* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
-#include "config.h"
-
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#undef _GNU_SOURCE
+#ifdef _GNU_SOURCE
+# define _GNU_SOURCE_DEFINED 1
+# undef _GNU_SOURCE
+#endif
/* Make sure the POSIX-compatible strerror_r() is declared, rather than the GNU
* version, which has a different return type. */
#include <string.h>
+#ifdef _GNU_SOURCE_DEFINED
+# define _GNU_SOURCE
+#endif
-#define _GNU_SOURCE
+#include "wimlib.h"
+#include "wimlib/compiler.h"
+#include "wimlib/encoding.h"
+#include "wimlib/error.h"
+#include "wimlib/types.h"
+#include "wimlib/util.h"
+#include "wimlib/xml.h"
-#include "endianness.h"
-#include "timestamp.h"
-#include "wimlib_internal.h"
+#ifdef __WIN32__
+# include "wimlib/win32.h" /* win32_strerror_r_replacement */
+#endif
-#include <ctype.h>
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
+#include <time.h>
#include <unistd.h>
-
-#ifdef __WIN32__
-# include "win32.h"
-# define pread win32_pread
-# define pwrite win32_pwrite
-# define writev win32_writev
-#else
-# include <sys/uio.h> /* for writev() and `struct iovec' */
-#endif
-
static size_t
utf16le_strlen(const utf16lechar *s)
{
va_end(va);
return ret;
}
+
+#endif /* __WIN32__ */
+
+#ifdef ENABLE_ERROR_MESSAGES
+bool wimlib_print_errors = false;
#endif
#if defined(ENABLE_ERROR_MESSAGES) || defined(ENABLE_DEBUG)
wimlib_vmsg(const tchar *tag, const tchar *format,
va_list va, bool perror)
{
-#ifndef DEBUG
- if (wimlib_print_errors) {
+#if !defined(ENABLE_DEBUG)
+ if (wimlib_print_errors)
#endif
+ {
int errno_save = errno;
fflush(stdout);
tfputs(tag, stderr);
wimlib_vfprintf(stderr, format, va);
if (perror && errno_save != 0) {
- tchar buf[50];
+ tchar buf[64];
int res;
- res = tstrerror_r(errno_save, buf, sizeof(buf));
+ res = tstrerror_r(errno_save, buf, ARRAY_LEN(buf));
if (res) {
tsprintf(buf,
T("unknown error (errno=%d)"),
errno_save);
}
+ #ifdef WIN32
+ if (errno_save == EBUSY)
+ tstrcpy(buf, T("Resource busy"));
+ #endif
tfprintf(stderr, T(": %"TS), buf);
}
tputc(T('\n'), stderr);
fflush(stderr);
errno = errno_save;
-#ifndef DEBUG
}
-#endif
}
#endif
/* True if wimlib is to print an informational message when an error occurs.
* This can be turned off by calling wimlib_set_print_errors(false). */
#ifdef ENABLE_ERROR_MESSAGES
-static bool wimlib_print_errors = false;
-
-
void
wimlib_error(const tchar *format, ...)
