Apache Portable Runtime
apr_errno.h
Go to the documentation of this file.
1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements. See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License. You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef APR_ERRNO_H
18 #define APR_ERRNO_H
19 
20 /**
21  * @file apr_errno.h
22  * @brief APR Error Codes
23  */
24 
25 #include "apr.h"
26 
27 #if APR_HAVE_ERRNO_H
28 #include <errno.h>
29 #endif
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif /* __cplusplus */
34 
35 /**
36  * @defgroup apr_errno Error Codes
37  * @ingroup APR
38  * @{
39  */
40 
41 /**
42  * Type for specifying an error or status code.
43  */
44 typedef int apr_status_t;
45 
46 /**
47  * Return a human readable string describing the specified error.
48  * @param statcode The error code to get a string for.
49  * @param buf A buffer to hold the error string.
50  * @param bufsize Size of the buffer to hold the string.
51  */
52 APR_DECLARE(char *) apr_strerror(apr_status_t statcode, char *buf,
53  apr_size_t bufsize);
54 
55 #if defined(DOXYGEN)
56 /**
57  * @def APR_FROM_OS_ERROR(os_err_type syserr)
58  * Fold a platform specific error into an apr_status_t code.
59  * @return apr_status_t
60  * @param e The platform os error code.
61  * @warning macro implementation; the syserr argument may be evaluated
62  * multiple times.
63  */
64 #define APR_FROM_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e + APR_OS_START_SYSERR)
65 
66 /**
67  * @def APR_TO_OS_ERROR(apr_status_t statcode)
68  * @return os_err_type
69  * Fold an apr_status_t code back to the native platform defined error.
70  * @param e The apr_status_t folded platform os error code.
71  * @warning macro implementation; the statcode argument may be evaluated
72  * multiple times. If the statcode was not created by apr_get_os_error
73  * or APR_FROM_OS_ERROR, the results are undefined.
74  */
75 #define APR_TO_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e - APR_OS_START_SYSERR)
76 
77 /** @def apr_get_os_error()
78  * @return apr_status_t the last platform error, folded into apr_status_t, on most platforms
79  * @remark This retrieves errno, or calls a GetLastError() style function, and
80  * folds it with APR_FROM_OS_ERROR. Some platforms (such as OS2) have no
81  * such mechanism, so this call may be unsupported. Do NOT use this
82  * call for socket errors from socket, send, recv etc!
83  */
84 
85 /** @def apr_set_os_error(e)
86  * Reset the last platform error, unfolded from an apr_status_t, on some platforms
87  * @param e The OS error folded in a prior call to APR_FROM_OS_ERROR()
88  * @warning This is a macro implementation; the statcode argument may be evaluated
89  * multiple times. If the statcode was not created by apr_get_os_error
90  * or APR_FROM_OS_ERROR, the results are undefined. This macro sets
91  * errno, or calls a SetLastError() style function, unfolding statcode
92  * with APR_TO_OS_ERROR. Some platforms (such as OS2) have no such
93  * mechanism, so this call may be unsupported.
94  */
95 
96 /** @def apr_get_netos_error()
97  * Return the last socket error, folded into apr_status_t, on all platforms
98  * @remark This retrieves errno or calls a GetLastSocketError() style function,
99  * and folds it with APR_FROM_OS_ERROR.
100  */
101 
102 /** @def apr_set_netos_error(e)
103  * Reset the last socket error, unfolded from an apr_status_t
104  * @param e The socket error folded in a prior call to APR_FROM_OS_ERROR()
105  * @warning This is a macro implementation; the statcode argument may be evaluated
106  * multiple times. If the statcode was not created by apr_get_os_error
107  * or APR_FROM_OS_ERROR, the results are undefined. This macro sets
108  * errno, or calls a WSASetLastError() style function, unfolding
109  * socketcode with APR_TO_OS_ERROR.
110  */
111 
112 #endif /* defined(DOXYGEN) */
113 
114 /**
115  * APR_OS_START_ERROR is where the APR specific error values start.
116  */
117 #define APR_OS_START_ERROR 20000
118 /**
119  * APR_OS_ERRSPACE_SIZE is the maximum number of errors you can fit
120  * into one of the error/status ranges below -- except for
121  * APR_OS_START_USERERR, which see.
122  */
123 #define APR_OS_ERRSPACE_SIZE 50000
124 /**
125  * APR_UTIL_ERRSPACE_SIZE is the size of the space that is reserved for
126  * use within apr-util. This space is reserved above that used by APR
127  * internally.
128  * @note This number MUST be smaller than APR_OS_ERRSPACE_SIZE by a
129  * large enough amount that APR has sufficient room for its
130  * codes.
131  */
132 #define APR_UTIL_ERRSPACE_SIZE 20000
133 /**
134  * APR_OS_START_STATUS is where the APR specific status codes start.
135  */
136 #define APR_OS_START_STATUS (APR_OS_START_ERROR + APR_OS_ERRSPACE_SIZE)
137 /**
138  * APR_UTIL_START_STATUS is where APR-Util starts defining its
139  * status codes.
140  */
141 #define APR_UTIL_START_STATUS (APR_OS_START_STATUS + \
142  (APR_OS_ERRSPACE_SIZE - APR_UTIL_ERRSPACE_SIZE))
143 /**
144  * APR_OS_START_USERERR are reserved for applications that use APR that
145  * layer their own error codes along with APR's. Note that the
146  * error immediately following this one is set ten times farther
147  * away than usual, so that users of apr have a lot of room in
148  * which to declare custom error codes.
149  *
150  * In general applications should try and create unique error codes. To try
151  * and assist in finding suitable ranges of numbers to use, the following
152  * ranges are known to be used by the listed applications. If your
153  * application defines error codes please advise the range of numbers it
154  * uses to dev@apr.apache.org for inclusion in this list.
155  *
156  * Ranges shown are in relation to APR_OS_START_USERERR
157  *
158  * Subversion - Defined ranges, of less than 100, at intervals of 5000
159  * starting at an offset of 5000, e.g.
160  * +5000 to 5100, +10000 to 10100
161  *
162  * Apache HTTPD - +2000 to 2999
163  */
164 #define APR_OS_START_USERERR (APR_OS_START_STATUS + APR_OS_ERRSPACE_SIZE)
165 /**
166  * APR_OS_START_USEERR is obsolete, defined for compatibility only.
167  * Use APR_OS_START_USERERR instead.
168  */
169 #define APR_OS_START_USEERR APR_OS_START_USERERR
170 /**
171  * APR_OS_START_CANONERR is where APR versions of errno values are defined
172  * on systems which don't have the corresponding errno.
173  */
174 #define APR_OS_START_CANONERR (APR_OS_START_USERERR \
175  + (APR_OS_ERRSPACE_SIZE * 10))
176 /**
177  * APR_OS_START_EAIERR folds EAI_ error codes from getaddrinfo() into
178  * apr_status_t values.
179  */
180 #define APR_OS_START_EAIERR (APR_OS_START_CANONERR + APR_OS_ERRSPACE_SIZE)
181 /**
182  * APR_OS_START_SYSERR folds platform-specific system error values into
183  * apr_status_t values.
184  */
185 #define APR_OS_START_SYSERR (APR_OS_START_EAIERR + APR_OS_ERRSPACE_SIZE)
186 
187 /**
188  * @defgroup APR_ERROR_map APR Error Space
189  * <PRE>
190  * The following attempts to show the relation of the various constants
191  * used for mapping APR Status codes.
192  *
193  * 0
194  *
195  * 20,000 APR_OS_START_ERROR
196  *
197  * + APR_OS_ERRSPACE_SIZE (50,000)
198  *
199  * 70,000 APR_OS_START_STATUS
200  *
201  * + APR_OS_ERRSPACE_SIZE - APR_UTIL_ERRSPACE_SIZE (30,000)
202  *
203  * 100,000 APR_UTIL_START_STATUS
204  *
205  * + APR_UTIL_ERRSPACE_SIZE (20,000)
206  *
207  * 120,000 APR_OS_START_USERERR
208  *
209  * + 10 x APR_OS_ERRSPACE_SIZE (50,000 * 10)
210  *
211  * 620,000 APR_OS_START_CANONERR
212  *
213  * + APR_OS_ERRSPACE_SIZE (50,000)
214  *
215  * 670,000 APR_OS_START_EAIERR
216  *
217  * + APR_OS_ERRSPACE_SIZE (50,000)
218  *
219  * 720,000 APR_OS_START_SYSERR
220  *
221  * </PRE>
222  */
223 
224 /** no error. */
225 #define APR_SUCCESS 0
226 
227 /**
228  * @defgroup APR_Error APR Error Values
229  * <PRE>
230  * <b>APR ERROR VALUES</b>
231  * APR_ENOSTAT APR was unable to perform a stat on the file
232  * APR_ENOPOOL APR was not provided a pool with which to allocate memory
233  * APR_EBADDATE APR was given an invalid date
234  * APR_EINVALSOCK APR was given an invalid socket
235  * APR_ENOPROC APR was not given a process structure
236  * APR_ENOTIME APR was not given a time structure
237  * APR_ENODIR APR was not given a directory structure
238  * APR_ENOLOCK APR was not given a lock structure
239  * APR_ENOPOLL APR was not given a poll structure
240  * APR_ENOSOCKET APR was not given a socket
241  * APR_ENOTHREAD APR was not given a thread structure
242  * APR_ENOTHDKEY APR was not given a thread key structure
243  * APR_ENOSHMAVAIL There is no more shared memory available
244  * APR_EDSOOPEN APR was unable to open the dso object. For more
245  * information call apr_dso_error().
