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[wimlib] / src / win32_common.c

diff --git a/src/win32_common.c b/src/win32_common.c
index 48e2146855278122048f6e3be789a42240572d3c..a1c3378e92ccb04e8384f83098f027c30315f545 100644 (file)
--- a/src/win32_common.c
+++ b/src/win32_common.c
@@ -5,20 +5,18 @@
 /*
  * Copyright (C) 2013, 2014 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 __WIN32__
@@ -645,4 +643,25 @@ win32_path_to_nt_path(const wchar_t *win32_path, UNICODE_STRING *nt_path)
        return WIMLIB_ERR_INVALID_PARAM;
 }
 
+int
+win32_get_drive_path(const wchar_t *file_path, wchar_t drive_path[7])
+{
+       tchar *file_abspath;
+
+       file_abspath = realpath(file_path, NULL);
+       if (!file_abspath)
+               return WIMLIB_ERR_NOMEM;
+
+       if (file_abspath[0] == L'\0' || file_abspath[1] != L':') {
+               ERROR("\"%ls\": Path format not recognized", file_abspath);
+               FREE(file_abspath);
+               return WIMLIB_ERR_UNSUPPORTED;
+       }
+
+       wsprintf(drive_path, L"\\\\.\\%lc:", file_abspath[0]);
+       FREE(file_abspath);
+       return 0;
+}
+
+
 #endif /* __WIN32__ */