{
va_list va;
tchar buf[tstrlen(file) + strlen(func) + 30];
+ static bool debug_enabled = false;
+ if (!debug_enabled) {
+ char *value = getenv("WIMLIB_DEBUG");
+ if (!value || strcmp(value, "0"))
+ debug_enabled = true;
+ else
+ return;
+ }
+
tsprintf(buf, T("[%"TS" %d] %s(): "), file, line, func);
va_start(va, format);
}
#endif
+/* API function documented in wimlib.h */
WIMLIBAPI int
wimlib_set_print_errors(bool show_error_messages)
{
= T("Success"),
[WIMLIB_ERR_ALREADY_LOCKED]
= T("The WIM is already locked for writing"),
- [WIMLIB_ERR_COMPRESSED_LOOKUP_TABLE]
- = T("Lookup table is compressed"),
[WIMLIB_ERR_DECOMPRESSION]
= T("Failed to decompress compressed data"),
[WIMLIB_ERR_DELETE_STAGING_DIR]
[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]
= T("The iconv() function does not seem to work. "
"Maybe check to make sure the directory /usr/lib/gconv exists"),
[WIMLIB_ERR_IMAGE_COUNT]
= T("Inconsistent image count among the metadata "
"resources, the WIM header, and/or the XML data"),
- [WIMLIB_ERR_INSUFFICIENT_PRIVILEGES_TO_EXTRACT]
- = T("User does not have sufficient privileges to correctly extract the data"),
[WIMLIB_ERR_IMAGE_NAME_COLLISION]
= T("Tried to add an image with a name that is already in use"),
+ [WIMLIB_ERR_INSUFFICIENT_PRIVILEGES]
+ = T("The user does not have sufficient privileges"),
[WIMLIB_ERR_INTEGRITY]
= T("The WIM failed an integrity check"),
[WIMLIB_ERR_INVALID_CAPTURE_CONFIG]
= T("The capture configuration string was invalid"),
[WIMLIB_ERR_INVALID_CHUNK_SIZE]
- = T("The WIM is compressed but does not have a chunk "
- "size of 32768"),
+ = T("The WIM chunk size was invalid"),
[WIMLIB_ERR_INVALID_COMPRESSION_TYPE]
- = T("The WIM is compressed, but is not marked as having LZX or "
- "XPRESS compression"),
- [WIMLIB_ERR_INVALID_DENTRY]
- = T("A directory entry in the WIM was invalid"),
- [WIMLIB_ERR_INVALID_HEADER_SIZE]
- = T("The WIM header was not 208 bytes"),
+ = T("The WIM compression type was invalid"),
+ [WIMLIB_ERR_INVALID_HEADER]
+ = T("The WIM header was invalid"),
[WIMLIB_ERR_INVALID_IMAGE]
= T("Tried to select an image that does not exist in the WIM"),
[WIMLIB_ERR_INVALID_INTEGRITY_TABLE]
= T("An invalid parameter was given"),
[WIMLIB_ERR_INVALID_PART_NUMBER]
= T("The part number or total parts of the WIM is invalid"),
+ [WIMLIB_ERR_INVALID_PIPABLE_WIM]
+ = T("The pipable WIM is invalid"),
[WIMLIB_ERR_INVALID_REPARSE_DATA]
= 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_RESOURCE_SIZE]
- = T("A resource entry in the WIM has an invalid size"),
- [WIMLIB_ERR_INVALID_SECURITY_DATA]
- = T("The table of security descriptors in the WIM is invalid"),
+ [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"),
= T("A string in a WIM dentry is not a valid UTF-16LE string"),
[WIMLIB_ERR_IS_DIRECTORY]
= T("One of the specified paths to delete was a directory"),
+ [WIMLIB_ERR_IS_SPLIT_WIM]
+ = T("The WIM is part of a split WIM, which is not supported for this operation"),
[WIMLIB_ERR_LIBXML_UTF16_HANDLER_NOT_AVAILABLE]
= T("libxml2 was unable to find a character encoding conversion handler "
"for UTF-16LE"),
[WIMLIB_ERR_LINK]
= T("Failed to create a hard or symbolic link when extracting "
"a file from the WIM"),
+ [WIMLIB_ERR_METADATA_NOT_FOUND]
+ = T("A required metadata resource could not be located"),
[WIMLIB_ERR_MKDIR]
