTE: | ||
158 | msg = "Object is remote"; | ||
159 | break; | ||
160 | # if HAVE_WINSOCK2_H | ||
161 | /* WSA_INVALID_HANDLE maps to EBADF */ | ||
162 | /* WSA_NOT_ENOUGH_MEMORY maps to ENOMEM */ | ||
163 | /* WSA_INVALID_PARAMETER maps to EINVAL */ | ||
164 | case WSA_OPERATION_ABORTED: | ||
165 | msg = "Overlapped operation aborted"; | ||
166 | break; | ||
167 | case WSA_IO_INCOMPLETE: | ||
168 | msg = "Overlapped I/O event object not in signaled state"; | ||
169 | break; | ||
170 | case WSA_IO_PENDING: | ||
171 | msg = "Overlapped operations will complete later"; | ||
172 | break; | ||
173 | /* WSAEINTR maps to EINTR */ | ||
174 | /* WSAEBADF maps to EBADF */ | ||
175 | /* WSAEACCES maps to EACCES */ | ||
176 | /* WSAEFAULT maps to EFAULT */ | ||
177 | /* WSAEINVAL maps to EINVAL */ | ||
178 | /* WSAEMFILE maps to EMFILE */ | ||
179 | /* WSAEWOULDBLOCK maps to EWOULDBLOCK */ | ||
180 | /* WSAEINPROGRESS is EINPROGRESS */ | ||
181 | /* WSAEALREADY is EALREADY */ | ||
182 | /* WSAENOTSOCK is ENOTSOCK */ | ||
183 | /* WSAEDESTADDRREQ is EDESTADDRREQ */ | ||
184 | /* WSAEMSGSIZE is EMSGSIZE */ | ||
185 | /* WSAEPROTOTYPE is EPROTOTYPE */ | ||
186 | /* WSAENOPROTOOPT is ENOPROTOOPT */ | ||
187 | /* WSAEPROTONOSUPPORT is EPROTONOSUPPORT */ | ||
188 | /* WSAESOCKTNOSUPPORT is ESOCKTNOSUPPORT */ | ||
189 | /* WSAEOPNOTSUPP is EOPNOTSUPP */ | ||
190 | /* WSAEPFNOSUPPORT is EPFNOSUPPORT */ | ||
191 | /* WSAEAFNOSUPPORT is EAFNOSUPPORT */ | ||
192 | /* WSAEADDRINUSE is EADDRINUSE */ | ||
193 | /* WSAEADDRNOTAVAIL is EADDRNOTAVAIL */ | ||
194 | /* WSAENETDOWN is ENETDOWN */ | ||
195 | /* WSAENETUNREACH is ENETUNREACH */ | ||
196 | /* WSAENETRESET is ENETRESET */ | ||
197 | /* WSAECONNABORTED is ECONNABORTED */ | ||
198 | /* WSAECONNRESET is ECONNRESET */ | ||
199 | /* WSAENOBUFS is ENOBUFS */ | ||
200 | /* WSAEISCONN is EISCONN */ | ||
201 | /* WSAENOTCONN is ENOTCONN */ | ||
202 | /* WSAESHUTDOWN is ESHUTDOWN */ | ||
203 | /* WSAETOOMANYREFS is ETOOMANYREFS */ | ||
204 | /* WSAETIMEDOUT is ETIMEDOUT */ | ||
205 | /* WSAECONNREFUSED is ECONNREFUSED */ | ||
206 | /* WSAELOOP is ELOOP */ | ||
207 | /* WSAENAMETOOLONG maps to ENAMETOOLONG */ | ||
208 | /* WSAEHOSTDOWN is EHOSTDOWN */ | ||
209 | /* WSAEHOSTUNREACH is EHOSTUNREACH */ | ||
210 | /* WSAENOTEMPTY maps to ENOTEMPTY */ | ||
211 | /* WSAEPROCLIM is EPROCLIM */ | ||
212 | /* WSAEUSERS is EUSERS */ | ||
213 | /* WSAEDQUOT is EDQUOT */ | ||
214 | /* WSAESTALE is ESTALE */ | ||
215 | /* WSAEREMOTE is EREMOTE */ | ||
216 | case WSASYSNOTREADY: | ||
217 | msg = "Network subsystem is unavailable"; | ||
218 | break; | ||
219 | case WSAVERNOTSUPPORTED: | ||
220 | msg = "Winsock.dll version out of range"; | ||
221 | break; | ||
222 | case WSANOTINITIALISED: | ||
223 | msg = "Successful WSAStartup not yet performed"; | ||
224 | break; | ||
225 | case WSAEDISCON: | ||
226 | msg = "Graceful shutdown in progress"; | ||
227 | break; | ||
228 | case WSAENOMORE: case WSA_E_NO_MORE: | ||
229 | msg = "No more results"; | ||
230 | break; | ||
231 | case WSAECANCELLED: case WSA_E_CANCELLED: | ||
232 | msg = "Call was canceled"; | ||
233 | break; | ||
234 | case WSAEINVALIDPROCTABLE: | ||
235 | msg = "Procedure call table is invalid"; | ||
236 | break; | ||
237 | case WSAEINVALIDPROVIDER: | ||
238 | msg = "Service provider is invalid"; | ||
239 | break; | ||
240 | case WSAEPROVIDERFAILEDINIT: | ||
241 | msg = "Service provider failed to initialize"; | ||
242 | break; | ||
243 | case WSASYSCALLFAILURE: | ||
244 | msg = "System call failure"; | ||
245 | break; | ||
246 | case WSASERVICE_NOT_FOUND: | ||
247 | msg = "Service not found"; | ||
248 | break; | ||
249 | case WSATYPE_NOT_FOUND: | ||
