/*
* Copyright (C) 2012, 2013 Eric Biggers
*
- * This file is part of wimlib, a library for working with WIM files.
+ * This file is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option) any
+ * later version.
*
- * wimlib is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 3 of the License, or (at your option)
- * any later version.
- *
- * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * This file is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
- * You should have received a copy of the GNU General Public License
- * along with wimlib; if not, see http://www.gnu.org/licenses/.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this file; if not, see http://www.gnu.org/licenses/.
*/
#ifdef HAVE_CONFIG_H
#endif
#include "wimlib.h"
+#include "wimlib/assert.h"
#include "wimlib/compiler.h"
#include "wimlib/encoding.h"
#include "wimlib/error.h"
#ifdef ENABLE_ERROR_MESSAGES
bool wimlib_print_errors = false;
+FILE *wimlib_error_file = NULL; /* Set in wimlib_global_init() */
+static bool wimlib_owns_error_file = false;
#endif
#if defined(ENABLE_ERROR_MESSAGES) || defined(ENABLE_DEBUG)
{
int errno_save = errno;
fflush(stdout);
- tfputs(tag, stderr);
- tvfprintf(stderr, format, va);
+ tfputs(tag, wimlib_error_file);
+ tvfprintf(wimlib_error_file, format, va);
if (perror && errno_save != 0) {
tchar buf[64];
int res;
if (errno_save == EBUSY)
tstrcpy(buf, T("Resource busy"));
#endif
- tfprintf(stderr, T(": %"TS), buf);
+ tfprintf(wimlib_error_file, T(": %"TS), buf);
}
- tputc(T('\n'), stderr);
- fflush(stderr);
+ tputc(T('\n'), wimlib_error_file);
+ fflush(wimlib_error_file);
errno = errno_save;
}
}
#endif
}
+WIMLIBAPI int
+wimlib_set_error_file(FILE *fp)
+{
+#ifdef ENABLE_ERROR_MESSAGES
+ if (wimlib_owns_error_file)
+ fclose(wimlib_error_file);
+ wimlib_error_file = fp;
+ wimlib_print_errors = (fp != NULL);
+ wimlib_owns_error_file = false;
+ return 0;
+#else
+ return WIMLIB_ERR_UNSUPPORTED;
+#endif
+}
+
+WIMLIBAPI int
+wimlib_set_error_file_by_name(const tchar *path)
+{
+#ifdef ENABLE_ERROR_MESSAGES
+ FILE *fp;
+
+#ifdef __WIN32__
+ fp = win32_open_logfile(path);
+#else
+ fp = fopen(path, "a");
+#endif
+ if (!fp)
+ return WIMLIB_ERR_OPEN;
+ wimlib_set_error_file(fp);
+ wimlib_owns_error_file = true;
+ return 0;
+#else
+ return WIMLIB_ERR_UNSUPPORTED;
+#endif
+}
+
static const tchar *error_strings[] = {
[WIMLIB_ERR_SUCCESS]
= T("Success"),
= T("The WIM is already locked for writing"),
[WIMLIB_ERR_DECOMPRESSION]
= T("Failed to decompress compressed data"),
- [WIMLIB_ERR_DELETE_STAGING_DIR]
- = T("Failed to delete staging directory"),
- [WIMLIB_ERR_FILESYSTEM_DAEMON_CRASHED]
- = T("The process servicing the mounted WIM has crashed"),
- [WIMLIB_ERR_FORK]
- = T("Failed to fork another process"),
[WIMLIB_ERR_FUSE]
= T("An error was returned by fuse_main()"),
- [WIMLIB_ERR_FUSERMOUNT]
- = T("Could not execute the `fusermount' program, or it exited "
- "with a failure status"),
[WIMLIB_ERR_GLOB_HAD_NO_MATCHES]
= T("The provided file glob did not match any files"),
[WIMLIB_ERR_ICONV_NOT_AVAILABLE]
[WIMLIB_ERR_INSUFFICIENT_PRIVILEGES]
= T("The user does not have sufficient privileges"),
[WIMLIB_ERR_INTEGRITY]
- = T("The WIM failed an integrity check"),
+ = T("The WIM file is corrupted (failed integrity check)"),
[WIMLIB_ERR_INVALID_CAPTURE_CONFIG]
= T("The capture configuration string was invalid"),
[WIMLIB_ERR_INVALID_CHUNK_SIZE]
- = T("The WIM chunk size was invalid"),
+ = T("The compression chunk size was unrecognized"),
[WIMLIB_ERR_INVALID_COMPRESSION_TYPE]
- = T("The WIM compression type was invalid"),
+ = T("The compression type was unrecognized"),
[WIMLIB_ERR_INVALID_HEADER]
= T("The WIM header was invalid"),
[WIMLIB_ERR_INVALID_IMAGE]
= T("The WIM's integrity table is invalid"),
[WIMLIB_ERR_INVALID_LOOKUP_TABLE_ENTRY]
= T("An entry in the WIM's lookup table is invalid"),
+ [WIMLIB_ERR_INVALID_METADATA_RESOURCE]
+ = T("The metadata resource is invalid"),
[WIMLIB_ERR_INVALID_MULTIBYTE_STRING]
= T("A string was not valid in the current locale's character encoding"),
[WIMLIB_ERR_INVALID_OVERLAY]
= T("The reparse data of a reparse point was invalid"),
[WIMLIB_ERR_INVALID_RESOURCE_HASH]
