}
}
-/* Stat by handle
- * Windows' stat() does not accept path which is added "\\?\" especially "?"
- * character.
- * It means we cannot access a long name path(which is longer than MAX_PATH).
- * So I've implemented simular Windows' stat() to access the long name path.
- * And I've added some feature.
- * 1. set st_ino by nFileIndexHigh and nFileIndexLow of
- * BY_HANDLE_FILE_INFORMATION.
- * 2. set st_nlink by nNumberOfLinks of BY_HANDLE_FILE_INFORMATION.
- * 3. set st_dev by dwVolumeSerialNumber by BY_HANDLE_FILE_INFORMATION.
- */
-static int
-__hstat(HANDLE handle, struct ustat *st)
-{
- BY_HANDLE_FILE_INFORMATION info;
- ULARGE_INTEGER ino64;
- DWORD ftype;
- mode_t mode;
- time_t time;
- long ns;
-
- switch (ftype = GetFileType(handle)) {
- case FILE_TYPE_UNKNOWN:
- errno = EBADF;
- return (-1);
- case FILE_TYPE_CHAR:
- case FILE_TYPE_PIPE:
- if (ftype == FILE_TYPE_CHAR) {
- st->st_mode = S_IFCHR;
- st->st_size = 0;
- } else {
- DWORD avail;
-
- st->st_mode = AE_IFIFO;
- if (PeekNamedPipe(handle, NULL, 0, NULL, &avail, NULL))
- st->st_size = avail;
- else
- st->st_size = 0;
- }
- st->st_atime = 0;
- st->st_atime_nsec = 0;
- st->st_mtime = 0;
- st->st_mtime_nsec = 0;
- st->st_ctime = 0;
- st->st_ctime_nsec = 0;
- st->st_ino = 0;
- st->st_nlink = 1;
- st->st_uid = 0;
- st->st_gid = 0;
- st->st_rdev = 0;
- st->st_dev = 0;
- return (0);
- case FILE_TYPE_DISK:
- break;
- default:
- /* This ftype is undocumented type. */
- cpio_dosmaperr(GetLastError());
- return (-1);
- }
-
- ZeroMemory(&info, sizeof(info));
- if (!GetFileInformationByHandle (handle, &info)) {
- cpio_dosmaperr(GetLastError());
- return (-1);
- }
-
- mode = 0444;
- if ((info.dwFileAttributes & FILE_ATTRIBUTE_READONLY) == 0)
- mode |= 0222;
- if (info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- mode |= S_IFDIR | 0111;
- else
- mode |= S_IFREG;
- st->st_mode = mode;
-
- fileTimeToUTC(&info.ftLastAccessTime, &time, &ns);
- st->st_atime = time;
- st->st_atime_nsec = ns;
- fileTimeToUTC(&info.ftLastWriteTime, &time, &ns);
- st->st_mtime = time;
- st->st_mtime_nsec = ns;
- fileTimeToUTC(&info.ftCreationTime, &time, &ns);
- st->st_ctime = time;
- st->st_ctime_nsec = ns;
- st->st_size =
- ((int64_t)(info.nFileSizeHigh) * ((int64_t)MAXDWORD + 1))
- + (int64_t)(info.nFileSizeLow);
-#ifdef SIMULATE_WIN_STAT
- st->st_ino = 0;
- st->st_nlink = 1;
- st->st_dev = 0;
-#else
- /* Getting FileIndex as i-node. We have to remove a sequence which
- * is high-16-bits of nFileIndexHigh. */
- ino64.HighPart = info.nFileIndexHigh & 0x0000FFFFUL;
- ino64.LowPart = info.nFileIndexLow;
- st->st_ino = ino64.QuadPart;
- st->st_nlink = info.nNumberOfLinks;
- if (info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
- ++st->st_nlink;/* Add parent directory. */
- st->st_dev = info.dwVolumeSerialNumber;
-#endif
- st->st_uid = 0;
- st->st_gid = 0;
- st->st_rdev = 0;
- return (0);
-}
-
-static void
-copy_stat(struct stat *st, struct ustat *us)
-{
- st->st_atime = us->st_atime;
- st->st_ctime = us->st_ctime;
- st->st_mtime = us->st_mtime;
- st->st_gid = us->st_gid;
- st->st_ino = getino(us);
- st->st_mode = us->st_mode;
- st->st_nlink = us->st_nlink;
- st->st_size = us->st_size;
- st->st_uid = us->st_uid;
- st->st_dev = us->st_dev;
- st->st_rdev = us->st_rdev;
-}
-
-int
-la_fstat(int fd, struct stat *st)
-{
- struct ustat u;
- int ret;
-
- if (fd < 0) {
- errno = EBADF;
- return (-1);
- }
- ret = __hstat((HANDLE)_get_osfhandle(fd), &u);
- if (ret >= 0) {
- copy_stat(st, &u);
- if ((u.st_mode & AE_IFMT) == AE_IFCHR
- || (u.st_mode & AE_IFMT) == AE_IFIFO) {
- st->st_dev = fd;
- st->st_rdev = fd;
- }
- }
- return (ret);
-}
-
-int
-la_stat(const char *path, struct stat *st)
-{
- HANDLE handle;
- struct ustat u;
- int ret;
-
- handle = la_CreateFile(path, 0, 0, NULL, OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_READONLY,
- NULL);
- if (handle == INVALID_HANDLE_VALUE) {
- cpio_dosmaperr(GetLastError());
- return (-1);
- }
- ret = __hstat(handle, &u);
- CloseHandle(handle);
- if (ret >= 0) {
- char *p;
-
- copy_stat(st, &u);
- p = strrchr(path, '.');
- if (p != NULL && strlen(p) == 4) {
- char exttype[4];
-
- ++ p;
- exttype[0] = toupper(*p++);
- exttype[1] = toupper(*p++);
- exttype[2] = toupper(*p++);
- exttype[3] = '\0';
- if (!strcmp(exttype, "EXE") || !strcmp(exttype, "CMD") ||
- !strcmp(exttype, "BAT") || !strcmp(exttype, "COM"))
- st->st_mode |= 0111;
- }
- }
- return (ret);
-}
-
ssize_t
la_write(int fd, const void *buf, size_t nbytes)
{