xref: /reactos/base/shell/cmd/echo.c (revision c2c66aff)

/*
 *  ECHO.C - internal echo commands.
 *
 *
 *  History:
 *
 *    16 Jul 1998 (Hans B Pufal)
 *        Started.
 *
 *    16 Jul 1998 (John P Price)
 *        Separated commands into individual files.
 *
 *    27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
 *        Added config.h include
 *
 *    08-Dec-1998 (Eric Kohl)
 *        Added help text ("/?").
 *
 *    19-Jan-1999 (Eric Kohl)
 *        Unicode and redirection ready!
 *
 *    13-Jul-2000 (Eric Kohl)
 *        Implemented 'echo.' and 'echoerr.'.
 *
 *    28-Apr-2005 (Magnus Olsen <magnus@greatlord.com>)
 *        Remove all hardcoded strings in En.rc
 */

#include "precomp.h"

BOOL
OnOffCommand(LPTSTR param, LPBOOL flag, INT message)
{
    TCHAR *p2;
    if (_tcsnicmp(param, D_OFF, sizeof(D_OFF)/sizeof(TCHAR) - 1) == 0)
    {
        p2 = param + sizeof(D_OFF)/sizeof(TCHAR) - 1;
        while (_istspace(*p2))
            p2++;
        if (*p2 == _T('\0'))
        {
            *flag = FALSE;
            return TRUE;
        }
    }
    else if (_tcsnicmp(param, D_ON, sizeof(D_ON)/sizeof(TCHAR) - 1) == 0)
    {
        p2 = param + sizeof(D_ON)/sizeof(TCHAR) - 1;
        while (_istspace(*p2))
            p2++;
        if (*p2 == _T('\0'))
        {
            *flag = TRUE;
            return TRUE;
        }
    }
    else if (*param == _T('\0'))
    {
        ConOutResPrintf(message, *flag ? D_ON : D_OFF);
        return TRUE;
    }
    return FALSE;
}

INT CommandEcho (LPTSTR param)
{
    LPTSTR p1;

    TRACE ("CommandEcho: '%s'\n", debugstr_aw(param));

    /* skip all spaces for the check of '/?', 'ON' and 'OFF' */
    p1 = param;
    while(_istspace(*p1))
            p1++;

    if (!_tcsncmp (p1, _T("/?"), 2))
    {
        ConOutResPaging(TRUE,STRING_ECHO_HELP4);
        return 0;
    }

    if (!OnOffCommand(p1, &bEcho, STRING_ECHO_HELP5))
    {
        /* skip the first character */
        ConOutPuts(param + 1);
        ConOutChar(_T('\n'));
    }
    return 0;
}

INT CommandEchos (LPTSTR param)
{
    TRACE ("CommandEchos: '%s'\n", debugstr_aw(param));

    if (!_tcsncmp (param, _T("/?"), 2))
    {
        ConOutResPuts(STRING_ECHO_HELP1);
        return 0;
    }

    ConOutPrintf (_T("%s"), param);
    return 0;
}


INT CommandEchoerr (LPTSTR param)
{
    TRACE ("CommandEchoerr: '%s'\n", debugstr_aw(param));

    if (!_tcsncmp (param, _T("/?"), 2))
    {
        ConOutResPuts(STRING_ECHO_HELP2);
        return 0;
    }

    ConErrPuts (param);
    return 0;
}


INT CommandEchoserr (LPTSTR param)
{
    TRACE ("CommandEchoserr: '%s'\n", debugstr_aw(param));

    if (!_tcsncmp (param, _T("/?"), 2))
    {
        ConOutResPuts(STRING_ECHO_HELP3);
        return 0;
    }

    ConErrPrintf (_T("%s"), param);
    return 0;
}

/* EOF */