subsys/system/cmd/type.c

   1 /*
   2  *  TYPE.C - type internal command.
   3  *
   4  *  History:
   5  *
   6  *    07/08/1998 (John P. Price)
   7  *        started.
   8  *
   9  *    07/12/98 (Rob Lake)
  10  *        Changed error messages
  11  *
  12  *    27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
  13  *        added config.h include
  14  *
  15  *    07-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  16  *        Added support for quoted arguments (type "test file.dat").
  17  *        Cleaned up.
  18  *
  19  *    19-Jan-1999 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
  20  *        Unicode and redirection ready!
  21  *
  22  *    19-Jan-1999 (Paolo Pantaleo <paolopan@freemail.it>)
  23  *        Added multiple file support (copied from y.c)
  24  */
  25
  26 #include "config.h"
  27
  28 #ifdef INCLUDE_CMD_TYPE
  29
  30 #include <windows.h>
  31 #include <tchar.h>
  32 #include <string.h>
  33
  34 #include "cmd.h"
  35
  36
  37 INT cmd_type (LPTSTR cmd, LPTSTR param)
  38 {
  39         TCHAR  buff[256];
  40         HANDLE hFile, hConsoleOut;
  41         DWORD  dwRead;
  42         DWORD  dwWritten;
  43         BOOL   bRet;
  44         INT    argc,i;
  45         LPTSTR *argv;
  46         LPTSTR errmsg;
  47
  48         hConsoleOut=GetStdHandle (STD_OUTPUT_HANDLE);
  49
  50         if (!_tcsncmp (param, _T("/?"), 2))
  51         {
  52                 ConOutPuts (_T("Displays the contents of text files.\n\n"
  53                                            "TYPE [drive:][path]filename"));
  54                 return 0;
  55         }
  56
  57         if (!*param)
  58         {
  59                 error_req_param_missing ();
  60                 return 1;
  61         }
  62
  63         argv = split (param, &argc, TRUE);
  64
  65         for (i = 0; i < argc; i++)
  66         {
  67                 if (_T('/') == argv[i][0])
  68                 {
  69                         ConErrPrintf("Invalid option \"%s\"\n", argv[i] + 1);
  70                         continue;
  71                 }
  72                 hFile = CreateFile(argv[i],
  73                         GENERIC_READ,
  74                         FILE_SHARE_READ,NULL,
  75                         OPEN_EXISTING,
  76                         FILE_ATTRIBUTE_NORMAL,NULL);
  77
  78                 if(hFile == INVALID_HANDLE_VALUE)
  79                 {
  80                         FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER |
  81                                        FORMAT_MESSAGE_IGNORE_INSERTS |
  82                                        FORMAT_MESSAGE_FROM_SYSTEM,
  83                                        NULL,
  84                                        GetLastError(),
  85                                        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
  86                                        (LPTSTR) &errmsg,
  87                                        0,
  88                                        NULL);
  89                         ConErrPrintf ("%s - %s", argv[i], errmsg);
  90                         LocalFree (errmsg);
  91                         continue;
  92                 }
  93
  94                 do
  95                 {
  96                         bRet = ReadFile(hFile,buff,sizeof(buff),&dwRead,NULL);
  97
  98                         if (dwRead>0 && bRet)
  99                                 WriteFile(hConsoleOut,buff,dwRead,&dwWritten,NULL);
 100
 101                 } while(dwRead>0 && bRet);
 102
 103                 CloseHandle(hFile);
 104         }
 105
 106         freep (argv);
 107
 108         return 0;
 109 }
 110
 111 #endif