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BIND483
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db_reload.c
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1993-08-24
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/*
* Copyright (c) 1986, 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted provided
* that: (1) source distributions retain this entire copyright notice and
* comment, and (2) distributions including binaries display the following
* acknowledgement: ``This product includes software developed by the
* University of California, Berkeley and its contributors'' in the
* documentation or other materials provided with the distribution and in
* all advertising materials mentioning features or use of this software.
* Neither the name of the University nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char sccsid[] = "@(#)db_reload.c 4.21 (Berkeley) 6/1/90";
#endif /* not lint */
#include <sys/types.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <stdio.h>
#include <syslog.h>
#include <arpa/nameser.h>
#include "ns.h"
#include "db.h"
extern time_t resettime;
/*
* Flush and reload data base.
*/
db_reload()
{
extern char *bootfile;
#ifdef DEBUG
if (debug >= 3)
fprintf(ddt,"reload()\n");
#endif
syslog(LOG_NOTICE, "reloading nameserver\n");
qflush();
sqflush();
fwdtab_free();
free_sort_list();
getnetconf();
ns_init(bootfile);
time(&resettime);
}
db_free(htp)
struct hashbuf *htp;
{
register struct databuf *dp, *nextdp;
register struct namebuf *np, *nextnp;
struct namebuf **npp, **nppend;
npp = htp->h_tab;
nppend = npp + htp->h_size;
while (npp < nppend) {
for (np = *npp++; np != NULL; np = nextnp) {
if (np->n_hash != NULL)
db_free(np->n_hash);
(void) free((char *)np->n_dname);
for (dp = np->n_data; dp != NULL; ) {
nextdp = dp->d_next;
(void) free((char *)dp);
dp = nextdp;
}
nextnp = np->n_next;
free((char *)np);
}
}
(void) free((char *)htp);
}
db_inv_free()
{
register struct invbuf *ip;
register int i, j;
for (i = 0; i < INVHASHSZ; i++)
for (ip = invtab[i]; ip != NULL; ip = ip->i_next)
for (j = 0; j < INVBLKSZ; j++)
ip->i_dname[j] = NULL;
}
fwdtab_free()
{
extern struct fwdinfo *fwdtab;
struct fwdinfo *fp, *nextfp;
for (fp = fwdtab; fp != NULL; fp = nextfp) {
nextfp = fp->next;
free((char *)fp);
}
fwdtab = NULL;
}