246  * APR_EGENERAL General failure (specific information not available)
247  * APR_EBADIP The specified IP address is invalid
248  * APR_EBADMASK The specified netmask is invalid
249  * APR_ESYMNOTFOUND Could not find the requested symbol
250  * APR_ENOTENOUGHENTROPY Not enough entropy to continue
251  * </PRE>
252  *
253  * <PRE>
254  * <b>APR STATUS VALUES</b>
255  * APR_INCHILD Program is currently executing in the child
256  * APR_INPARENT Program is currently executing in the parent
257  * APR_DETACH The thread is detached
258  * APR_NOTDETACH The thread is not detached
259  * APR_CHILD_DONE The child has finished executing
260  * APR_CHILD_NOTDONE The child has not finished executing
261  * APR_TIMEUP The operation did not finish before the timeout
262  * APR_INCOMPLETE The operation was incomplete although some processing
263  * was performed and the results are partially valid
264  * APR_BADCH Getopt found an option not in the option string
265  * APR_BADARG Getopt found an option that is missing an argument
266  * and an argument was specified in the option string
267  * APR_EOF APR has encountered the end of the file
268  * APR_NOTFOUND APR was unable to find the socket in the poll structure
269  * APR_ANONYMOUS APR is using anonymous shared memory
270  * APR_FILEBASED APR is using a file name as the key to the shared memory
271  * APR_KEYBASED APR is using a shared key as the key to the shared memory
272  * APR_EINIT Ininitalizer value. If no option has been found, but
273  * the status variable requires a value, this should be used
274  * APR_ENOTIMPL The APR function has not been implemented on this
275  * platform, either because nobody has gotten to it yet,
276  * or the function is impossible on this platform.
277  * APR_EMISMATCH Two passwords do not match.
278  * APR_EABSOLUTE The given path was absolute.
279  * APR_ERELATIVE The given path was relative.
280  * APR_EINCOMPLETE The given path was neither relative nor absolute.
281  * APR_EABOVEROOT The given path was above the root path.
282  * APR_EBUSY The given lock was busy.
283  * APR_EPROC_UNKNOWN The given process wasn't recognized by APR
284  * </PRE>
285  * @{
286  */
287 /** @see APR_STATUS_IS_ENOSTAT */
288 #define APR_ENOSTAT (APR_OS_START_ERROR + 1)
289 /** @see APR_STATUS_IS_ENOPOOL */
290 #define APR_ENOPOOL (APR_OS_START_ERROR + 2)
291 /* empty slot: +3 */
292 /** @see APR_STATUS_IS_EBADDATE */
293 #define APR_EBADDATE (APR_OS_START_ERROR + 4)
294 /** @see APR_STATUS_IS_EINVALSOCK */
295 #define APR_EINVALSOCK (APR_OS_START_ERROR + 5)
296 /** @see APR_STATUS_IS_ENOPROC */
297 #define APR_ENOPROC (APR_OS_START_ERROR + 6)
298 /** @see APR_STATUS_IS_ENOTIME */
299 #define APR_ENOTIME (APR_OS_START_ERROR + 7)
300 /** @see APR_STATUS_IS_ENODIR */
301 #define APR_ENODIR (APR_OS_START_ERROR + 8)
302 /** @see APR_STATUS_IS_ENOLOCK */
303 #define APR_ENOLOCK (APR_OS_START_ERROR + 9)
304 /** @see APR_STATUS_IS_ENOPOLL */
305 #define APR_ENOPOLL (APR_OS_START_ERROR + 10)
306 /** @see APR_STATUS_IS_ENOSOCKET */
307 #define APR_ENOSOCKET (APR_OS_START_ERROR + 11)
308 /** @see APR_STATUS_IS_ENOTHREAD */
309 #define APR_ENOTHREAD (APR_OS_START_ERROR + 12)
310 /** @see APR_STATUS_IS_ENOTHDKEY */
311 #define APR_ENOTHDKEY (APR_OS_START_ERROR + 13)
312 /** @see APR_STATUS_IS_EGENERAL */
313 #define APR_EGENERAL (APR_OS_START_ERROR + 14)
314 /** @see APR_STATUS_IS_ENOSHMAVAIL */
315 #define APR_ENOSHMAVAIL (APR_OS_START_ERROR + 15)
316 /** @see APR_STATUS_IS_EBADIP */
317 #define APR_EBADIP (APR_OS_START_ERROR + 16)
318 /** @see APR_STATUS_IS_EBADMASK */
319 #define APR_EBADMASK (APR_OS_START_ERROR + 17)
320 /* empty slot: +18 */
321 /** @see APR_STATUS_IS_EDSOPEN */
322 #define APR_EDSOOPEN (APR_OS_START_ERROR + 19)
323 /** @see APR_STATUS_IS_EABSOLUTE */
324 #define APR_EABSOLUTE (APR_OS_START_ERROR + 20)
325 /** @see APR_STATUS_IS_ERELATIVE */
326 #define APR_ERELATIVE (APR_OS_START_ERROR + 21)
327 /** @see APR_STATUS_IS_EINCOMPLETE */
328 #define APR_EINCOMPLETE (APR_OS_START_ERROR + 22)
329 /** @see APR_STATUS_IS_EABOVEROOT */
330 #define APR_EABOVEROOT (APR_OS_START_ERROR + 23)
331 /** @see APR_STATUS_IS_EBADPATH */
332 #define APR_EBADPATH (APR_OS_START_ERROR + 24)
333 /** @see APR_STATUS_IS_EPATHWILD */
334 #define APR_EPATHWILD (APR_OS_START_ERROR + 25)
335 /** @see APR_STATUS_IS_ESYMNOTFOUND */
336 #define APR_ESYMNOTFOUND (APR_OS_START_ERROR + 26)
337 /** @see APR_STATUS_IS_EPROC_UNKNOWN */
338 #define APR_EPROC_UNKNOWN (APR_OS_START_ERROR + 27)
339 /** @see APR_STATUS_IS_ENOTENOUGHENTROPY */
340 #define APR_ENOTENOUGHENTROPY (APR_OS_START_ERROR + 28)
341 /** @} */
342 
343 /**
344  * @defgroup APR_STATUS_IS Status Value Tests
345  * @warning For any particular error condition, more than one of these tests
346  * may match. This is because platform-specific error codes may not
347  * always match the semantics of the POSIX codes these tests (and the
348  * corresponding APR error codes) are named after. A notable example
349  * are the APR_STATUS_IS_ENOENT and APR_STATUS_IS_ENOTDIR tests on
350  * Win32 platforms. The programmer should always be aware of this and
351  * adjust the order of the tests accordingly.
352  * @{
353  */
354 /**
355  * APR was unable to perform a stat on the file
356  * @warning always use this test, as platform-specific variances may meet this
357  * more than one error code
358  */
359 #define APR_STATUS_IS_ENOSTAT(s) ((s) == APR_ENOSTAT)
360 /**
361  * APR was not provided a pool with which to allocate memory
362  * @warning always use this test, as platform-specific variances may meet this
363  * more than one error code
364  */
365 #define APR_STATUS_IS_ENOPOOL(s) ((s) == APR_ENOPOOL)
366 /** APR was given an invalid date */
367 #define APR_STATUS_IS_EBADDATE(s) ((s) == APR_EBADDATE)
368 /** APR was given an invalid socket */
369 #define APR_STATUS_IS_EINVALSOCK(s) ((s) == APR_EINVALSOCK)
370 /** APR was not given a process structure */
371 #define APR_STATUS_IS_ENOPROC(s) ((s) == APR_ENOPROC)
372 /** APR was not given a time structure */
373 #define APR_STATUS_IS_ENOTIME(s) ((s) == APR_ENOTIME)
374 /** APR was not given a directory structure */
375 #define APR_STATUS_IS_ENODIR(s) ((s) == APR_ENODIR)
376 /** APR was not given a lock structure */
377 #define APR_STATUS_IS_ENOLOCK(s) ((s) == APR_ENOLOCK)
378 /** APR was not given a poll structure */
379 #define APR_STATUS_IS_ENOPOLL(s) ((s) == APR_ENOPOLL)
380 /** APR was not given a socket */
381 #define APR_STATUS_IS_ENOSOCKET(s) ((s) == APR_ENOSOCKET)
382 /** APR was not given a thread structure */
383 #define APR_STATUS_IS_ENOTHREAD(s) ((s) == APR_ENOTHREAD)
384 /** APR was not given a thread key structure */
385 #define APR_STATUS_IS_ENOTHDKEY(s) ((s) == APR_ENOTHDKEY)
386 /** Generic Error which can not be put into another spot */
387 #define APR_STATUS_IS_EGENERAL(s) ((s) == APR_EGENERAL)
388 /** There is no more shared memory available */
389 #define APR_STATUS_IS_ENOSHMAVAIL(s) ((s) == APR_ENOSHMAVAIL)
390 /** The specified IP address is invalid */
391 #define APR_STATUS_IS_EBADIP(s) ((s) == APR_EBADIP)
392 /** The specified netmask is invalid */
393 #define APR_STATUS_IS_EBADMASK(s) ((s) == APR_EBADMASK)
394 /* empty slot: +18 */
395 /**
396  * APR was unable to open the dso object.
