reactos/apps/utils/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 #define WIN32_LEAN_AND_MEAN
  13
  14 #include "config.h"
  15
  16 #ifdef INCLUDE_CMD_CHCP
  17
  18 #include <windows.h>
  19 #include <tchar.h>
  20 #include <stdlib.h>
  21
  22 #include "cmd.h"
  23 #include "chcp.h"
  24
  25
  26 INT CommandChcp (LPTSTR cmd, LPTSTR param)
  27 {
  28         LPTSTR *arg;
  29         INT    args;
  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         /* get parameters */
  42         arg = split (param, &args);
  43
  44         if (args == 0)
  45         {
  46                 /* display active code page number */
  47                 ConOutPrintf ("Active code page: %u\n", GetConsoleCP ());
  48         }
  49         else if (args >= 2)
  50         {
  51                 /* too many parameters */
  52                 ConErrPrintf ("Invalid parameter format - %s\n", param);
  53         }
  54         else
  55         {
  56                 /* set active code page number */
  57
  58                 UINT uOldCodePage;
  59                 UINT uNewCodePage;
  60
  61                 /* save old code page */
  62                 uOldCodePage = GetConsoleCP ();
  63
  64                 uNewCodePage = (UINT)_ttoi (arg[0]);
  65
  66                 if (uNewCodePage == 0)
  67                 {
  68                         ConErrPrintf ("Parameter format incorrect - %s\n", arg[0]);
  69
  70                 }
  71                 else
  72                 {
  73                         if (!SetConsoleCP (uNewCodePage))
  74                         {
  75                                 ConErrPrintf ("Invalid code page\n");
  76                         }
  77                         else
  78                         {
  79                                 SetConsoleOutputCP (uNewCodePage);
  80                                 InitLocale ();
  81                         }
  82                 }
  83         }
  84
  85         freep (arg);
  86
  87         return 0;
  88 }
  89
  90 #endif /* INCLUDE_CMD_CHCP */