250 | msg = "Class type not found"; | ||
251 | break; | ||
252 | case WSAEREFUSED: | ||
253 | msg = "Database query was refused"; | ||
254 | break; | ||
255 | case WSAHOST_NOT_FOUND: | ||
256 | msg = "Host not found"; | ||
257 | break; | ||
258 | case WSATRY_AGAIN: | ||
259 | msg = "Nonauthoritative host not found"; | ||
260 | break; | ||
261 | case WSANO_RECOVERY: | ||
262 | msg = "Nonrecoverable error"; | ||
263 | break; | ||
264 | case WSANO_DATA: | ||
265 | msg = "Valid name, no data record of requested type"; | ||
266 | break; | ||
267 | /* WSA_QOS_* omitted */ | ||
268 | # endif | ||
269 | # endif | ||
270 | |||
271 | # if GNULIB_defined_ENOMSG | ||
272 | case ENOMSG: | ||
273 | msg = "No message of desired type"; | ||
274 | break; | ||
275 | # endif | ||
276 | |||
277 | # if GNULIB_defined_EIDRM | ||
278 | case EIDRM: | ||
279 | msg = "Identifier removed"; | ||
280 | break; | ||
281 | # endif | ||
282 | |||
283 | # if GNULIB_defined_ENOLINK | ||
284 | case ENOLINK: | ||
285 | msg = "Link has been severed"; | ||
286 | break; | ||
287 | # endif | ||
288 | |||
289 | # if GNULIB_defined_EPROTO | ||
290 | case EPROTO: | ||
291 | msg = "Protocol error"; | ||
292 | break; | ||
293 | # endif | ||
294 | |||
295 | # if GNULIB_defined_EMULTIHOP | ||
296 | case EMULTIHOP: | ||
297 | msg = "Multihop attempted"; | ||
298 | break; | ||
299 | # endif | ||
300 | |||
301 | # if GNULIB_defined_EBADMSG | ||
302 | case EBADMSG: | ||
303 | msg = "Bad message"; | ||
304 | break; | ||
305 | # endif | ||
306 | |||
307 | # if GNULIB_defined_EOVERFLOW | ||
308 | case EOVERFLOW: | ||
309 | msg = "Value too large for defined data type"; | ||
310 | break; | ||
311 | # endif | ||
312 | |||
313 | # if GNULIB_defined_ENOTSUP | ||
314 | case ENOTSUP: | ||
315 | msg = "Not supported"; | ||
316 | break; | ||
317 | # endif | ||
318 | |||
319 | # if GNULIB_defined_ESTALE | ||
320 | case ESTALE: | ||
321 | msg = "Stale NFS file handle"; | ||
322 | break; | ||
323 | # endif | ||
324 | |||
325 | # if GNULIB_defined_ECANCELED | ||
326 | case ECANCELED: | ||
327 | msg = "Operation canceled"; | ||
328 | break; | ||
329 | # endif | ||
330 | } | ||
331 | 41 | ||
42 | /* Cast away const, due to the historical signature of strerror; | ||
43 | callers should not be modifying the string. */ | ||
44 | const char *msg = strerror_override (n); | ||
332 | if (msg) | 45 | if (msg) |
333 | return (char *) msg; | 46 | return (char *) msg; |
334 | 47 | ||
335 | { | 48 | msg = strerror (n); |
336 | char *result = strerror (n); | ||
337 | 49 | ||
338 | if (result == NULL || result[0] == '\0') | 50 | /* Our strerror_r implementation might use the system's strerror |
339 | { | 51 | buffer, so all other clients of strerror have to see the error |
340 | static char const fmt[] = "Unknown error (%d)"; | 52 | copied into a buffer that we manage. This is not thread-safe, |
341 | static char msg_buf[sizeof fmt + INT_STRLEN_BOUND (n)]; | 53 | even if the system strerror is, but portable programs shouldn't |
342 | sprintf (msg_buf, fmt, n); | 54 | be using strerror if they care about thread-safety. */ |
343 | return msg_buf; | 55 | if (!msg || !*msg) |
344 | } | 56 | { |
57 | static char const fmt[] = "Unknown error %d"; | ||
58 | verify (sizeof buf >= sizeof (fmt) + INT_STRLEN_BOUND (n)); | ||
59 | sprintf (buf, fmt, n); | ||
60 | errno = EINVAL; | ||
61 | return buf; | ||
62 | } | ||
345 | 63 | ||
346 | return result; | 64 | /* Fix STACKBUF_LEN if this ever aborts. */ |
347 | } | 65 | len = strlen (msg); |
348 | } | 66 | if (sizeof buf <= len) |
67 | abort (); | ||
349 | 68 | ||
350 | #endif | 69 | return memcpy (buf, msg, len + 1); |
70 | } | ||