/**

 * WinPR: Windows Portable Runtime

 * Path Functions

 *

 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <winpr/config.h>

#include <winpr/crt.h>

#include <winpr/tchar.h>

#include <winpr/path.h>

#include <winpr/file.h>

#define PATH_SLASH_CHR '/'

#define PATH_SLASH_STR "/"

#define PATH_BACKSLASH_CHR '\\'

#define PATH_BACKSLASH_STR "\\"

#ifdef _WIN32

#define PATH_SLASH_STR_W L"/"

#define PATH_BACKSLASH_STR_W L"\\"

#else

#define PATH_SLASH_STR_W \

  {                    \

    '/', '\0'        \

  }

#define PATH_BACKSLASH_STR_W \

  {                        \

    '\\', '\0'           \

  }

#endif

#ifdef _WIN32

#define PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_SEPARATOR_STR PATH_BACKSLASH_STR

#define PATH_SEPARATOR_STR_W PATH_BACKSLASH_STR_W

#else

#define PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_SEPARATOR_STR PATH_SLASH_STR

#define PATH_SEPARATOR_STR_W PATH_SLASH_STR_W

#endif

#define SHARED_LIBRARY_EXT_DLL "dll"

#define SHARED_LIBRARY_EXT_SO "so"

#define SHARED_LIBRARY_EXT_DYLIB "dylib"

#ifdef _WIN32

#define SHARED_LIBRARY_EXT SHARED_LIBRARY_EXT_DLL

#elif defined(__APPLE__)

#define SHARED_LIBRARY_EXT SHARED_LIBRARY_EXT_DYLIB

#else

#define SHARED_LIBRARY_EXT SHARED_LIBRARY_EXT_SO

#endif

#include "../log.h"

#define TAG WINPR_TAG("path")

/*

 * PathCchAddBackslash

 */

/* Windows-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_CCH_ADD_SEPARATOR PathCchAddBackslashA

#include "include/PathCchAddSeparator.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_CCH_ADD_SEPARATOR PathCchAddBackslashW

#include "include/PathCchAddSeparator.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR

/* Unix-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_CCH_ADD_SEPARATOR PathCchAddSlashA

#include "include/PathCchAddSeparator.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_CCH_ADD_SEPARATOR PathCchAddSlashW

#include "include/PathCchAddSeparator.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR

/* Native-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define PATH_CCH_ADD_SEPARATOR PathCchAddSeparatorA

#include "include/PathCchAddSeparator.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define PATH_CCH_ADD_SEPARATOR PathCchAddSeparatorW

#include "include/PathCchAddSeparator.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR

/*

 * PathCchRemoveBackslash

 */

HRESULT PathCchRemoveBackslashA(PSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchRemoveBackslashW(PWSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathCchAddBackslashEx

 */

/* Windows-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddBackslashExA

#include "include/PathCchAddSeparatorEx.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR_EX

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddBackslashExW

#include "include/PathCchAddSeparatorEx.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR_EX

/* Unix-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddSlashExA

#include "include/PathCchAddSeparatorEx.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR_EX

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddSlashExW

#include "include/PathCchAddSeparatorEx.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR_EX

/* Native-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddSeparatorExA

#include "include/PathCchAddSeparatorEx.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR_EX

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddSeparatorExW

#include "include/PathCchAddSeparatorEx.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_SEPARATOR_EX

HRESULT PathCchRemoveBackslashExA(PSTR pszPath, size_t cchPath, PSTR* ppszEnd,

                                  size_t* pcchRemaining)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchRemoveBackslashExW(PWSTR pszPath, size_t cchPath, PWSTR* ppszEnd,

                                  size_t* pcchRemaining)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathCchAddExtension

 */

/* Windows-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_CCH_ADD_EXTENSION PathCchAddExtensionA

#include "include/PathCchAddExtension.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_EXTENSION

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define PATH_CCH_ADD_EXTENSION PathCchAddExtensionW

#include "include/PathCchAddExtension.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_EXTENSION

/* Unix-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_CCH_ADD_EXTENSION UnixPathCchAddExtensionA

#include "include/PathCchAddExtension.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_EXTENSION

