* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
-#ifndef __WIN32__
-# error "This file contains Windows code"
-#endif
+#ifdef __WIN32__
#include "config.h"
#include <windows.h>
#include "lookup_table.h"
#include "security.h"
#include "endianness.h"
+#include <pthread.h>
#include <errno.h>
+#define MAX_GET_SD_ACCESS_DENIED_WARNINGS 1
+#define MAX_GET_SACL_PRIV_NOTHELD_WARNINGS 1
+struct win32_capture_state {
+ unsigned long num_get_sd_access_denied;
+ unsigned long num_get_sacl_priv_notheld;
+};
+#define MAX_SET_SD_ACCESS_DENIED_WARNINGS 1
+#define MAX_SET_SACL_PRIV_NOTHELD_WARNINGS 1
/* Pointers to functions that are not available on all targetted versions of
* Windows (XP and later). NOTE: The WINAPI annotations seem to be important; I
}
}
-static const wchar_t *access_denied_msg =
+static const wchar_t *capture_access_denied_msg =
L" If you are not running this program as the administrator, you may\n"
" need to do so, so that all data and metadata can be backed up.\n"
" Otherwise, there may be no way to access the desired data or\n"
" metadata without taking ownership of the file or directory.\n"
;
+static const wchar_t *apply_access_denied_msg =
+L"If you are not running this program as the administrator, you may\n"
+ " need to do so, so that all data and metadata can be extracted\n"
+ " exactly as the origignal copy. However, if you do not care that\n"
+ " the security descriptors are extracted correctly, you could run\n"
+ " `wimlib-imagex apply' with the --no-acls flag instead.\n"
+ ;
+
#ifdef ENABLE_ERROR_MESSAGES
void
win32_error(u32 err_code)
memcpy(dentry->short_name, dat.cAlternateFileName, n);
dentry->short_name_nbytes = short_name_nbytes;
}
+ /* If we can't read the short filename for some reason, we just ignore
+ * the error and assume the file has no short name. I don't think this
+ * should be an issue, since the short names are essentially obsolete
+ * anyway. */
return 0;
}
static int
win32_get_security_descriptor(struct wim_dentry *dentry,
struct sd_set *sd_set,
- const wchar_t *path)
+ const wchar_t *path,
+ struct win32_capture_state *state,
+ int add_image_flags)
{
SECURITY_INFORMATION requestedInformation;
DWORD lenNeeded = 0;
BOOL status;
DWORD err;
+ unsigned long n;
requestedInformation = DACL_SECURITY_INFORMATION |
SACL_SECURITY_INFORMATION |
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION;
+again:
/* Request length of security descriptor */
status = GetFileSecurityW(path, requestedInformation,
NULL, 0, &lenNeeded);
}
}
- if (err == ERROR_ACCESS_DENIED) {
- WARNING("Failed to read security descriptor of \"%ls\": "
- "Access denied!\n%ls", path, access_denied_msg);
+ if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS)
+ goto fail;
+
+ switch (err) {
+ case ERROR_PRIVILEGE_NOT_HELD:
+ if (requestedInformation & SACL_SECURITY_INFORMATION) {
+ n = state->num_get_sacl_priv_notheld++;
+ requestedInformation &= ~SACL_SECURITY_INFORMATION;
+ if (n < MAX_GET_SACL_PRIV_NOTHELD_WARNINGS) {
+ WARNING(
+"We don't have enough privileges to read the full security\n"
+" descriptor of \"%ls\"!\n"
+" Re-trying with SACL omitted.\n", path);
+ } else if (n == MAX_GET_SACL_PRIV_NOTHELD_WARNINGS) {
+ WARNING(
+"Suppressing further privileges not held error messages when reading\n"
+" security descriptors.");
+ }
+ goto again;
+ }
+ /* Fall through */
+ case ERROR_ACCESS_DENIED:
+ n = state->num_get_sd_access_denied++;
+ if (n < MAX_GET_SD_ACCESS_DENIED_WARNINGS) {
+ WARNING("Failed to read security descriptor of \"%ls\": "
+ "Access denied!\n%ls", path, capture_access_denied_msg);
+ } else if (n == MAX_GET_SD_ACCESS_DENIED_WARNINGS) {
+ WARNING("Suppressing further access denied errors messages i"
