2 * error.c - logging and error code translation
6 * Copyright (C) 2012, 2013, 2014 Eric Biggers
8 * This file is free software; you can redistribute it and/or modify it under
9 * the terms of the GNU Lesser General Public License as published by the Free
10 * Software Foundation; either version 3 of the License, or (at your option) any
13 * This file is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this file; if not, see http://www.gnu.org/licenses/.
26 /* Make sure the POSIX-compatible strerror_r() is declared, rather than the GNU
27 * version, which has a different return type. */
29 # define GNU_SOURCE_WAS_DEFINED
31 # ifndef _POSIX_C_SOURCE
32 # define _POSIX_C_SOURCE 200112L
36 #ifdef GNU_SOURCE_WAS_DEFINED
44 #include "wimlib/error.h"
45 #include "wimlib/test_support.h"
46 #include "wimlib/util.h"
47 #include "wimlib/win32.h"
49 #ifdef ENABLE_ERROR_MESSAGES
50 bool wimlib_print_errors = false;
51 FILE *wimlib_error_file = NULL; /* Set in wimlib_global_init() */
52 static bool wimlib_owns_error_file = false;
55 wimlib_vmsg(const tchar *tag, const tchar *format, va_list va, bool perror)
57 if (!wimlib_print_errors)
59 int errno_save = errno;
61 tfputs(tag, wimlib_error_file);
62 tvfprintf(wimlib_error_file, format, va);
63 if (perror && errno_save != 0) {
66 res = tstrerror_r(errno_save, buf, ARRAY_LEN(buf));
69 T("unknown error (errno=%d)"),
73 if (errno_save == EBUSY)
74 tstrcpy(buf, T("Resource busy"));
76 tfprintf(wimlib_error_file, T(": %"TS), buf);
78 tputc(T('\n'), wimlib_error_file);
79 fflush(wimlib_error_file);
84 wimlib_error(const tchar *format, ...)
89 wimlib_vmsg(T("\r[ERROR] "), format, va, false);
94 wimlib_error_with_errno(const tchar *format, ...)
99 wimlib_vmsg(T("\r[ERROR] "), format, va, true);
104 wimlib_warning(const tchar *format, ...)
108 va_start(va, format);
109 wimlib_vmsg(T("\r[WARNING] "), format, va, false);
114 wimlib_warning_with_errno(const tchar *format, ...)
118 va_start(va, format);
119 wimlib_vmsg(T("\r[WARNING] "), format, va, true);
122 #endif /* ENABLE_ERROR_MESSAGES */
125 print_byte_field(const u8 *field, size_t len, FILE *out)
128 tfprintf(out, T("%02hhx"), *field++);
132 wimlib_set_print_errors(bool show_error_messages)
134 #ifdef ENABLE_ERROR_MESSAGES
135 wimlib_print_errors = show_error_messages;
137 if (show_error_messages)
138 return WIMLIB_ERR_UNSUPPORTED;
144 wimlib_set_error_file(FILE *fp)
146 #ifdef ENABLE_ERROR_MESSAGES
147 if (wimlib_owns_error_file)
148 fclose(wimlib_error_file);
149 wimlib_error_file = fp;
150 wimlib_print_errors = (fp != NULL);
151 wimlib_owns_error_file = false;
154 return WIMLIB_ERR_UNSUPPORTED;
159 wimlib_set_error_file_by_name(const tchar *path)
161 #ifdef ENABLE_ERROR_MESSAGES
165 fp = win32_open_logfile(path);
167 fp = fopen(path, "a");
170 return WIMLIB_ERR_OPEN;
171 wimlib_set_error_file(fp);
172 wimlib_owns_error_file = true;
175 return WIMLIB_ERR_UNSUPPORTED;
179 static const tchar * const error_strings[] = {
182 [WIMLIB_ERR_ALREADY_LOCKED]
183 = T("The WIM is already locked for writing"),
184 [WIMLIB_ERR_DECOMPRESSION]
185 = T("The WIM contains invalid compressed data"),
187 = T("An error was returned by fuse_main()"),
188 [WIMLIB_ERR_GLOB_HAD_NO_MATCHES]
189 = T("The provided file glob did not match any files"),
190 [WIMLIB_ERR_ICONV_NOT_AVAILABLE]
191 = T("The iconv() function does not seem to work. "
192 "Maybe check to make sure the directory /usr/lib/gconv exists"),
193 [WIMLIB_ERR_IMAGE_COUNT]
194 = T("Inconsistent image count among the metadata "
195 "resources, the WIM header, and/or the XML data"),
