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StringToGuid() functions added

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This commit is contained in:
Simon Rozman 2016-08-27 12:18:01 +02:00
parent d0c6be257b
commit ada00d74c5
2 changed files with 151 additions and 0 deletions
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23
include/WinStd/Win.h
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@ -40,6 +40,29 @@ template<class _Elem, class _Traits, class _Ax> inline VOID GuidToStringW(_In_ L
#else
#define GuidToString GuidToStringA
#endif
///
/// Parses string with GUID and stores it to GUID
///
/// \param[in ] lpszGuid String with GUID
/// \param[out] lpGuid GUID to store the result to
///
BOOL WINSTD_API StringToGuidA(_In_z_ LPCSTR lpszGuid, _Out_ LPGUID lpGuid);
///
/// Parses string with GUID and stores it to GUID
///
/// \param[in ] lpszGuid String with GUID
/// \param[out] lpGuid GUID to store the result to
///
BOOL WINSTD_API StringToGuidW(_In_z_ LPCWSTR lpszGuid, _Out_ LPGUID lpGuid);
#ifdef _UNICODE
#define StringToGuid StringToGuidW
#else
#define StringToGuid StringToGuidA
#endif
template<class _Elem, class _Traits, class _Ax> inline LSTATUS RegQueryStringValue(_In_ HKEY hReg, _In_z_ LPCSTR pszName, _Out_ std::basic_string<_Elem, _Traits, _Ax> &sValue);
template<class _Elem, class _Traits, class _Ax> inline LSTATUS RegQueryStringValue(_In_ HKEY hReg, _In_z_ LPCWSTR pszName, _Out_ std::basic_string<_Elem, _Traits, _Ax> &sValue);
template<class _Ty, class _Ax> inline LSTATUS RegQueryValueExA(_In_ HKEY hKey, _In_opt_ LPCSTR lpValueName, __reserved LPDWORD lpReserved, _Out_opt_ LPDWORD lpType, _Out_ std::vector<_Ty, _Ax> &aData);

128
src/Win.cpp
View File

@ -21,6 +21,134 @@
#include "StdAfx.h"
//////////////////////////////////////////////////////////////////////
// StringToGuidA
//////////////////////////////////////////////////////////////////////
BOOL WINSTD_API StringToGuidA(_In_z_ LPCSTR lpszGuid, _Out_ LPGUID lpGuid)
{
GUID g;
LPSTR lpszEnd;
unsigned long ulTmp;
unsigned long long ullTmp;
if (!lpszGuid || !lpGuid || *lpszGuid != '{') return FALSE;
lpszGuid++;
g.Data1 = strtoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE) return FALSE;
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ulTmp = strtoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ulTmp > 0xFFFF) return FALSE;
g.Data2 = (unsigned short)ulTmp;
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ulTmp = strtoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ulTmp > 0xFFFF) return FALSE;
g.Data3 = (unsigned short)ulTmp;
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ulTmp = strtoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ulTmp > 0xFFFF) return FALSE;
g.Data4[0] = (unsigned char)((ulTmp >> 8) & 0xff);
g.Data4[1] = (unsigned char)( ulTmp & 0xff);
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ullTmp = _strtoui64(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ullTmp > 0xFFFFFFFFFFFF) return FALSE;
g.Data4[2] = (unsigned char)((ullTmp >> 40) & 0xff);
g.Data4[3] = (unsigned char)((ullTmp >> 32) & 0xff);
g.Data4[4] = (unsigned char)((ullTmp >> 24) & 0xff);
g.Data4[5] = (unsigned char)((ullTmp >> 16) & 0xff);
g.Data4[6] = (unsigned char)((ullTmp >> 8) & 0xff);
g.Data4[7] = (unsigned char)( ullTmp & 0xff);
lpszGuid = lpszEnd;
if (*lpszGuid != '}') return FALSE;
lpszGuid++;
if (*lpszGuid != 0) return FALSE;
*lpGuid = g;
return TRUE;
}
BOOL WINSTD_API StringToGuidW(_In_z_ LPCWSTR lpszGuid, _Out_ LPGUID lpGuid)
{
GUID g;
LPWSTR lpszEnd;
unsigned long ulTmp;
unsigned long long ullTmp;
if (!lpszGuid || !lpGuid || *lpszGuid != '{') return FALSE;
lpszGuid++;
g.Data1 = wcstoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE) return FALSE;
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ulTmp = wcstoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ulTmp > 0xFFFF) return FALSE;
g.Data2 = (unsigned short)ulTmp;
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ulTmp = wcstoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ulTmp > 0xFFFF) return FALSE;
g.Data3 = (unsigned short)ulTmp;
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ulTmp = wcstoul(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ulTmp > 0xFFFF) return FALSE;
g.Data4[0] = (unsigned char)((ulTmp >> 8) & 0xff);
g.Data4[1] = (unsigned char)( ulTmp & 0xff);
lpszGuid = lpszEnd;
if (*lpszGuid != '-') return FALSE;
lpszGuid++;
ullTmp = _wcstoui64(lpszGuid, &lpszEnd, 16);
if (errno == ERANGE || ullTmp > 0xFFFFFFFFFFFF) return FALSE;
g.Data4[2] = (unsigned char)((ullTmp >> 40) & 0xff);
g.Data4[3] = (unsigned char)((ullTmp >> 32) & 0xff);
g.Data4[4] = (unsigned char)((ullTmp >> 24) & 0xff);
g.Data4[5] = (unsigned char)((ullTmp >> 16) & 0xff);
g.Data4[6] = (unsigned char)((ullTmp >> 8) & 0xff);
g.Data4[7] = (unsigned char)( ullTmp & 0xff);
lpszGuid = lpszEnd;
if (*lpszGuid != '}') return FALSE;
lpszGuid++;
if (*lpszGuid != 0) return FALSE;
*lpGuid = g;
return TRUE;
}
//////////////////////////////////////////////////////////////////////
// winstd::win_handle
//////////////////////////////////////////////////////////////////////