+ "when reading security descriptors");
+ }
return 0;
- } else {
+ default:
+fail:
ERROR("Failed to read security descriptor of \"%ls\"", path);
win32_error(err);
return WIMLIB_ERR_READ;
static int
win32_build_dentry_tree_recursive(struct wim_dentry **root_ret,
- const wchar_t *path,
- const size_t path_num_chars,
+ wchar_t *path,
+ size_t path_num_chars,
struct wim_lookup_table *lookup_table,
struct sd_set *sd_set,
- const struct capture_config *config,
+ const struct wimlib_capture_config *config,
int add_image_flags,
- wimlib_progress_func_t progress_func);
+ wimlib_progress_func_t progress_func,
+ struct win32_capture_state *state);
/* Reads the directory entries of directory using a Win32 API and recursively
* calls win32_build_dentry_tree() on them. */
static int
win32_recurse_directory(struct wim_dentry *root,
- const wchar_t *dir_path,
- const size_t dir_path_num_chars,
+ wchar_t *dir_path,
+ size_t dir_path_num_chars,
struct wim_lookup_table *lookup_table,
struct sd_set *sd_set,
- const struct capture_config *config,
+ const struct wimlib_capture_config *config,
int add_image_flags,
- wimlib_progress_func_t progress_func)
+ wimlib_progress_func_t progress_func,
+ struct win32_capture_state *state)
{
WIN32_FIND_DATAW dat;
HANDLE hFind;
DWORD err;
int ret;
- {
- /* Begin reading the directory by calling FindFirstFileW.
- * Unlike UNIX opendir(), FindFirstFileW has file globbing built
- * into it. But this isn't what we actually want, so just add a
- * dummy glob to get all entries. */
- wchar_t pattern_buf[dir_path_num_chars + 3];
- swprintf(pattern_buf, L"%ls/*", dir_path);
- hFind = FindFirstFileW(pattern_buf, &dat);
- }
+ /* Begin reading the directory by calling FindFirstFileW. Unlike UNIX
+ * opendir(), FindFirstFileW has file globbing built into it. But this
+ * isn't what we actually want, so just add a dummy glob to get all
+ * entries. */
+ dir_path[dir_path_num_chars] = L'/';
+ dir_path[dir_path_num_chars + 1] = L'*';
+ dir_path[dir_path_num_chars + 2] = L'\0';
+ hFind = FindFirstFileW(dir_path, &dat);
+ dir_path[dir_path_num_chars] = L'\0';
+
if (hFind == INVALID_HANDLE_VALUE) {
err = GetLastError();
if (err == ERROR_FILE_NOT_FOUND) {
ret = 0;
do {
/* Skip . and .. entries */
- if (wcscmp(dat.cFileName, L".") && wcscmp(dat.cFileName, L".."))
- {
- size_t filename_num_chars = wcslen(dat.cFileName);
- size_t new_path_num_chars = dir_path_num_chars + 1 +
- filename_num_chars;
- wchar_t new_path[new_path_num_chars + 1];
-
- swprintf(new_path, L"%ls/%ls", dir_path, dat.cFileName);
-
- struct wim_dentry *child;
- ret = win32_build_dentry_tree_recursive(&child,
- new_path,
- new_path_num_chars,
- lookup_table,
- sd_set,
- config,
- add_image_flags,
- progress_func);
- if (ret)
- goto out_find_close;
- if (child)
- dentry_add_child(root, child);
- }
+ if (dat.cFileName[0] == L'.' &&
+ (dat.cFileName[1] == L'\0' ||
+ (dat.cFileName[1] == L'.' &&
+ dat.cFileName[2] == L'\0')))
+ continue;
+ size_t filename_len = wcslen(dat.cFileName);
+
+ dir_path[dir_path_num_chars] = L'/';
+ wmemcpy(dir_path + dir_path_num_chars + 1,
+ dat.cFileName,
+ filename_len + 1);
+
+ struct wim_dentry *child;
+ size_t path_len = dir_path_num_chars + 1 + filename_len;
+ ret = win32_build_dentry_tree_recursive(&child,
+ dir_path,
+ path_len,
+ lookup_table,
+ sd_set,
+ config,
+ add_image_flags,
+ progress_func,
+ state);
+ dir_path[dir_path_num_chars] = L'\0';
+ if (ret)
+ goto out_find_close;
+ if (child)
+ dentry_add_child(root, child);
} while (FindNextFileW(hFind, &dat));
err = GetLastError();
if (err != ERROR_NO_MORE_FILES) {
return 0;
} else {
if (err == ERROR_ACCESS_DENIED) {
+ /* XXX This maybe should be an error. */
WARNING("Failed to look up data streams "
