freerdp/winpr/libwinpr/path/include/PathCchAddSeparatorEx.c

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2023-05-09 21:29:50 +00:00
/*
#define DEFINE_UNICODE FALSE
#define _PATH_SEPARATOR_CHR '\\'
#define PATH_CCH_ADD_SEPARATOR_EX PathCchAddBackslashExA
*/
#if DEFINE_UNICODE
HRESULT PATH_CCH_ADD_SEPARATOR_EX(PWSTR pszPath, size_t cchPath, PWSTR* ppszEnd,
size_t* pcchRemaining)
{
size_t pszPathLength;
if (!pszPath)
return E_INVALIDARG;
pszPathLength = lstrlenW(pszPath);
if (pszPath[pszPathLength - 1] == _PATH_SEPARATOR_CHR)
return S_FALSE;
if (cchPath > (pszPathLength + 1))
{
pszPath[pszPathLength] = _PATH_SEPARATOR_CHR;
pszPath[pszPathLength + 1] = '\0';
return S_OK;
}
return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
}
#else
HRESULT PATH_CCH_ADD_SEPARATOR_EX(PSTR pszPath, size_t cchPath, PSTR* ppszEnd,
size_t* pcchRemaining)
{
size_t pszPathLength;
if (!pszPath)
return E_INVALIDARG;
pszPathLength = lstrlenA(pszPath);
if (pszPath[pszPathLength - 1] == _PATH_SEPARATOR_CHR)
return S_FALSE;
if (cchPath > (pszPathLength + 1))
{
pszPath[pszPathLength] = _PATH_SEPARATOR_CHR;
pszPath[pszPathLength + 1] = '\0';
return S_OK;
}
return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
}
#endif
/*
#undef DEFINE_UNICODE
#undef _PATH_SEPARATOR_CHR
#undef PATH_CCH_ADD_SEPARATOR_EX
*/