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 <stdio.h>
  10 #include <fcntl.h>
  11 #include <unistd.h>
  12 #include <sys/signal.h>
  13
  14 #include "nest/bird.h"
  15 #include "lib/lists.h"
  16 #include "lib/resource.h"
  17 #include "lib/socket.h"
  18 #include "nest/route.h"
  19 #include "nest/protocol.h"
  20 #include "nest/iface.h"
  21 #include "conf/conf.h"
  22 #include "filter/filter.h"
  23
  24 struct f_instruction *last_func = NULL;
  25
  26 static void
  27 interpret(struct f_instruction *what)
  28 {
  29   struct symbol *sym;
  30   if (!what)
  31     return 0;
  32   switch(what->code) {
  33   case ',':
  34     interpret(what->arg1);
  35     interpret(what->arg2);
  36     break;
  37   case '=':
  38     sym = what->arg1;
  39     sym->aux = what->arg2;
  40     break;
  41   case 'p':
  42     sym = what->arg1;
  43     switch(sym->class) {
  44     case SYM_VARIABLE_INT:
  45       printf( "Printing: %d\n", sym->aux );
  46       break;
  47     default:
  48       printf( "Unknown type passed to print\n" );
  49       break;
  50     }
  51     break;
  52   case 'D':
  53     printf( "DEBUGGING PRINT\n" );
  54     break;
  55   }
  56 }
  57
  58 void
  59 filters_postconfig(void)
  60 {
  61   if (!last_func)
  62     printf( "No function defined\n" );
  63   else {
  64     interpret(last_func);
  65   }
  66 }
  67