397  * For more information call apr_dso_error().
398  */
399 #if defined(WIN32)
400 #define APR_STATUS_IS_EDSOOPEN(s) ((s) == APR_EDSOOPEN \
401  || APR_TO_OS_ERROR(s) == ERROR_MOD_NOT_FOUND)
402 #else
403 #define APR_STATUS_IS_EDSOOPEN(s) ((s) == APR_EDSOOPEN)
404 #endif
405 /** The given path was absolute. */
406 #define APR_STATUS_IS_EABSOLUTE(s) ((s) == APR_EABSOLUTE)
407 /** The given path was relative. */
408 #define APR_STATUS_IS_ERELATIVE(s) ((s) == APR_ERELATIVE)
409 /** The given path was neither relative nor absolute. */
410 #define APR_STATUS_IS_EINCOMPLETE(s) ((s) == APR_EINCOMPLETE)
411 /** The given path was above the root path. */
412 #define APR_STATUS_IS_EABOVEROOT(s) ((s) == APR_EABOVEROOT)
413 /** The given path was bad. */
414 #define APR_STATUS_IS_EBADPATH(s) ((s) == APR_EBADPATH)
415 /** The given path contained wildcards. */
416 #define APR_STATUS_IS_EPATHWILD(s) ((s) == APR_EPATHWILD)
417 /** Could not find the requested symbol.
418  * For more information call apr_dso_error().
419  */
420 #if defined(WIN32)
421 #define APR_STATUS_IS_ESYMNOTFOUND(s) ((s) == APR_ESYMNOTFOUND \
422  || APR_TO_OS_ERROR(s) == ERROR_PROC_NOT_FOUND)
423 #else
424 #define APR_STATUS_IS_ESYMNOTFOUND(s) ((s) == APR_ESYMNOTFOUND)
425 #endif
426 /** The given process was not recognized by APR. */
427 #define APR_STATUS_IS_EPROC_UNKNOWN(s) ((s) == APR_EPROC_UNKNOWN)
428 /** APR could not gather enough entropy to continue. */
429 #define APR_STATUS_IS_ENOTENOUGHENTROPY(s) ((s) == APR_ENOTENOUGHENTROPY)
430 
431 /** @} */
432 
433 /**
434  * @addtogroup APR_Error
435  * @{
436  */
437 /** @see APR_STATUS_IS_INCHILD */
438 #define APR_INCHILD (APR_OS_START_STATUS + 1)
439 /** @see APR_STATUS_IS_INPARENT */
440 #define APR_INPARENT (APR_OS_START_STATUS + 2)
441 /** @see APR_STATUS_IS_DETACH */
442 #define APR_DETACH (APR_OS_START_STATUS + 3)
443 /** @see APR_STATUS_IS_NOTDETACH */
444 #define APR_NOTDETACH (APR_OS_START_STATUS + 4)
445 /** @see APR_STATUS_IS_CHILD_DONE */
446 #define APR_CHILD_DONE (APR_OS_START_STATUS + 5)
447 /** @see APR_STATUS_IS_CHILD_NOTDONE */
448 #define APR_CHILD_NOTDONE (APR_OS_START_STATUS + 6)
449 /** @see APR_STATUS_IS_TIMEUP */
450 #define APR_TIMEUP (APR_OS_START_STATUS + 7)
451 /** @see APR_STATUS_IS_INCOMPLETE */
452 #define APR_INCOMPLETE (APR_OS_START_STATUS + 8)
453 /* empty slot: +9 */
454 /* empty slot: +10 */
455 /* empty slot: +11 */
456 /** @see APR_STATUS_IS_BADCH */
457 #define APR_BADCH (APR_OS_START_STATUS + 12)
458 /** @see APR_STATUS_IS_BADARG */
459 #define APR_BADARG (APR_OS_START_STATUS + 13)
460 /** @see APR_STATUS_IS_EOF */
461 #define APR_EOF (APR_OS_START_STATUS + 14)
462 /** @see APR_STATUS_IS_NOTFOUND */
463 #define APR_NOTFOUND (APR_OS_START_STATUS + 15)
464 /* empty slot: +16 */
465 /* empty slot: +17 */
466 /* empty slot: +18 */
467 /** @see APR_STATUS_IS_ANONYMOUS */
468 #define APR_ANONYMOUS (APR_OS_START_STATUS + 19)
469 /** @see APR_STATUS_IS_FILEBASED */
470 #define APR_FILEBASED (APR_OS_START_STATUS + 20)
471 /** @see APR_STATUS_IS_KEYBASED */
472 #define APR_KEYBASED (APR_OS_START_STATUS + 21)
473 /** @see APR_STATUS_IS_EINIT */
474 #define APR_EINIT (APR_OS_START_STATUS + 22)
475 /** @see APR_STATUS_IS_ENOTIMPL */
476 #define APR_ENOTIMPL (APR_OS_START_STATUS + 23)
477 /** @see APR_STATUS_IS_EMISMATCH */
478 #define APR_EMISMATCH (APR_OS_START_STATUS + 24)
479 /** @see APR_STATUS_IS_EBUSY */
480 #define APR_EBUSY (APR_OS_START_STATUS + 25)
481 /** @} */
482 
483 /**
484  * @addtogroup APR_STATUS_IS
485  * @{
486  */
487 /**
488  * Program is currently executing in the child
489  * @warning
490  * always use this test, as platform-specific variances may meet this
491  * more than one error code */
492 #define APR_STATUS_IS_INCHILD(s) ((s) == APR_INCHILD)
493 /**
494  * Program is currently executing in the parent
495  * @warning
496  * always use this test, as platform-specific variances may meet this
497  * more than one error code
498  */
499 #define APR_STATUS_IS_INPARENT(s) ((s) == APR_INPARENT)
500 /**
501  * The thread is detached
502  * @warning
503  * always use this test, as platform-specific variances may meet this
504  * more than one error code
505  */
506 #define APR_STATUS_IS_DETACH(s) ((s) == APR_DETACH)
507 /**
508  * The thread is not detached
509  * @warning
510  * always use this test, as platform-specific variances may meet this
511  * more than one error code
512  */
513 #define APR_STATUS_IS_NOTDETACH(s) ((s) == APR_NOTDETACH)
514 /**
515  * The child has finished executing
516  * @warning
517  * always use this test, as platform-specific variances may meet this
518  * more than one error code
519  */
520 #define APR_STATUS_IS_CHILD_DONE(s) ((s) == APR_CHILD_DONE)
521 /**
522  * The child has not finished executing
523  * @warning
524  * always use this test, as platform-specific variances may meet this
525  * more than one error code
526  */
527 #define APR_STATUS_IS_CHILD_NOTDONE(s) ((s) == APR_CHILD_NOTDONE)
528 /**
529  * The operation did not finish before the timeout
530  * @warning
531  * always use this test, as platform-specific variances may meet this
532  * more than one error code
533  */
534 #define APR_STATUS_IS_TIMEUP(s) ((s) == APR_TIMEUP)
535 /**
536  * The operation was incomplete although some processing was performed
537  * and the results are partially valid.
538  * @warning
539  * always use this test, as platform-specific variances may meet this
540  * more than one error code
541  */
542 #define APR_STATUS_IS_INCOMPLETE(s) ((s) == APR_INCOMPLETE)
543 /* empty slot: +9 */
544 /* empty slot: +10 */
545 /* empty slot: +11 */
546 /**
547  * Getopt found an option not in the option string
548  * @warning
549  * always use this test, as platform-specific variances may meet this
550  * more than one error code
551  */
552 #define APR_STATUS_IS_BADCH(s) ((s) == APR_BADCH)
553 /**
554  * Getopt found an option not in the option string and an argument was
555  * specified in the option string
556  * @warning
557  * always use this test, as platform-specific variances may meet this
558  * more than one error code
559  */
560 #define APR_STATUS_IS_BADARG(s) ((s) == APR_BADARG)
561 /**
562  * APR has encountered the end of the file
563  * @warning
564  * always use this test, as platform-specific variances may meet this
565  * more than one error code
566  */
567 #define APR_STATUS_IS_EOF(s) ((s) == APR_EOF)
568 /**
569  * APR was unable to find the socket in the poll structure
570  * @warning
571  * always use this test, as platform-specific variances may meet this
572  * more than one error code
573  */
574 #define APR_STATUS_IS_NOTFOUND(s) ((s) == APR_NOTFOUND)
575 /* empty slot: +16 */
576 /* empty slot: +17 */
577 /* empty slot: +18 */
578 /**
579  * APR is using anonymous shared memory
580  * @warning
581  * always use this test, as platform-specific variances may meet this
582  * more than one error code
583  */
584 #define APR_STATUS_IS_ANONYMOUS(s) ((s) == APR_ANONYMOUS)
585 /**
586  * APR is using a file name as the key to the shared memory
587  * @warning
588  * always use this test, as platform-specific variances may meet this
589  * more than one error code
590  */
591 #define APR_STATUS_IS_FILEBASED(s) ((s) == APR_FILEBASED)
592 /**
593  * APR is using a shared key as the key to the shared memory
594  * @warning
595  * always use this test, as platform-specific variances may meet this
596  * more than one error code
597  */
598 #define APR_STATUS_IS_KEYBASED(s) ((s) == APR_KEYBASED)
599 /**
600  * Ininitalizer value. If no option has been found, but
601  * the status variable requires a value, this should be used
602  * @warning
603  * always use this test, as platform-specific variances may meet this
604  * more than one error code
605  */
606 #define APR_STATUS_IS_EINIT(s) ((s) == APR_EINIT)
607 /**
608  * The APR function has not been implemented on this
609  * platform, either because nobody has gotten to it yet,
610  * or the function is impossible on this platform.