"of \"%ls\": Access denied!\n%ls",
- path, access_denied_msg);
+ path, capture_access_denied_msg);
return 0;
} else {
ERROR("Failed to look up data streams "
FindClose(hFind);
return ret;
unnamed_only:
+ /* FindFirstStreamW() API is not available. Only capture the unnamed
+ * data stream. */
if (inode->i_attributes &
(FILE_ATTRIBUTE_REPARSE_POINT | FILE_ATTRIBUTE_DIRECTORY))
{
ret = 0;
} else {
+ /* Just create our own WIN32_FIND_STREAM_DATA for an unnamed
+ * stream to reduce the code to a call to the
+ * already-implemented win32_capture_stream() */
wcscpy(dat.cStreamName, L"::$DATA");
dat.StreamSize.QuadPart = file_size;
ret = win32_capture_stream(path,
static int
win32_build_dentry_tree_recursive(struct wim_dentry **root_ret,
- const wchar_t *path,
- const size_t path_num_chars,
+ wchar_t *path,
+ size_t path_num_chars,
struct wim_lookup_table *lookup_table,
struct sd_set *sd_set,
- const struct capture_config *config,
+ const struct wimlib_capture_config *config,
int add_image_flags,
- wimlib_progress_func_t progress_func)
+ wimlib_progress_func_t progress_func,
+ struct win32_capture_state *state)
{
struct wim_dentry *root = NULL;
struct wim_inode *inode;
u64 file_size;
int ret = 0;
- if (exclude_path(path, config, true)) {
+ if (exclude_path(path, path_num_chars, config, true)) {
if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_ROOT) {
ERROR("Cannot exclude the root directory from capture");
ret = WIMLIB_ERR_INVALID_CAPTURE_CONFIG;
goto out;
}
- if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_VERBOSE)
+ if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE)
&& progress_func)
{
union wimlib_progress_info info;
goto out_close_handle;
if (!(add_image_flags & WIMLIB_ADD_IMAGE_FLAG_NO_ACLS)) {
- ret = win32_get_security_descriptor(root, sd_set, path);
+ ret = win32_get_security_descriptor(root, sd_set, path, state,
+ add_image_flags);
if (ret)
goto out_close_handle;
}
sd_set,
config,
add_image_flags,
- progress_func);
+ progress_func,
+ state);
} else if (inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT) {
- /* Reparse point: save the reparse tag and data */
+ /* Reparse point: save the reparse tag and data. Alternate data
+ * streams are not captured, if it's even possible for a reparse
+ * point to have alternate data streams... */
ret = win32_capture_reparse_point(hFile,
inode,
lookup_table,
return ret;
}
+static void
+win32_do_capture_warnings(const struct win32_capture_state *state,
+ int add_image_flags)
+{
+ if (state->num_get_sacl_priv_notheld == 0 &&
+ state->num_get_sd_access_denied == 0)
+ return;
+
+ WARNING("");
+ WARNING("Built dentry tree successfully, but with the following problem(s):");
+ if (state->num_get_sacl_priv_notheld != 0) {
+ WARNING("Could not capture SACL (System Access Control List)\n"
+ " on %lu files or directories.",
+ state->num_get_sacl_priv_notheld);
+ }
+ if (state->num_get_sd_access_denied != 0) {
+ WARNING("Could not capture security descriptor at all\n"
+ " on %lu files or directories.",
+ state->num_get_sd_access_denied);
+ }
+ WARNING(
+ "Try running the program as the Administrator to make sure all the\n"
+" desired metadata has been captured exactly. However, if you\n"
+" do not care about capturing security descriptors correctly, then\n"
+" nothing more needs to be done%ls\n",
+ (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_NO_ACLS) ? L"." :
+ L", although you might consider\n"
+" passing the --no-acls flag to `wimlib-imagex capture' or\n"
+" `wimlib-imagex append' to explicitly capture no security\n"
+" descriptors.\n");
+}
+
/* Win32 version of capturing a directory tree */
int
win32_build_dentry_tree(struct wim_dentry **root_ret,