= T("Failed to create a directory"),
[WIMLIB_ERR_MQUEUE]
"correspond to a regular file"),
[WIMLIB_ERR_NO_FILENAME]
= T("The WIM is not identified with a filename"),
+ [WIMLIB_ERR_NOT_PIPABLE]
+ = T("The WIM was not captured such that it can be "
+ "applied from a pipe"),
[WIMLIB_ERR_NTFS_3G]
= T("NTFS-3g encountered an error (check errno)"),
[WIMLIB_ERR_OPEN]
= T("Could not rename a file"),
[WIMLIB_ERR_REPARSE_POINT_FIXUP_FAILED]
= T("Unable to complete reparse point fixup"),
+ [WIMLIB_ERR_RESOURCE_NOT_FOUND]
+ = T("A file resource needed to complete the operation was missing from the WIM"),
[WIMLIB_ERR_RESOURCE_ORDER]
= T("The components of the WIM were arranged in an unexpected order"),
- [WIMLIB_ERR_SPECIAL_FILE]
- = T("Encountered a special file that cannot be archived"),
+ [WIMLIB_ERR_SET_ATTRIBUTES]
+ = T("Failed to set attributes on extracted file"),
+ [WIMLIB_ERR_SET_REPARSE_DATA]
+ = T("Failed to set reparse data on extracted file"),
+ [WIMLIB_ERR_SET_SECURITY]
+ = T("Failed to set file owner, group, or other permissions on extracted file"),
+ [WIMLIB_ERR_SET_SHORT_NAME]
+ = T("Failed to set short name on extracted file"),
+ [WIMLIB_ERR_SET_TIMESTAMPS]
+ = T("Failed to set timestamps on extracted file"),
[WIMLIB_ERR_SPLIT_INVALID]
= T("The WIM is part of an invalid split WIM"),
- [WIMLIB_ERR_SPLIT_UNSUPPORTED]
- = T("The WIM is part of a split WIM, which is not supported for this operation"),
[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("A Unicode string could not be represented in the current locale's encoding"),
[WIMLIB_ERR_UNKNOWN_VERSION]
= T("The WIM file is marked with an unknown version number"),
[WIMLIB_ERR_UNSUPPORTED]
= 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("Failed to write data to a file"),
[WIMLIB_ERR_XML]
= T("The XML data of the WIM is invalid"),
+ [WIMLIB_ERR_WIM_IS_ENCRYPTED]
+ = T("The WIM file (or parts of it) is encrypted"),
+ [WIMLIB_ERR_WIMBOOT]
+ = T("Failed to set WIMBoot pointer data"),
};
+/* API function documented in wimlib.h */
WIMLIBAPI const tchar *
wimlib_get_error_string(enum wimlib_error_code code)
{
- if (code < 0 || code >= ARRAY_LEN(error_strings))
+ if ((int)code < 0 || code >= ARRAY_LEN(error_strings))
return NULL;
else
return error_strings[code];
-#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
-void *(*wimlib_malloc_func) (size_t) = malloc;
-void (*wimlib_free_func) (void *) = free;
-void *(*wimlib_realloc_func)(void *, size_t) = realloc;
+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 *
+wimlib_malloc(size_t size)
+{
+ if (size == 0)
+ size = 1;
+ void *ptr = (*wimlib_malloc_func)(size);
+ if (ptr == NULL)
+ ERROR("memory exhausted");
+ return ptr;
+}
+
+void
+wimlib_free_memory(void *ptr)
+{
+ (*wimlib_free_func)(ptr);
+}
+
+void *
+wimlib_realloc(void *ptr, size_t size)
+{
+ if (size == 0)
+ size = 1;
+ ptr = (*wimlib_realloc_func)(ptr, size);
+ if (ptr == NULL)
+ ERROR("memory exhausted");
+ return ptr;
+}
void *
wimlib_calloc(size_t nmemb, size_t size)
size_t total_size = nmemb * size;
void *p = MALLOC(total_size);
if (p)
- memset(p, 0, total_size);
+ p = memset(p, 0, total_size);
return p;
}
size = strlen(str);
p = MALLOC(size + 1);
if (p)
- memcpy(p, str, size + 1);
+ p = memcpy(p, str, size + 1);
return p;
}
size = wcslen(str);
p = MALLOC((size + 1) * sizeof(wchar_t));
if (p)