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define PATH_CCH_ADD_EXTENSION UnixPathCchAddExtensionW

#include "include/PathCchAddExtension.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_EXTENSION

/* Native-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define PATH_CCH_ADD_EXTENSION NativePathCchAddExtensionA

#include "include/PathCchAddExtension.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_EXTENSION

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define PATH_CCH_ADD_EXTENSION NativePathCchAddExtensionW

#include "include/PathCchAddExtension.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef PATH_CCH_ADD_EXTENSION

/*

 * PathCchAppend

 */

/* Windows-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_BACKSLASH_STR

#define PATH_CCH_APPEND PathCchAppendA

#include "include/PathCchAppend.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_CCH_APPEND

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_BACKSLASH_STR_W

#define PATH_CCH_APPEND PathCchAppendW

#include "include/PathCchAppend.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_CCH_APPEND

/* Unix-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SLASH_STR

#define PATH_CCH_APPEND UnixPathCchAppendA

#include "include/PathCchAppend.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_CCH_APPEND

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SLASH_STR_W

#define PATH_CCH_APPEND UnixPathCchAppendW

#include "include/PathCchAppend.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_CCH_APPEND

/* Native-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SEPARATOR_STR

#define PATH_CCH_APPEND NativePathCchAppendA

#include "include/PathCchAppend.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_CCH_APPEND

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SEPARATOR_STR_W

#define PATH_CCH_APPEND NativePathCchAppendW

#include "include/PathCchAppend.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_CCH_APPEND

/*

 * PathCchAppendEx

 */

HRESULT PathCchAppendExA(PSTR pszPath, size_t cchPath, PCSTR pszMore, unsigned long dwFlags)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchAppendExW(PWSTR pszPath, size_t cchPath, PCWSTR pszMore, unsigned long dwFlags)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathCchCanonicalize

 */

HRESULT PathCchCanonicalizeA(PSTR pszPathOut, size_t cchPathOut, PCSTR pszPathIn)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchCanonicalizeW(PWSTR pszPathOut, size_t cchPathOut, PCWSTR pszPathIn)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathCchCanonicalizeEx

 */

HRESULT PathCchCanonicalizeExA(PSTR pszPathOut, size_t cchPathOut, PCSTR pszPathIn,

                               unsigned long dwFlags)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchCanonicalizeExW(PWSTR pszPathOut, size_t cchPathOut, PCWSTR pszPathIn,

                               unsigned long dwFlags)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathAllocCanonicalize

 */

HRESULT PathAllocCanonicalizeA(PCSTR pszPathIn, unsigned long dwFlags, PSTR* ppszPathOut)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathAllocCanonicalizeW(PCWSTR pszPathIn, unsigned long dwFlags, PWSTR* ppszPathOut)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathCchCombine

 */

HRESULT PathCchCombineA(PSTR pszPathOut, size_t cchPathOut, PCSTR pszPathIn, PCSTR pszMore)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchCombineW(PWSTR pszPathOut, size_t cchPathOut, PCWSTR pszPathIn, PCWSTR pszMore)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathCchCombineEx

 */

HRESULT PathCchCombineExA(PSTR pszPathOut, size_t cchPathOut, PCSTR pszPathIn, PCSTR pszMore,

                          unsigned long dwFlags)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchCombineExW(PWSTR pszPathOut, size_t cchPathOut, PCWSTR pszPathIn, PCWSTR pszMore,

                          unsigned long dwFlags)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * PathAllocCombine

 */

/* Windows-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_BACKSLASH_STR

#define PATH_ALLOC_COMBINE PathAllocCombineA

#include "include/PathAllocCombine.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_ALLOC_COMBINE

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_BACKSLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_BACKSLASH_STR_W

#define PATH_ALLOC_COMBINE PathAllocCombineW

#include "include/PathAllocCombine.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_ALLOC_COMBINE

/* Unix-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SLASH_STR

#define PATH_ALLOC_COMBINE UnixPathAllocCombineA

#include "include/PathAllocCombine.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_ALLOC_COMBINE

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SLASH_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SLASH_STR_W

