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