const wchar_t *root_disk_path,
struct wim_lookup_table *lookup_table,
struct sd_set *sd_set,
- const struct capture_config *config,
+ const struct wimlib_capture_config *config,
int add_image_flags,
wimlib_progress_func_t progress_func,
void *extra_arg)
size_t path_nchars;
wchar_t *path;
int ret;
+ struct win32_capture_state state;
path_nchars = wcslen(root_disk_path);
if (path_nchars > 32767)
wmemcpy(path, root_disk_path, path_nchars + 1);
+ memset(&state, 0, sizeof(state));
ret = win32_build_dentry_tree_recursive(root_ret,
path,
path_nchars,
sd_set,
config,
add_image_flags,
- progress_func);
+ progress_func,
+ &state);
FREE(path);
+ if (ret == 0)
+ win32_do_capture_warnings(&state, add_image_flags);
return ret;
}
-/* Replacement for POSIX fnmatch() (partial functionality only) */
-int
-fnmatch(const wchar_t *pattern, const wchar_t *string, int flags)
-{
- if (PathMatchSpecW(string, pattern))
- return 0;
- else
- return FNM_NOMATCH;
-}
-
static int
win32_set_reparse_data(HANDLE h,
u32 reparse_tag,
return 0;
}
+/*
+ * Sets the security descriptor on an extracted file.
+ */
+static int
+win32_set_security_data(const struct wim_inode *inode,
+ const wchar_t *path,
+ struct apply_args *args)
+{
+ PSECURITY_DESCRIPTOR descriptor;
+ unsigned long n;
+ DWORD err;
+
+ descriptor = wim_const_security_data(args->w)->descriptors[inode->i_security_id];
+
+ SECURITY_INFORMATION securityInformation = DACL_SECURITY_INFORMATION |
+ SACL_SECURITY_INFORMATION |
+ OWNER_SECURITY_INFORMATION |
+ GROUP_SECURITY_INFORMATION;
+again:
+ if (SetFileSecurityW(path, securityInformation, descriptor))
+ return 0;
+ err = GetLastError();
+ if (args->extract_flags & WIMLIB_EXTRACT_FLAG_STRICT_ACLS)
+ goto fail;
+ switch (err) {
+ case ERROR_PRIVILEGE_NOT_HELD:
+ if (securityInformation & SACL_SECURITY_INFORMATION) {
+ n = args->num_set_sacl_priv_notheld++;
+ securityInformation &= ~SACL_SECURITY_INFORMATION;
+ if (n < MAX_SET_SACL_PRIV_NOTHELD_WARNINGS) {
+ WARNING(
+"We don't have enough privileges to set the full security\n"
+" descriptor on \"%ls\"!\n", path);
+ if (args->num_set_sd_access_denied +
+ args->num_set_sacl_priv_notheld == 1)
+ {
+ WARNING("%ls", apply_access_denied_msg);
+ }
+ WARNING("Re-trying with SACL omitted.\n", path);
+ } else if (n == MAX_GET_SACL_PRIV_NOTHELD_WARNINGS) {
+ WARNING(
+"Suppressing further 'privileges not held' error messages when setting\n"
+" security descriptors.");
+ }
+ goto again;
+ }
+ /* Fall through */
+ case ERROR_INVALID_OWNER:
+ case ERROR_ACCESS_DENIED:
+ n = args->num_set_sd_access_denied++;
+ if (n < MAX_SET_SD_ACCESS_DENIED_WARNINGS) {
+ WARNING("Failed to set security descriptor on \"%ls\": "
+ "Access denied!\n", path);
+ if (args->num_set_sd_access_denied +
+ args->num_set_sacl_priv_notheld == 1)
+ {
+ WARNING("%ls", apply_access_denied_msg);
+ }
+ } else if (n == MAX_SET_SD_ACCESS_DENIED_WARNINGS) {
+ WARNING(
+"Suppressing further access denied error messages when setting\n"
+" security descriptors");
+ }
+ return 0;
+ default:
+fail:
+ ERROR("Failed to set security descriptor on \"%ls\"", path);
+ win32_error(err);
+ return WIMLIB_ERR_WRITE;
+ }
+}
+
static int
win32_extract_chunk(const void *buf, size_t len, u64 offset, void *arg)
win32_extract_chunk, hStream);
}
+static bool
+path_is_root_of_drive(const wchar_t *path)
+{
+ if (!*path)
+ return false;
+
+ if (*path != L'/' && *path != L'\\') {
+ if (*(path + 1) == L':')
+ path += 2;
+ else
+ return false;
+ }
+ while (*path == L'/' || *path == L'\\')
+ path++;
+ return (*path == L'\0');
+}
+
static int
win32_extract_stream(const struct wim_inode *inode,
const wchar_t *path,
const wchar_t *stream_name_utf16,
- struct wim_lookup_table_entry *lte,