611  * @warning
612  * always use this test, as platform-specific variances may meet this
613  * more than one error code
614  */
615 #define APR_STATUS_IS_ENOTIMPL(s) ((s) == APR_ENOTIMPL)
616 /**
617  * Two passwords do not match.
618  * @warning
619  * always use this test, as platform-specific variances may meet this
620  * more than one error code
621  */
622 #define APR_STATUS_IS_EMISMATCH(s) ((s) == APR_EMISMATCH)
623 /**
624  * The given lock was busy
625  * @warning always use this test, as platform-specific variances may meet this
626  * more than one error code
627  */
628 #define APR_STATUS_IS_EBUSY(s) ((s) == APR_EBUSY)
629 
630 /** @} */
631 
632 /**
633  * @addtogroup APR_Error APR Error Values
634  * @{
635  */
636 /* APR CANONICAL ERROR VALUES */
637 /** @see APR_STATUS_IS_EACCES */
638 #ifdef EACCES
639 #define APR_EACCES EACCES
640 #else
641 #define APR_EACCES (APR_OS_START_CANONERR + 1)
642 #endif
643 
644 /** @see APR_STATUS_IS_EEXIST */
645 #ifdef EEXIST
646 #define APR_EEXIST EEXIST
647 #else
648 #define APR_EEXIST (APR_OS_START_CANONERR + 2)
649 #endif
650 
651 /** @see APR_STATUS_IS_ENAMETOOLONG */
652 #ifdef ENAMETOOLONG
653 #define APR_ENAMETOOLONG ENAMETOOLONG
654 #else
655 #define APR_ENAMETOOLONG (APR_OS_START_CANONERR + 3)
656 #endif
657 
658 /** @see APR_STATUS_IS_ENOENT */
659 #ifdef ENOENT
660 #define APR_ENOENT ENOENT
661 #else
662 #define APR_ENOENT (APR_OS_START_CANONERR + 4)
663 #endif
664 
665 /** @see APR_STATUS_IS_ENOTDIR */
666 #ifdef ENOTDIR
667 #define APR_ENOTDIR ENOTDIR
668 #else
669 #define APR_ENOTDIR (APR_OS_START_CANONERR + 5)
670 #endif
671 
672 /** @see APR_STATUS_IS_ENOSPC */
673 #ifdef ENOSPC
674 #define APR_ENOSPC ENOSPC
675 #else
676 #define APR_ENOSPC (APR_OS_START_CANONERR + 6)
677 #endif
678 
679 /** @see APR_STATUS_IS_ENOMEM */
680 #ifdef ENOMEM
681 #define APR_ENOMEM ENOMEM
682 #else
683 #define APR_ENOMEM (APR_OS_START_CANONERR + 7)
684 #endif
685 
686 /** @see APR_STATUS_IS_EMFILE */
687 #ifdef EMFILE
688 #define APR_EMFILE EMFILE
689 #else
690 #define APR_EMFILE (APR_OS_START_CANONERR + 8)
691 #endif
692 
693 /** @see APR_STATUS_IS_ENFILE */
694 #ifdef ENFILE
695 #define APR_ENFILE ENFILE
696 #else
697 #define APR_ENFILE (APR_OS_START_CANONERR + 9)
698 #endif
699 
700 /** @see APR_STATUS_IS_EBADF */
701 #ifdef EBADF
702 #define APR_EBADF EBADF
703 #else
704 #define APR_EBADF (APR_OS_START_CANONERR + 10)
705 #endif
706 
707 /** @see APR_STATUS_IS_EINVAL */
708 #ifdef EINVAL
709 #define APR_EINVAL EINVAL
710 #else
711 #define APR_EINVAL (APR_OS_START_CANONERR + 11)
712 #endif
713 
714 /** @see APR_STATUS_IS_ESPIPE */
715 #ifdef ESPIPE
716 #define APR_ESPIPE ESPIPE
717 #else
718 #define APR_ESPIPE (APR_OS_START_CANONERR + 12)
719 #endif
720 
721 /**
722  * @see APR_STATUS_IS_EAGAIN
723  * @warning use APR_STATUS_IS_EAGAIN instead of just testing this value
724  */
725 #ifdef EAGAIN
726 #define APR_EAGAIN EAGAIN
727 #elif defined(EWOULDBLOCK)
728 #define APR_EAGAIN EWOULDBLOCK
729 #else
730 #define APR_EAGAIN (APR_OS_START_CANONERR + 13)
731 #endif
732 
733 /** @see APR_STATUS_IS_EINTR */
734 #ifdef EINTR
735 #define APR_EINTR EINTR
736 #else
737 #define APR_EINTR (APR_OS_START_CANONERR + 14)
738 #endif
739 
740 /** @see APR_STATUS_IS_ENOTSOCK */
741 #ifdef ENOTSOCK
742 #define APR_ENOTSOCK ENOTSOCK
743 #else
744 #define APR_ENOTSOCK (APR_OS_START_CANONERR + 15)
745 #endif
746 
747 /** @see APR_STATUS_IS_ECONNREFUSED */
748 #ifdef ECONNREFUSED
749 #define APR_ECONNREFUSED ECONNREFUSED
750 #else
751 #define APR_ECONNREFUSED (APR_OS_START_CANONERR + 16)
752 #endif
753 
754 /** @see APR_STATUS_IS_EINPROGRESS */
755 #ifdef EINPROGRESS
756 #define APR_EINPROGRESS EINPROGRESS
757 #else
758 #define APR_EINPROGRESS (APR_OS_START_CANONERR + 17)
759 #endif
760 
761 /**
762  * @see APR_STATUS_IS_ECONNABORTED
763  * @warning use APR_STATUS_IS_ECONNABORTED instead of just testing this value
764  */
765 
766 #ifdef ECONNABORTED
767 #define APR_ECONNABORTED ECONNABORTED
768 #else
769 #define APR_ECONNABORTED (APR_OS_START_CANONERR + 18)
770 #endif
771 
772 /** @see APR_STATUS_IS_ECONNRESET */
773 #ifdef ECONNRESET
774 #define APR_ECONNRESET ECONNRESET
775 #else
776 #define APR_ECONNRESET (APR_OS_START_CANONERR + 19)
777 #endif
778 
779 /** @see APR_STATUS_IS_ETIMEDOUT
780  * @deprecated */
781 #ifdef ETIMEDOUT
782 #define APR_ETIMEDOUT ETIMEDOUT
783 #else
784 #define APR_ETIMEDOUT (APR_OS_START_CANONERR + 20)
785 #endif
786 
787 /** @see APR_STATUS_IS_EHOSTUNREACH */
788 #ifdef EHOSTUNREACH
789 #define APR_EHOSTUNREACH EHOSTUNREACH
790 #else
791 #define APR_EHOSTUNREACH (APR_OS_START_CANONERR + 21)
792 #endif
793 
794 /** @see APR_STATUS_IS_ENETUNREACH */
795 #ifdef ENETUNREACH
796 #define APR_ENETUNREACH ENETUNREACH
797 #else
798 #define APR_ENETUNREACH (APR_OS_START_CANONERR + 22)
799 #endif
800 
801 /** @see APR_STATUS_IS_EFTYPE */
802 #ifdef EFTYPE
803 #define APR_EFTYPE EFTYPE
804 #else
805 #define APR_EFTYPE (APR_OS_START_CANONERR + 23)
806 #endif
807 
808 /** @see APR_STATUS_IS_EPIPE */
809 #ifdef EPIPE
810 #define APR_EPIPE EPIPE
811 #else
812 #define APR_EPIPE (APR_OS_START_CANONERR + 24)
813 #endif
814 
815 /** @see APR_STATUS_IS_EXDEV */
816 #ifdef EXDEV
817 #define APR_EXDEV EXDEV
818 #else
819 #define APR_EXDEV (APR_OS_START_CANONERR + 25)
820 #endif
821 
822 /** @see APR_STATUS_IS_ENOTEMPTY */
823 #ifdef ENOTEMPTY
824 #define APR_ENOTEMPTY ENOTEMPTY
825 #else
826 #define APR_ENOTEMPTY (APR_OS_START_CANONERR + 26)
827 #endif
828 
829 /** @see APR_STATUS_IS_EAFNOSUPPORT */
830 #ifdef EAFNOSUPPORT
831 #define APR_EAFNOSUPPORT EAFNOSUPPORT
832 #else
833 #define APR_EAFNOSUPPORT (APR_OS_START_CANONERR + 27)
834 #endif
835 
836 /** @see APR_STATUS_IS_EOPNOTSUPP */
837 #ifdef EOPNOTSUPP
838 #define APR_EOPNOTSUPP EOPNOTSUPP
839 #else
840 #define APR_EOPNOTSUPP (APR_OS_START_CANONERR + 28)
841 #endif
842 
843 /** @see APR_STATUS_IS_ERANGE */
844 #ifdef ERANGE
845 #define APR_ERANGE ERANGE
846 #else
847 #define APR_ERANGE (APR_OS_START_CANONERR + 29)
848 #endif
849 
850 /** @} */
851 
852 #if defined(OS2) && !defined(DOXYGEN)
853 
854 #define APR_FROM_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e + APR_OS_START_SYSERR)
855 #define APR_TO_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e - APR_OS_START_SYSERR)
856 
857 #define INCL_DOSERRORS
858 #define INCL_DOS
859 
860 /* Leave these undefined.