#define PATH_ALLOC_COMBINE UnixPathAllocCombineW

#include "include/PathAllocCombine.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_ALLOC_COMBINE

/* Native-style Paths */

#define DEFINE_UNICODE FALSE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SEPARATOR_STR

#define PATH_ALLOC_COMBINE NativePathAllocCombineA

#include "include/PathAllocCombine.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_ALLOC_COMBINE

#define DEFINE_UNICODE TRUE

#define CUR_PATH_SEPARATOR_CHR PATH_SEPARATOR_CHR

#define CUR_PATH_SEPARATOR_STR PATH_SEPARATOR_STR_W

#define PATH_ALLOC_COMBINE NativePathAllocCombineW

#include "include/PathAllocCombine.c"

#undef DEFINE_UNICODE

#undef CUR_PATH_SEPARATOR_CHR

#undef CUR_PATH_SEPARATOR_STR

#undef PATH_ALLOC_COMBINE

/**

 * PathCchFindExtension

 */

HRESULT PathCchFindExtensionA(PCSTR pszPath, size_t cchPath, PCSTR* ppszExt)

{

  const char* p = (const char*)pszPath;

  if (!pszPath || !cchPath || !ppszExt)

    return E_INVALIDARG;

  /* find end of string */

  while (*p && --cchPath)

  {

    p++;

  }

  if (*p)

  {

    /* pszPath is not null terminated within the cchPath range */

    return E_INVALIDARG;

  }

  /* If no extension is found, ppszExt must point to the string's terminating null */

  *ppszExt = p;

  /* search backwards for '.' */

  while (p > pszPath)

  {

    if (*p == '.')

    {

      *ppszExt = (PCSTR)p;

      break;

    }

    if ((*p == '\\') || (*p == '/') || (*p == ':'))

      break;

    p--;

  }

  return S_OK;

}

HRESULT PathCchFindExtensionW(PCWSTR pszPath, size_t cchPath, PCWSTR* ppszExt)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/**

 * PathCchRenameExtension

 */

HRESULT PathCchRenameExtensionA(PSTR pszPath, size_t cchPath, PCSTR pszExt)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchRenameExtensionW(PWSTR pszPath, size_t cchPath, PCWSTR pszExt)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/**

 * PathCchRemoveExtension

 */

HRESULT PathCchRemoveExtensionA(PSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchRemoveExtensionW(PWSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/**

 * PathCchIsRoot

 */

BOOL PathCchIsRootA(PCSTR pszPath)

{

  WLog_ERR(TAG, "not implemented");

  return FALSE;

}

BOOL PathCchIsRootW(PCWSTR pszPath)

{

  WLog_ERR(TAG, "not implemented");

  return FALSE;

}

/**

 * PathIsUNCEx

 */

BOOL PathIsUNCExA(PCSTR pszPath, PCSTR* ppszServer)

{

  if (!pszPath)

    return FALSE;

  if ((pszPath[0] == '\\') && (pszPath[1] == '\\'))

  {

    *ppszServer = &pszPath[2];

    return TRUE;

  }

  return FALSE;

}

BOOL PathIsUNCExW(PCWSTR pszPath, PCWSTR* ppszServer)

{

  if (!pszPath)

    return FALSE;

  if ((pszPath[0] == '\\') && (pszPath[1] == '\\'))

  {

    *ppszServer = &pszPath[2];

    return TRUE;

  }

  return FALSE;

}

/**

 * PathCchSkipRoot

 */

HRESULT PathCchSkipRootA(PCSTR pszPath, PCSTR* ppszRootEnd)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchSkipRootW(PCWSTR pszPath, PCWSTR* ppszRootEnd)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/**

 * PathCchStripToRoot

 */

HRESULT PathCchStripToRootA(PSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchStripToRootW(PWSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/**

 * PathCchStripPrefix

 */

HRESULT PathCchStripPrefixA(PSTR pszPath, size_t cchPath)

{

  BOOL hasPrefix = 0;

  if (!pszPath)

    return E_INVALIDARG;

  if (cchPath < 4 || cchPath > PATHCCH_MAX_CCH)

    return E_INVALIDARG;

  hasPrefix = ((pszPath[0] == '\\') && (pszPath[1] == '\\') && (pszPath[2] == '?') &&

