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  1. /****************************************************************************
  2. *
  3. *                            Open Watcom Project
  4. *
  5. *    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
  6. *
  7. *  ========================================================================
  8. *
  9. *    This file contains Original Code and/or Modifications of Original
  10. *    Code as defined in and that are subject to the Sybase Open Watcom
  11. *    Public License version 1.0 (the 'License'). You may not use this file
  12. *    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
  13. *    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
  14. *    provided with the Original Code and Modifications, and is also
  15. *    available at www.sybase.com/developer/opensource.
  16. *
  17. *    The Original Code and all software distributed under the License are
  18. *    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  19. *    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
  20. *    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
  21. *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
  22. *    NON-INFRINGEMENT. Please see the License for the specific language
  23. *    governing rights and limitations under the License.
  24. *
  25. *  ========================================================================
  26. *
  27. * Description:  Multi-platform implementation of getcmd() and _bgetcmd().
  28. *
  29. ****************************************************************************/
  30.  
  31.  
  32. #include "variety.h"
  33. #include <limits.h>
  34. #include <ctype.h>
  35. #include <string.h>
  36. #if defined(__NT__)
  37. #elif defined(__OS2__)
  38. #endif
  39.  
  40. #if !defined( __NETWARE__ ) || defined( _NETWARE_LIBC )
  41.     #include <process.h>
  42. #endif
  43.  
  44. extern char *_LpCmdLine;
  45.  
  46. _WCRTLINK int _bgetcmd( char *buffer, int len )
  47. {
  48.     int         cmdlen;
  49.     char        *cmd;
  50.     char        *tmp;
  51.  
  52.     if( buffer && (len > 0) )
  53.         *buffer = '\0';
  54.  
  55.     cmd = _LpCmdLine;
  56.     if( !cmd )
  57.         return( 0 );
  58.  
  59.     while( *cmd == ' ' || *cmd == '\t' )
  60.         ++cmd;
  61.  
  62.     for( cmdlen = 0, tmp = cmd; *tmp; ++tmp, ++cmdlen )
  63.         ;
  64.  
  65.     if( !buffer || (len <= 0) )
  66.         return( cmdlen );
  67.  
  68.     len--;
  69.     len = (len < cmdlen) ? len : cmdlen;
  70.  
  71.     while( len ) {
  72.         *buffer++ = *cmd++;
  73.         --len;
  74.     }
  75.     buffer[len] = '\0';
  76.  
  77.     return( cmdlen );
  78. } /* _bgetcmd() */
  79.  
  80.  
  81. _WCRTLINK char *getcmd( char *buffer )
  82. {
  83.     _bgetcmd( buffer, INT_MAX );
  84.     return( buffer );
  85. } /* getcmd() */
  86.