rosapps/applications/cmdutils/winspool_print/main.c

   1 #include <stdio.h>
   2 #include <windows.h>
   3
   4 void Usage(WCHAR* name)
   5 {
   6     wprintf(L"Usage: %s testfile\n", name);
   7 }
   8
   9 int wmain(int argc, WCHAR* argv[])
  10 {
  11     int ReturnValue = 1;
  12     DWORD dwFileSize;
  13     DWORD dwRead, dwWritten;
  14     HANDLE hFile = INVALID_HANDLE_VALUE;
  15     HANDLE hPrinter = NULL;
  16     DOC_INFO_1W docInfo;
  17     BYTE Buffer[4096];
  18
  19     if (argc <= 1)
  20     {
  21         Usage(argv[0]);
  22         return 0;
  23     }
  24
  25     hFile = CreateFileW(argv[1], GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
  26     if (hFile == INVALID_HANDLE_VALUE)
  27     {
  28         printf("CreateFileW failed, last error is %lu!\n", GetLastError());
  29         goto Cleanup;
  30     }
  31
  32     dwFileSize = GetFileSize(hFile, NULL);
  33     if (dwFileSize == INVALID_FILE_SIZE)
  34     {
  35         printf("File is too big, or GetFileSize failed; last error is %lu!\n", GetLastError());
  36         goto Cleanup;
  37     }
  38
  39     if (!OpenPrinterW(L"Dummy Printer On LPT1", &hPrinter, NULL))
  40     {
  41         printf("OpenPrinterW failed, last error is %lu!\n", GetLastError());
  42         goto Cleanup;
  43     }
  44
  45     /* Print to a printer, with the "RAW" datatype (pDatatype == NULL or "RAW") */
  46     ZeroMemory(&docInfo, sizeof(docInfo));
  47     docInfo.pDocName = L"winspool_print";
  48
  49     if (!StartDocPrinterW(hPrinter, 1, (LPBYTE)&docInfo))
  50     {
  51         printf("StartDocPrinterW failed, last error is %lu!\n", GetLastError());
  52         goto Cleanup;
  53     }
  54
  55     if (!StartPagePrinter(hPrinter))
  56     {
  57         printf("StartPagePrinter failed, last error is %lu!\n", GetLastError());
  58         goto Cleanup;
  59     }
  60
  61     while (dwFileSize > 0)
  62     {
  63         dwRead = min(sizeof(Buffer), dwFileSize);
  64         if (!ReadFile(hFile, Buffer, dwRead, &dwRead, NULL))
  65         {
  66             printf("ReadFile failed, last error is %lu!\n", GetLastError());
  67             goto Cleanup;
  68         }
  69         dwFileSize -= dwRead;
  70
  71         if (!WritePrinter(hPrinter, Buffer, dwRead, &dwWritten))
  72         {
  73             printf("WritePrinter failed, last error is %lu!\n", GetLastError());
  74             goto Cleanup;
  75         }
  76     }
  77
  78     if (!EndPagePrinter(hPrinter))
  79     {
  80         printf("EndPagePrinter failed, last error is %lu!\n", GetLastError());
  81         goto Cleanup;
  82     }
  83
  84     if (!EndDocPrinter(hPrinter))
  85     {
  86         printf("EndDocPrinter failed, last error is %lu!\n", GetLastError());
  87         goto Cleanup;
  88     }
  89
  90     ReturnValue = 0;
  91
  92 Cleanup:
  93     if (hPrinter)
  94         ClosePrinter(hPrinter);
  95
  96     if (hFile != INVALID_HANDLE_VALUE)
  97         CloseHandle(hFile);
  98
  99     return ReturnValue;
 100 }