               (pszPath[3] == '\\'))

                  ? TRUE

                  : FALSE;

  if (hasPrefix)

  {

    if (cchPath < 6)

      return S_FALSE;

    if (IsCharAlpha(pszPath[4]) && (pszPath[5] == ':')) /* like C: */

    {

      memmove_s(pszPath, cchPath, &pszPath[4], cchPath - 4);

      /* since the passed pszPath must not necessarily be null terminated

       * and we always have enough space after the strip we can always

       * ensure the null termination of the stripped result

       */

      pszPath[cchPath - 4] = 0;

      return S_OK;

    }

  }

  return S_FALSE;

}

HRESULT PathCchStripPrefixW(PWSTR pszPath, size_t cchPath)

{

  BOOL hasPrefix = 0;

  if (!pszPath)

    return E_INVALIDARG;

  if (cchPath < 4 || cchPath > PATHCCH_MAX_CCH)

    return E_INVALIDARG;

  hasPrefix = ((pszPath[0] == '\\') && (pszPath[1] == '\\') && (pszPath[2] == '?') &&

               (pszPath[3] == '\\'))

                  ? TRUE

                  : FALSE;

  if (hasPrefix)

  {

    int rc = 0;

    if (cchPath < 6)

      return S_FALSE;

    rc = (_wcslen(&pszPath[4]) + 1);

    if ((rc < 0) || ((INT64)cchPath < rc))

      return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);

    if (IsCharAlphaW(pszPath[4]) && (pszPath[5] == L':')) /* like C: */

    {

      wmemmove_s(pszPath, cchPath, &pszPath[4], cchPath - 4);

      /* since the passed pszPath must not necessarily be null terminated

       * and we always have enough space after the strip we can always

       * ensure the null termination of the stripped result

       */

      pszPath[cchPath - 4] = 0;

      return S_OK;

    }

  }

  return S_FALSE;

}

/**

 * PathCchRemoveFileSpec

 */

HRESULT PathCchRemoveFileSpecA(PSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

HRESULT PathCchRemoveFileSpecW(PWSTR pszPath, size_t cchPath)

{

  WLog_ERR(TAG, "not implemented");

  return E_NOTIMPL;

}

/*

 * Path Portability Functions

 */

/**

 * PathCchConvertStyle

 */

HRESULT PathCchConvertStyleA(PSTR pszPath, size_t cchPath, unsigned long dwFlags)

{

  if (dwFlags == PATH_STYLE_WINDOWS)

  {

    for (size_t index = 0; index < cchPath; index++)

    {

      if (pszPath[index] == PATH_SLASH_CHR)

        pszPath[index] = PATH_BACKSLASH_CHR;

    }

  }

  else if (dwFlags == PATH_STYLE_UNIX)

  {

    for (size_t index = 0; index < cchPath; index++)

    {

      if (pszPath[index] == PATH_BACKSLASH_CHR)

        pszPath[index] = PATH_SLASH_CHR;

    }

  }

  else if (dwFlags == PATH_STYLE_NATIVE)

  {

#if (PATH_SEPARATOR_CHR == PATH_BACKSLASH_CHR)

    /* Unix-style to Windows-style */

    for (size_t index = 0; index < cchPath; index++)

    {

      if (pszPath[index] == PATH_SLASH_CHR)

        pszPath[index] = PATH_BACKSLASH_CHR;

    }

#elif (PATH_SEPARATOR_CHR == PATH_SLASH_CHR)

    /* Windows-style to Unix-style */

    for (size_t index = 0; index < cchPath; index++)

    {

      if (pszPath[index] == PATH_BACKSLASH_CHR)

        pszPath[index] = PATH_SLASH_CHR;

    }

#else

    /* Unexpected error */

    return E_FAIL;

#endif

  }

  else

  {

    /* Gangnam style? */

    return E_FAIL;

  }

  return S_OK;

}

HRESULT PathCchConvertStyleW(PWSTR pszPath, size_t cchPath, unsigned long dwFlags)

{

  if (dwFlags == PATH_STYLE_WINDOWS)

