rosapps/cmd/chcp.c

   1 /*
   2  *  CHCP.C - chcp internal command.
   3  *
   4  *
   5  *  History:
   6  *
   7  *    23-Dec-1998 (Eric Kohl <ekohl@abo.rhein-zeitung.de>)
   8  *        Started.
   9  *
  10  */
  11
  12 #include "config.h"
  13
  14 #ifdef INCLUDE_CMD_CHCP
  15
  16 #include <windows.h>
  17 #include <tchar.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20
  21 #include "cmd.h"
  22
  23
  24 INT CommandChcp (LPTSTR cmd, LPTSTR param)
  25 {
  26         LPTSTR *arg;
  27         INT    args;
  28         UINT uOldCodePage;
  29         UINT uNewCodePage;
  30
  31         /* print help */
  32         if (!_tcsncmp (param, _T("/?"), 2))
  33         {
  34                 ConOutPuts (_T("Displays or sets the active code page number.\n\n"
  35                                "CHCP [nnn]\n\n"
  36                                "  nnn   Specifies the active code page number.\n\n"
  37                                "Type CHCP without a parameter to display the active code page number."));
  38                 return 0;
  39         }
  40
  41         if (args == 0)
  42         {
  43                 /* display active code page number */
  44                 ConOutPrintf ("Active code page: %u\n", GetConsoleCP ());
  45                 return 0;
  46         }
  47
  48         if (args >= 2)
  49         {
  50                 /* too many parameters */
  51                 ConErrPrintf ("Invalid parameter format - %s\n", param);
  52                 return 1;
  53         }
  54
  55         /* get parameters */
  56         arg = split (param, &args);
  57
  58         /* save old code page */
  59         uOldCodePage = GetConsoleCP ();
  60
  61         uNewCodePage = (UINT)_ttoi (arg[0]);
  62
  63         if (uNewCodePage == 0)
  64         {
  65                 ConErrPrintf ("Parameter format incorrect - %s\n", arg[0]);
  66                 freep (arg);
  67                 return 1;
  68         }
  69
  70         if (!SetConsoleCP (uNewCodePage))
  71         {
  72                 ConErrPrintf ("Invalid code page\n");
  73         }
  74         else
  75         {
  76                 SetConsoleOutputCP (uNewCodePage);
  77                 InitLocale ();
  78         }
  79
  80         freep (arg);
  81
  82         return 0;
  83 }
  84
  85 #endif /* INCLUDE_CMD_CHCP */