196 [WIMLIB_ERR_IMAGE_NAME_COLLISION]
197 = T("Tried to add an image with a name that is already in use"),
198 [WIMLIB_ERR_INSUFFICIENT_PRIVILEGES]
199 = T("The user does not have sufficient privileges"),
200 [WIMLIB_ERR_INTEGRITY]
201 = T("The WIM file is corrupted (failed integrity check)"),
202 [WIMLIB_ERR_INVALID_CAPTURE_CONFIG]
203 = T("The contents of the capture configuration file were invalid"),
204 [WIMLIB_ERR_INVALID_CHUNK_SIZE]
205 = T("The compression chunk size was unrecognized"),
206 [WIMLIB_ERR_INVALID_COMPRESSION_TYPE]
207 = T("The compression type was unrecognized"),
208 [WIMLIB_ERR_INVALID_HEADER]
209 = T("The WIM header was invalid"),
210 [WIMLIB_ERR_INVALID_IMAGE]
211 = T("Tried to select an image that does not exist in the WIM"),
212 [WIMLIB_ERR_INVALID_INTEGRITY_TABLE]
213 = T("The WIM's integrity table is invalid"),
214 [WIMLIB_ERR_INVALID_LOOKUP_TABLE_ENTRY]
215 = T("An entry in the WIM's lookup table is invalid"),
216 [WIMLIB_ERR_INVALID_METADATA_RESOURCE]
217 = T("The metadata resource is invalid"),
218 [WIMLIB_ERR_INVALID_MULTIBYTE_STRING]
219 = T("A string was not valid in the current locale's character encoding"),
220 [WIMLIB_ERR_INVALID_OVERLAY]
221 = T("Conflicting files in overlay when creating a WIM image"),
222 [WIMLIB_ERR_INVALID_PARAM]
223 = T("An invalid parameter was given"),
224 [WIMLIB_ERR_INVALID_PART_NUMBER]
225 = T("The part number or total parts of the WIM is invalid"),
226 [WIMLIB_ERR_INVALID_PIPABLE_WIM]
227 = T("The pipable WIM is invalid"),
228 [WIMLIB_ERR_INVALID_REPARSE_DATA]
229 = T("The reparse data of a reparse point was invalid"),
230 [WIMLIB_ERR_INVALID_RESOURCE_HASH]
231 = T("The SHA-1 message digest of a WIM resource did not match the expected value"),
232 [WIMLIB_ERR_INVALID_UTF8_STRING]
233 = T("A string provided as input by the user was not a valid UTF-8 string"),
234 [WIMLIB_ERR_INVALID_UTF16_STRING]
235 = T("A string in a WIM dentry is not a valid UTF-16LE string"),
236 [WIMLIB_ERR_IS_DIRECTORY]
237 = T("One of the specified paths to delete was a directory"),
238 [WIMLIB_ERR_IS_SPLIT_WIM]
239 = T("The WIM is part of a split WIM, which is not supported for this operation"),
241 = T("Failed to create a hard or symbolic link when extracting "
242 "a file from the WIM"),
243 [WIMLIB_ERR_METADATA_NOT_FOUND]
244 = T("The WIM does not contain image metadata; it only contains file data"),
246 = T("Failed to create a directory"),
248 = T("Failed to create or use a POSIX message queue"),
250 = T("Ran out of memory"),
252 = T("Expected a directory"),
253 [WIMLIB_ERR_NOTEMPTY]
254 = T("Directory was not empty"),
255 [WIMLIB_ERR_NOT_A_REGULAR_FILE]
256 = T("One of the specified paths to extract did not "
257 "correspond to a regular file"),
258 [WIMLIB_ERR_NOT_A_WIM_FILE]
259 = T("The file did not begin with the magic characters that "
260 "identify a WIM file"),
261 [WIMLIB_ERR_NO_FILENAME]
262 = T("The WIM is not identified with a filename"),
263 [WIMLIB_ERR_NOT_PIPABLE]
264 = T("The WIM was not captured such that it can be "
265 "applied from a pipe"),
267 = T("NTFS-3G encountered an error (check errno)"),
269 = T("Failed to open a file"),
271 = T("Failed to open a directory"),
272 [WIMLIB_ERR_PATH_DOES_NOT_EXIST]
273 = T("The path does not exist in the WIM image"),
275 = T("Could not read data from a file"),
276 [WIMLIB_ERR_READLINK]
277 = T("Could not read the target of a symbolic link"),
279 = T("Could not rename a file"),
280 [WIMLIB_ERR_REPARSE_POINT_FIXUP_FAILED]
281 = T("Unable to complete reparse point fixup"),
282 [WIMLIB_ERR_RESOURCE_NOT_FOUND]