- const struct wim_security_data *security_data)
+ struct wim_lookup_table_entry *lte)
{
wchar_t *stream_path;
HANDLE h;
DWORD err;
DWORD creationDisposition = CREATE_ALWAYS;
- SECURITY_ATTRIBUTES *secattr;
-
- if (security_data && inode->i_security_id != -1) {
- secattr = alloca(sizeof(*secattr));
- secattr->nLength = sizeof(*secattr);
- secattr->lpSecurityDescriptor = security_data->descriptors[inode->i_security_id];
- secattr->bInheritHandle = FALSE;
- } else {
- secattr = NULL;
- }
-
if (stream_name_utf16) {
/* Named stream. Create a buffer that contains the UTF-16LE
* string [.\]@path:@stream_name_utf16. This is needed to
* the call to CreateFileW() will merely open the directory that
* was already created rather than creating a new file. */
if (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY) {
- if (!CreateDirectoryW(stream_path, secattr)) {
+ if (!CreateDirectoryW(stream_path, NULL)) {
err = GetLastError();
- if (err != ERROR_ALREADY_EXISTS) {
+ switch (err) {
+ case ERROR_ALREADY_EXISTS:
+ break;
+ case ERROR_ACCESS_DENIED:
+ if (path_is_root_of_drive(path))
+ break;
+ /* Fall through */
+ default:
ERROR("Failed to create directory \"%ls\"",
stream_path);
win32_error(err);
h = CreateFileW(stream_path,
GENERIC_WRITE,
0,
- secattr,
+ NULL,
creationDisposition,
FILE_FLAG_OPEN_REPARSE_POINT |
FILE_FLAG_BACKUP_SEMANTICS |
*/
static int
win32_extract_streams(const struct wim_inode *inode,
- const wchar_t *path, u64 *completed_bytes_p,
- const struct wim_security_data *security_data)
+ const wchar_t *path, u64 *completed_bytes_p)
{
struct wim_lookup_table_entry *unnamed_lte;
int ret;
unnamed_lte = inode_unnamed_lte_resolved(inode);
- ret = win32_extract_stream(inode, path, NULL, unnamed_lte,
- security_data);
+ ret = win32_extract_stream(inode, path, NULL, unnamed_lte);
if (ret)
goto out;
if (unnamed_lte)
ret = win32_extract_stream(inode,
path,
ads_entry->stream_name,
- ads_entry->lte,
- NULL);
+ ads_entry->lte);
if (ret)
break;
if (ads_entry->lte)
/* Extract a file, directory, reparse point, or hard link to an
* already-extracted file using the Win32 API */
-int win32_do_apply_dentry(const wchar_t *output_path,
- size_t output_path_num_chars,
- struct wim_dentry *dentry,
- struct apply_args *args)
+int
+win32_do_apply_dentry(const wchar_t *output_path,
+ size_t output_path_num_chars,
+ struct wim_dentry *dentry,
+ struct apply_args *args)
{
int ret;
struct wim_inode *inode = dentry->d_inode;
* hard link. */
DEBUG("Creating hard link \"%ls => %ls\"",
output_path, inode->i_extracted_file);
- if (CreateHardLinkW(output_path, inode->i_extracted_file, NULL)) {
- ret = 0;
- } else {
+ if (!CreateHardLinkW(output_path, inode->i_extracted_file, NULL)) {
err = GetLastError();
ERROR("Can't create hard link \"%ls => %ls\"",
output_path, inode->i_extracted_file);
- ret = WIMLIB_ERR_LINK;
win32_error(err);
+ return WIMLIB_ERR_LINK;
}
} else {
/* Create the file, directory, or reparse point, and extract the
* data streams. */
- const struct wim_security_data *security_data;
- if (args->extract_flags & WIMLIB_EXTRACT_FLAG_NOACLS)
- security_data = NULL;
- else
- security_data = wim_const_security_data(args->w);
-
ret = win32_extract_streams(inode, output_path,
- &args->progress.extract.completed_bytes,
- security_data);
- if (ret == 0 && inode->i_nlink > 1) {
+ &args->progress.extract.completed_bytes);
+ if (ret)
+ return ret;
+
+ if (inode->i_security_id >= 0 &&
+ !(args->extract_flags & WIMLIB_EXTRACT_FLAG_NO_ACLS))
+ {
+ ret = win32_set_security_data(inode, output_path, args);
+ if (ret)
+ return ret;
+ }
+ if (inode->i_nlink > 1) {
/* Save extracted path for a later call to
* CreateHardLinkW() if this inode has multiple links.
