base/shell/cmd/echo.c

   1 /*
   2  *  ECHO.C - internal echo commands.
   3  *
   4  *
   5  *  History:
   6  *
   7  *    16 Jul 1998 (Hans B Pufal)
   8  *        Started.
   9  *
  10  *    16 Jul 1998 (John P Price)
  11  *        Separated commands into individual files.
  12  *
  13  *    27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
  14  *        Added config.h include
  15  *
  16  *    08-Dec-1998 (Eric Kohl)
  17  *        Added help text ("/?").
  18  *
  19  *    19-Jan-1999 (Eric Kohl)
  20  *        Unicode and redirection ready!
  21  *
  22  *    13-Jul-2000 (Eric Kohl)
  23  *        Implemented 'echo.' and 'echoerr.'.
  24  *
  25  *    28-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
  26  *        Remove all hardcoded strings in En.rc
  27  */
  28
  29 #include "precomp.h"
  30
  31 BOOL
  32 OnOffCommand(LPTSTR param, LPBOOL flag, INT message)
  33 {
  34     TCHAR *p2;
  35     if (_tcsnicmp(param, D_OFF, sizeof(D_OFF)/sizeof(TCHAR) - 1) == 0)
  36     {
  37         p2 = param + sizeof(D_OFF)/sizeof(TCHAR) - 1;
  38         while (_istspace(*p2))
  39             p2++;
  40         if (*p2 == _T('\0'))
  41         {
  42             *flag = FALSE;
  43             return TRUE;
  44         }
  45     }
  46     else if (_tcsnicmp(param, D_ON, sizeof(D_ON)/sizeof(TCHAR) - 1) == 0)
  47     {
  48         p2 = param + sizeof(D_ON)/sizeof(TCHAR) - 1;
  49         while (_istspace(*p2))
  50             p2++;
  51         if (*p2 == _T('\0'))
  52         {
  53             *flag = TRUE;
  54             return TRUE;
  55         }
  56     }
  57     else if (*param == _T('\0'))
  58     {
  59         ConOutResPrintf(message, *flag ? D_ON : D_OFF);
  60         return TRUE;
  61     }
  62     return FALSE;
  63 }
  64
  65 INT CommandEcho (LPTSTR param)
  66 {
  67     LPTSTR p1;
  68
  69     TRACE ("CommandEcho: '%s'\n", debugstr_aw(param));
  70
  71     /* skip all spaces for the check of '/?', 'ON' and 'OFF' */
  72     p1 = param;
  73     while(_istspace(*p1))
  74             p1++;
  75
  76     if (!_tcsncmp (p1, _T("/?"), 2))
  77     {
  78         ConOutResPaging(TRUE,STRING_ECHO_HELP4);
  79         return 0;
  80     }
  81
  82     if (!OnOffCommand(p1, &bEcho, STRING_ECHO_HELP5))
  83     {
  84         /* skip the first character */
  85         ConOutPuts(param + 1);
  86         ConOutChar(_T('\n'));
  87     }
  88     return 0;
  89 }
  90
  91 INT CommandEchos (LPTSTR param)
  92 {
  93     TRACE ("CommandEchos: '%s'\n", debugstr_aw(param));
  94
  95     if (!_tcsncmp (param, _T("/?"), 2))
  96     {
  97         ConOutResPuts(STRING_ECHO_HELP1);
  98         return 0;
  99     }
 100
 101     ConOutPrintf (_T("%s"), param);
 102     return 0;
 103 }
 104
 105
 106 INT CommandEchoerr (LPTSTR param)
 107 {
 108     TRACE ("CommandEchoerr: '%s'\n", debugstr_aw(param));
 109
 110     if (!_tcsncmp (param, _T("/?"), 2))
 111     {
 112         ConOutResPuts(STRING_ECHO_HELP2);
 113         return 0;
 114     }
 115
 116     ConErrPuts (param);
 117     return 0;
 118 }
 119
 120
 121 INT CommandEchoserr (LPTSTR param)
 122 {
 123     TRACE ("CommandEchoserr: '%s'\n", debugstr_aw(param));
 124
 125     if (!_tcsncmp (param, _T("/?"), 2))
 126     {
 127         ConOutResPuts(STRING_ECHO_HELP3);
 128         return 0;
 129     }
 130
 131     ConErrPrintf (_T("%s"), param);
 132     return 0;
 133 }
 134
 135 /* EOF */