4.3BSD - /usr/src/etc/named/db_reload.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)db_reload.c	4.3 (Berkeley) 5/30/86";
   3: #endif
   4: 
   5: /*
   6:  * Copyright (c) 1986 Regents of the University of California
   7:  *	All Rights Reserved
   8:  */
   9: 
  10: #include <sys/types.h>
  11: #include <netinet/in.h>
  12: #include <stdio.h>
  13: #include <arpa/nameser.h>
  14: #include "ns.h"
  15: #include "db.h"
  16: 
  17: /*
  18:  * Flush and reload data base.
  19:  */
  20: 
  21: db_reload()
  22: {
  23:     extern char *bootfile;
  24: 
  25: #ifdef DEBUG
  26:     if (debug >= 3)
  27:         fprintf(ddt,"reload()\n");
  28: #endif
  29: 
  30:     if (hashtab != NULL)
  31:         db_free(hashtab);
  32:     db_inv_free();
  33:     hashtab = NULL;
  34:     ns_init(bootfile);
  35: }
  36: 
  37: db_free(htp)
  38:     struct hashbuf *htp;
  39: {
  40:     register struct databuf *dp;
  41:     register struct namebuf *np;
  42:     struct namebuf **npp, **nppend;
  43: 
  44:     npp = htp->h_tab;
  45:     nppend = npp + htp->h_size;
  46:     while (npp < nppend) {
  47:         for (np = *npp++; np != NULL; free((char *)np), np = np->n_next) {
  48:         if (np->n_hash != NULL)
  49:             db_free(np->n_hash);
  50:         (void) free(np->n_dname);
  51:         if (np->n_data == NULL)
  52:             continue;
  53:         for (dp = np->n_data; dp != NULL; dp = dp->d_next)
  54:             (void) free((char *)dp);
  55:         }
  56:     }
  57:     (void) free((char *)htp);
  58: }
  59: 
  60: db_inv_free()
  61: {
  62:     register struct invbuf *ip;
  63:     register int i, j;
  64: 
  65:     for (i = 0; i < INVHASHSZ; i++)
  66:         for (ip = invtab[i]; ip != NULL; ip = ip->i_next)
  67:             for (j = 0; j < INVBLKSZ; j++)
  68:                 ip->i_dname[j] = NULL;
  69: }

Defined functions

Defined variables