861  * OS2 doesn't rely on the errno concept.
862  * The API calls always return a result codes which
863  * should be filtered through APR_FROM_OS_ERROR().
864  *
865  * #define apr_get_os_error() (APR_FROM_OS_ERROR(GetLastError()))
866  * #define apr_set_os_error(e) (SetLastError(APR_TO_OS_ERROR(e)))
867  */
868 
869 /* A special case, only socket calls require this;
870  */
871 #define apr_get_netos_error() (APR_FROM_OS_ERROR(errno))
872 #define apr_set_netos_error(e) (errno = APR_TO_OS_ERROR(e))
873 
874 /* And this needs to be greped away for good:
875  */
876 #define APR_OS2_STATUS(e) (APR_FROM_OS_ERROR(e))
877 
878 /* These can't sit in a private header, so in spite of the extra size,
879  * they need to be made available here.
880  */
881 #define SOCBASEERR 10000
882 #define SOCEPERM (SOCBASEERR+1) /* Not owner */
883 #define SOCESRCH (SOCBASEERR+3) /* No such process */
884 #define SOCEINTR (SOCBASEERR+4) /* Interrupted system call */
885 #define SOCENXIO (SOCBASEERR+6) /* No such device or address */
886 #define SOCEBADF (SOCBASEERR+9) /* Bad file number */
887 #define SOCEACCES (SOCBASEERR+13) /* Permission denied */
888 #define SOCEFAULT (SOCBASEERR+14) /* Bad address */
889 #define SOCEINVAL (SOCBASEERR+22) /* Invalid argument */
890 #define SOCEMFILE (SOCBASEERR+24) /* Too many open files */
891 #define SOCEPIPE (SOCBASEERR+32) /* Broken pipe */
892 #define SOCEOS2ERR (SOCBASEERR+100) /* OS/2 Error */
893 #define SOCEWOULDBLOCK (SOCBASEERR+35) /* Operation would block */
894 #define SOCEINPROGRESS (SOCBASEERR+36) /* Operation now in progress */
895 #define SOCEALREADY (SOCBASEERR+37) /* Operation already in progress */
896 #define SOCENOTSOCK (SOCBASEERR+38) /* Socket operation on non-socket */
897 #define SOCEDESTADDRREQ (SOCBASEERR+39) /* Destination address required */
898 #define SOCEMSGSIZE (SOCBASEERR+40) /* Message too long */
899 #define SOCEPROTOTYPE (SOCBASEERR+41) /* Protocol wrong type for socket */
900 #define SOCENOPROTOOPT (SOCBASEERR+42) /* Protocol not available */
901 #define SOCEPROTONOSUPPORT (SOCBASEERR+43) /* Protocol not supported */
902 #define SOCESOCKTNOSUPPORT (SOCBASEERR+44) /* Socket type not supported */
903 #define SOCEOPNOTSUPP (SOCBASEERR+45) /* Operation not supported on socket */
904 #define SOCEPFNOSUPPORT (SOCBASEERR+46) /* Protocol family not supported */
905 #define SOCEAFNOSUPPORT (SOCBASEERR+47) /* Address family not supported by protocol family */
906 #define SOCEADDRINUSE (SOCBASEERR+48) /* Address already in use */
907 #define SOCEADDRNOTAVAIL (SOCBASEERR+49) /* Can't assign requested address */
908 #define SOCENETDOWN (SOCBASEERR+50) /* Network is down */
909 #define SOCENETUNREACH (SOCBASEERR+51) /* Network is unreachable */
910 #define SOCENETRESET (SOCBASEERR+52) /* Network dropped connection on reset */
911 #define SOCECONNABORTED (SOCBASEERR+53) /* Software caused connection abort */
912 #define SOCECONNRESET (SOCBASEERR+54) /* Connection reset by peer */
913 #define SOCENOBUFS (SOCBASEERR+55) /* No buffer space available */
914 #define SOCEISCONN (SOCBASEERR+56) /* Socket is already connected */
915 #define SOCENOTCONN (SOCBASEERR+57) /* Socket is not connected */
916 #define SOCESHUTDOWN (SOCBASEERR+58) /* Can't send after socket shutdown */
917 #define SOCETOOMANYREFS (SOCBASEERR+59) /* Too many references: can't splice */
918 #define SOCETIMEDOUT (SOCBASEERR+60) /* Connection timed out */
919 #define SOCECONNREFUSED (SOCBASEERR+61) /* Connection refused */
920 #define SOCELOOP (SOCBASEERR+62) /* Too many levels of symbolic links */
921 #define SOCENAMETOOLONG (SOCBASEERR+63) /* File name too long */
922 #define SOCEHOSTDOWN (SOCBASEERR+64) /* Host is down */
923 #define SOCEHOSTUNREACH (SOCBASEERR+65) /* No route to host */
924 #define SOCENOTEMPTY (SOCBASEERR+66) /* Directory not empty */
925 
926 /* APR CANONICAL ERROR TESTS */
927 #define APR_STATUS_IS_EACCES(s) ((s) == APR_EACCES \
928  || (s) == APR_OS_START_SYSERR + ERROR_ACCESS_DENIED \
929  || (s) == APR_OS_START_SYSERR + ERROR_SHARING_VIOLATION)
930 #define APR_STATUS_IS_EEXIST(s) ((s) == APR_EEXIST \
931  || (s) == APR_OS_START_SYSERR + ERROR_OPEN_FAILED \
932  || (s) == APR_OS_START_SYSERR + ERROR_FILE_EXISTS \
933  || (s) == APR_OS_START_SYSERR + ERROR_ALREADY_EXISTS \
934  || (s) == APR_OS_START_SYSERR + ERROR_ACCESS_DENIED)
935 #define APR_STATUS_IS_ENAMETOOLONG(s) ((s) == APR_ENAMETOOLONG \
936  || (s) == APR_OS_START_SYSERR + ERROR_FILENAME_EXCED_RANGE \
937  || (s) == APR_OS_START_SYSERR + SOCENAMETOOLONG)
938 #define APR_STATUS_IS_ENOENT(s) ((s) == APR_ENOENT \
939  || (s) == APR_OS_START_SYSERR + ERROR_FILE_NOT_FOUND \
940  || (s) == APR_OS_START_SYSERR + ERROR_PATH_NOT_FOUND \
941  || (s) == APR_OS_START_SYSERR + ERROR_NO_MORE_FILES \
942  || (s) == APR_OS_START_SYSERR + ERROR_OPEN_FAILED)
943 #define APR_STATUS_IS_ENOTDIR(s) ((s) == APR_ENOTDIR)
944 #define APR_STATUS_IS_ENOSPC(s) ((s) == APR_ENOSPC \
945  || (s) == APR_OS_START_SYSERR + ERROR_DISK_FULL)
946 #define APR_STATUS_IS_ENOMEM(s) ((s) == APR_ENOMEM)
947 #define APR_STATUS_IS_EMFILE(s) ((s) == APR_EMFILE \
948  || (s) == APR_OS_START_SYSERR + ERROR_TOO_MANY_OPEN_FILES)
949 #define APR_STATUS_IS_ENFILE(s) ((s) == APR_ENFILE)
950 #define APR_STATUS_IS_EBADF(s) ((s) == APR_EBADF \
951  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_HANDLE)
952 #define APR_STATUS_IS_EINVAL(s) ((s) == APR_EINVAL \
953  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_PARAMETER \
954  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_FUNCTION)
955 #define APR_STATUS_IS_ESPIPE(s) ((s) == APR_ESPIPE \
956  || (s) == APR_OS_START_SYSERR + ERROR_NEGATIVE_SEEK)
957 #define APR_STATUS_IS_EAGAIN(s) ((s) == APR_EAGAIN \
958  || (s) == APR_OS_START_SYSERR + ERROR_NO_DATA \
959  || (s) == APR_OS_START_SYSERR + SOCEWOULDBLOCK \
960  || (s) == APR_OS_START_SYSERR + ERROR_LOCK_VIOLATION)
961 #define APR_STATUS_IS_EINTR(s) ((s) == APR_EINTR \
962  || (s) == APR_OS_START_SYSERR + SOCEINTR)
963 #define APR_STATUS_IS_ENOTSOCK(s) ((s) == APR_ENOTSOCK \
964  || (s) == APR_OS_START_SYSERR + SOCENOTSOCK)
