reactos/win32ss/printing/base/winspool/printprocessors.c

   1 /*
   2  * PROJECT:     ReactOS Spooler API
   3  * LICENSE:     GNU LGPL v2.1 or any later version as published by the Free Software Foundation
   4  * PURPOSE:     Functions related to Print Processors
   5  * COPYRIGHT:   Copyright 2015 Colin Finck <colin@reactos.org>
   6  */
   7
   8 #include "precomp.h"
   9
  10 static void
  11 _MarshallUpDatatypesInfo(PDATATYPES_INFO_1W pDatatypesInfo1)
  12 {
  13     // Replace relative offset addresses in the output by absolute pointers.
  14     pDatatypesInfo1->pName = (PWSTR)((ULONG_PTR)pDatatypesInfo1->pName + (ULONG_PTR)pDatatypesInfo1);
  15 }
  16
  17 static void
  18 _MarshallUpPrintProcessorInfo(PPRINTPROCESSOR_INFO_1W pPrintProcessorInfo1)
  19 {
  20     // Replace relative offset addresses in the output by absolute pointers.
  21     pPrintProcessorInfo1->pName = (PWSTR)((ULONG_PTR)pPrintProcessorInfo1->pName + (ULONG_PTR)pPrintProcessorInfo1);
  22 }
  23
  24 BOOL WINAPI
  25 EnumPrintProcessorDatatypesA(PSTR pName, LPSTR pPrintProcessorName, DWORD Level, PBYTE pDatatypes, DWORD cbBuf, PDWORD pcbNeeded, PDWORD pcReturned)
  26 {
  27     return FALSE;
  28 }
  29
  30 BOOL WINAPI
  31 EnumPrintProcessorDatatypesW(PWSTR pName, LPWSTR pPrintProcessorName, DWORD Level, PBYTE pDatatypes, DWORD cbBuf, PDWORD pcbNeeded, PDWORD pcReturned)
  32 {
  33     DWORD dwErrorCode;
  34     DWORD i;
  35     PBYTE p = pDatatypes;
  36
  37     // Do the RPC call
  38     RpcTryExcept
  39     {
  40         dwErrorCode = _RpcEnumPrintProcessorDatatypes(pName, pPrintProcessorName, Level, pDatatypes, cbBuf, pcbNeeded, pcReturned);
  41     }
  42     RpcExcept(EXCEPTION_EXECUTE_HANDLER)
  43     {
  44         dwErrorCode = RpcExceptionCode();
  45         ERR("_RpcEnumPrintProcessorDatatypes failed with exception code %lu!\n", dwErrorCode);
  46     }
  47     RpcEndExcept;
  48
  49     if (dwErrorCode == ERROR_SUCCESS)
  50     {
  51         // Replace relative offset addresses in the output by absolute pointers.
  52         for (i = 0; i < *pcReturned; i++)
  53         {
  54             _MarshallUpDatatypesInfo((PDATATYPES_INFO_1W)p);
  55             p += sizeof(DATATYPES_INFO_1W);
  56         }
  57     }
  58
  59     SetLastError(dwErrorCode);
  60     return (dwErrorCode == ERROR_SUCCESS);
  61 }
  62
  63 BOOL WINAPI
  64 EnumPrintProcessorsW(PWSTR pName, PWSTR pEnvironment, DWORD Level, PBYTE pPrintProcessorInfo, DWORD cbBuf, PDWORD pcbNeeded, PDWORD pcReturned)
  65 {
  66     DWORD dwErrorCode;
  67     DWORD i;
  68     PBYTE p = pPrintProcessorInfo;
  69
  70     // Do the RPC call
  71     RpcTryExcept
  72     {
  73         dwErrorCode = _RpcEnumPrintProcessors(pName, pEnvironment, Level, pPrintProcessorInfo, cbBuf, pcbNeeded, pcReturned);
  74     }
  75     RpcExcept(EXCEPTION_EXECUTE_HANDLER)
  76     {
  77         dwErrorCode = RpcExceptionCode();
  78         ERR("_RpcEnumPrintProcessors failed with exception code %lu!\n", dwErrorCode);
  79     }
  80     RpcEndExcept;
  81
  82     if (dwErrorCode == ERROR_SUCCESS)
  83     {
  84         // Replace relative offset addresses in the output by absolute pointers.
  85         for (i = 0; i < *pcReturned; i++)
  86         {
  87             _MarshallUpPrintProcessorInfo((PPRINTPROCESSOR_INFO_1W)p);
  88             p += sizeof(PRINTPROCESSOR_INFO_1W);
  89         }
  90     }
  91
  92     SetLastError(dwErrorCode);
  93     return (dwErrorCode == ERROR_SUCCESS);
  94 }
  95
  96 BOOL WINAPI
  97 GetPrintProcessorDirectoryW(PWSTR pName, PWSTR pEnvironment, DWORD Level, PBYTE pPrintProcessorInfo, DWORD cbBuf, PDWORD pcbNeeded)
  98 {
  99     BOOL bReturnValue = FALSE;
 100     DWORD dwErrorCode;
 101
 102     // Do the RPC call
 103     RpcTryExcept
 104     {
 105         dwErrorCode = _RpcGetPrintProcessorDirectory(pName, pEnvironment, Level, pPrintProcessorInfo, cbBuf, pcbNeeded);
 106         SetLastError(dwErrorCode);
 107         bReturnValue = (dwErrorCode == ERROR_SUCCESS);
 108     }
 109     RpcExcept(EXCEPTION_EXECUTE_HANDLER)
 110     {
 111         ERR("_RpcGetPrintProcessorDirectory failed with exception code %lu!\n", RpcExceptionCode());
 112     }
 113     RpcEndExcept;
 114
 115     return bReturnValue;
 116 }