  {

    for (size_t index = 0; index < cchPath; index++)

    {

      if (pszPath[index] == PATH_SLASH_CHR)

        pszPath[index] = PATH_BACKSLASH_CHR;

    }

  }

  else if (dwFlags == PATH_STYLE_UNIX)

  {

    for (size_t index = 0; index < cchPath; index++)

    {

      if (pszPath[index] == PATH_BACKSLASH_CHR)

        pszPath[index] = PATH_SLASH_CHR;

    }

  }

  else if (dwFlags == PATH_STYLE_NATIVE)

  {

#if (PATH_SEPARATOR_CHR == PATH_BACKSLASH_CHR)

    {

      /* Unix-style to Windows-style */

      for (size_t index = 0; index < cchPath; index++)

      {

        if (pszPath[index] == PATH_SLASH_CHR)

          pszPath[index] = PATH_BACKSLASH_CHR;

      }

    }

#elif (PATH_SEPARATOR_CHR == PATH_SLASH_CHR)

    {

      /* Windows-style to Unix-style */

      for (size_t index = 0; index < cchPath; index++)

      {

        if (pszPath[index] == PATH_BACKSLASH_CHR)

          pszPath[index] = PATH_SLASH_CHR;

      }

    }

#else

    {

      /* Unexpected error */

      return E_FAIL;

    }

#endif

  }

  else

  {

    /* Gangnam style? */

    return E_FAIL;

  }

  return S_OK;

}

/**

 * PathGetSeparator

 */

char PathGetSeparatorA(unsigned long dwFlags)

{

  char separator = PATH_SEPARATOR_CHR;

  if (!dwFlags)

    dwFlags = PATH_STYLE_NATIVE;

  if (dwFlags == PATH_STYLE_WINDOWS)

    separator = PATH_SEPARATOR_CHR;

  else if (dwFlags == PATH_STYLE_UNIX)

    separator = PATH_SEPARATOR_CHR;

  else if (dwFlags == PATH_STYLE_NATIVE)

    separator = PATH_SEPARATOR_CHR;

  return separator;

}

WCHAR PathGetSeparatorW(unsigned long dwFlags)

{

  union

  {

    WCHAR w;

    char c[2];

  } cnv;

  cnv.c[0] = PATH_SEPARATOR_CHR;

  cnv.c[1] = '\0';

  if (!dwFlags)

    dwFlags = PATH_STYLE_NATIVE;

  if (dwFlags == PATH_STYLE_WINDOWS)

    cnv.c[0] = PATH_SEPARATOR_CHR;

  else if (dwFlags == PATH_STYLE_UNIX)

    cnv.c[0] = PATH_SEPARATOR_CHR;

  else if (dwFlags == PATH_STYLE_NATIVE)

    cnv.c[0] = PATH_SEPARATOR_CHR;

  return cnv.w;

}

/**

 * PathGetSharedLibraryExtension

 */

static const CHAR SharedLibraryExtensionDllA[] = "dll";

static const CHAR SharedLibraryExtensionSoA[] = "so";

static const CHAR SharedLibraryExtensionDylibA[] = "dylib";

static const CHAR SharedLibraryExtensionDotDllA[] = ".dll";

static const CHAR SharedLibraryExtensionDotSoA[] = ".so";

static const CHAR SharedLibraryExtensionDotDylibA[] = ".dylib";

PCSTR PathGetSharedLibraryExtensionA(unsigned long dwFlags)

{

  if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT)

  {

    if (dwFlags & PATH_SHARED_LIB_EXT_WITH_DOT)

    {

      if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT_DLL)

        return SharedLibraryExtensionDotDllA;

      if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT_SO)

        return SharedLibraryExtensionDotSoA;

      if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT_DYLIB)

        return SharedLibraryExtensionDotDylibA;

    }

    else

    {

      if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT_DLL)

        return SharedLibraryExtensionDllA;

      if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT_SO)

        return SharedLibraryExtensionSoA;

      if (dwFlags & PATH_SHARED_LIB_EXT_EXPLICIT_DYLIB)

        return SharedLibraryExtensionDylibA;