965 #define APR_STATUS_IS_ECONNREFUSED(s) ((s) == APR_ECONNREFUSED \
966  || (s) == APR_OS_START_SYSERR + SOCECONNREFUSED)
967 #define APR_STATUS_IS_EINPROGRESS(s) ((s) == APR_EINPROGRESS \
968  || (s) == APR_OS_START_SYSERR + SOCEINPROGRESS)
969 #define APR_STATUS_IS_ECONNABORTED(s) ((s) == APR_ECONNABORTED \
970  || (s) == APR_OS_START_SYSERR + SOCECONNABORTED)
971 #define APR_STATUS_IS_ECONNRESET(s) ((s) == APR_ECONNRESET \
972  || (s) == APR_OS_START_SYSERR + SOCECONNRESET)
973 /* XXX deprecated */
974 #define APR_STATUS_IS_ETIMEDOUT(s) ((s) == APR_ETIMEDOUT \
975  || (s) == APR_OS_START_SYSERR + SOCETIMEDOUT)
976 #undef APR_STATUS_IS_TIMEUP
977 #define APR_STATUS_IS_TIMEUP(s) ((s) == APR_TIMEUP \
978  || (s) == APR_OS_START_SYSERR + SOCETIMEDOUT)
979 #define APR_STATUS_IS_EHOSTUNREACH(s) ((s) == APR_EHOSTUNREACH \
980  || (s) == APR_OS_START_SYSERR + SOCEHOSTUNREACH)
981 #define APR_STATUS_IS_ENETUNREACH(s) ((s) == APR_ENETUNREACH \
982  || (s) == APR_OS_START_SYSERR + SOCENETUNREACH)
983 #define APR_STATUS_IS_EFTYPE(s) ((s) == APR_EFTYPE)
984 #define APR_STATUS_IS_EPIPE(s) ((s) == APR_EPIPE \
985  || (s) == APR_OS_START_SYSERR + ERROR_BROKEN_PIPE \
986  || (s) == APR_OS_START_SYSERR + SOCEPIPE)
987 #define APR_STATUS_IS_EXDEV(s) ((s) == APR_EXDEV \
988  || (s) == APR_OS_START_SYSERR + ERROR_NOT_SAME_DEVICE)
989 #define APR_STATUS_IS_ENOTEMPTY(s) ((s) == APR_ENOTEMPTY \
990  || (s) == APR_OS_START_SYSERR + ERROR_DIR_NOT_EMPTY \
991  || (s) == APR_OS_START_SYSERR + ERROR_ACCESS_DENIED)
992 #define APR_STATUS_IS_EAFNOSUPPORT(s) ((s) == APR_AFNOSUPPORT \
993  || (s) == APR_OS_START_SYSERR + SOCEAFNOSUPPORT)
994 #define APR_STATUS_IS_EOPNOTSUPP(s) ((s) == APR_EOPNOTSUPP \
995  || (s) == APR_OS_START_SYSERR + SOCEOPNOTSUPP)
996 #define APR_STATUS_IS_ERANGE(s) ((s) == APR_ERANGE)
997 
998 /*
999  Sorry, too tired to wrap this up for OS2... feel free to
1000  fit the following into their best matches.
1001 
1002  { ERROR_NO_SIGNAL_SENT, ESRCH },
1003  { SOCEALREADY, EALREADY },
1004  { SOCEDESTADDRREQ, EDESTADDRREQ },
1005  { SOCEMSGSIZE, EMSGSIZE },
1006  { SOCEPROTOTYPE, EPROTOTYPE },
1007  { SOCENOPROTOOPT, ENOPROTOOPT },
1008  { SOCEPROTONOSUPPORT, EPROTONOSUPPORT },
1009  { SOCESOCKTNOSUPPORT, ESOCKTNOSUPPORT },
1010  { SOCEPFNOSUPPORT, EPFNOSUPPORT },
1011  { SOCEADDRINUSE, EADDRINUSE },
1012  { SOCEADDRNOTAVAIL, EADDRNOTAVAIL },
1013  { SOCENETDOWN, ENETDOWN },
1014  { SOCENETRESET, ENETRESET },
1015  { SOCENOBUFS, ENOBUFS },
1016  { SOCEISCONN, EISCONN },
1017  { SOCENOTCONN, ENOTCONN },
1018  { SOCESHUTDOWN, ESHUTDOWN },
1019  { SOCETOOMANYREFS, ETOOMANYREFS },
1020  { SOCELOOP, ELOOP },
1021  { SOCEHOSTDOWN, EHOSTDOWN },
1022  { SOCENOTEMPTY, ENOTEMPTY },
1023  { SOCEPIPE, EPIPE }
1024 */
1025 
1026 #elif defined(WIN32) && !defined(DOXYGEN) /* !defined(OS2) */
1027 
1028 #define APR_FROM_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e + APR_OS_START_SYSERR)
1029 #define APR_TO_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e - APR_OS_START_SYSERR)
1030 
1031 #define apr_get_os_error() (APR_FROM_OS_ERROR(GetLastError()))
1032 #define apr_set_os_error(e) (SetLastError(APR_TO_OS_ERROR(e)))
1033 
1034 /* A special case, only socket calls require this:
1035  */
1036 #define apr_get_netos_error() (APR_FROM_OS_ERROR(WSAGetLastError()))
1037 #define apr_set_netos_error(e) (WSASetLastError(APR_TO_OS_ERROR(e)))
1038 
1039 /* APR CANONICAL ERROR TESTS */
1040 #define APR_STATUS_IS_EACCES(s) ((s) == APR_EACCES \
1041  || (s) == APR_OS_START_SYSERR + ERROR_ACCESS_DENIED \
1042  || (s) == APR_OS_START_SYSERR + ERROR_CANNOT_MAKE \
1043  || (s) == APR_OS_START_SYSERR + ERROR_CURRENT_DIRECTORY \
1044  || (s) == APR_OS_START_SYSERR + ERROR_DRIVE_LOCKED \
1045  || (s) == APR_OS_START_SYSERR + ERROR_FAIL_I24 \
1046  || (s) == APR_OS_START_SYSERR + ERROR_LOCK_VIOLATION \
1047  || (s) == APR_OS_START_SYSERR + ERROR_LOCK_FAILED \
1048  || (s) == APR_OS_START_SYSERR + ERROR_NOT_LOCKED \
1049  || (s) == APR_OS_START_SYSERR + ERROR_NETWORK_ACCESS_DENIED \
1050  || (s) == APR_OS_START_SYSERR + ERROR_SHARING_VIOLATION)
1051 #define APR_STATUS_IS_EEXIST(s) ((s) == APR_EEXIST \
1052  || (s) == APR_OS_START_SYSERR + ERROR_FILE_EXISTS \
1053  || (s) == APR_OS_START_SYSERR + ERROR_ALREADY_EXISTS)
1054 #define APR_STATUS_IS_ENAMETOOLONG(s) ((s) == APR_ENAMETOOLONG \
1055  || (s) == APR_OS_START_SYSERR + ERROR_FILENAME_EXCED_RANGE \
1056  || (s) == APR_OS_START_SYSERR + WSAENAMETOOLONG)
1057 #define APR_STATUS_IS_ENOENT(s) ((s) == APR_ENOENT \
1058  || (s) == APR_OS_START_SYSERR + ERROR_FILE_NOT_FOUND \
1059  || (s) == APR_OS_START_SYSERR + ERROR_PATH_NOT_FOUND \
1060  || (s) == APR_OS_START_SYSERR + ERROR_OPEN_FAILED \
1061  || (s) == APR_OS_START_SYSERR + ERROR_NO_MORE_FILES)
1062 #define APR_STATUS_IS_ENOTDIR(s) ((s) == APR_ENOTDIR \
1063  || (s) == APR_OS_START_SYSERR + ERROR_PATH_NOT_FOUND \
1064  || (s) == APR_OS_START_SYSERR + ERROR_BAD_NETPATH \
1065  || (s) == APR_OS_START_SYSERR + ERROR_BAD_NET_NAME \
1066  || (s) == APR_OS_START_SYSERR + ERROR_BAD_PATHNAME \
1067  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_DRIVE \
1068  || (s) == APR_OS_START_SYSERR + ERROR_DIRECTORY)
1069 #define APR_STATUS_IS_ENOSPC(s) ((s) == APR_ENOSPC \
1070  || (s) == APR_OS_START_SYSERR + ERROR_DISK_FULL)
1071 #define APR_STATUS_IS_ENOMEM(s) ((s) == APR_ENOMEM \
1072  || (s) == APR_OS_START_SYSERR + ERROR_ARENA_TRASHED \
1073  || (s) == APR_OS_START_SYSERR + ERROR_NOT_ENOUGH_MEMORY \
1074  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_BLOCK \
1075  || (s) == APR_OS_START_SYSERR + ERROR_NOT_ENOUGH_QUOTA \
1076  || (s) == APR_OS_START_SYSERR + ERROR_OUTOFMEMORY)
1077 #define APR_STATUS_IS_EMFILE(s) ((s) == APR_EMFILE \
1078  || (s) == APR_OS_START_SYSERR + ERROR_TOO_MANY_OPEN_FILES)
1079 #define APR_STATUS_IS_ENFILE(s) ((s) == APR_ENFILE)
1080 #define APR_STATUS_IS_EBADF(s) ((s) == APR_EBADF \
1081  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_HANDLE \
1082  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_TARGET_HANDLE)
1083 #define APR_STATUS_IS_EINVAL(s) ((s) == APR_EINVAL \
