etc/papd/file.h

   1 /*
   2  * Copyright (c) 1990,1991 Regents of The University of Michigan.
   3  * All Rights Reserved.  See COPYRIGHT.
   4  */
   5
   6 struct papfile {
   7     int                 pf_state;
   8     struct state        *pf_xstate;
   9     int                 pf_bufsize;
  10     int                 pf_datalen;
  11     char                *pf_buf;
  12     char                *pf_data;
  13 };
  14
  15 #define PF_BOT          (1<<0)
  16 #define PF_EOF          (1<<1)
  17 #define PF_QUERY        (1<<2)
  18
  19 #define CONSUME( pf, len )  {   (pf)->pf_data += (len); \
  20                                 (pf)->pf_datalen -= (len); \
  21                                 if ((pf)->pf_datalen <= 0) { \
  22                                     (pf)->pf_data = (pf)->pf_buf; \
  23                                     (pf)->pf_datalen = 0; \
  24                                 } \
  25                             }
  26
  27 #define PF_MORESPACE    1024