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/* wide_path.h -- Define class wide_path to convert multibyte win32 path
to wchar_t Win32 path including long path prefix if
necessary.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <stdlib.h>
#include <wchar.h>
class wide_path
{
wchar_t *wp;
public:
wide_path () : wp (NULL) {}
wide_path (const char *mb_path, bool do_prefix = true)
{
int len = mbstowcs (NULL, mb_path, 0) + 1;
wp = (wchar_t *) malloc ((len + 6) * sizeof (wchar_t));
wchar_t *wp_p = wp;
if (do_prefix && len >= MAX_PATH && strncmp (mb_path, "\\\\?\\", 4) != 0)
{
wcscpy (wp_p, L"\\\\?\\");
wp_p += 4;
if (strncmp (mb_path, "\\\\", 2) == 0)
{
wcscpy (wp_p, L"UNC");
wp_p += 3;
++mb_path;
--len;
}
}
mbstowcs (wp_p, mb_path, len);
}
~wide_path () { if (wp) free (wp); }
operator const wchar_t *() const { return wp; }
};
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