filter/f-util.c

   1 /*
   2  *      Filters: utility functions
   3  *
   4  *      Copyright 1998 Pavel Machek <pavel@ucw.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 #include "nest/bird.h"
  10 #include "conf/conf.h"
  11 #include "filter/filter.h"
  12
  13 struct f_inst *
  14 f_new_inst(void)
  15 {
  16   struct f_inst * ret;
  17   ret = cfg_alloc(sizeof(struct f_inst));
  18   ret->code = ret->aux = 0;
  19   ret->arg1 = ret->arg2 = ret->next = NULL;
  20   return ret;
  21 }
  22
  23 struct f_inst *
  24 f_new_dynamic_attr(int type, int code)
  25 {
  26   struct f_inst *f = f_new_inst();
  27   f->aux = type;
  28   f->a2.i = code;
  29   return f;
  30 }
  31
  32 char *
  33 filter_name(struct filter *filter)
  34 {
  35   if (!filter)
  36     return "ACCEPT";
  37   else if (filter == FILTER_REJECT)
  38     return "REJECT";
  39   else
  40     return filter->name;
  41 }