C++ (Cpp) HexStringToDword Examples

Example #1

File: coguid.cpp Project: 0-wiz-0/coreclr

//+-------------------------------------------------------------------------
//
//  Function:   wUUIDFromString    (internal)
//
//  Synopsis:   Parse UUID such as 00000000-0000-0000-0000-000000000000
//
//  Arguments:  [lpsz]  - Supplies the UUID string to convert
//              [pguid] - Returns the GUID.
//
//  Returns:    TRUE if successful
//
//--------------------------------------------------------------------------
static BOOL wUUIDFromString(LPCWSTR lpsz, GUID * pguid)
{
    DWORD dw;

    if (!HexStringToDword(lpsz, pguid->Data1, sizeof(DWORD)*2, '-'))
        return FALSE;

    if (!HexStringToDword(lpsz, dw, sizeof(WORD)*2, '-'))
        return FALSE;
    pguid->Data2 = (WORD)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(WORD)*2, '-'))
        return FALSE;
    pguid->Data3 = (WORD)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[0] = (BYTE)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, '-'))
        return FALSE;
    pguid->Data4[1] = (BYTE)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[2] = (BYTE)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[3] = (BYTE)dw;
 
    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[4] = (BYTE)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[5] = (BYTE)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[6] = (BYTE)dw;

    if (!HexStringToDword(lpsz, dw, sizeof(BYTE)*2, 0))
        return FALSE;
    pguid->Data4[7] = (BYTE)dw;

    return TRUE;
}

Example #2

File: ole2dup.c Project: mingpen/OpenNT

// parse above format; return TRUE if succesful; always writes over *pguid.
STDAPI_(BOOL)  GUIDFromString(LPCTSTR lpsz, LPGUID pguid)
{
        DWORD dw;
        if (*lpsz++ != TEXT('{') /*}*/ )
                return FALSE;

        if (!HexStringToDword(&lpsz, &pguid->Data1, SIZEOF(DWORD)*2, TEXT('-')))
                return FALSE;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(WORD)*2, TEXT('-')))
                return FALSE;

        pguid->Data2 = (WORD)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(WORD)*2, TEXT('-')))
                return FALSE;

        pguid->Data3 = (WORD)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, 0))
                return FALSE;

        pguid->Data4[0] = (BYTE)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, TEXT('-')))
                return FALSE;

        pguid->Data4[1] = (BYTE)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, 0))
                return FALSE;

        pguid->Data4[2] = (BYTE)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, 0))
                return FALSE;

        pguid->Data4[3] = (BYTE)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, 0))
                return FALSE;

        pguid->Data4[4] = (BYTE)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, 0))
                return FALSE;

        pguid->Data4[5] = (BYTE)dw;

        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, 0))
                return FALSE;

        pguid->Data4[6] = (BYTE)dw;
        if (!HexStringToDword(&lpsz, &dw, SIZEOF(BYTE)*2, /*(*/ TEXT('}')))
                return FALSE;

        pguid->Data4[7] = (BYTE)dw;

        return TRUE;
}