- memcpy(p, str, (size + 1) * sizeof(wchar_t));
+ p = wmemcpy(p, str, size + 1);
return p;
}
#endif
-extern void
-xml_set_memory_allocator(void *(*malloc_func)(size_t),
- void (*free_func)(void *),
- void *(*realloc_func)(void *, size_t));
-#endif
+void *
+memdup(const void *mem, size_t size)
+{
+ void *ptr = MALLOC(size);
+ if (ptr)
+ ptr = memcpy(ptr, mem, size);
+ return ptr;
+}
+/* API function documented in wimlib.h */
WIMLIBAPI int
wimlib_set_memory_allocator(void *(*malloc_func)(size_t),
void (*free_func)(void *),
void *(*realloc_func)(void *, size_t))
{
-#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
wimlib_malloc_func = malloc_func ? malloc_func : malloc;
wimlib_free_func = free_func ? free_func : free;
wimlib_realloc_func = realloc_func ? realloc_func : realloc;
xml_set_memory_allocator(wimlib_malloc_func, wimlib_free_func,
wimlib_realloc_func);
return 0;
-#else
- ERROR("Cannot set custom memory allocator functions:");
- ERROR("wimlib was compiled with the --without-custom-memory-allocator "
- "flag");
- return WIMLIB_ERR_UNSUPPORTED;
-#endif
}
static bool seeded = false;
static void
-seed_random()
+seed_random(void)
{
srand(time(NULL) * getpid());
seeded = true;
*p++ = rand();
}
-const tchar *
-path_basename_with_len(const tchar *path, size_t len)
-{
- const tchar *p = &path[len] - 1;
-
- /* Trailing slashes. */
- while (1) {
- if (p == path - 1)
- return T("");
- if (*p != T('/'))
- break;
- p--;
- }
-
- while ((p != path - 1) && *p != T('/'))
- p--;
-
- return p + 1;
-}
-
-/* Like the basename() function, but does not modify @path; it just returns a
- * pointer to it. */
-const tchar *
-path_basename(const tchar *path)
-{
- return path_basename_with_len(path, tstrlen(path));
-}
-
-/*
- * Returns a pointer to the part of @path following the first colon in the last
- * path component, or NULL if the last path component does not contain a colon.
- */
-const tchar *
-path_stream_name(const tchar *path)
-{
- const tchar *base = path_basename(path);
- const tchar *stream_name = tstrchr(base, T(':'));
- if (!stream_name)
- return NULL;
- else
- return stream_name + 1;
-}
-u64
-get_wim_timestamp()
+void print_byte_field(const u8 field[], size_t len, FILE *out)
{
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return timeval_to_wim_timestamp(tv);
+ while (len--)
+ tfprintf(out, T("%02hhx"), *field++);
}
-void
-wim_timestamp_to_str(u64 timestamp, tchar *buf, size_t len)
+#ifndef HAVE_MEMPCPY
+void *mempcpy(void *dst, const void *src, size_t n)
{
- struct tm tm;
- time_t t = wim_timestamp_to_unix(timestamp);
- gmtime_r(&t, &tm);
- tstrftime(buf, len, T("%a %b %d %H:%M:%S %Y UTC"), &tm);
-}
-
-void
-zap_backslashes(tchar *s)
-{
- if (s) {
- while (*s != T('\0')) {
- if (*s == T('\\'))
- *s = T('/');
- s++;
- }
- }
-}
-
-tchar *
-canonicalize_fs_path(const tchar *fs_path)
-{
- tchar *canonical_path;
-
- if (!fs_path)
- fs_path = T("");
- canonical_path = TSTRDUP(fs_path);
- zap_backslashes(canonical_path);
- return canonical_path;
-}
-
-/* Strip leading and trailing slashes from a string. Also translates
- * backslashes into forward slashes. */
-tchar *
-canonicalize_wim_path(const tchar *wim_path)
-{
- tchar *p;
- tchar *canonical_path;
-
- if (wim_path == NULL) {
- wim_path = T("");
- } else {
- while (*wim_path == T('/') || *wim_path == T('\\'))
- wim_path++;
- }
