common/args.h

   1 /*-
   2  * Copyright (c) 1993, 1994
   3  *      The Regents of the University of California.  All rights reserved.
   4  * Copyright (c) 1993, 1994, 1995, 1996
   5  *      Keith Bostic.  All rights reserved.
   6  *
   7  * See the LICENSE file for redistribution information.
   8  *
   9  *      $Id: args.h,v 10.2 1996/03/06 19:50:07 bostic Exp $ (Berkeley) $Date: 1996/03/06 19:50:07 $
  10  */
  11
  12 /*
  13  * Structure for building "argc/argv" vector of arguments.
  14  *
  15  * !!!
  16  * All arguments are nul terminated as well as having an associated length.
  17  * The argument vector is NOT necessarily NULL terminated.  The proper way
  18  * to check the number of arguments is to use the argc value in the EXCMDARG
  19  * structure or to walk the array until an ARGS structure with a length of 0
  20  * is found.
  21  */
  22 typedef struct _args {
  23         CHAR_T  *bp;            /* Argument. */
  24         size_t   blen;          /* Buffer length. */
  25         size_t   len;           /* Argument length. */
  26
  27 #define A_ALLOCATED     0x01    /* If allocated space. */
  28         u_int8_t flags;
  29 } ARGS;