* */
ret = WIMLIB_ERR_NOMEM;
}
}
- return ret;
+ return 0;
}
/* Set timestamps on an extracted file using the Win32 API */
int
fsync(int fd)
{
- HANDLE h = (HANDLE)_get_osfhandle(fd);
+ DWORD err;
+ HANDLE h;
+
+ h = (HANDLE)_get_osfhandle(fd);
if (h == INVALID_HANDLE_VALUE) {
+ err = GetLastError();
ERROR("Could not get Windows handle for file descriptor");
- win32_error(GetLastError());
+ win32_error(err);
errno = EBADF;
return -1;
}
if (!FlushFileBuffers(h)) {
+ err = GetLastError();
ERROR("Could not flush file buffers to disk");
- win32_error(GetLastError());
+ win32_error(err);
errno = EIO;
return -1;
}
{
DWORD ret;
wimlib_assert(resolved_path == NULL);
+ DWORD err;
ret = GetFullPathNameW(path, 0, NULL, NULL);
- if (!ret)
+ if (!ret) {
+ err = GetLastError();
goto fail_win32;
+ }
resolved_path = TMALLOC(ret);
if (!resolved_path)
- goto fail;
+ goto out;
ret = GetFullPathNameW(path, ret, resolved_path, NULL);
if (!ret) {
+ err = GetLastError();
free(resolved_path);
+ resolved_path = NULL;
goto fail_win32;
}
- return resolved_path;
+ goto out;
fail_win32:
- win32_error(GetLastError());
-fail:
- return NULL;
-}
-
-char *
-nl_langinfo(nl_item item)
-{
- wimlib_assert(item == CODESET);
- static char buf[64];
- strcpy(buf, "Unknown");
- return buf;
+ win32_error(err);
+ errno = -1;
+out:
+ return resolved_path;
}
/* rename() on Windows fails if the destination file exists. And we need to
ERROR("MoveFileEx(): Can't rename \"%ls\" to \"%ls\"",
oldpath, newpath);
win32_error(err);
- errno = 0;
+ errno = -1;
return -1;
}
}
+/* Replacement for POSIX fnmatch() (partial functionality only) */
+int
+fnmatch(const wchar_t *pattern, const wchar_t *string, int flags)
+{
+ if (PathMatchSpecW(string, pattern))
+ return 0;
+ else
+ return FNM_NOMATCH;
+}
+
/* truncate() replacement */
int
win32_truncate_replacement(const wchar_t *path, off_t size)
fail:
if (err == NO_ERROR)
err = GetLastError();
- ERROR("Can't truncate %ls to %"PRIu64" bytes", path, size);
+ ERROR("Can't truncate \"%ls\" to %"PRIu64" bytes", path, size);
win32_error(err);
errno = -1;
return -1;
}
+
+
+/* This really could be replaced with _wcserror_s, but this doesn't seem to
+ * actually be available in MSVCRT.DLL on Windows XP (perhaps it's statically
+ * linked in by Visual Studio...?). */
+extern int
+win32_strerror_r_replacement(int errnum, wchar_t *buf, size_t buflen)
+{
+ static pthread_mutex_t strerror_lock = PTHREAD_MUTEX_INITIALIZER;
+
+ pthread_mutex_lock(&strerror_lock);
+ mbstowcs(buf, strerror(errnum), buflen);
+ buf[buflen - 1] = '\0';
+ pthread_mutex_unlock(&strerror_lock);
+ return 0;
+}
+
+#endif /* __WIN32__ */
git://wimlib.net / wimlib / blobdiff