283 = T("A file resource needed to complete the operation was missing from the WIM"),
284 [WIMLIB_ERR_RESOURCE_ORDER]
285 = T("The components of the WIM were arranged in an unexpected order"),
286 [WIMLIB_ERR_SET_ATTRIBUTES]
287 = T("Failed to set attributes on extracted file"),
288 [WIMLIB_ERR_SET_REPARSE_DATA]
289 = T("Failed to set reparse data on extracted file"),
290 [WIMLIB_ERR_SET_SECURITY]
291 = T("Failed to set file owner, group, or other permissions on extracted file"),
292 [WIMLIB_ERR_SET_SHORT_NAME]
293 = T("Failed to set short name on extracted file"),
294 [WIMLIB_ERR_SET_TIMESTAMPS]
295 = T("Failed to set timestamps on extracted file"),
296 [WIMLIB_ERR_SPLIT_INVALID]
297 = T("The WIM is part of an invalid split WIM"),
299 = T("Could not read the metadata for a file or directory"),
300 [WIMLIB_ERR_UNEXPECTED_END_OF_FILE]
301 = T("Unexpectedly reached the end of the file"),
302 [WIMLIB_ERR_UNICODE_STRING_NOT_REPRESENTABLE]
303 = T("A Unicode string could not be represented in the current locale's encoding"),
304 [WIMLIB_ERR_UNKNOWN_VERSION]
305 = T("The WIM file is marked with an unknown version number"),
306 [WIMLIB_ERR_UNSUPPORTED]
307 = T("The requested operation is unsupported"),
308 [WIMLIB_ERR_UNSUPPORTED_FILE]
309 = T("A file in the directory tree to archive was not of a supported type"),
310 [WIMLIB_ERR_WIM_IS_READONLY]
311 = T("The WIM is read-only (file permissions, header flag, or split WIM)"),
313 = T("Failed to write data to a file"),
315 = T("The XML data of the WIM is invalid"),
316 [WIMLIB_ERR_WIM_IS_ENCRYPTED]
317 = T("The WIM file (or parts of it) is encrypted"),
319 = T("Failed to set WIMBoot pointer data"),
320 [WIMLIB_ERR_ABORTED_BY_PROGRESS]
321 = T("The operation was aborted by the library user"),
322 [WIMLIB_ERR_UNKNOWN_PROGRESS_STATUS]
323 = T("The user-provided progress function returned an unrecognized value"),
325 = T("Unable to create a special file (e.g. device node or socket)"),
326 [WIMLIB_ERR_MOUNTED_IMAGE_IS_BUSY]
327 = T("There are still files open on the mounted WIM image"),
328 [WIMLIB_ERR_NOT_A_MOUNTPOINT]
329 = T("There is not a WIM image mounted on the directory"),
330 [WIMLIB_ERR_NOT_PERMITTED_TO_UNMOUNT]
331 = T("The current user does not have permission to unmount the WIM image"),
332 [WIMLIB_ERR_FVE_LOCKED_VOLUME]
333 = T("The volume must be unlocked before it can be used"),
334 [WIMLIB_ERR_UNABLE_TO_READ_CAPTURE_CONFIG]
335 = T("The capture configuration file could not be read"),
336 [WIMLIB_ERR_WIM_IS_INCOMPLETE]
337 = T("The WIM file is incomplete"),
338 [WIMLIB_ERR_COMPACTION_NOT_POSSIBLE]
339 = T("The WIM file cannot be compacted because of its format, "
340 "its layout, or the write parameters specified by the user"),
341 [WIMLIB_ERR_IMAGE_HAS_MULTIPLE_REFERENCES]
342 = T("The WIM image cannot be modified because it is currently "
343 "referenced from multiple places"),
344 [WIMLIB_ERR_DUPLICATE_EXPORTED_IMAGE]
345 = T("The destination WIM already contains one of the source images"),
346 [WIMLIB_ERR_CONCURRENT_MODIFICATION_DETECTED]
347 = T("A file being added to a WIM image was concurrently modified"),
348 [WIMLIB_ERR_SNAPSHOT_FAILURE]
349 = T("Unable to create a filesystem snapshot"),
350 #ifdef ENABLE_TEST_SUPPORT
351 [WIMLIB_ERR_IMAGES_ARE_DIFFERENT]
352 = T("A difference was detected between the two images being compared"),
356 WIMLIBAPI const tchar *
357 wimlib_get_error_string(enum wimlib_error_code _code)
359 unsigned int code = (unsigned int)_code;
361 if (code >= ARRAY_LEN(error_strings) || error_strings[code] == NULL)
362 return T("Unknown error");
364 return error_strings[code];