= T("The SHA1 message digest of a WIM resource did not match the expected value"),
- [WIMLIB_ERR_INVALID_METADATA_RESOURCE]
- = T("The metadata resource is invalid"),
- [WIMLIB_ERR_INVALID_UNMOUNT_MESSAGE]
- = T("The version of wimlib that has mounted a WIM image is incompatible with the "
- "version being used to unmount it"),
[WIMLIB_ERR_INVALID_UTF8_STRING]
= T("A string provided as input by the user was not a valid UTF-8 string"),
[WIMLIB_ERR_INVALID_UTF16_STRING]
= T("Expected a directory"),
[WIMLIB_ERR_NOTEMPTY]
= T("Directory was not empty"),
- [WIMLIB_ERR_NOT_A_WIM_FILE]
- = T("The file did not begin with the magic characters that "
- "identify a WIM file"),
[WIMLIB_ERR_NOT_A_REGULAR_FILE]
= T("One of the specified paths to extract did not "
"correspond to a regular file"),
+ [WIMLIB_ERR_NOT_A_WIM_FILE]
+ = T("The file did not begin with the magic characters that "
+ "identify a WIM file"),
[WIMLIB_ERR_NO_FILENAME]
= T("The WIM is not identified with a filename"),
[WIMLIB_ERR_NOT_PIPABLE]
= T("The WIM is part of an invalid split WIM"),
[WIMLIB_ERR_STAT]
= T("Could not read the metadata for a file or directory"),
- [WIMLIB_ERR_TIMEOUT]
- = T("Timed out while waiting for a message to arrive from another process"),
[WIMLIB_ERR_UNEXPECTED_END_OF_FILE]
= T("Unexpectedly reached the end of the file"),
[WIMLIB_ERR_UNICODE_STRING_NOT_REPRESENTABLE]
= T("The requested operation is unsupported"),
[WIMLIB_ERR_UNSUPPORTED_FILE]
= T("A file in the directory tree to archive was not of a supported type"),
- [WIMLIB_ERR_VOLUME_LACKS_FEATURES]
- = T("The volume did not support a feature necessary to complete the operation"),
[WIMLIB_ERR_WIM_IS_READONLY]
= T("The WIM is read-only (file permissions, header flag, or split WIM)"),
[WIMLIB_ERR_WRITE]
= T("The WIM file (or parts of it) is encrypted"),
[WIMLIB_ERR_WIMBOOT]
= T("Failed to set WIMBoot pointer data"),
+ [WIMLIB_ERR_ABORTED_BY_PROGRESS]
+ = T("The operation was aborted by the library user"),
+ [WIMLIB_ERR_UNKNOWN_PROGRESS_STATUS]
+ = T("The user-provided progress function returned an unrecognized value"),
+ [WIMLIB_ERR_MKNOD]
+ = T("Unable to create a special file (e.g. device node or socket)"),
+ [WIMLIB_ERR_MOUNTED_IMAGE_IS_BUSY]
+ = T("There are still files open on the mounted WIM image"),
+ [WIMLIB_ERR_NOT_A_MOUNTPOINT]
+ = T("There is not a WIM image mounted on the directory"),
+ [WIMLIB_ERR_NOT_PERMITTED_TO_UNMOUNT]
+ = T("The current user does not have permission to unmount the WIM image"),
+ [WIMLIB_ERR_FVE_LOCKED_VOLUME]
+ = T("The volume must be unlocked before it can be used"),
};
/* API function documented in wimlib.h */
WIMLIBAPI const tchar *
-wimlib_get_error_string(enum wimlib_error_code code)
+wimlib_get_error_string(enum wimlib_error_code _code)
{
- if ((int)code < 0 || code >= ARRAY_LEN(error_strings))
- return NULL;
- else
- return error_strings[code];
+ unsigned int code = (unsigned int)_code;
+
+ if (code >= ARRAY_LEN(error_strings) || error_strings[code] == NULL)
+ return T("Unknown error");
+
+ return error_strings[code];
}
-static void *(*wimlib_malloc_func) (size_t) = malloc;
-static void (*wimlib_free_func) (void *) = free;
+static void *(*wimlib_malloc_func) (size_t) = malloc;
+static void (*wimlib_free_func) (void *) = free;
static void *(*wimlib_realloc_func)(void *, size_t) = realloc;
void *
size++;
goto retry;
}
- ERROR("memory exhausted");
}
return ptr;
}
{
if (size == 0)
size = 1;
- ptr = (*wimlib_realloc_func)(ptr, size);
- if (ptr == NULL)
- ERROR("memory exhausted");
- return ptr;
+ return (*wimlib_realloc_func)(ptr, size);
}
void *
}
#endif
+void *
+wimlib_aligned_malloc(size_t size, size_t alignment)
+{
+ u8 *raw_ptr;
+ u8 *ptr;
+ uintptr_t mask;
+
+ wimlib_assert(alignment != 0 && is_power_of_2(alignment) &&
+ alignment <= 4096);
+ mask = alignment - 1;
+
+ raw_ptr = MALLOC(size + alignment - 1 + sizeof(size_t));
+ if (!raw_ptr)
+ return NULL;
+
+ ptr = (u8 *)raw_ptr + sizeof(size_t);
+ while ((uintptr_t)ptr & mask)
+ ptr++;
+ *((size_t *)ptr - 1) = (ptr - raw_ptr);
+
+ return ptr;
+}
+
+void
+wimlib_aligned_free(void *ptr)
+{
+ if (ptr)
+ FREE((u8 *)ptr - *((size_t *)ptr - 1));
+}
+
void *
memdup(const void *mem, size_t size)
{