1084  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_ACCESS \
1085  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_DATA \
1086  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_FUNCTION \
1087  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_HANDLE \
1088  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_PARAMETER \
1089  || (s) == APR_OS_START_SYSERR + ERROR_NEGATIVE_SEEK)
1090 #define APR_STATUS_IS_ESPIPE(s) ((s) == APR_ESPIPE \
1091  || (s) == APR_OS_START_SYSERR + ERROR_SEEK_ON_DEVICE \
1092  || (s) == APR_OS_START_SYSERR + ERROR_NEGATIVE_SEEK)
1093 #define APR_STATUS_IS_EAGAIN(s) ((s) == APR_EAGAIN \
1094  || (s) == APR_OS_START_SYSERR + ERROR_NO_DATA \
1095  || (s) == APR_OS_START_SYSERR + ERROR_NO_PROC_SLOTS \
1096  || (s) == APR_OS_START_SYSERR + ERROR_NESTING_NOT_ALLOWED \
1097  || (s) == APR_OS_START_SYSERR + ERROR_MAX_THRDS_REACHED \
1098  || (s) == APR_OS_START_SYSERR + ERROR_LOCK_VIOLATION \
1099  || (s) == APR_OS_START_SYSERR + WSAEWOULDBLOCK)
1100 #define APR_STATUS_IS_EINTR(s) ((s) == APR_EINTR \
1101  || (s) == APR_OS_START_SYSERR + WSAEINTR)
1102 #define APR_STATUS_IS_ENOTSOCK(s) ((s) == APR_ENOTSOCK \
1103  || (s) == APR_OS_START_SYSERR + WSAENOTSOCK)
1104 #define APR_STATUS_IS_ECONNREFUSED(s) ((s) == APR_ECONNREFUSED \
1105  || (s) == APR_OS_START_SYSERR + WSAECONNREFUSED)
1106 #define APR_STATUS_IS_EINPROGRESS(s) ((s) == APR_EINPROGRESS \
1107  || (s) == APR_OS_START_SYSERR + WSAEINPROGRESS)
1108 #define APR_STATUS_IS_ECONNABORTED(s) ((s) == APR_ECONNABORTED \
1109  || (s) == APR_OS_START_SYSERR + WSAECONNABORTED)
1110 #define APR_STATUS_IS_ECONNRESET(s) ((s) == APR_ECONNRESET \
1111  || (s) == APR_OS_START_SYSERR + ERROR_NETNAME_DELETED \
1112  || (s) == APR_OS_START_SYSERR + WSAECONNRESET)
1113 /* XXX deprecated */
1114 #define APR_STATUS_IS_ETIMEDOUT(s) ((s) == APR_ETIMEDOUT \
1115  || (s) == APR_OS_START_SYSERR + WSAETIMEDOUT \
1116  || (s) == APR_OS_START_SYSERR + WAIT_TIMEOUT)
1117 #undef APR_STATUS_IS_TIMEUP
1118 #define APR_STATUS_IS_TIMEUP(s) ((s) == APR_TIMEUP \
1119  || (s) == APR_OS_START_SYSERR + WSAETIMEDOUT \
1120  || (s) == APR_OS_START_SYSERR + WAIT_TIMEOUT)
1121 #define APR_STATUS_IS_EHOSTUNREACH(s) ((s) == APR_EHOSTUNREACH \
1122  || (s) == APR_OS_START_SYSERR + WSAEHOSTUNREACH)
1123 #define APR_STATUS_IS_ENETUNREACH(s) ((s) == APR_ENETUNREACH \
1124  || (s) == APR_OS_START_SYSERR + WSAENETUNREACH)
1125 #define APR_STATUS_IS_EFTYPE(s) ((s) == APR_EFTYPE \
1126  || (s) == APR_OS_START_SYSERR + ERROR_EXE_MACHINE_TYPE_MISMATCH \
1127  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_DLL \
1128  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_MODULETYPE \
1129  || (s) == APR_OS_START_SYSERR + ERROR_BAD_EXE_FORMAT \
1130  || (s) == APR_OS_START_SYSERR + ERROR_INVALID_EXE_SIGNATURE \
1131  || (s) == APR_OS_START_SYSERR + ERROR_FILE_CORRUPT \
1132  || (s) == APR_OS_START_SYSERR + ERROR_BAD_FORMAT)
1133 #define APR_STATUS_IS_EPIPE(s) ((s) == APR_EPIPE \
1134  || (s) == APR_OS_START_SYSERR + ERROR_BROKEN_PIPE)
1135 #define APR_STATUS_IS_EXDEV(s) ((s) == APR_EXDEV \
1136  || (s) == APR_OS_START_SYSERR + ERROR_NOT_SAME_DEVICE)
1137 #define APR_STATUS_IS_ENOTEMPTY(s) ((s) == APR_ENOTEMPTY \
1138  || (s) == APR_OS_START_SYSERR + ERROR_DIR_NOT_EMPTY)
1139 #define APR_STATUS_IS_EAFNOSUPPORT(s) ((s) == APR_EAFNOSUPPORT \
1140  || (s) == APR_OS_START_SYSERR + WSAEAFNOSUPPORT)
1141 #define APR_STATUS_IS_EOPNOTSUPP(s) ((s) == APR_EOPNOTSUPP \
1142  || (s) == APR_OS_START_SYSERR + WSAEOPNOTSUPP)
1143 #define APR_STATUS_IS_ERANGE(s) ((s) == APR_ERANGE)
1144 
1145 #elif defined(NETWARE) && defined(USE_WINSOCK) && !defined(DOXYGEN) /* !defined(OS2) && !defined(WIN32) */
1146 
1147 #define APR_FROM_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e + APR_OS_START_SYSERR)
1148 #define APR_TO_OS_ERROR(e) (e == 0 ? APR_SUCCESS : e - APR_OS_START_SYSERR)
1149 
1150 #define apr_get_os_error() (errno)
1151 #define apr_set_os_error(e) (errno = (e))
1152 
1153 /* A special case, only socket calls require this: */
1154 #define apr_get_netos_error() (APR_FROM_OS_ERROR(WSAGetLastError()))
1155 #define apr_set_netos_error(e) (WSASetLastError(APR_TO_OS_ERROR(e)))
1156 
1157 /* APR CANONICAL ERROR TESTS */
1158 #define APR_STATUS_IS_EACCES(s) ((s) == APR_EACCES)
1159 #define APR_STATUS_IS_EEXIST(s) ((s) == APR_EEXIST)
1160 #define APR_STATUS_IS_ENAMETOOLONG(s) ((s) == APR_ENAMETOOLONG)
1161 #define APR_STATUS_IS_ENOENT(s) ((s) == APR_ENOENT)
1162 #define APR_STATUS_IS_ENOTDIR(s) ((s) == APR_ENOTDIR)
1163 #define APR_STATUS_IS_ENOSPC(s) ((s) == APR_ENOSPC)
1164 #define APR_STATUS_IS_ENOMEM(s) ((s) == APR_ENOMEM)
1165 #define APR_STATUS_IS_EMFILE(s) ((s) == APR_EMFILE)
1166 #define APR_STATUS_IS_ENFILE(s) ((s) == APR_ENFILE)
1167 #define APR_STATUS_IS_EBADF(s) ((s) == APR_EBADF)
1168 #define APR_STATUS_IS_EINVAL(s) ((s) == APR_EINVAL)
1169 #define APR_STATUS_IS_ESPIPE(s) ((s) == APR_ESPIPE)
1170 
1171 #define APR_STATUS_IS_EAGAIN(s) ((s) == APR_EAGAIN \
1172  || (s) == EWOULDBLOCK \
1173  || (s) == APR_OS_START_SYSERR + WSAEWOULDBLOCK)
1174 #define APR_STATUS_IS_EINTR(s) ((s) == APR_EINTR \
1175  || (s) == APR_OS_START_SYSERR + WSAEINTR)
1176 #define APR_STATUS_IS_ENOTSOCK(s) ((s) == APR_ENOTSOCK \
1177  || (s) == APR_OS_START_SYSERR + WSAENOTSOCK)
1178 #define APR_STATUS_IS_ECONNREFUSED(s) ((s) == APR_ECONNREFUSED \
1179  || (s) == APR_OS_START_SYSERR + WSAECONNREFUSED)
1180 #define APR_STATUS_IS_EINPROGRESS(s) ((s) == APR_EINPROGRESS \
1181  || (s) == APR_OS_START_SYSERR + WSAEINPROGRESS)
1182 #define APR_STATUS_IS_ECONNABORTED(s) ((s) == APR_ECONNABORTED \
1183  || (s) == APR_OS_START_SYSERR + WSAECONNABORTED)
1184 #define APR_STATUS_IS_ECONNRESET(s) ((s) == APR_ECONNRESET \
1185  || (s) == APR_OS_START_SYSERR + WSAECONNRESET)
1186 /* XXX deprecated */
1187 #define APR_STATUS_IS_ETIMEDOUT(s) ((s) == APR_ETIMEDOUT \
1188  || (s) == APR_OS_START_SYSERR + WSAETIMEDOUT \
1189  || (s) == APR_OS_START_SYSERR + WAIT_TIMEOUT)
1190 #undef APR_STATUS_IS_TIMEUP
1191 #define APR_STATUS_IS_TIMEUP(s) ((s) == APR_TIMEUP \