- canonical_path = TSTRDUP(wim_path);
- if (canonical_path) {
- zap_backslashes(canonical_path);
- for (p = tstrchr(canonical_path, T('\0')) - 1;
- p >= canonical_path && *p == T('/');
- p--)
- {
- *p = T('\0');
- }
- }
- return canonical_path;
-}
-
-/* Like read(), but keep trying until everything has been written or we know for
- * sure that there was an error (or end-of-file). */
-size_t
-full_read(int fd, void *buf, size_t count)
-{
- ssize_t bytes_read;
- size_t bytes_remaining;
-
- for (bytes_remaining = count;
- bytes_remaining != 0;
- bytes_remaining -= bytes_read, buf += bytes_read)
- {
- bytes_read = read(fd, buf, bytes_remaining);
- if (bytes_read <= 0) {
- if (bytes_read == 0)
- errno = EIO;
- else if (errno == EINTR)
- continue;
- break;
- }
- }
- return count - bytes_remaining;
-}
-
-/* Like write(), but keep trying until everything has been written or we know
- * for sure that there was an error. */
-size_t
-full_write(int fd, const void *buf, size_t count)
-{
- ssize_t bytes_written;
- size_t bytes_remaining;
-
- for (bytes_remaining = count;
- bytes_remaining != 0;
- bytes_remaining -= bytes_written, buf += bytes_written)
- {
- bytes_written = write(fd, buf, bytes_remaining);
- if (bytes_written < 0) {
- if (errno == EINTR)
- continue;
- break;
- }
- }
- return count - bytes_remaining;
-}
-
-/* Like pread(), but keep trying until everything has been read or we know for
- * sure that there was an error (or end-of-file) */
-size_t
-full_pread(int fd, void *buf, size_t count, off_t offset)
-{
- ssize_t bytes_read;
- size_t bytes_remaining;
-
- for (bytes_remaining = count;
- bytes_remaining != 0;
- bytes_remaining -= bytes_read, buf += bytes_read,
- offset += bytes_read)
- {
- bytes_read = pread(fd, buf, bytes_remaining, offset);
- if (bytes_read <= 0) {
- if (bytes_read == 0)
- errno = EIO;
- else if (errno == EINTR)
- continue;
- break;
- }
- }
- return count - bytes_remaining;
-}
-
-/* Like pwrite(), but keep trying until everything has been written or we know
- * for sure that there was an error. */
-size_t
-full_pwrite(int fd, const void *buf, size_t count, off_t offset)
-{
- ssize_t bytes_written;
- size_t bytes_remaining;
-
- for (bytes_remaining = count;
- bytes_remaining != 0;
- bytes_remaining -= bytes_written, buf += bytes_written,
- offset += bytes_written)
- {
- bytes_written = pwrite(fd, buf, bytes_remaining, offset);
- if (bytes_written < 0) {
- if (errno == EINTR)
- continue;
- break;
- }
- }
- return count - bytes_remaining;
-}
-
-/* Like writev(), but keep trying until everything has been written or we know
- * for sure that there was an error. */
-size_t
-full_writev(int fd, struct iovec *iov, int iovcnt)
-{
- size_t total_bytes_written = 0;
- while (iovcnt > 0) {
- ssize_t bytes_written;
-
- bytes_written = writev(fd, iov, iovcnt);
- if (bytes_written < 0) {
- if (errno == EINTR)
- continue;
- break;
- }
- total_bytes_written += bytes_written;
- while (bytes_written) {
- if (bytes_written >= iov[0].iov_len) {
- bytes_written -= iov[0].iov_len;
- iov++;
- iovcnt--;
- } else {
- iov[0].iov_base += bytes_written;
- iov[0].iov_len -= bytes_written;
- bytes_written = 0;
- }
- }
- }
- return total_bytes_written;
-}
-
-off_t
-filedes_offset(int fd)
-{
- return lseek(fd, 0, SEEK_CUR);
+ return memcpy(dst, src, n) + n;
}
+#endif
git://wimlib.net / wimlib / blobdiff