1192  || (s) == APR_OS_START_SYSERR + WSAETIMEDOUT \
1193  || (s) == APR_OS_START_SYSERR + WAIT_TIMEOUT)
1194 #define APR_STATUS_IS_EHOSTUNREACH(s) ((s) == APR_EHOSTUNREACH \
1195  || (s) == APR_OS_START_SYSERR + WSAEHOSTUNREACH)
1196 #define APR_STATUS_IS_ENETUNREACH(s) ((s) == APR_ENETUNREACH \
1197  || (s) == APR_OS_START_SYSERR + WSAENETUNREACH)
1198 #define APR_STATUS_IS_ENETDOWN(s) ((s) == APR_OS_START_SYSERR + WSAENETDOWN)
1199 #define APR_STATUS_IS_EFTYPE(s) ((s) == APR_EFTYPE)
1200 #define APR_STATUS_IS_EPIPE(s) ((s) == APR_EPIPE)
1201 #define APR_STATUS_IS_EXDEV(s) ((s) == APR_EXDEV)
1202 #define APR_STATUS_IS_ENOTEMPTY(s) ((s) == APR_ENOTEMPTY)
1203 #define APR_STATUS_IS_EAFNOSUPPORT(s) ((s) == APR_EAFNOSUPPORT \
1204  || (s) == APR_OS_START_SYSERR + WSAEAFNOSUPPORT)
1205 #define APR_STATUS_IS_EOPNOTSUPP(s) ((s) == APR_EOPNOTSUPP \
1206  || (s) == APR_OS_START_SYSERR + WSAEOPNOTSUPP)
1207 #define APR_STATUS_IS_ERANGE(s) ((s) == APR_ERANGE)
1208 
1209 #else /* !defined(NETWARE) && !defined(OS2) && !defined(WIN32) */
1210 
1211 /*
1212  * os error codes are clib error codes
1213  */
1214 #define APR_FROM_OS_ERROR(e) (e)
1215 #define APR_TO_OS_ERROR(e) (e)
1216 
1217 #define apr_get_os_error() (errno)
1218 #define apr_set_os_error(e) (errno = (e))
1219 
1220 /* A special case, only socket calls require this:
1221  */
1222 #define apr_get_netos_error() (errno)
1223 #define apr_set_netos_error(e) (errno = (e))
1224 
1225 /**
1226  * @addtogroup APR_STATUS_IS
1227  * @{
1228  */
1229 
1230 /** permission denied */
1231 #define APR_STATUS_IS_EACCES(s) ((s) == APR_EACCES)
1232 /** file exists */
1233 #define APR_STATUS_IS_EEXIST(s) ((s) == APR_EEXIST)
1234 /** path name is too long */
1235 #define APR_STATUS_IS_ENAMETOOLONG(s) ((s) == APR_ENAMETOOLONG)
1236 /**
1237  * no such file or directory
1238  * @remark
1239  * EMVSCATLG can be returned by the automounter on z/OS for
1240  * paths which do not exist.
1241  */
1242 #ifdef EMVSCATLG
1243 #define APR_STATUS_IS_ENOENT(s) ((s) == APR_ENOENT \
1244  || (s) == EMVSCATLG)
1245 #else
1246 #define APR_STATUS_IS_ENOENT(s) ((s) == APR_ENOENT)
1247 #endif
1248 /** not a directory */
1249 #define APR_STATUS_IS_ENOTDIR(s) ((s) == APR_ENOTDIR)
1250 /** no space left on device */
1251 #ifdef EDQUOT
1252 #define APR_STATUS_IS_ENOSPC(s) ((s) == APR_ENOSPC \
1253  || (s) == EDQUOT)
1254 #else
1255 #define APR_STATUS_IS_ENOSPC(s) ((s) == APR_ENOSPC)
1256 #endif
1257 /** not enough memory */
1258 #define APR_STATUS_IS_ENOMEM(s) ((s) == APR_ENOMEM)
1259 /** too many open files */
1260 #define APR_STATUS_IS_EMFILE(s) ((s) == APR_EMFILE)
1261 /** file table overflow */
1262 #define APR_STATUS_IS_ENFILE(s) ((s) == APR_ENFILE)
1263 /** bad file # */
1264 #define APR_STATUS_IS_EBADF(s) ((s) == APR_EBADF)
1265 /** invalid argument */
1266 #define APR_STATUS_IS_EINVAL(s) ((s) == APR_EINVAL)
1267 /** illegal seek */
1268 #define APR_STATUS_IS_ESPIPE(s) ((s) == APR_ESPIPE)
1269 
1270 /** operation would block */
1271 #if !defined(EWOULDBLOCK) || !defined(EAGAIN)
1272 #define APR_STATUS_IS_EAGAIN(s) ((s) == APR_EAGAIN)
1273 #elif (EWOULDBLOCK == EAGAIN)
1274 #define APR_STATUS_IS_EAGAIN(s) ((s) == APR_EAGAIN)
1275 #else
1276 #define APR_STATUS_IS_EAGAIN(s) ((s) == APR_EAGAIN \
1277  || (s) == EWOULDBLOCK)
1278 #endif
1279 
1280 /** interrupted system call */
1281 #define APR_STATUS_IS_EINTR(s) ((s) == APR_EINTR)
1282 /** socket operation on a non-socket */
1283 #define APR_STATUS_IS_ENOTSOCK(s) ((s) == APR_ENOTSOCK)
1284 /** Connection Refused */
1285 #define APR_STATUS_IS_ECONNREFUSED(s) ((s) == APR_ECONNREFUSED)
1286 /** operation now in progress */
1287 #define APR_STATUS_IS_EINPROGRESS(s) ((s) == APR_EINPROGRESS)
1288 
1289 /**
1290  * Software caused connection abort
1291  * @remark
1292  * EPROTO on certain older kernels really means ECONNABORTED, so we need to
1293  * ignore it for them. See discussion in new-httpd archives nh.9701 & nh.9603
1294  *
1295  * There is potentially a bug in Solaris 2.x x<6, and other boxes that
1296  * implement tcp sockets in userland (i.e. on top of STREAMS). On these
1297  * systems, EPROTO can actually result in a fatal loop. See PR#981 for
1298  * example. It's hard to handle both uses of EPROTO.
1299  */
1300 #ifdef EPROTO
1301 #define APR_STATUS_IS_ECONNABORTED(s) ((s) == APR_ECONNABORTED \
1302  || (s) == EPROTO)
1303 #else
1304 #define APR_STATUS_IS_ECONNABORTED(s) ((s) == APR_ECONNABORTED)
1305 #endif
1306 
1307 /** Connection Reset by peer */
1308 #define APR_STATUS_IS_ECONNRESET(s) ((s) == APR_ECONNRESET)
1309 /** Operation timed out
1310  * @deprecated */
1311 #define APR_STATUS_IS_ETIMEDOUT(s) ((s) == APR_ETIMEDOUT)
1312 /** no route to host */
1313 #define APR_STATUS_IS_EHOSTUNREACH(s) ((s) == APR_EHOSTUNREACH)
1314 /** network is unreachable */
1315 #define APR_STATUS_IS_ENETUNREACH(s) ((s) == APR_ENETUNREACH)
1316 /** inappropriate file type or format */
1317 #define APR_STATUS_IS_EFTYPE(s) ((s) == APR_EFTYPE)
1318 /** broken pipe */
1319 #define APR_STATUS_IS_EPIPE(s) ((s) == APR_EPIPE)
1320 /** cross device link */
1321 #define APR_STATUS_IS_EXDEV(s) ((s) == APR_EXDEV)
1322 /** Directory Not Empty */
1323 #define APR_STATUS_IS_ENOTEMPTY(s) ((s) == APR_ENOTEMPTY || \
1324  (s) == APR_EEXIST)
1325 /** Address Family not supported */
1326 #define APR_STATUS_IS_EAFNOSUPPORT(s) ((s) == APR_EAFNOSUPPORT)
1327 /** Socket operation not supported */
1328 #define APR_STATUS_IS_EOPNOTSUPP(s) ((s) == APR_EOPNOTSUPP)
1329 
1330 /** Numeric value not representable */
1331 #define APR_STATUS_IS_ERANGE(s) ((s) == APR_ERANGE)
1332 /** @} */
1333 
1334 #endif /* !defined(NETWARE) && !defined(OS2) && !defined(WIN32) */
1335 
1336 /** @} */
1337 
1338 #ifdef __cplusplus
1339 }
1340 #endif
1341 
1342 #endif /* ! APR_ERRNO_H */
apr_strerror
char * apr_strerror(apr_status_t statcode, char *buf, apr_size_t bufsize)
APR_DECLARE
#define APR_DECLARE(type)
Definition: apr.h:480
apr.h
APR Platform Definitions.
apr_status_t
int apr_status_t
Definition: apr_errno.h:44
Generated by   doxygen 1.8.10